Home

Strategi user guide

1. Feature code Description Symbol Legend FC5373 Primary Route Tunnel Single PRIMARYROAD_L FC5374 Roundabout Minor Road over 4 metres wide Unique TRANSPT_P FC5375 Roundabout Primary Route S C Unique TRANSPT_P FC5376 Roundabout A Road S C Unique TRANSPT_P FC5377 Roundabout B Road S C Unique TRANSPT_P FC5378 Multilevel Junction U C Unique TRANSPT_P FC5379 Multilevel Junction full access Unique TRANSPT_P FC5380 Gradient 1 in 7 or steeper Unique TRANSPT_P FC5381 Roundabout U C Unique TRANSPT_P FC5382 Toll Bar all roads Unique TRANSPT_P FC5384 Other Track or Road Single MINORROAD_L FC5385 Other Track or Road over Single MINORROAD_L FC5389 Multilevel junction limited access Unique TRANSPT_P FC5390 Vehicular Ferry Route Single FERRY_L FC5392 Service Station non 24 hour primary A roads only Unique TRANSPT_P FC5393 Ferry Route Link Single FERRY_L FC5397 100 km Accentuated Grid Line Single GRID_L FC5398 10 km Grid Line Single GRID_L FC5403 Dead end Road gen under 4m wide Single MINORROAD_L FC5404 Dead end Road gen under 4m wide over Single MINORROAD_L FC5405 Minor Road under 4 metres wide Single MINORROAD_L FC5406 Minor Road under 4 metres wide over Single MINORROAD_L Feature code Description Symbol Legend FC5407 Minor Road under 4 metres wide Tunnel Sing
2. Feature code Feature name Type Style Note 5211 Main River Source Line Pen 20 2 4243711 x 5212 Main River Middle Line Pen 25 2 4243711 x 5213 Main River Lower Line Pen 30 2 4243711 x River secondary Feature code Feature name Type Style Note 5221 Secondary River Source Line Pen 20 2 4243711 x 5222 Secondary River Lower Line Pen 25 2 4243711 x Other river and drains Feature code Feature name Type Style Note 5230 Minor River Line Pen 20 2 4243711 x Canal Feature code Feature name Type Style Note 5240 Canal Line Pen 15 2 65535 x 5242 Canal over other feature Line Pen 17 2 65535 x 5241 Canal Tunnel Line Pen 15 10 65535 x 5243 Canal Tunnel end symbol Font Symbol Symbol 36 255 8 MapInfo Transportation 0 180 x oS Inland water lake reservoir loch pond shoreline and so on Feature code Feature name Type Style Note 5250 Lake other inland water outer limit Line Pen 1 2 255 x 5490 Lake other inland water inner limit Line Pen 1 2 255 x 5251 Lake other inland water seed Symbol Symbol 49 4227327 12 x 5250 Lake other inland water polygon Polygon Pen 12 2 65535 Brush 2 11593215 16777215 e Lighthouse Feature code Feature name Type Style Note 5140 Lighthouse in use Font Symbol Symbol 113 128 14 MapInfo Transportation 0 0 x 5142 Lighthouse disused Font Symbol Symbol
3. A roads Feature code Feature name Type Style Note 5330 Road Dual Carriageway Line Pen 30 194 16711680 x 5332 A Road Dual C way over other feature Line Pen 30 194 16711680 x 5306 A Road Dual C way under construction Line Pen 25 4 16711680 x 5307 A Road Dual C way under const over Line Pen 25 4 16711680 x 5331 A Road Dual Carriageway planned Line Pen 25 5 1671 1680 x 5356 Roundabout A Road Dual Carriageway Symbol Symbol 34 16711680 6 x 5333 A Road Single Carriageway Line Pen 25 2 16711680 x 5335 A Road Single C way over other feature Line Pen 25 2 16711680 x 5308 A Road Single C way under construction Line Pen 20 9 16711680 x 5309 A Road Single C way under const over Line Pen 20 9 16711680 x 5334 A Road Single Carriageway planned Line Pen 20 11 16711680 x 5376 Roundabout A Road Single Carriageway Symbol Symbol 34 16711680 6 x 5336 A Road Narrow Line Pen 20 3 16711680 x 5337 A Road Narrow over other feature Line Pen 20 3 16711680 x 5358 A Road tunnel Line Pen 25 10 16711680 x B roads Feature code Feature name Type Style Note 5340 B Road Dual Carriageway Line Pen 30 194 16750640 x 5342 B Road Dual C way over other feature Line Pen 30 194 16750640 x 5357 Roundabout B Road Dual Carriageway Symbol Symbol 34 16750640 6 x 5343 B Road Single Carriagewa
4. Figure 3 1 Standard Ordnance Survey text positions position 9 represents no data 5 8 I 271 Sed d I I sa ES I ROUES de gt 4 or l y y too S VN E Fe re 1 i AA A NV 7 1 f I SES 1 y 1 ol l l 1 1 l I I 4 gt 1 l y 7 IN Y oa YU e A OY Se 1 1 S a 1 s O 1 PA a y ARA Sa Names are normally placed on the printed map parallel to the horizontal grid However names of linear features are orientated to appear parallel to them for example rivers DXE The text string may start end or be centred on this coordinate pair the relationship of the text to its coordinate pair is expressed as an original digitised position When the positions of text features are recorded one of these positions is digitised Position 0 is supplied Chapter 4 Quality statement Source of Strategi Currency Strategi data has been digitised from Ordnance Survey s published mapping at 1 250 000 scale Originally the data was derived from the Routemaster series of mapping Routemaster was subsequently superseded by Travelmaster and the Road Map series Ordnance Survey s current 1 250 000 scale printed map series There has also been some reference where necessary to Ordnance Survey s Landranger 1 50 000 scale map series Strategi updates are released annually Each update is a replacement dataset for all Strategi data held The updates represent Stra
5. defines data classifications Section Header Record coordinate and structure types unit scale factors and so on Attribute Record defines the attributes for line and point records Point Record identifies the definition of node points Node Record defines the topological relationship between links and nodes Two dimensional Geometry Record defines the two dimensional geometry for a link or node Line Record identifies the definition of a link Attribute Description Record defines attribute descriptions and their fields Text Record identifies the Text Position Record and Attribute Record Text Position Record identifies the Text Representation Record and Geometry Record Text Representation Record defines the font text height and digitised position Volume Terminator Record defines the end of the transfer set Record structures for the transfer of Strategi in NTF Record name VOLHDREC DBHREC FEATCLASS SECHREC ATTREC POINTREC NODEREC GEOMETRY1 LINEREC ATTDESC TEXTREC TEXTPOS TEXTREP VOLTERM Volume Header Record VOLHDREC 01 Field Position Format Value example REC_DESC 01 02 A2 01 DONOR 03 22 A20 ORDNANCE SURVEY lt 5S gt RECIPIENT 23 42 A20 lt 20S gt TRANDATE 43 50 DATE yyyymmdd SERIAL 51 54 14 0000 VOLNUM 55 56 12 NTFLEVEL 57 57 11 3 NTFVER 58 61 R4 2 0200 NTFOR 62 62 A1 V EOR 63 63 A1 lt S gt DIVIDER 64 64 A1 CONT_MARK 65 65 11 0 EOR 66 66
6. ENDTAB LINETYPE GROUP DEFINITIONS Figure 9 5 The linetype table will contain definitions for the following line types e solid line CONTINUOUS e dashed line DASHED e dash dot line DASH DOT Figure 9 5 Level 4 Key one or more LINETYPE o optional DEFINITIONS LTYPE LINETYPE STANDARD LINETYPE GROUP NAME FLAGS DESCRIPTIVE GROUP GROUP TEXT GROUP o NUMBER OF TOTAL DASH LENGTH ALIGNMENT DASH ITEMS PATTERN GROUP SRE GROUP LENGTH GROUP Thus 0 TABLE 2 LTYPE 70 5 0 LTYPE 2 CONTINUOUS 70 64 3 Solid Line 72 65 73 0 40 0 0 0 LTYPE 2 DASHED 70 64 0 75 49 0 5 49 0 25 0 LTYPE 2 DASHDOT 70 40 1 0 49 0 5 49 0 25 49 0 0 49 0 25 0 ENDTAB Figure 9 6 Level 3 Key o optional ENDTAB GROUP ENDTAB GROUP Details of the layer table can be seen in chapter 8 Figure 9 7 Level 4 Key one or more LAYER DEFINITIONS STANDARD FLAGS GROUP COLOUR NUMBER GROUP LINETYPE NAME GROUP LAYER NAME GROUP Figure 9 8 Style table level 3 Key one or more o optional Swie ENDTAB DEFINTIONS GROUP The style table will contain the text file load instructions for e SIMPLEX SHX MONOTEXT SHX Figure 9 9 Level 4 Key i am or more STYLE DEFINITIONS STANDARD FIXED TEXT STYLE GROUP FLAGS HEIGHT GROUP GROUP
7. OBLIQUE TEXT LAST FONT FILE BIG FONT ANGLE GEN FLAGS HEIGHT USED NAME FILE GROUP GROUP GROUP GROUP GROUP Blocks Figure 9 10 Level 2 Key o one or more BLOCKS O optional SECTION SECTION START ENDSEC GROUP Figure 9 11 SECTION GROUP BLOCKS GROUP Figure 9 11 Level 3 Key one or more BLOCK BLOCK LAYER BLOCK GROUP GROUP NAME BLOCK BASE TEXT Z ENTITIES GROUP GROUP Entities section The entities section will contain DXF entities for Ordnance Survey map footnotes data INSERT entities grid and neatline TEXT and LINE entities Ordnance Survey features TEXT POLYLINE and INSERT entities and extended entity data to store attributes The structure of each different entity is as follows a INSERT entities these consist of INSERT entity type group Layer name group Block name group X coordinate group Y coordinate group Z coordinate group X scale factor Y scale factor Z scale factor Rotation angle LINE entity type group Layer name group Start X coordinate group Start Y coordinate group Start Z coordinate group End X coordinate group End Y coordinate group e 0 0 0 End Z coordinate group oS LINE entities these consist of attribute number 0 8 2 10 20 30 N LAA Re RA AA ASS 41 42 43 50 optional optional optional optio
8. Would appear as 14000001FC5810DE00000000FMWATLING STREET 0 Other examples of use of ATTREC for line features 14000002FC5310DE19952611NUM27 0 This indicates ATT_ID 2 feature code 5310 Motorway with road number M27 14000003FC5825DE00000000FMDORSET COAST PATH 0 This indicates ATT_ID 3 feature code 5825 Long distance footpath named Dorset Coast Path Text record example Field Position Format Value example Description REC_DESC 01 02 A2 14 ATT_ID 03 08 16 000001 First attribute Feature code Field Position Format Value example Description VAL_TYPE 09 10 A2 FC Feature code VALUE 11 14 14 5040 Positioned name Second attribute Date Field Position Format Value example Description VAL_TYPE 15 16 A2 DE Date VALUE 17 24 DATE YYYYMMDD Date of last change oS Third attribute Independent text Field VAL_TYPE VALUE DIVIDER CONT_MARK EOR Record example Position 25 26 27 38 39 39 40 40 41 41 Format A2 A12 A1 11 A1 Value example TX CUDDER POINT 0 14000001FC5040DE19991118TXCUDDER POINT 0 Description Independent text No continuation record Record terminator 1 2 3 4 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Point Record POINTREC 15 Field Position Format Value example Description REC_DESC 01 02 A2 15 POINT_ID 03 08 16 000488 Sequential n
9. 68 128 12 MapInfo Miscellaneous 0 0 x 5871 Preserved Railway Font Symbol Symbol 130 128 12 MapInfo Miscellaneous 0 0 x 5885 Racecourse Font Symbol Symbol 131 128 14 MapInfo Miscellaneous 0 0 x 5884 Ski Slope Font Symbol Symbol 80 128 14 MapInfo Miscellaneous 0 0 x 5849 Motoring Organisation Telephone Font Symbol Symbol 116 8388608 12 MapInfo Transportation 0 0 x 5847 Public Telephone Font Symbol Symbol 116 128 12 MapInfo Transportation 0 0 x 5851 Theme Park open to the public Font Symbol Symbol 40 128 12 MapInfo Real Estate 0 0 x 5866 Tourist Info Centre open all year Font Symbol Symbol 47 128 12 MapInfo Transportation 0 0 x 5889 Tourist Info Centre seasonal Font Symbol Symbol 46 128 12 MapInfo Transportation 0 0 x 5882 Viewpoint 360 degrees Font Symbol Symbol 134 128 14 Maplnfo Miscellaneous 0 0 x 5881 Viewpoint Limited Font Symbol Symbol 135 128 14 Maplnfo Miscellaneous 0 180 xX 5874 Wildlife Centre open to the public Font Symbol Symbol 79 128 12 Maplnfo Miscellaneous 0 0 x 5868 Youth Hostel Font Symbol Symbol 64 128 12 MapInfo Real Estate 0 0 x 5870 Zoo open to the public Font Symbol Symbol 137 128 12 Maplnfo Miscellaneous 0 0 x Height Feature code Feature names Type Style Note 5901 Spot Height dots Point o 7 Miscellaneous Feature code Feature names Type Style Note 5397 100 km Accentuated Grid
10. 7 8 9 Feature code 5840 5841 Feature name Airport without customs facilities Airport with permanent customs facilities where no prior notification is necessary Wind powered generator Windmill Heliport Public telephone Motoring organisation telephone Theme park open to the public Abbey cathedral priory open to the public Camp site Caravan site Golf course Museum open to the public Picnic site Tourist information centre open all year Country park open to the public Youth hostel Nature or forest trail Zoo open to the public Preserved railway Craft centre open to the public Wildlife centre open to the public Aquarium open to the public Cave open to the public Castle open to the public Historic house open to the public Motor racing circuit NTF abbreviated feature name Airport without customs facilities Airport with Perm customs facilities Wind Powered Generator Windmill Heliport Public Telephone Motoring Organisation Telephone Theme Park open to the public Abbey Cath Priory open to the public Camp Site Caravan Site Golf Course Museum open to the public Picnic Site Tourist Info Centre open all year Country Park open to the public Youth Hostel Nature Or Forest Trail Zoo open to the public Preserved Railway Craft Centre open to the public Wildlife Centre open to the public Aquarium open to the public Cave open to the public Cast
11. DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU Value Feature code 5334 5335 Feature name A road single carriageway planned A road single carriageway over A road narrow A road narrow over B road dual carriageway B road dual carriageway over B road single carriageway B road single carriageway over B road narrow B road narrow over Minor road over 4 m wide Minor road over 4 m wide over Minor road over 4 metres wide tunnel Roundabout primary route dual carriageway Roundabout A road dual carriageway Roundabout B road dual carriageway A road tunnel B road tunnel Service station full access 24 hour NTF abbreviated feature name A Road S C Planned A Road S C over A Road Narrow A Road Narrow over B Road D C B Road D C over B Road S C B Road S C over B Road Narrow B Road Narrow over Minor Road over 4 m Wide Minor Road over 4 m Wide over Minor Road over 4 metres wide Tunnel Roundabout Primary Route D C Roundabout A Road D C Roundabout B Road D C A Road Tunnel B Road Tunnel Service Station Full Access 24 hour Graphic type Line Line Line Line Line Line Line Line Line Line Line Line Line Point Point Point Line Line Point NTF attribute DE NU DE NU DE NU DE NU Value Feature code 5361 5370 5371 5372 5373 5374 5375 5376 5377
12. DXF Data Exchange Format A proprietary data format devised by Autodesk Ltd by which digital drawings may be transferred between users of CAD systems DXF has become an industry standard data format and is an option for the transfer of Ordnance Survey Land Line eastings See rectangular coordinates EBCDIC extended binary coded decimal interchange code An 8 bit character encoding scheme edgematch The process of ensuring that data along the adjacent edges of map sheets or some other unit of storage matches in both positional and attribute terms edit The process of validating and correcting errors in digital map data See also update entity Something about which data is stored in a databank or database for example building or tree The data may consist of relationships attributes positional and shape information and so on Often synonymous with feature extent of the realm EOR The external bounding lines of Land Line data is the extent of the realm The Territorial Waters Jurisdiction Act 1878 and the Territorial Waters Order in Council 1964 confirm that the extent of the realm of Great Britain as used by Ordnance Survey is properly shown to the limit of mean low water mean low water springs in Scotland for the time being except where extended by parliament feature An item of detail within a digital map that can be represented by a point symbol text or line feature classification record A specific named NTF
13. NTF attribute GS FM OW DE GS DE OR GS DE GS FM OW DE GS DE GS FM DE GS FM OW DE DE HI HM DE GS Certain conventions are adopted as an aid to interpretation In some cases the convention is dropped where the context is self evident Square brackets are placed around record names for example VOLHDREC A pair of braces denote field names for example REC_DESC is the Record Descriptor Field 190 A two digit number following square brackets denotes the Record Descriptor which uniquely identifies the record name between the brackets lt S gt lt 3S gt This is the space character ASCII code 32 This denotes three successive space characters The percentage character ASCII code 37 Jackson structure Data supplied in this format has variable length records An overview of the data format of a Strategi file in NTF is shown in the adjacent two diagrams The convention used for diagramming data files is the industry standard adopted for Jackson Structured Programming JSP The diagrams are examples of Strategi files and no fixed record sequence or relationship is implied one or more selection WOLHOREC 01 DBHREC 02 ATTDESC 40 TRANSFER SET VOLUME DATABASE FESTCLASS 05 WOLTER M 94 POINT FEATURES POINT FEATURE LINE FEATURES LINE FEATURE MODE FEATURES NODE FEA
14. Secondary Middle Single RIVER _L FC5230 River Other and Drains Single RIVER_L FC5240 Canal Single RIVER_L FC5241 Canal Tunnel Single RIVER_L FC5242 Canal Over Single RIVER_L FC5243 Canal Tunnel end symbol Single RIVER_P FC5250 Inland Water outer limit Single LAKES_A FC5251 Inland Water Seed Single LAKES_P FC5300 Motorway U C Single MOTORWAY_L FC5301 Motorway U C over Single MOTORWAY_L FC5302 Primary Route D C U C Single PRIMARYROAD_L FC5303 Primary Route D C U C over Single PRIMARYROAD_L FC5304 Primary Route S C U C Single PRIMARYROAD_L FC5305 Primary Route S C U C over Single PRIMARYROAD_L Feature code Description Symbol Legend FC5306 A Road D C U C Single AROAD_L FC5307 Road D C U C over Single AROAD_L FC5308 A Road S C U C Single AROAD_L FC5309 A Road S C U C over Single AROAD_L FC5310 Motorway Single MOTORWAY_L FC5311 Motorway Planned Single MOTORWAY_L FC5312 Motorway over Single MOTORWAY_L FC5313 Motorway Tunnel Single MOTORWAY_L FC5314 Road Tunnel end symbol Unique TRANSPT_P FC5320 Primary Route D C Single PRIMARYROAD_L FC5321 Primary Route D C Planned Single PRIMARYROAD_L FC5322 Primary Route D C over Single PRIMARYROAD_L FC5323 Primary Route S C Single PRIMARYROAD_L FC5324 Primary Route S C Planned Single PRIMARYROAD_L FC5325 Primary Route S C over Single PRIMARYROAD_L FC
15. There may be many nodes connecting the bounding links of a polygon Links may be shared between polygons Polygons may wholly contain other polygons or be contained within other polygons Each may contain a single isolated node seed point that identifies the polygon polygon boundary The link or links that enclose a polygon projected into the horizontal plane polygon point See representative point polygon seed See seed positional accuracy The degree to which the coordinates define a point s true position in the world directly related to the spheroid and or projection on which the coordinates system is based precision The exactness with which a value is expressed whether the value be right or wrong record A set of related data fields grouped for processing recording format The logical and or physical levels of the protocol governing the laying down of data on the physical transfer medium rectangular coordinates Also known as x y coordinates and as eastings and northings These are two dimensional coordinates that measure the position of any point relative to an arbitrary origin on a plane surface for example a map projection a digitising table or a VDU screen relative accuracy Relative accuracy compares the distance between features measured on the ground to the corresponding information contained in the map data When measuring between data points represented on the map it is worth noting that some distortion
16. Toll graphic text Ferry annotation graphic text NonTextprimary route village graphic text Primary route destination town graphic text Motorway junction number full access graphic text Motorway junction number limited access graphic text Tourist feature graphic text National trail long distance path and route graphic text National park forest park graphic text Primary route destination village graphic text Geographic area graphic text Large hills ranges and summits graphic text NTF abbreviated feature name NPR Destination Town Graphic Text Other Graphic Text Water Feature Graphic Text PRD City Graphic Text NPR Destination City Graphic Text Motorway Number Graphic Text Primary Route Number Graphic Text Road Number Graphic Text B Road Number Graphic Text Road Distance Mileage Motorway Graphic Text Road Distance Primary amp A Graphic Text Toll Graphic Text Ferry Annotation Graphic Text NPR Village Graphic Text PRD Town Graphic Text Motorway Junc No Full Access Graphic Text Motorway Junc No Ltd Access Graphic Text Tourist Feature Graphic Text Long Distance Footpath Graphic Text National Park Forest Park Graphic Text PRD Village Graphic Text Geographic Area Graphic Text Large Hills and Ranges Graphic Text Graphic type Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text NTF attribu
17. Tourist feature graphic text National trail long distance path and route graphic text National park forest park graphic text Primary route destination village graphic text Geographic area graphic text Large hills ranges and summits graphic text Named hills islands and rocks graphic text Roman antiquity graphic text AD43 AD420 Non Roman antiquities graphic text Spot Height value graphic text Road distance marker primary and A Road distance marker motorway Dual junction graphic text divider line Coastline and offshore rocks above mean high water Sea seed below mean high water Foreshore sand outer limit Foreshore sand seed Foreshore other and offshore rocks exposed at mean low water outer limit Ordnance Survey Linetype STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS POLYLINE CYAN Entity TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT INSERT INSERT INSERT POLYLINE INSERT POLYLINE INSERT Colour BLUE WHITE WHITE GREEN GREEN GREEN WHITE WHITE WHITE WHITE WHITE WHITE GREEN BLUE WHITE BLUE BLUE YELLOW YELLOW o R_MARK M_MARK DUTXDIVL SEEDPOINT SEEDPOINT T Strategi user guide chapter 8 v6 0 3 2003 crown copyright A me Page 100 c
18. 114 128 14 MapInfo Transportation 0 0 x Lightship Feature code Feature name Type Style Note 5141 Lightship Font Symbol Symbol 106 128 12 MapInfo Transportation 0 0 x 3 Settlements Settlement attribute points Feature code Feature name Type Style Note 5427 City Attribute Point Symbol Symbol 32 16776960 9 x 5413 Town Attribute Point Symbol Symbol 32 16776960 8 x 5416 Village Attribute Point Symbol Symbol 32 16776960 6 x 5419 Landmark Attribute Point Font Symbol Symbol 112 128 8 MapInfo Cartographic 0 0 x Urban area Feature code Feature name Type Style Note 5420 Large Urban Area outer limit Line Pen 1 2 0 x 5492 Large urban area inner limit Line Pen 1 2 0 x 5421 Large Urban Area seed Symbol Symbol 49 16711680 12 xX 5420 Large Urban Area polygon Polygon Pen 1 1 0 Brush 2 16762032 16777215 e 5422 Small Urban Area outer limit Line Pen 1 2 0 x 5493 Small urban area inner limit Line Pen 1 2 0 x 5423 Small Urban Area seed Symbol Symbol 49 16711680 12 x 5422 Small Urban Area polygon Polygon Pen 1 1 8421504 Brush 2 16762032 16777215 e 4 Boundaries Feature code Feature name Type Style Note 5710 National Boundary Line Pen 25 23 0 x 5715 National Primary Attribute Point Font Symbol Symbol 52 0 6 Mapinfo
19. 4AL Phone 020 8996 9000 Fax 020 8996 7400 Any queries relating to the Strategi product should be referred to our Sales Information Helpdesk at the address shown at the beginning of this user guide The following pages give a detailed breakdown of the data structure of Strategi in NTF This is a two stage procedure that consists of e detailed listings of feature codes descriptions and attributes and e descriptions of the data record structure Attribute codes for Strategi Attributes which are used in the supply of Strategi are Abbreviation CM DE DN FE FF FI FM FP FR FT GS HI HM LO NU OR OW RB RJ RL RM RQ RU RW RZ TX UE UN ofS Description County name Date District name Ferry access Ferry from Ferry time Feature name Ferry type Ferry restrictions Ferry to GIS Height imperial Height metric Location Numbered feature Orientation Owner Point bounded Restriction north Restriction south Restriction east Restriction west Point unbounded Restriction clockwise Restriction anticlockwise Text Usage Unitary name Explanation and examples Administrative area county name for example KENT COUNTY The date of the last amendment for example 20001128 Administrative area district name for example THANET DISTRICT Shows method of vehicular access to ferry for example roll on roll off Shows ferry departure location Shows normal crossing time Feat
20. 5378 5379 5380 5381 5382 5384 5385 Feature name Service station limited access Motorway junction full access Motorway junction limited access Motorway junction under construction Primary route tunnel Roundabout minor road over 4 metres wide Roundabout primary route single carriageway Roundabout A road single carriageway Roundabout B road single carriageway Multilevel junction under construction Multilevel junction full access Gradient 1 in 7 14 or steeper on primary A and B roads Roundabout under construction Toll bar Other track or road Other track or road over NTF abbreviated feature name Service Station Limited Access 24 hour Motorway Junction Full Access Motorway Junction Limited Access Motorway Junction U C Primary Route Tunnel Roundabout Minor Road over 4 m Wide Roundabout Primary Route S C Roundabout A Road S C Roundabout B Road S C Multi Level Junction U C Multi Level Junction Full Access Gradient 1 In 7 Or Steeper Roundabout U C Toll Bar Other Track or Road Other Track or Road over Graphic type Point Point Point Point Line Point Point Point Point Point Point Point Point Point Line Line NTF attribute GS DE NU GS RJ RM RL RQ RW RZ DE NU GS DE NU DE NU DE DE DE DE GS DE GS NU DE GS DE OR DE DE OR DE DE Value AN 250 Feature
21. ATT_ID 17 22 16 005369 Sequential number of attached ATTREC record starting at 000001 If the line feature has no associated ATTREC then ATT_ID is set to 000000 CONT_MARK 23 23 11 0 No continuation record EOR 24 24 Al Record terminator Record example 23004804005369010053690 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Attribute Description Record ATTDESC 40 Field Position Format Value example Description REC_DESC 01 02 A2 40 VAL_TYPE 03 04 A2 See table on following page FWIDTH 05 07 A3 See table on following page FINTER 08 12 A5 See table on following page ATT_NAME 132 A See table on following page DIVIDER bid A1 FDESC 3 A See table on following page DIVIDER T A1 CONT_MARK ae 11 0 No continuation record EOR Al Record terminator variable integer Record example 40NU A NUMBERED FEATURE ROAD ROAD JUNCTION NUMBERS 0 1 2 3 4 5 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Valid contents of ATTDESC for Strategi 40DE00818 DATE DATE 0 40L000111 LOCATION LOCATION 0 40UE00111 USAGE USAGE 0 AOHIOOATA HEIGHT_IMPERIAL HEIGHT IMPERIAL 0O 40HM00414 HEIGHT_METRIC HEIGHT METRIC 0 400R004R4 1 ORIENTATION ORIENTATION 0 40FC004A4 FEATURE CODE NUMERIC FEATURE CODE 0 40NU A NUMBERED FEATURE ROAD ROAD JUNCTION
22. CONTINUOUS DASH DOT Entity INSERT POLYLINE INSERT POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE INSERT INSERT INSERT INSERT POLYLINE INSERT POLYLINE INSERT INSERT POLYLINE POLYLINE Colour WHITE WHITE WHITE WHITE BLACK BLACK WHITE WHITE WHITE WHITE WHITE WHITE GREEN WHITE WHITE GREY GREY GREY GREY WHITE CYAN GREEN me Block MULT_LA SERV_N24 RBOUT SEEDPOINT SEEDPOINT SEEDPOINT DLUASEED DLUASEED SEEDPOINT Strategi user guide chapter 8 v6 0 3 2003 crown copyright Page 105 Feature code G8065492 G8065493 G8065494 G8065495 G8065510 G8065511 G8065512 G8065513 G8065514 G8065515 G8065519 G8065520 G8065521 G8065522 G8065523 G8065524 G8065525 G8065530 G8065531 G8065610 Feature name Large urban area inner limit Small urban area inner limit Foreshore sand inner limit Foreshore other and offshore rocks exposed at mean low water inner limit Railway standard gauge Railway standard gauge over Railway narrow gauge Railway narrow gauge over Railway tunnel Railway tunnel end symbol Railway line under construction Railway station Rapid transit station Rapid transit line Rapid transit line over Rapid transit tunnel Rapid transit line U C Level crossing on classified road Level crossing on unclassified road Wood forest outer limit Ordnance Survey Linetype C
23. NUMBERS 0 A0RB001A1 BOUNDED REPRESENTATION POINT POINT SEEDING BOUNDED FEATURES 0 40RU001A1 UNBOUNDED REPRESENTATION POINT POINT SEEDING UNBOUNDED FEATURES 0 40TX A TEXT INDEPENDENT TEXT 0 40GS A GIS GIS 0 40FM A FEAT_NAM FEATURE NAME 0 400W A OWNER OWNER 0 40CM A COUNTY_NAME COUNTY NAME 0 40UN A UNITARY_NAME UNITARY AUTHORITY NAME 0 40DN A DISTRICT_NAME DISTRICT NAME 0 40RJ A RESTRICT_NORTH RESTRICTIONS NORTH 0 40RM A RESTRICT_EAST RESTRICTIONS EAST 0 40RL A RESTRICT_SOUTH RESTRICTIONS SOUTH 0 40RQ A RESTRICT_WEST RESTRICTIONS WEST 0 40RW A RESTRICT_CLOCK RESTRICTIONS CLOCK 0 40RZ A RESTRICT_ANTICLOCK RESTRICTIONS ANTICLOCK 0 40FE A FERRY_ACCESS FERRY ACCESS 0 40FR A FERRY_RESTRICT FERRY RESTRICTIONS 0 40FP A FERRY_TYPE FERRY TYPE 0 40FF A FERRY_FROM FERRY FROM 0 40FT A FERRY_TO FERRY TO 0 40FI A FERRY_TIME FERRY TIME 0 Text Record TEXTREC 43 Field Position Format Value example Description REC_DESC 01 02 A2 43 TEXT_ID 03 08 16 000003 Sequential number of TEXTREC starting at 000001 NUM_SEL 09 10 12 01 SELECT 11 12 A2 00 TEXT_CODE 13 16 A4 0000 TEXP_ID 17 22 16 000003 Sequential number of TEXTPOS starting at 000001 NUM_ATT 23 24 12 01 ATT_ID 25 30 16 000267 Next sequential number of ATTREC CONT_MARK 31 31 11 0 No continuation record EOR 32 32 Al Record terminator Record example 4300000301000000000003010002670 1 2 3 4 5 6 7 8 12345
24. Park open to the public Font Symbol Symbol 64 128 12 MapInfo Miscellaneous 0 0 x 5873 Craft Centre open to the public Font Symbol Symbol 35 128 12 MapInfo Real Estate 0 0 x 5890 Ferry Box Outline Font Symbol Pen 15 2 128 x 5887 Ferry Boat Font Symbol Symbol 107 128 14 MapInfo Transportation 0 0 x 5892 Ferry Catamaran Font Symbol Symbol 101 128 14 MapInfo Transportation 0 0 x 5888 Ferry Hovercraft Font Symbol Symbol 108 128 14 MapInfo Transportation 0 0 x 5886 Garden open to the public Font Symbol Symbol 124 128 12 Maplnfo Miscellaneous 0 0 x 5863 Golf Course Font Symbol Symbol 33 128 18 MapInfo Miscellaneous 1 0 x 5878 Historic House open to the public Font Symbol Symbol 36 128 10 MapInfo Real Estate 0 0 x 5879 Motor Racing Circuit Font Symbol Symbol 125 128 12 MapInfo Miscellaneous 0 0 x 5864 Museum open to the public Font Symbol Symbol 119 128 12 Maplnfo Miscellaneous 0 0 x 5869 Nature or Forest Trail Font Symbol Symbol 59 128 12 MapInfo Miscellaneous 0 0 x 5880 Nature Reserve Font Symbol Symbol 136 128 12 MapInfo Miscellaneous 0 0 x Feature code Feature name Type Style Note 5883 Other Tourist Attract open to the public Font Symbol Symbol 117 128 12 Maplnfo Miscellaneous 0 0 x 5806 Park and Ride Font Symbol Symbol 80 128 12 MapInfo Transportation 0 0 x 5865 Picnic Site Font Symbol Symbol
25. RED RED RED RED BLUE BLUE BLUE WHITE WHITE GREEN GREEN GREEN GREEN GREEN GREEN GREEN Strategi user guide v6 0 3 2003 O crown Aa aa chapter 8 copyright Page 102 Feature code G8065327 G8065330 G8065331 G8065332 G8065333 G8065334 G8065335 G8065336 G8065337 G8065340 G8065342 G8065343 G8065345 G8065346 G8065347 G8065350 G8065351 G8065353 G8065355 G8065356 Feature name Primary route narrow over A road dual carriageway A road dual carriageway planned A road dual carriageway over A road single carriageway A road single carriageway planned A road single carriageway over A road narrow A road narrow over B road dual carriageway B road dual carriageway over B road single carriageway B road single carriageway over B road narrow B road narrow over Minor road over 4 metres wide Minor road over 4 metres wide over Minor road over 4 metres wide tunnel Roundabout primary route dual carriageway Roundabout A road dual carriageway Ordnance Survey Linetype CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS Entity POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POL
26. RW RZ DE GS FE FR FP FF FT Fl DE GS NU UE LO DE OR GS FE FR FP FF FT Fl DE DE DE DE DE FM DE DE FM CM or UN DE LO FM DE CM or UN LO FM CM or UN DE DE DE RB DE DE RB Value Feature Graphic Feature name NTF abbreviated feature name NTF attribute Value code type 5427 City attribute point City Attribute Point Point FM DE CM or UN LO 4 5 5490 Inland water inner limit Inland Water inner limit Line DE 5491 Wood forest inner limit Wood Forest inner limit Line DE 5492 Large urban area inner limit Large Urban Area inner limit Line DE 5493 Small urban area inner limit Small Urban Area inner limit Line DE 5494 Foreshore sand inner limit Foreshore Sand inner limit Line DE 5495 Foreshore other and offshore rocks Foreshore Other inner limit Line DE exposed at mean low water inner limit 5510 Railway standard gauge Railway Standard Gauge Line DE 5511 Railway standard gauge over Railway Standard Gauge over Line DE 5512 Railway narrow gauge Railway Narrow Gauge Line DE 5513 Railway narrow gauge over Railway Narrow Gauge over Line DE 5514 Railway tunnel Railway Tunnel Line DE 5515 Railway tunnel end symbol Railway Tunnel end symbol Point DE OR 5519 Railway standard gauge under Railway Standard Gauge U C Line DE construction 5520 Railway station Railway Station Line GS FM DE 5521 Rapid transit station Rapid T
27. Text Mway Junc No Full Access Text Font Arial 257 5 16777215 255 x 5043 Graphic Text Mway Junc No Ltd Access Text Font Arial 257 5 16777215 255 x Toll Feature code Feature names Type Style Note 5038 Graphic Text Toll Text Font Arial 2 5 0 1 xX Road distance mileage Feature code Feature names Type Style Note 5036 Graphic Text Road Distance Motorway Text Font Arial 3 5 8388736 1 x 5037 Graphic Text Road Distance Primary and A Text Font Arial 258 5 83887 36 16777215 x oS Road distance marker Feature code Feature names Type Style Note 5108 Road Distance Marker Motorway Font Symbol Symbol 33 8388736 18 Maplnfo Miscellaneous 1 0 x 5107 Road Distance Marker Primary and A Font Symbol Symbol 33 8388736 14 MapInfo Miscellaneous 0 0 x Geographical area names Feature code Feature names Type Style Note 5060 Graphic Text Geographical Area Text Font Times New Roman 1027 5 8388608 1 x Large hills ranges and summits Feature code Feature names Type Style Note 5061 Graphic Text Large Hills and Ranges Text Font Times New Roman 3 6 0 1 x Named hills islands and rocks Feature code Feature names Type Style Note 5062 Graphic Text Hills Islands and Rocks Text Font Times New Roman 2 5 0 1 x Other text Feature code Feature names Type Style Note 5016 Graphic Text Other Text Font Times New Roman 0 5 8388608 1
28. The coordinate system is National Grid NG The NG coordinates are to a resolution of 0 01 metre This is the resolution of the source data Layer names MapInfo supports long filenames This allows you to use up to 260 characters when naming your file In addition any one name within your directory path can be up to 255 characters You can insert spaces in the filename and long filenames can have more than one in them When using more than one you must remember to type in the file extension in order to save the file correctly For example you can name a table as follows spam for lunch today and every day dbf Layer names were created and set when the original NTF data was translated number of layers 26 The Strategi Import Parameters in the translator highlights a feature code and allocates it to a layer The logic behind which layer feature codes are allocated is due to the relationship of features Neatline No neatline Grid No grid Grid values No grid values Important information Certain feature codes that are used and defined in NTF are not required or used in MapInfo Some examples of this are 5494 Foreshore sand inner limit 5250 Lake other inland water outer limit Other feature codes that are not used 5120 5121 5495 5122 5123 5490 5251 5492 5421 5420 5493 5423 5422 5491 5611 and 5610 See appendix D which provides details of feature codes Chapter 11 An
29. a change of product version specification NTF version The current version is NTF v2 0 Level 3 and will be supplied until further notice The NTF version is indicated by the NTFVER field of the Volume Header Record VOLHDREC The effective date of the definition of NTF v2 0 in Strategi is 15 May 1992 and is indicated by the DDATE field of the Database Header Record DBHREC Information relevant to NTF Coordinates Coordinate values and the number of coordinate pairs in a feature are transferred in the Two dimensional Geometry Record GEOMETRY1 All coordinates within the data are expressed as strings of seven numeric characters Leading zeros are present to complete the seven characters All coordinates are full National Grid coordinates measured from the absolute origin 0 0 Bearings Bearings are transferred in the ORIENT field of the Node Record NODEREC Bearings are National Grid bearings in degrees measured clockwise from grid north The start of line bearing indicated by a value of 1 in the DIR field of the Node Record NODEREC is the bearing of the first segment of the line The direction is from the start of the line to the next pair of coordinates or if there are only two coordinate pairs from the start to the end of the line The end of line bearing indicated by a 2 in the DIR field is the bearing of the last segment of the line The direction is from the end of the feature to the last minus one
30. and service performance report form Ordnance Survey welcomes feedback from its customers about Strategi If you would like to share your thoughts with us please print a copy and when completed post it to the address below NOU MANNMEG om PRONE reant mides eiaeia a t Organisation viral E E E EAEE ANTEE OR ae re de ee ACCESS ae eat ta ra ea Te da a its A en te on A tt tan FPOSICOGE PE TE ara a a EE EEE Ea E Please record your comments or feedback in the space below We will acknowledge receipt of your form within 3 working days and provide you with a full reply or a status report within 21 working days If you are posting this form please send it to Digital Information Team Room C454 Ordnance Survey Romsey Road SOUTHAMPTON S016 4GU oS Appendix D Strategi MapInfo Mid Mif layers This section contains a list of all the valid features used within Strategi The list contains a description of each feature code feature name feature type and a list of the style information required to create an output Each feature layer then contains other information as attributes Important information Certain feature codes that are used and defined in NTF are not required or used in MapInfo Some examples of this are 5494 Foreshore sand inner limit 5250 Lake other inland water outer limit Other feature codes that are not used 5120 5121 5495 5122 5123 5490 5251 5492 5421 5420 5493 5423 5422 549
31. authority name Feature code Feature names Type Style Note 5741 Graphic Text Unitary Name Text Font Arial 1026 7 32896 1 x District name Feature code Feature names Type Style Note 5731 Graphic Text District Name Text Font Arial 1026 7 32896 1 x Other codes Miscellaneous Feature code Feature names Type Style Note 5200 Unspecified Node Font Symbol Symbol 50 8421504 6 MapInfo Symbols 0 0 x Note column Meaning o Feature codes in NTF data but no translation into Maplnfo at present x Feature code in NTF translated into MapInfo e Extra Feature codes created in MapInfo oS
32. centre open all year tourist information centre seasonal viewpoint 360 viewpoint limited wildlife centre open to the public youth hostel zoo open to the public Height spot height dots Miscellaneous Feature description 100 km accentuated grid line 10 km grid line Dual junction driver line Road distance marker motorway Road distance marker primary and A road Feature code Feature code 5397 5398 5109 5108 5107 Text Note Font styles apply only to NTF text for DXF is STANDARD Feature description Feature code Font Primary route destination city 5025 Helvetica Narrow Bold town 5041 Helvetica Narrow Bold village 5049 Helvetica Narrow Bold Non primary route destination city 5026 Helvetica Narrow Bold town 5006 Helvetica Narrow Bold village 5040 Helvetica Narrow Road numbers motorway 5031 Helvetica primary route 5032 Helvetica A road 5033 Helvetica B road 5034 Helvetica Oblique Dual junction divider line 5109 Motorway junction numbers full access 5042 Helvetica Narrow limited access 5043 Helvetica Narrow Toll 5038 Helvetica Bold Road distance mileage motorway 5036 Helvetica Bold primary and A road 5037 Helvetica Bold Road distance marker motorway 5108 primary and A road 5107 Feature description Geographical area names parks moors woodlands commons moors plains Large hills ranges and summits Named hills islands and rocks Other text airports without custom
33. describing measure serviceability structure or composition attribute code An alphanumeric identifier for an attribute type attribute value A specific quality or quantity assigned to an attribute bearing Bearings are angles measured against the National Grid in degrees They are measured clockwise from grid north block A DXF term used to describe annotated or grouped lines for example defined symbols in Land Line boundary A boundary is the limit of a predefined and established area whose limit is determined by one or more lines for example county area boundary and reservoir boundary byte A unit of computer storage of binary data usually comprising 8 bits equivalent to a character Hence megabyte one million bytes and gigabyte one thousand million bytes cartography The organisation and communication of geographically related information in either graphic or digital form lt can include all stages from data acquisition to presentation and use CD ROM A data storage medium A 12 cm disc similar to an audio CD character A distinctive mark an inscribed letter one of a set of writing symbols coding Allocation of a feature code to a feature being created from constituent construction data points and or segments with optional linking to an existing feature of the same feature code continuation mark A logical record may contain more data than can be held in a single physical record The physical record c
34. details of up to five line features that meet at a node Further lines meeting at that node are written to the Node Continuation Record It is important to note that although the Node Record contains references to its appropriate point and line features the point and line features do not contain references to the node Data supply structure Record size NTF data is written to the output device in variable length records with a maximum record length of 80 characters which includes CONT_MARK and EOR Record terminator EOR The end of record terminator is the per cent ASCII 37 character Formatted media transfer set less than media capacity 01 VOLUME HEADER RECORD 01 02 DATABASE HEADER RECORD 40 ATTRIBUTE DESCRIPTION RECORD 05 FEATURE CLASSIFICATION RECORD 07 SECTION HEADER RECORD Tile 1 data 99 VOLUME TERMINATION RECORD 01 VOLUME HEADER RECORD 01 02 DATABASE HEADER RECORD 40 ATTRIBUTE DESCRIPTION RECORD 05 FEATURE CLASSIFICATION RECORD 07 SECTION HEADER RECORD Tile 2 data 99 VOLUME TERMINATION RECORD and so on Tile n data 99 VOLUME TERMINATION RECORD Chapter 7 NTF record list This list comprises the valid record types used in the Strategi NTF transfer set Descriptor Description Volume Header Record defines the donor and data type Database Header Record transfers data about the database Feature Classification Record
35. digitally linear map features such as roads rivers settlement boundaries and so on Points and lines within the data model determine the geometric positional characteristics of the data Lines and points within the data model also have associated attributes these give the point or line entities meaning that is they represent the descriptive characteristic of an entity such as a feature code a name or a numerical value DXF All features having the same feature code will be recorded on the same layer DXF has a limited link and node structure within this structure a feature may be a name point or line Each feature is free standing its topological relationship to any other feature is not expressed in the data Other important data structural concepts include Networks are interconnecting linear features structurally related by means of an explicit point described as a node Between the nodes are series of non intersecting line segments described as links hence link and node see figure 2 1 This is of special interest in GIS for network analysis processes such as shortest path computations Proprietary GIS software is used to build and maintain networks for linear features such as roads railways and so on However not all data with the potential to be a network is structured into one Figure 2 1 Link and node Points and B are nodes as they intersect with other features The line A B is the l
36. may occur due to the materials and process used to produce the map relative coordinates A coordinate pair or triplet measured relative to another point in the coordinate system in which it lies rather than from the origin See also absolute coordinates representative point A point within a polygon that can be used to carry the attributes of the whole polygon For example owner or land use type Also called area seed peg point point label polygon point polygon seed resolution A measure of the ability to detect quantities High resolution implies a high degree of discrimination but has no implication as to accuracy For example in a collection of data in which the coordinates are rounded to the nearest metre resolution will be 1 metre but the accuracy may be 5 metres or worse seed A seed is a digitised point within an area often a defined polygon for example a lake or woodland but not always for example a geographical seed such as the South Downs See also representative point seed point A coordinated point within an area to which alphanumeric information may be attached segment A link or line defined by two consecutive coordinates in a line string shapefile or shp ESRI shapefiles are a simple non topological format for storing the geometric location and attribute information of geographic features A shapefile is one of the spatial data formats that you can work with in ArcView GIS source scale The
37. of the same point on the ground As the true position can never be known exactly the statistic is quoted relative to the best known position determined by precise survey methods absolute coordinates A coordinate pair or triplet measured directly from the origin of the coordinate system in which it lies and not to any other point in the system accuracy The closeness of the results of observations computations or estimates to the true values or the values accepted as being true Accuracy relates to the exactness of the result and is a measure of the exactness of the operation by which the result is obtained administrative area A term used by Ordnance Survey to refer to all public administrative areas specifically local government management and electoral areas area A spatial extent defined by circumscribing lines that form a closed perimeter that does not intersect itself area seed A point within an area that can be used to carry the attributes of the whole area for example ownership address and use type ASCII American Standard Code for Information Interchange It is a 7 bit code for encoding a standard character set attribute An attribute is a property of an entity usually used to refer to a non spatial qualification of a spatially referenced entity For example a descriptive code indicating what an entity represents or how it should be portrayed attribute class A specific group of attributes for example those
38. overview of Strategi in ESRI shapefile ESRI shapefiles are a simple non topological format for storing the geometric location and attribute information of geographic features A shapefile is one of the spatial data formats that you can work with in ArcView GIS The shapefile format defines the geometry and attributes of geographically referenced features in as many as five files with specific file extensions that should be stored in the same project workspace They are Shp the file that stores the feature geometry shx the file that stores the index of the feature geometry dbf the dBASE file that stores the attribute information of features When a shapefile is added as a theme to a view this file is displayed as a feature table sbn and sbx the files that store the spatial index of the features These two files may not exist until you perform theme on theme selection spatial join or create an index on a theme s shape field If you have write access to the source data directory the index files will be persistent and remain after your ArcView session is complete If you do not have write access to the source data directory they will be removed when you close the project or exit ArcView ain and aih the files that store the attribute index of the active fields in a table or a theme s attribute table These two files may not exist until you perform Link on the tables If you have write access to the source data directo
39. pair of coordinates Attribute codes Attribute codes provide supplementary information on a feature providing such qualifying information as feature code feature name orientation and so on In NTF the structure of user defined attributes is described in the Attribute Description Record ATTDESC The actual attribute detail of a record is written in the Attribute Record ATTREC Transfer set structure The beginning of each transfer set is structured with the following introductory or leading records Database Header Record DBHREC this gives details of e The database name e NTF release date e Feature classification table name e Release date that applies to the whole of the transfer set Attribute Description Record ATTDESC this lists and gives a description of the attributes that can be applied to features within the transfer set Feature Classification Record FEATCLASS this lists and gives descriptions of all possible feature codes for the transfer set These introductory records are followed by the data requested by you which are contained in the section The section consists of two parts e Section Header Record SECHREC this gives the National Grid coordinates of the section and on unformatted media informs you that a new section is starting and e Section body this comprises all the features within the section General The following are the record definitions for the transfer of Strategi da
40. record that lists the feature codes in use in the current database feature code FC A numeric attribute used in digital map data to describe each feature in terms either of the object surveyed or its representation on the map or both A feature code is equivalent to a layer in DXF feature identifier A unique code to identify an individual feature field A specified part of a record containing a unit of data such as the date of digitising The unit of data may be a data element or a data item In NTF a field is a subdivision of a physical record Every field has a name and a predefined interpretation font The style of text character used by a printer or plotter footnotes Supplementary or explanatory notes pertaining to a map sheet which are normally included below the southern neatline of a printed map and supplied with DXF data foreshore The foreshore is taken to be the area of land between mean high water MHW or mean high water springs MHWS in Scotland and the extent of the realm EOR format The specified arrangement of data For example the layout of a printed document the arrangement of the parts of a computer instruction the arrangement of data in a record free end The end of a line feature that does not intersect or connect with any other line feature that is the point defining the free end does not share a coordinate pair with any other feature geographical information system GIS A system for ca
41. scale of the source information from which the map was digitised that is the scale of survey for a basic scale map or the scale of the source map for a derived map structure See data structure structured data Data within which collections of features of any type form objects Topographically structured data also contains topological information defining the relationships between features and objects structured node The topological expression of any point whether isolated or at the end of a link symbol feature A feature represented by a graphical sign with a specific meaning for example a triangulation pillar or a bench mark terminator A character or character string or field or record used to signal the end of a record or section or volume or database text coordinates Each text feature has a start of text coordinate that is digitised text feature A free standing text string in the digital data describing a feature or particular instance of a feature for example Factory or ACACIA AVENUE text height The height at which a text string is plotted and or displayed This information is included in the feature header of the text feature text position See text coordinates Also known as original digitised position text string The set of characters to be plotted as a text feature it is indivisible in the data topographic database A database in which data relating to the physical features and boundaries on the
42. 0123456789012345678901234567890 oS Template Feature Classification Record FEATCLASS 05 Field Position Format Value example Description REC_DESC 01 02 A2 05 FEAT_CODE 03 06 A4 5310 Four character feature code CODE_COM 07 16 A10 lt 10S gt Not used STCLASS 17 36 A20 lt 20S gt Not used FEATDES ES A Feature description DIVIDER 41041 A1 CONT_MARK 2 2 11 0 No continuation record EOR AO A1 Record terminator variable integer Record example 055310 Motorway 0 T 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Section Header Record SECHREC 07 Record 1 Field REC_DESC SECT_REF COORD_TYP STRUC_TYP XYLEN XY_UNIT XY_MULT Z_LEN Z_UNIT Z_MULT X_ORIG Y_ORIG Z_DATUM CONT_MARK EOR Position 01 02 Format Value example 07 WALES lt 5s gt 2 1 00007 2 0000001000 00000 0 0000001000 0000000000 0000000000 0000000000 1 Description File name Rectangular Vector Seven character coordinate fields Metres Default Not used Not used Default X coordinate of SW corner of unit not used Y coordinate of SW corner of unit not used Not used Continuation record follows Record terminator Record 2 Field Position Format Value example Description REC_DESC 01 02 A2 00 Continuation record XMIN 03 12 110 0000000000 YMIN 13 22 110 0000000000 XMAX 23 32 110 0000700000 Y
43. 1 5611 and 5610 File Description Feature code 1 motorway 5310 5312 5300 5301 5311 5313 2 primy_rd 5320 5322 5302 5303 5321 5323 5325 5304 5305 5324 5326 5327 5373 5389 5392 3 a_road 5330 5332 5306 5307 5331 5333 5335 5308 5309 5334 5336 5337 5358 5389 5392 4 b_road 5340 5342 5343 5345 5346 5347 5349 5389 5 minor_rd 5350 5351 5353 5405 5406 5407 5403 5404 5384 5385 5825 5389 6 ferry 5390 5393 7 trans_pt 5370 5371 5372 5379 5378 5355 5375 5360 5361 5356 5376 5357 5377 trans_pt 5374 5408 5381 5380 5314 5382 5520 5521 5530 5531 5108 5107 trans_pt 5363 5365 5364 railway 5510 5511 5512 5513 5514 5515 5519 5522 5523 5524 5525 coast 5110 10 foreshor 5120 5122 File Description Feature code 11 rivers 5211 5212 5213 5221 5222 5230 5240 5242 5241 5243 12 lakes 5250 13 water_ft 5140 5142 5141 5612 14 woodland 5610 15 urban 5420 5422 16 nat_park 5820 5821 17 settimnt 5427 5413 5416 5419 5443 5446 5448 5447 18 airport 5839 5840 5841 5845 19 land_use 5621 5620 5810 5812 5815 5816 5835 5843 5844 20 admin 5710 5715 5720 5725 5740 5744 5730 5733 5750 5734 21 gridline 5397 5398 22 seeds 5115 5901 5200 23 tourist 5838 5837 5860 5875 5805 5861 5862 5877 5876 5867 5873 5
44. 12 Island area attribute point 5621 Geographical area attribute point parks moors woodland 5620 headland fens commons plains large hills and summits small hills and other physical features Woodland margins and clearings are included in the land use category along with woodland area seeds Other features Feature description Antiquities Roman road antiquity line detail dyke wall and so on hill fort battlefield Landmark antiquity dot hotel ruin castle and so on Telephone dot Television or radio mast Wind powered generator Windmill Tourist abbey cathedral priory open to the public aquarium open to the public camping and caravanning combined site camp site caravan site castle open to the public cave open to the public country park open to the public craft centre open to the public ferry box outline ferry boat ferry catamaran ferry hovercraft garden open to the public golf course historic house open to the public motor racing circuit museum open to the public nature or forest trail Feature code 5810 5812 5815 5816 5838 5837 5835 5843 5844 5860 5875 5805 5861 5862 5877 5876 5867 5873 5890 5887 5892 Feature description nature reserve other tourist attraction open to the public park and ride picnic site preserved railway racecourse ski slope telephone motoring organisation telephone public theme park open to the public tourist information
45. 34 Drawing Coment and TOM als secs ter rrsan eanet onanie aeii teuseaes shuns dne nettes aheenads dan dB tte tiers tt rE E a Rien ets ee 135 COGKGIMATS NOT Er ii a ia id cs E 135 LAYER james conny araa aeaa Eas i hou het ane ne dar snes tonte shared gone dar A AEAEE OEE etage inst aS 135 N E LE PO da 135 Eiee PP o EEA ETE gusecene amicus E AE TEETE E A E EE T 135 Grid VAIUSS E EE EENE E EE AEE E E TEN 136 IMPOR NN cir a E E E 136 An overview of Strategi in ESRI Shapetile vir aaa danna ant TAR a AAN ES LAOS 137 SYIMBOlOGY LAI S Re ee a A a tas 138 RE 149 TextelassificadOS sse anaes Rr NE E E EENE TEREE EKE OER SRAT OE A EEEE EEE E ERREEN 163 Prod ctand Senice performance repor Ormisson a Ee duties ETE a O E A Ea den AEE ENE 164 Strategi Maplnfo Mid MIaYerS scort ad ATA VESA EAR OR EE OATES EES SEES 165 IMmportantinto MON arcaica asneni edonne a rannin mate can armee ta retient tata tete teen et AAi aAA AS EANO naan ares 165 1 Communications a a id 167 1 CLS EE VAR reba dar Hotes merece A ee ae ese cheese E 167 Primary routes AS TOAGS A O SO 169 A 173 ge Un A nette ere teen T 173 AE SR TE RE E E AE E E T E T hcncnceesemecpasaundaustactaceeansancetaheds T 173 National trails long distance path and route inner 173 2Water te alles A nant rie nub ra ee NN tn eee Al Re tete aea ere entente etre ins en nd 174 COASTING aa E asctesuatmacsaycemsetcseecd E S 174 Seared Seed below MM eaa a a ata 174 REBO EEE NN 174 EMEA O AS 175 RI
46. 5326 Primary Route Narrow Single PRIMARYROAD_L FC5327 Primary Route Narrow over Single PRIMARYROAD_L FC5330 A Road D C Single AROAD_L FC5331 A Road D C Planned Single AROAD_L FC5332 A Road D C over Single AROAD_L FC5333 A Road S C Single AROAD_L FC5334 A Road S C Planned Single AROAD_L Feature code Description Symbol Legend FC5335 A Road S C over Single AROAD_L FC5336 A Road Narrow Single AROAD_L FC5337 A Road Narrow over Single AROAD_L FC5340 B Road D C Single BROAD_L FC5342 B Road D C over Single BROAD_L FC5343 B Road S C Single BROAD_L FC5345 B Road S C over Single BROAD_L FC5346 B Road Narrow Single BROAD_L FC5347 B Road Narrow over Single BROAD_L FC5350 Minor Road over 4 metres wide Single MINORROAD_L FC5351 Minor Road over 4 metres wide over Single MINORROAD_L FC5353 Minor Road over 4 metres wide Tunnel Single MINORROAD_L FC5355 Roundabout Primary Route D C Unique TRANSPT_P FC5356 Roundabout A Road D C Unique TRANSPT_P FC5357 Roundabout B Road D C Unique TRANSPT_P FC5358 A Road Tunnel Single AROAD_L FC5359 B Road Tunnel Single BROAD_L FC5360 Service Station Full Access Unique TRANSPT_P FC5361 Service Station Limited Access Unique TRANSPT_P FC5370 Motorway Junction Full Access Unique TRANSPT_P FC5371 Motorway Junction Limited Access Unique TRANSPT_P FC5372 Motorway Junction U C Unique TRANSPT_P
47. 678901234567890123456789012345678901234567890123456789012345678901234567890 Template Text Position Record TEXTPOS 44 Field Position Format Value example Description REC_DESC 01 02 A2 44 TEXP_ID 03 08 16 000003 Cross reference from TEXTREC NUM_TEXR 09 10 12 01 TEXR_ID 11 16 16 000003 Sequential number of TEXTREP starting at 000001 GEOM_ID 17 22 16 000267 Field contains the GEOM_ID of the GEOMETRY1 record that contains the coordinates of the digitised position of the name CONT_MARK 23 23 11 0 No continuation record EOR 24 24 A1 Record terminator Record example 44000003010000030002670 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Text Representation Record TEXTREP 45 Field Position Format Value example Description REC_DESC 01 02 A2 45 TEXR_ID 03 08 16 000003 Cross reference from TEXTPOS FONT 09 12 14 0004 0001 0009 TEXT_HT 13 15 R3 1 010 Height in millimetres 010 085 DIG_POSTN 16 16 11 3 Standard Ordnance Survey digitising position 0 8 ORIENT 17 20 R4 1 0000 Measured anticlockwise from grid east in the range 0000 3599 CONT_MARK 21 21 11 0 No continuation record EOR 22 22 Al Record terminator Record example 450000030004010300000 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Volume Terminator Record V
48. 887 5892 tourist 5888 5886 5863 5878 5879 5864 5869 5880 5883 5806 5865 5871 5885 tourist 5884 5849 5847 5851 5866 5889 5882 5881 5874 5868 5870 24 txttrans 5890 5031 5032 5033 5034 5109 5042 5043 5038 5036 5037 5039 5045 25 txtadmin 5721 5741 5731 26 txtother 5025 5041 5049 5026 5006 5040 5060 5061 5062 5016 5020 5044 5046 txtother 5090 5081 5082 1 Communications Motorway Feature code Feature name Type Style Note 5310 Motorway Line Pen 35 194 5278719 x 5312 Motorway over other feature Line Pen 35 194 5278719 x 5300 Motorway under construction Line Pen 35 4 5278719 x 5301 Motorway under const over other feature Line Pen 35 4 5278719 x 5311 Motorway planned Line Pen 35 5 5278719 x 5313 Motorway tunnel Line Pen 40 3 5278719 x 5370 Motorway Junction Font Symbol Symbol 63 7381247 8 MapInfo Weather 16 0 x 5371 Motorway Junction limited access Font Symbol Symbol 63 7381247 8 MapInfo Weather 256 0 x 5372 Motorway Junction under construction Font Symbol Symbol 58 7381247 8 MapInfo Weather 256 0 xX Primary routes Feature code Feature name Type Style Note 5320 Primary Route Dual Carriageway Line Pen 30 194 45056 x 5322 Primary Route D C way over other feature Line Pen 30 194 45056 x 5302 Primary Route D C way unde
49. 892 G8065901 Tourist information centre seasonal Ferry box outline Ferry catamaran Spot height dots CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS INSERT POLYLINE INSERT INSERT WHITE CYAN CYAN WHITE TICS CATAM SEEDPOINT Chapter 9 General DXF file structure for Strategi The following paragraphs describe the DXF group and section structure for the transfer of Strategi It is assumed that the reader of this chapter is familiar with the AutoCAD reference manual which is published by Autodesk Ltd Cross Lane GUILDFORD GU1 1UJ or an equivalent document published by the reader s software supplier if a CAD package other than AutoCAD is to be used The following section gives a detailed breakdown of the data structure of Strategi in DXF This is a two stage procedure which consists of 1 Diagrammatic view of the data structure with a preceding outline description of that part of the data structure 2 Detailed examples of the record sequence and contents of the data structure A diagram of the record group precedes each example Data structure The following diagrams figures 9 1 9 17 represent the data structure of DXF Where one element of a figure is the starting point for another figure this is indicated beneath the relevant box Figure 9 1 Level 1 Key one or more o optional DXF FILE o oO HEADER TABLES BLOCKS ENTITIES END OF FILE SECTION SECT
50. A is a seed point that has attached to it a feature code identifying it in this case as a woodland area e Point B is a seed point with a feature code that identifies it as an urban area the seed will also carry its distinctive name attribute Cadnam e Point C is a special case of a point feature that shares a unique coordinate junction between intersecting features in this case where the A36 intersects with the urban area This is an example of a node Some lines and points are common to more than one map feature as shown in figure 2 4a the area Cadnam shares its boundaries with the M27 A31 T A31 and A36 Figure 2 4a Overlapping features a ten an nay t ny Cadnam These overlapping features are stored separately within the data as shown in figures 2 4b and 2 4c Figure 2 4b Separate storage of overlapping features Figure 2 4c Separate storage of overlapping features Fai 0 Cadnam The common line D E to the A31 T and the settlement polygon and the common line E C to the A36 and the settlement polygon each represent two lines The geometry of each feature is stored separately in the data Note Within these examples road numbers are attributes of the features Feature position The geometry of map features is defined in terms of coordinates All coordinates used in Strategi are based on the National Grid coordinate referencing system
51. AYER VERTEX X Y Z GROUP GROUP GROUP GROUP GROUP o o oO o O STARTING ENDING BULGE VERTEX CURVE FIT WIDTH WIDTH FLAGS TANGENT DIRECTION End of file group This group will end with DXF EOF end of file group Chapter 10 An overview of Strategi in Mid Mif Strategi is available in Mid Mif The transfer format is as defined by the Map nfo Professional User s Guide Mif Export MapInfo Interchange Format MIF is an ASCII file format that can fully describe a MapInfo database Both graphic and tabular data are exported into MIF files The graphic data is in a file with a mif extension and the tabular data is in a file with a mid extension MIF files can be translated into other formats with other programs An overview of the data structure of a Strategi file in Mid Mif is shown below Files below supplied on CD The files below are created for each layer as they are imported into MapInfo Fig 10 1 igx yyBuAdoo umo19 Once this is done it is ready for use the above example is for the A road layer Structure of Strategi in MapInfo Strategi has a limited link and node data structure within this structure a feature may be a name a point or a line or series of lines forming a coherent unit Each feature is free standing that is its topological relationship to any other feature is not expressed in the data Features are classified by type and each type is placed in a s
52. Al Record example Description Not used Date of processing Not used Volume number 01 99 Version 2 0 Variable length records on unformatted media or default on formatted media Divider used in ATTREC No continuation record Record terminator O1ORDNANCE SURVEY 2001111200000130200V 10 1 2 3 4 5 12345678901234567890123456789012345678901234567890123456789012345678901234567890 7 8 Template Database Header Record DBHREC 02 Record 1 Field Position Format Value example Description REC_DESC 01 02 A2 02 DBNAME 03 22 A20 Strategi_01 02 lt 6S gt Database name DDNAME 23 42 A20 DEFAULT 02 00 lt 7S gt DDATE 43 50 DATE 19920515 Release date of NTF version being used DDBASE 51 70 A20 lt 20S gt Not used DDBDATE 71 78 DATE 00000000 Not used CONT_MARK 79 79 11 1 Continuation record follows EOR 80 80 Al Record terminator Record 2 Field Position Format Value example Description REC_DESC 01 02 A2 00 Continuation record FCNAME 03 22 A20 Strategi_02 00 lt 6S gt Data specification FCDATE 23 30 DATE 20010901 Date of data specification DQNAME 31 50 A20 lt 20S gt Not used DQDATE 51 58 DATE 00000000 Not used DATA_MODEL 59 60 12 00 CONT_MARK 61 61 11 0 No continuation record EOR 62 62 Al Record terminator Record example 02Strategi 01 02 DEFAULT_02 00 19920515 000000001 00Strategi 02 00 20010901 00000000000 1 2 3 4 5 7 8 1234567890123456789012345678901234567890123456789
53. Description Feature code Woodland seed Description Date Date of last change Description Representative point Description Representative point No continuation record Record terminator Other examples of use of ATTREC for point features 14000002FC5115DE00000000RU00 This indicates ATT_ID 2 feature code 5115 the sea which is a representative point of an unbounded area 14000003FC5520DE19940718FMSOUTHAMPTON PARKWAY 0 This indicates ATT_ID 3 feature code 5520 a railway station with the proper name of Southampton Parkway 14000015FC5380DE199904040R08500 This indicates ATT_ID 15 feature code 5380 a gradient 1 in 7 or steeper symbol orientated at 85 0 degrees Attribute Record Line The following attributes are optional FM Feature name NU Numbered feature Line record example Field Position Format Value example Description REC_DESC 01 02 A2 14 ATT_ID 03 08 16 000001 First attribute Feature code Field Position Format Value example Description VAL_TYPE 09 10 A2 FC Feature code VALUE 11 14 14 5810 Roman road Second attribute Date Field Position Format Value example Description VAL_TYPE 15 16 A2 DE Date VALUE 17 24 DATE YYYYMMDD Date of last change Third attribute Feature name Field Position Format Value example Description VAL_TYPE 25 26 A2 FM Proper name VALUE 27 40 A14 WATLING STREET DIVIDER 41 41 Al CONT_MARK 42 42 11 0 No continuation record EOR 43 43 A1 Record terminator
54. Earth s surface is held topography Topography is the study of the physical features of the earth A topographic map s principal purpose is to portray and identify the features of the earth transfer format The format used to transfer data consistently between computer systems In general usage this can refer not only to the organisation of data but also to the associated information such as attribute codes which are required in order to successfully complete the transfer transfer medium The physical medium on which digital data is transferred from one computer system to another for example CD ROM transfer set A specific NTF term for the data together with its supporting information which the customer receives update The process of adding to and revising existing digital map data to take account of change vector A straight line joining two data points vector data Positional data in the form of coordinates of the ends of line segments points text positions and so on volume A physical unit of the transfer medium that is a single disk a single DAT a single CD ROM and so on Appendix B Text classifications Font identity 0001 0002 0003 Font description Helvetica Helvetica Bold Helvetica Narrow Helvetica Light Helvetica Oblique Helvetica Narrow Oblique Helvetica Bold Oblique Helvetica Narrow Bold Zapf Chancery Bold The above apply only to NTF text for DXF is STANDARD Appendix C Product
55. Footpath Single MINORROAD_L FC5835 Television Radio Mast or Tower Unique LANDUSE_P FC5837 Telephone Dot Unique TOURIST_P FC5838 Landmark Antiquity dot FC5839 Airport Non Sch with Perm cust facility Single AIRPORT_P FC5840 Airport Sch without cust facility Single AIRPORT_P FC5841 Airport Sch with Perm cust facility Single AIRPORT_P FC5843 Wind Powered Generator Unique LANDUSE_P FC5844 Windmill Unique LANDUSE_P Feature code Description Symbol Legend FC5845 Heliport Single AIRPORT_P FC5847 Public Telephone Unique TOURIST_P FC5849 Motoring Organisation Telephone Unique TOURIST_P FC5851 Theme Park open to the public Unique TOURIST_P FC5860 Abbey Cath Priory open to the public Unique TOURIST_P FC5861 Camp Site Unique TOURIST_P FC5862 Caravan Site Unique TOURIST_P FC5863 Golf Course Unique TOURIST_P FC5864 Museum open to the public Unique TOURIST_P FC5865 Picnic Site Unique TOURIST_P FC5866 Tourist Info Centre open all year Unique TOURIST_P FC5867 Country Park open to the public Unique TOURIST_P FC5868 Youth Hostel Unique TOURIST_P FC5869 Nature or Forest Trail Unique TOURIST_P FC5870 Zoo open to the public Unique TOURIST_P FC5871 Preserved Railway Unique TOURIST_P FC5873 Craft Centre open to the public Unique TOURIST_P FC5874 Wildlife Centre open to the public Unique TOURIST_P FC5875 Aquarium open to the pub
56. ION SECTION SECTION GROUP Figure 9 2 Figure 9 3 Figure 9 9 Figure 9 12 Header Figure 9 2 Level 2 Key one or more HEADER SECTION HEADER SECTION START SECTION HEADER VARIABLE GROUP SEQUENCE HEADER GROUP END SEC GROUP The Header section will begin as 0 SECTION 2 HEADER 9 SACADVER AutoCAD drawing database version number 1 AC1009 This indicates release 11 or 12 not 9 9 The information that follows contains settings of variables associated with the drawing These are set with various commands and are the type of information displayed by the STATUS command Each variable is specified in the Header section by a 9 group giving the variable s name followed by the groups that supply the variable s value Descriptions of all Header information can be found in the AutoCAD reference manual The Header information will end with the following variable 0 ENDSEC End of section Tables Figure 9 3 Level 2 Key n TABLES o optional SECTION fe SECTION LINETYPE ENDSEC START TABLE GROUP Figure 9 4 Figure 9 6 Figure 9 8 SECTION GROUP TABLES GROUP The tables section will follow the header section and will contain three tables e Linetype table e Layer table e Style table Figure 9 4 Linetype table level 3 Key O one or more LINETYPE o optional TABLE
57. Key o one or more ENTITIES o optional SECTION SECTION START ENDSEC GROUP ENTITIES SECTION ENTITIES EXTENDED Figure 9 13 Level 3 Key one or more o optional LINE GROUP o START Z GROUP END X GROUP LINE ENTITY START X GROUP END Y GROUP START Y GROUP END Z EXTENDED GROUP ENTITIES Figure 9 14 Level 3 Key one or more o optional INSERT ENTITY INSERT LAYER x Y 7 GROUP GROUP GROUP GROUP GROUP Y SCALE Z SCALE ROTATION EXTENDED FACTOR GROUP X SCALE FACTOR ANGLE ENTITIES FACTOR GROUP GROUP GROUP Figure 9 15 Level 3 Key one or more o optional TEXT GROUP o TEXT VALUE GROUP LAYER GROUP ROTATION ANGLE GROUP TEXT GENERATION FLAGS ALIGN X GROUP TEXT ENTITY GROUP RELATIVE X SCALE FACTOR GROUP HORIZONTAL JUSTIFICATION TYPE ALIGN Y GROUP o GROUP GROUP OBLIQUE TEXT ANGLE STYLE NAME GROUP GROUP VERTICAL JUSTIFICATION TYPE ALIGN Z GROUP Figure 9 16 Level 3 Key one or more o optional POLYLINE GROUP SEQ END GROUP POLYLINE FLAG GROUP POLYLINE ENTITY LAYER GROUP GROUP DEFAULT STARTING WIDTH GROUP o VERTICES FOLLOW VERTICES FLAG GROUP Y Z GROUP GROUP DEFAULT ENDING WIDTH GROUP Figure 9 17 Level 4 Key O o optional VERTICES L
58. Line Line Pen 12 2 65535 x 5398 10 km Grid Line Line Pen 12 3 65535 x 8 Geographic text Primary route destination Feature code Feature names Type Style Note 5025 Graphic Text City Primy Rte Dest Text Font Arial 257 7 0 11599792 x 5041 Graphic Text Town Primy Rte Dest Text Font Arial 257 6 0 11599792 x 5049 Graphic Text Village Primy Rte Dest Text Font Arial 257 5 0 11599792 xX Non Primary route destination Feature code Feature names Type Style Note 5026 Graphic Text City Not Primy Rte Dest Text Font Arial 257 7 0 1 x 5006 Graphic Text Town Not Primy Rte Dest Text Font Arial 257 6 0 1 x 5040 Graphic Text Village Not Primy Rte Dest Text Font Arial 257 5 0 1 x Road numbers Feature code Feature names Type Style Note 5031 Graphic Text Motorway Number Text Font Arial 1 5 16777215 255 x 5032 Graphic Text Primary Route Number Text Font Arial 1 4 16776960 32768 x 5033 Graphic Text A Road Number Text Font Arial 256 5 16711680 16777215 x 5034 Graphic Text B Road Number Text Font Arial 256 5 13671424 16777215 x Dual junction divider line Feature code Feature names Type Style Note 5109 Dual Junction Graphic Text Divider Line Font Symbol Symbol 51 255 9 MapInfo Transportation 0 270 x Motorway junction numbers Feature code Feature names Type Style Note 5042 Graphic
59. Lines may be concurrent with other lines under certain conditions As an object abstraction a line has no width line segment A vector connecting two coordinated points linear feature Map feature in the form of a line for example a road centreline that may or may not represent a real world extant feature link Links are the representation of line features They are made up of one or more consecutive non intersecting link segments with common attributes between two terminating nodes Links have no connection with other links except at the start or end via common shared terminating nodes points All links contain their terminating coordinates Links may form the boundaries of polygons and may be shared between polygons map A graphical or digital representation of the landscape including natural and or man made features map generalisation The process of reducing the complexity of the detail on a map when reducing the map scale map header Data at the start of the digital map file describing that data lt may contain information on the source and history of the geometric data within the map and the coordinate system in use map scale The ratio between the extent of a feature on the map and its extent on the ground normally expressed as a representative fraction for example 1 1250 scale or 1 50 000 scale mean high water springs MHW or MHWS Depiction of the encroachment of land by tidal waters at mean highest levels
60. MAX 33 42 110 0001300000 XY_ACC 43 47 R5 2 00000 Not used Z_ACC 48 52 R5 2 00000 Not used SURV_DATE 53 60 DATE 00000000 Not used LAST_AMND 61 68 DATE yyyymmdd Date last amended COPYRIGHT 69 76 DATE yyyymmdd Copyright date CONT_MARK 17 17 11 0 No continuation record EOR 78 78 Al Record terminator Record example O7WALES 21000072000000100000000000000010000000000000000000000000000000001 00000000000000000000000000700000000130000000000000000000000020011112200111120 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Attribute Record ATTREC 14 All records will have FC and DE attributes All others are optional Point Record example Field Position Format REC_DESC 01 02 A2 ATT_ID 03 08 16 First attribute Feature code Field Position Format VAL_TYPE 09 10 A2 VALUE 11 14 14 Second attribute Date Field Position Format VAL_TYPE 15 16 A2 VALUE 17 24 DATE Third attribute Bounded representative point Field Position Format VAL_TYPE 25 26 A2 VALUE 27 27 A1 Fourth attribute Feature name Field Position Format VAL_TYPE 28 29 A2 VALUE 30 44 A15 DIVIDER 45 45 Al CONT_MARK 46 46 11 EOR 47 47 A1 Would appear as Value example 14 000001 Value example FC 5611 Value example DE YYYYMMDD Value example RB 0 Value example FM SHERWOOD FOREST 0 14000001FC5611DE19980107RBOFMSHERWOOD FOREST 0 oS Description
61. OLTERM 99 Field Position Format Value example Description _DESC 01 02 A2 99 FREE_TEXT 03 A See note below CONT_VOL 1 1 11 0 No continuation volume or 1 continuation volume follows EOR 2 2 A1 Record terminator Notes If there are further volume s to follow then the FREE_TEXT field comprises the following message End Of Volume nn Transfer Set Continues On Volume nn 1 If there are no further volumes then the FREE_TEXT field will READ End Of Transfer Set variable integer Record examples 99End Of Volume 01 Transfer Set Continues On Volume 021 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template 99End Of Transfer Set0 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template oS Chapter 8 Introduction DXF explained The purpose of this chapter and chapter 9 is to e Provide a brief description of the presentation of Strategi in the DXF transfer format e Data Exchange Format DXF conforming to AutoCAD release 12 with extended entity data As part of this description data structure diagrams are used to give greater explanation where necessary e Provide Licensed Partners with as much detail as necessary to enable Strategi files in DXF to be easily understood and processed by application software The term data structure us
62. ONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS DASH DOT Entity POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE INSERT POLYLINE POINT POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE INSERT INSERT POLYLINE Colour GREY GREY YELLOW CYAN WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE GREEN WHITE RED me RY TUN_E STATION LEVCROSS LEVCROSS Strategi user guide chapter 8 v6 0 3 2003 O crown copyright Page 106 AY Feature code G8065611 G8065612 G8065620 G8065621 G8065710 G8065715 G8065720 G8065721 G8065725 G8065730 G8065731 G8065733 G8065734 G8065740 G8065741 G8065744 G8065750 G8065805 G8065806 G8065810 G8065812 Feature name Wood forest seed Marsh Geographic area attribute point Island area attribute point National boundary National primary attribute point County boundary County name graphic text County primary attribute point District boundary District name graphic text District primary attribute point Administrative detached attribute point Unitary authority boundary Unitary authority name graphic text Unitary authority primary attribute point Associated area boundary Camping and carav
63. Strategi User guide 6 Preface Contact details This user guide contains all the information you need to make effective use of Strategi It is designed to help you understand the information contained in the data as well as providing detailed technical information and the data format specification This user guide has been checked and validated before issue and every endeavour made to ensure that the contents are accurate If you find an error or omission or otherwise wish to make a suggestion as to how this user guide can be improved please contact us at the address shown under Contact details The contents of this user guide will be updated by the release of replacement chapters The Customer Contact Centre will be pleased to deal with your enquiries Phone 023 8030 5030 Fax 023 8079 2615 Email customerservices ordsvy gov uk Welsh Language HelpLine in Welsh phone 08456 05 05 04 or write to Customer Contact Centre Ordnance Survey Romsey Road SOUTHAMPTON United Kingdom S016 4GU Visit the Ordnance Survey web site at www ordnancesurvey co uk Product performance Liability If you have any problems with or identify any errors in the data or this user guide please complete the Product performance report form at appendix C and return it to us Your use of the Strategi product is subject to the terms and conditions of supply and use within the Customer contract held by you or your organisation and thos
64. Symbols 1 0 x 5720 County Boundary Line Pen 17 23 0 x 5725 County Primary Attribute Point Font Symbol Symbol 52 0 6 Mapinfo Symbols 0 0 x 5740 Unitary Boundary Line Pen 17 24 0 x 5744 Unitary Primary Attribute Point Font Symbol Symbol 51 0 6 Mapinfo Symbols 1 0 x 5730 District Boundary Line Pen 17 24 0 x 5733 District Primary Attribute Point Font Symbol Symbol 51 0 6 Mapinfo Symbols 0 0 x 5750 Associated Area Boundary Line Pen 17 23 0 x 5734 Administrative Detached Attribute Point Font Symbol Symbol 50 0 6 MapInfo Symbols 0 0 x 5820 National Park Forest Park Boundary Line Pen 25 3 32896 x 5821 National Park Forest Park Seed Font Symbol Symbol 50 32896 6 MapInfo Symbols 0 0 x 5 Land use Feature code Feature name Type Style Note 5610 Wood Forest outer limit Line Pen 1 2 32896 x 5491 Wood Forest inner limit Line Pen 1 2 32896 x 5611 Wood Forest seed Symbol Symbol 49 0 12 x 5610 Wood Forest polygon Polygon Pen 1 1 32896 Brush 2 11599792 16777215 e 5612 Marsh Font Symbol Symbol 109 32896 12 MapInfo Cartographic 0 0 x 5621 Island Area Attribute Point Font Symbol Symbol 51 16711680 6 MapInfo Symbols 0 0 x 5620 Geographical Area Attribute Point Font Symbol Symbol 50 16711680 6 MapInfo Symbols 0 0 x 6 Other features Antiquities Feature code Feature name Type Style Note 5810 Roman Road Line Pen 15 5 8388608 x 5812 Antiquity L
65. TURE SECTION SECTION BOC FEATURE CARTOGRAPHIC TEXT FEATURES TEXT FEATURE POI MT REC 15 LIMERES 23 ATRE 14 LETTRE 14 MODERE 16 LS BAMET FAT 21 CANTINA Tah RECORDS co Pea INT REL 15 SEO METRY 1 a ATTRA 14 Version management The product version number and the release number are specified in the Database Header Record DBHREC as supplied in NTF Product version Each version of Strategi is defined by a unique product version number and relates to the specification of the data being supplied The product version number takes the form xx yy where xx is the major product number and yy is the minor change number Thus version 02 04 would indicate that this is the major product version 02 and that this is the fourth minor amendment to the product specification This user guide reflects the product specification current at the date of this user guide that is Strategi_02 00 The effective date of this product specification is 1 September 2000 and is indicated by the FCDATE field of the Database Header Record DBHREC Product release The release number takes the form xx yy where xx is the sequential release within a year and yy is the year of the release Thus release 01 01 would indicate that this is the first data release in 2001 and is indicated by the DBNAME field of the Database Header Record DBHREC Product releases do not necessarily include
66. VER SECON AY O IO de 175 OTMERTIVE PEMCE GAINS ciao iaa iieaes 175 A O Bie aes 175 Inland water lake reservoir loch pond Shoreline and SO on sise 176 WIQMIMOUSC scada Aien S aE E Soda EEE pE Pan sera Ep pE RT EERE a aE aT ade TA 176 LRO A ES AT CE RE E A N E ETN EE E E EN EE 176 SE ES a E e EE E A 177 Settl mentatiribute POINTS reir caia 177 A E E NS A E Oe e E E EEE E EE wee O A NN G Other teatre cui daras PU GUNNS ccs ces ee E E vay Ses vt ab E vad d s save agdet nats sue cca a taghed asta ede vevareveveusniey AA ea a a a seceteeaseanesicedecees PPP D Heig Tres sertie ane en dense Dense abide eee eee an er nee charente mane nl sr ete ada annie LAS SE QE ia cantetdmasngaterdnes AE ES 8 Geographic text Primary TOUTE destinataria 182 Noh Primaly route destinatiON sesmisceiarn diaria 182 Road IMUM LS SR a a Ad A id Aida 183 Dual JUncion Miden IN ici ao eddie inside 183 Motorway JUNCTION n m DETS XSARA scented ssndeedarnsacgestaxsathaxscccatansdonadhuantstesseneseaakssudanuesdenaeteamesbactsdesnctacieddenevares 183 A E A 183 Road distance MEAE iraina terne Rd enr teinte E R bade 183 Road distance Marui a A A a 184 Geographical Area ARE ASS decia pia 184 Large hills rang s and SUN MiS acti drid iran cese Rama nn ete 184 Named E saa 184 OS ste ceerercentetde te nee en os tetes eme anes tee A ei annee nee 2ee Dec e se Ces Lette tee en Re D esse Des ce nRer ete ei es cela cette s lance 184 AY AYES LE asl LES VU ASS s
67. YLINE POLYLINE POLYLINE POLYLINE INSERT INSERT Colour GREEN RED RED RED RED RED RED RED RED ORANGE ORANGE ORANGE ORANGE ORANGE ORANGE WHITE WHITE WHITE GREEN RED Strategi user guide v6 0 3 2003 O crown A me chapter 8 copyright Page 103 Feature code G8065357 G8065358 Feature name Roundabout B road dual carriageway A road tunnel Linetype CONTINUOUS DASHED Entity INSERT POLYLINE Colour ORANGE RED Block RBOUT G8065371 G8065372 G8065373 G8065374 G8065375 G8065376 G8065377 Motorway junction limited access Motorway junction under construction Primary route tunnel Roundabout minor road over 4 metres wide Roundabout primary route single carriageway Roundabout A road single carriageway Roundabout B road single carriageway CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS INSERT INSERT POLYLINE INSERT INSERT INSERT INSERT BLUE WHITE GREEN WHITE GREEN RED ORANGE JUNCTION JUNCTION RBOUT RBOUT RBOUT RBOUT G8065378 Multilevel junction under construction CONTINUOUS INSERT GREY MULT_JUNC G8065379 Multilevel junction full access CONTINUOUS INSERT WHITE MULT_JUNC G8065380 G8065381 G8065382 G8065384 G8065385 Gradient 1 in 7 14 or steeper on primary A and B roads Roundabout under construction Toll bar Other track or road Other track or road over Ordn
68. al boundary 5710 National primary attribute point 5715 County boundary 5720 County primary attribute point 5725 Unitary authority boundary 5740 Unitary authority primary attribute point 5744 District boundary 5730 District primary attribute point 5733 Associated area boundary arbitrary boundary for example 5750 between islands Administrative area detached attribute point 5734 National forest park boundary 5820 National forest park attribute point 5821 Effective date 1 April 2000 The data associated with administrative area seed points contains the name of the administrative area This is the means by which separated areas of the same administrative area unit are linked together Seed points have associated boundary codes In the case of national seed points there are coastline and boundary In the case of county seed points there are coastline national and county boundaries In the case of district seed points there are coastline national county and unitary boundaries Any number of separated areas of the same administrative area unit may carry the seed point code Offshore islands will carry administrative area seed points but not the national seed point Small islands and rocks coded as point features do not have area seed points There is no logical connection in the data between them and ceremonial units Land use Feature description Feature code Wood forest outer margin 5610 inner limit 5491 seed 5611 Marsh 56
69. ance Survey CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS INSERT INSERT INSERT POLYLINE POLYLINE WHITE BLUE WHITE WHITE WHITE me GRADIENT RBOUT_UNC TOLL Strategi user guide chapter 8 v6 0 3 2003 O crown copyright Page 104 Feature code G8065389 G8065390 G8065392 G8065393 G8065397 G8065398 G8065403 G8065404 G8065405 G8065406 G8065407 G8065408 G8065413 G8065416 G8065419 G8065420 G8065421 G8065422 G8065423 G8065427 G8065490 G8065491 Feature name Multilevel junction limited access Vehicular ferry route Service station non 24 hour Ferry route link 100 km accentuated grid line 10 km grid line Dead end road gen under 4m wide Dead end road gen under 4m wide over Minor road under 4 metres wide Minor road under 4 metres wide over Minor road under 4 metres wide tunnel Roundabout minor road under 4 metres wide Town attribute point Village attribute point Landmark attribute point Large urban area outer limit Large urban area seed Small urban area outer limit Small urban area seed City attribute point Inland water inner limit Wood forest inner limit ol Ordnance Survey Linetype CONTINUOUS DASHED CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS DASHED DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS
70. and are quoted to a 1 m resolution Due to limitations of the map scale features are generalised to give the clearest representation of the real ground position Certain features will take priority over others according to their importance and their contribution to the usefulness of the map data As a result of this process features may be omitted or moved to aid clarity and avoid unnecessary clutter The National Grid as it applies to Strategi is explained more fully in chapter 5 Feature attribute data An attribute is the descriptive characteristic of a feature that is a non spatial element The geometry of the lines and points within the data would be meaningless unless they are assigned some distinguishing property In Ordnance Survey map data terms an attribute can be a feature code in NTF these are numeric codes or a distinctive name or number such as Birmingham or M40 Attribute codes relevant to NTF and DXF are described more fully within chapters 6 to 9 Feature codes Each feature is classified by means of a feature code FC These feature codes are allocated when each feature is initially interpreted and captured from the map base Thus an A road dual carriageway is distinguished by the feature code allocated to it from a B road single carriageway and other kinds of line feature Each feature is classified as belonging to a specific feature layer These layers range in value from G8060570 to G8065901 using the Layer Na
71. anning combined site Park and ride Roman road Antiquity line detail dyke wall and so on Linetype CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS DASH DOT CONTINUOUS DASHED STANDARD CONTINUOUS DASHED STANDARD CONTINUOUS CONTINUOUS DASHED STANDARD CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS Entity INSERT INSERT INSERT INSERT POLYLINE INSERT POLYLINE TEXT INSERT POLYLINE TEXT INSERT INSERT POLYLINE TEXT INSERT POLYLINE INSERT INSERT POLYLINE POLYLINE Colour GREEN GREEN WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE Block WOODSEED MARSH SEEDPOINT SEEDPOINT SEEDPOINT SEEDPOINT UNI_AP CAMPCAR PANDR o Ordnance Strategi user guide chapter 8 rvey v6 0 3 2003 O crown copyright ds y i Page 107 5 r WL mes Feature code G8065815 G8065816 G8065820 G8065821 G8065825 G8065835 G8065837 G8065838 G8065839 G8065840 G8065841 G8065843 G8065844 G8065845 G8065847 G8065849 G8065851 G8065860 G8065861 G8065862 G8065863 Feature name Hill fort Battlefield National park forest park National park forest park attribute point National trail long distance path and route Television radio mast or tower Telephone dot Landmark antiquity dot Airport with customs no scheduled flights Airport without customs facilities Airport with permane
72. apInfo Cartographic 0 0 x 5382 Toll Bar all roads Font Symbol Symbol 76 0 8 MapInfo Cartographic 0 0 x Railways Feature code Feature name Type Style Note 5510 Railway Standard Gauge Line Pen 25 2 0 x 5511 Railway Standard Gauge over other feature Line Pen 30 2 0 x 5512 Railway Narrow Gauge Line Pen 17 2 0 x 5513 Railway Narrow Gauge over other feature Line Pen 20 2 0 x 5514 Railway Tunnel Line Pen 25 3 0 x 5515 Railway Tunnel end symbol Font Symbol Symbol 113 0 8 MapInfo Cartographic 0 0 x 5519 Railway line under construction Standard Line o 5520 Railway Station Symbol Symbol 34 16711680 12 x 5521 Rapid Transit Station Line o 5522 Rapid Transit Line Line o 5523 Rapid Transit Line over Line o 5524 Rapid Transit Tunnel Line o 5525 Rapid Transit Line U C Line o 5530 Level Crossing on Classified Road Font Symbol Symbol 51 0 7 MapInfo Symbols 257 0 x 5531 Level Crossing on Unclassified Road Font Symbol Symbol 51 0 7 MapInfo Symbols 256 0 x Airport Feature code Feature name Type Style Note 5839 Airport with customs but no schedule flights o 5840 Airport No Customs facilities Font Symbol Symbol 53 128 10 Maplnfo Symbols 0 0 x 5841 Airport Customs facilities Font Symbol Symbol 72 128 12 MapInfo Real Estate 0 0 x Hel
73. ass through lakes and reservoirs All rivers are stored as single lines from the source to high water mark A point is identified where a river enters an estuary From the estuary point to the sea the banks are coded as coastline with the river name as an attribute of a geographical area seed point Lake and reservoir shorelines are broken where a river or canal enters or exits A dam or barrage is not distinguished from the shore Coastal foreshore detail identifies differences between natural and man made coastline Foreshore detail is identified as sand or other which makes sand areas easily identifiable Information on lighthouses and lightships is also included and is represented by a point feature Sea areas are identified with an unbounded sea seed point its precise position is not important Examples of sea seed points include those that denote the Bristol Channel and Falmouth Bay Settlements Feature description Feature code Settlement attribute points city 5427 town 5413 village 5416 landmark feature retail industrial estates and so on 5419 Urban area large outer limit 5420 large inner limit 5492 large seed 5421 small outer limit 5422 small inner limit 5493 small seed 5423 Settlements show outer limits and open spaces within urban area outer limits Primary and non primary route destinations are held as an attribute of the settlement feature codes Boundaries Feature description Feature code Nation
74. ation identity and their relationship to Ordnance Survey data capture specifications This user guide reflects the product specification current at the date of this user guide Version details of these specifications are also stated Product Product specification Strategi Strategi_02 00 Transfer format specifications Name BS 7567 DXF NTF v2 0 release 12 Level 3 Version 2 1 Issue date 15 May 1992 1 January 1997 NTF release The current release is NTF v2 0 and will be supplied until further notice The NTF version is indicated by the NTFVER field of the Volume Header Record VOLHDREC The effective date of the definition of NTF v2 0 in Strategi is 15 May 1992 and is indicated by the DDATE field of the Database Header Record Strategi output options Strategi is inert data It requires software not provided by Ordnance Survey to display it on a screen or to plot it out as hard copy DXE The parameters defining colours line styles text styles symbols and so on should be built into user software Strategi may be customised by viewing or plotting features in different colours line styles and scales to suit different applications Certain classes of features may be omitted from customised plans on the basis of selection by feature code and attributes The parameters defining colours line styles text styles symbols and so on are embedded within the DXF file as is customary with this CAD format The r
75. atural Sea Seed Below Mean High Water Foreshore Sand outer limit Foreshore Sand Seed Foreshore Other outer limit Foreshore Other Seed Lighthouse in use Lightship Lighthouse disused River River Primary Source Primary Middle River Primary Lower River Secondary Source River Secondary Middle River Other and Drains Canal Canal Tunnel Canal Over Canal Tunnel end symbol Inland Water outer limit Inland Water Seed Motorway U C Motorway U C over A ES Graphic type Text Text Text Text Point Point Point Line Point Line Point Line Point Point Point Point Line Line Line Line Line Line Line Line Line Point Line Point Line Line NTF attribute DE TX DE TX DE TX DE TX DE OR DE OR DE OR DE DE RU DE DE RB DE DE RB GS FM DE GS FM DE GS FM DE FM DE FM DE FM DE FM DE FM DE DE FM DE FM DE FM DE DE OR DE DE RB DE NU DE NU Feature code 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5320 5321 Feature name Primary route dual carriageway under construction Primary route dual carriageway under construction over Primary route single carriageway under construction Primary route single carriageway under construction over A road dual carriageway under construction A road dual carriageway under construction over A road single carria
76. cations However file sizes have increased and you may need extra memory capacity especially for DXF data Computer software Strategi is supplied as data only and does not include software for data viewing or manipulation Strategi supplied in NTF or DXF will require specific software such as GIS or CAD NTF is a nationally agreed standard for the transfer of geographical data NTF allows users of GIS to customise their own definition of the data for display and or plotting for their specific applications Strategi is also available as data in Mid Mif and shapefile formats which require specific software such as Mapinfo Professional or ArcView Strategi supply Supply unit Strategi is supplied as seamless data files Great Britain is supplied as two files GB north and GB south Country coverages are hard cut to 5 km from the national border Supply options The options for data supply are as follows for both NTF DXF Mid Mif and Shapefile formats e A complete database of Great Britain e Country datasets e England e Scotland e Wales Transfer formats This user guide supports the following formats e BS 7567 NTF v2 0 Level 3 e DXF conforming to AutoCAD release 12 with extended entity data Media Strategi is supplied on CD ROM only Update Updates are provided for each operative year of your licence Strategi version numbering or specification The following gives details of the product specific
77. cific feature code These feature codes are listed in chapter 6 These differences in the data are inferred during translation from Ordnance Survey s internal data format to the required customer transfer format Names as attributes The criteria for names attribute attachment are as follows Rivers and roads each portion of the line where named in the data Place names a chosen seed point in the urban area Other names free standing seed points Not all stored data is named It is possible with appropriate software for users to add other names or values of their own choice as attributes of features Over codes The over code allows you to give priority to features that go over other features This code can apply to roads canals and railways In NTF this information is explicitly transferred in the node record and relative levels of the links on the ground are assigned 1 for a level feature or 2 for a feature that crosses over the level feature However in Strategi the node record identifies all links as at level 1 and the over information is contained within the feature code for that feature Strategi application overview Typical user scenarios Strategi is a national database of Great Britain and can form the geographical information base for use with a GIS Here are two examples Example 1 Site research for a large scale multiple retail outlet Figure 2 5 Site research Increasingly retail businesses ar
78. code 5389 5390 5392 5393 5397 5398 5403 5404 5405 5406 5407 5408 5413 5416 5419 5420 5421 5422 5423 Feature name Multilevel junction limited access Vehicular ferry route Service Station non 24 hour Ferry route link 100 km accentuated grid line 10 km grid line Dead end road Dead end road over Minor road under 4 m wide Minor road under 4 m wide over Minor road under 4 m wide tunnel Roundabout minor road under 4 metres wide Town attribute point Village attribute point Landmark attribute point Large urban area outer limit Large urban area seed Small urban area outer limit Small urban area seed NTF abbreviated feature name Multi Level junction Limited Access Vehicular Ferry Route Service Station non 24 hour Ferry Route Link 100 Km Accentuated Grid Line 10 Km Grid Line Dead End Road gen under 4 m wide Dead End Road gen under 4 m wide over Minor Road under 4 m wide Minor Road under 4 m wide over Minor Road under 4 m wide Tunnel Roundabout Minor Road under 4 m wide Town Attribute Point Village Attribute point Landmark Attribute Point Large Urban Area outer limit Large Urban Area Seed Small Urban Area outer limit Small Urban Area Seed Graphic type Point Line Point Line Line Line Line Line Line Line Line Point Point Point Point Line Point Line Point NTF attribute GS NU RJ RM RL RQ
79. conventions and does not always coincide with the topology Each linear feature is composed of a string of XY coordinate pairs implicitly joined by straight lines The colour and line weights of some layers may differ when DXF is used with certain software packages Area features Area features are not defined within vector link and node data Features that might be thought of as areas are treated in the data as linear features for example a woodland outline is treated as a polyline in layer G8065610 Name features Name features are treated as free standing text data There is no explicit relationship in the data between a text feature and the point or line feature to which it belongs Ordnance Survey distinguishes between layer name types for example motorway numbers and water names by placing each name type in a separate DXF layer Text has position expressed as a single coordinate pair held as X and Y National Grid coordinates Text which is double or treble banked is treated as two or three separate features The text string may be considered to be contained within an envelope whose bottom left corner is positioned on this coordinate pair Text is oriented that is it may run from west to east across the map or it may be plotted at some other angle measured anticlockwise from grid east Information specific to DXF Coordinate system The coordinate system is the National Grid The coordinates are to a resolution o
80. d site Park and ride Roman road Antiquity line detail dyke wall and so on Hill fort Battlefield National park forest park National park forest park attribute point National trail long distance path and route Television radio mast or tower Telephone dot Landmark antiquity dot Airport with customs but no schedule flights NTF abbreviated feature name County Boundary County Name Graphic Text County Primary Attribute Point District Boundary District Name Graphic Text District Primary Attribute Point Administrative Detached Attribute Point Unitary Boundary Unitary Name Graphic Text Unitary Primary Attribute Point Associated Area Boundary Camping and Caravanning Combined Site Park and Ride Roman Road Antiquity Line Detail dyke wall and so on Hill Fort Battlefield National Park Forest Park National Park Forest Park Attrib Point Long Distance Footpath Television Radio Mast or Tower Telephone Dot Landmark Antiquity dot Airport Non Sch with Perm cust facilities Graphic type Line Text Point Line Text Point Point Line Text Point Line Point Point Line Line Point Point Line Point Line Point Point Point Point NTF attribute DE DE TX CM DE RU DE DE TX DN CM DE RU DN CM or UN DE RB DE DE TX UN DE RU DE GS DE GS UE DE FM DE FM DE GS FM DE GS FM DE DE FM DE RB FM DE GS DE DE GS FM DE GS FM CM or UN UE DE
81. de Strategi an introduction Strategi is detailed digital map data ideal for applications requiring an overview of geographical information on England Scotland and Wales It supports a wide range of applications including planning or environmental analysis Users can geographically link their business information with Strategi to analyse national trends or to provide a planning overview for example the provision of a framework for road scheme planning Full technical information on Strategi data transfer formats is contained in the chapters 6 to 11 of this user guide The purpose of chapters 6 to 11 is to e Provide a brief description of the presentation of Strategi in the two transfer formats in which it is supplied BS 7567 NTF v2 0 Level 3 Data Exchange Format DXF conforming to AutoCAD release 12 with extended entity data e Mid Mif e Shapefile As part of this description data structure diagrams are used to give greater explanation where necessary e Provide Licensed Partners with as much detail as necessary to enable Strategi files in NTF DXF Mid Mif or shapefile to be easily understood and processed by application software The term data structure used in these chapters refers to the organisation and sequence of the records in the data file and not to the geographical topology of the data Because of the fundamental differences in the data format of Strategi supplied in NTF DXF Mid Mif and shapefile t
82. dedwebecetes A EA A 38 BONGGANG iaa tan 39 E NA 40 OTST EE UE EE ayeetacmedias seGmaudttece cate E S SA ASA 41 USAN 42 A A AO 43 Quality Stetementantain en iria diia 46 SN A duseaplam nanan ae 46 OUAIS ee En ee EP tee ere creer tree pre E cr a A E E 46 Accuracy and TESOIMMOM s2 35 a2 cence casenis O Aaa neha ceabawites ging steaa d s et tte Re ete 47 COMPICLONSSS ismsiass rra Nieto ea 47 MN E O 48 INTIFLOX Ol ANING iria a A AAA AAA 49 An overview Of Strate gi IN INTE ass ii da a A e ae 49 Aibute codes TOR SU ATCO I escrita idiota cauto D Aia a Eri EEan Ena 51 Attribute values TOR State Olmeca eat diritto rollito 52 NTF feature codes for StMatedl amic A A EE N ia aE E 53 Conventions Used imthig USER GUIDE ara 62 JACKSOM SIFUCTUPE ii da 63 VEISIONIMANAT Mtra ee en de een Re nan ee dali ed te ee ed 65 PROGUCEVEFSIOM EE L22 er srmrmes ape cdensste nes eneamae sense auo tte ane leon iberia ollas ene etes 65 Products asas 65 NS A nca Mn darc sinon gaat pegs sta jaa anseduadoana duns onde seu sata dents yaa ose dns gush dean cashaven baad dnc onttod gue gage idencb en seamed R dac Aa E EEEN RS 65 Information relevant to NTF cccccccccccssseseccccccecscueuseceeecesscueueeceecceessaueeeceeecansuaeeeesesseeeesaaeesseseeceuaauneecececeuauaneeessetsuauaneceeeeeteesaaaeeeeesenaes 66 ae N EEE E A ad isa 66 eNO SE EE ria 66 PAU CLEC OCES aa face a a a dada 66 Transfer SE USTUC Esee Le a aid 67 LE CINE RS RE SSP PR RP RTE a e a a 68 SECON DORE RAR Re
83. e looking for competitive advantage therefore investment in retail outlets requires careful efficient objective and quantified approaches to planning Where are the ideal locations to site these What is the local infrastructure like What is the demographic profile of the local population Scenario A retailer is looking for a site in Hampshire The company s criteria for selection are as follows e the site must be within a 3 km buffer of a motorway junction e the site must be within a catchment area of a large urban settlement and e the nearest competitor should not be within 5 km information derived from the retailer s own competitor database GEOPLAN postcode data supplied courtesy of Geoplan Note Postcode data is not supplied with Strategi Additionally the researcher needs to know which postcodes are contained within this settlement area to enable the company to link to their own demographic database Example 2 Environmental analysis Scenario Within the county of Hampshire an environmental authority needs to know which woodland parcels land areas of 500 hectares or more are contained wholly within the county to assist them in their woodland management programme Figure 2 6 Woodland parcels light areas indicate woodlands of 500 hectares or more Chapter 3 Strategi content Feature theme description On the following pages the feature codes are grouped into themes for easy refer
84. e terms and conditions take precedence in the event of any inconsistency between the terms of the Customer contract and this user guide Ordnance Survey makes every effort to ensure that data supplied is free from errors and omissions Your remedies in the event of the data supplied containing errors and omissions are as set out in the Customer contract It is however the customer s responsibility to ensure that data ordered is suitable for the intended purpose Delivery of Strategi Data copyright You are advised to copy the supplied data to a back up medium All Ordnance Survey digital map data are Crown copyright Full details of the conditions under which our digital map data may be processed and or manipulated or copied by a customer whether or not for use on PCs or workstations or for making hard copies are contained in Ordnance Survey leaflet Copyright 1 Business use of our digital and conventional mapping This is available from Copyright Licensing at the address on the previous page You should check the terms and conditions with us before using the data It is also the responsibility of the holder of the digital map data to ensure that any plotted or printed output contains the required copyright acknowledgement User guide copyright This document is Crown copyright 2003 All rights reserved It is supplied with Strategi to allow you to make effective use of the data Any part of it may be copied for your own busines
85. ed in these chapters refers to the organisation and sequence of the records in the data file and not to the geographical topology of the data These chapters should be read in conjunction with chapters 1 2 and 3 which describe the content of Strategi An overview of Strategi in DXF Data Exchange Format DXF Strategi is available in DXF conforming to AutoCAD release 12 using extended entity data to store attributes The transfer format is that defined by the NEDO Working Party for the exchange of two dimensional drawings in the construction industry An overview of the data structure of a Strategi file in DXF is shown below Key one or more optional DXF FILE ENTITIES END OF FILE HEADER TABLES BLOCKS SECTION GROUP SECTION SECTION SECTION Structure of Strategi in DXF Strategi has a limited link and node data structure within this structure a feature may be a name a point or a line or series of lines forming a coherent unit Each feature is free standing that is its topological relationship to any other feature is not expressed in the data Feature representation Features are classified by type and each type is placed in a separate DXF layer Line features A feature is a subjective entity that is so long as the constituent lines are of the same description layer a feature need not fully describe a logical piece of detail The extent of a feature is determined by digitising
86. eiicecesb a snaiie tsastnintessngdeeatisessentsb am aaa a aaa Raada aE 12 RS LES LES IMDS METIS ti ai had cnet ark gga see A ol ee ae oe 12 STARS LEE Iva DPIC ATOMS ca vd 13 What VOurnGGd to Use SIL Ste LEP eta died ad di a bici 14 Computer hardware ii a a a aida 14 Computer So Wales auna lalola ete ne retail E E 14 Saco S10 6 oN o rer reer ne to ed ee Te E E E 15 SUP Ue 15 SUPPI OPI Seria ta dede 15 Transfer Tormats OE PAE EP sand E E r aaa aa A a aaa a 15 E O O NN 15 UW lela A A ct et 16 Strategl V rsion h mbering OFSPECIC Mii odas 16 NTE release 1 race Bia eedahs E E A E 16 Strategi Output OPUOMS 1 2 20 A A EAA EE Reia aRar A AEREE NERE EREE 17 o a eara aa E araa a a EA E at EEEE A EEs ere AREE A DS 18 DATA OV ES IIS W RSR ae dire et tn occiso enema 18 BASIC PNC ui pios 18 Data Struc tUr Sissies acne eet Se saa yeas eee eh sb aa id A ica 19 PACS ER A ete ee ea te e te a ee ee 22 lines and POMS mada lan li es 22 Feature DOS MOM A ida 27 Feature attribut data entente eda na pac a aie ete mea es ee tee ae en mt ar met en es cd 27 Feat 101010 ii tasa 28 NE O NON 29 OVE CODES 32555 Une e A 29 Strategi application OVERVIEW 0 a 30 Typical USErSCeNANOS LR ER tii 30 Strale CINCO MG Me orina 32 Chapter 4 Chapter 5 Chapter 6 Feature theme ISSO 22e st A A iia bee 32 COMMUNICAION S e Ea aa aE 32 EC oaclsuaeeaauaseecamuaaeeauia yata gan one sbenaaabe aauaeenaacbanan sausasGeeuaaseeessuuee 36 Sn AA A deed sebecsiate odane
87. ence with explanatory notes where appropriate Strategi feature codes are numerically listed in detail in chapter 6 for NTF and chapter 8 for DXF Note Names where recorded as attributes appear in all themes DXF Feature codes are prefaced with G806 for DXF Communications Feature description Feature code Motorways normal 5310 over other feature 5312 under construction 5300 under construction over 5301 planned 5311 Motorway tunnel 5313 Motorway junction full access 5370 limited access 5371 under construction 5372 Feature description Feature code Primary routes Dual carriageway 5320 over other feature 5322 under construction 5302 under construction over 5303 planned 5321 roundabout 5355 Single carriageway 5323 over other feature 5325 under construction 5304 under construction over 5305 planned 5324 roundabout 5375 Narrow 5326 over other feature 5327 Tunnel 5373 A roads Dual carriageway 5330 over other feature 5332 under construction 5306 under construction over 5307 planned 5331 roundabout 5356 Single carriageway 5333 over other feature 5335 under construction 5308 under construction over 5309 planned 5334 roundabout 5376 Narrow 5336 over other feature 5337 tunnel 5358 Feature description Feature code B roads Dual carriageway 5340 over other feature 5342 roundabout 5357 Single carriageway 5343 over other feature 5345 roundabout 5377 Narrow 5346 over other fea
88. eparate TAB layer Line features A feature is a subjective entity that is so long as the constituent lines are the same description layer a feature need not fully describe a logical piece of detail The extent of a feature is determined by digitising conventions and does not always coincide with the topology Each linear feature is composed of a string of XY coordinate pairs implicitly joined by straight lines The colour and line weights for the layers are defined by the parameter file shown in appendix D Area features Area features are polygons with attributes added Names features Names features are treated as free standing text data There is no explicit relationship in the data between a text feature and the point or line feature to which it belongs Ordnance Survey distinguishes between layer name types for example place names and station names by placing each name type in a separate layer Text has an anchor position expressed as a single coordinate pair held as X and Y offsets from the map origin south west corner If there are any double or treble banked names they will be treated as two or three separate features Anchor points at the bottom left hand corner and digitising positions define the text string content Text is oriented that is it may run from west to east across the map or it may be plotted at some angle measured anticlockwise from grid east Drawing content and format Coordinate system
89. esolution of Strategi will support plotted or displayed output at a range of scales around the nominal scale of the source mapping User warning Plotting at too small a scale will result in a map of cluttered appearance with text too small to be legible A suggested output within 25 of a map s source scale should allow all data to be sensibly plotted or displayed Chapter 2 Data overview Strategi data structure Basic principles Lines and or links represent all linear features for example roads railways rivers lakes and so on Points represent individual map entities and may be either free standing or enclosed by line features Nodes represent intersections and direction changes between links Each feature has associated geometry this may be a single coordinate pair for a single point feature for a railway station or two or more coordinate pairs for a linear feature Each feature is classified by means of a feature code that may have one or more associated attributes Seed points are representative points that have attributes describing an area feature They may fall within a polygon or be free standing Data structure Strategi data is defined as a geometrically structured link and node see figure 2 1 database Geographical features are represented as points these are fixed positionally by one coordinate pair for example a roundabout feature or lines a series of connected coordinated points to represent
90. ettlement attribute points Settlement attribute points Airport Heliport Airport Heliport Airport Heliport Code 5806 5806 5360 5361 5360 5361 5392 5392 5360 5361 5360 5361 5360 5361 5392 5392 5413 5416 5427 5413 5416 5427 5839 5840 5841 5845 5839 5840 5841 5845 5839 5840 5841 5845 Attribute Value Value description 00 J O1 BB ND ND OO O1 B ND Operates all year with a minimum open time Monday Saturday Seasonal or Saturday only Open 24 hours under construction Open 24 hours operational Not open 24 hours under construction from 2002 Not open 24 hours operational from 2002 Motorway Primary route A class road Primary route A class road Primary route destination Non primary route destination GB only European Worldwide NTF feature codes for Strategi Feature code 5006 5016 5020 5025 5026 5031 5032 5033 5034 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5049 5060 5061 oS Feature name Non primary route destination town graphic text Other graphic text Water feature graphic text Primary route destination city graphic text NonTextprimary route destination city graphic text Motorway number graphic text Primary route number graphic text A road number graphic text B road number graphic text Road distance mileage motorway graphic text Road distance primary and A graphic text
91. f 0 01 m This is the resolution of the source data Height No height attributes are applied to any feature Layer names Layer Naming Convention for CAD in the Construction Industry Version 2 which is based upon the guidelines laid down in BS 1192 Part 5 Guide for structuring of computer graphic information has been adopted Each layer name is an eight character string The first four characters relate to the AUG Autodesk system with G GIS as the source of the information and 800 899 as the part code This product is G806 The remaining four digits relate to existing Ordnance Survey digital map data in their own NTF system and are leading zero filled For example G8065310 Motorways Neatline Neatlines around the extent of the map data are added as lines in the ENTITIES section Layer name G8060572 Grid A grid is added as lines in the ENTITIES section layer name G8060572 The grid is created by the translator and therefore must be specified before the translation takes place Copyright Crown copyright is inserted at the origin of the data 0 0 Strategi DXF layers Feature code G8060571 G8060572 G8060573 G8060575 G8065006 G8065016 G8065020 G8065025 G8065026 G8065031 G8065032 G8065033 G8065034 G8065036 G8065037 G8065038 G8065039 G8065040 G8065041 Feature name Footnotes Grid lines and values Grid values Default Non primary route destination town graphic text Other gra
92. f benefits National coverage The definitive 1 250 000 scale dataset for Great Britain suited to multiple applications using a geographical information system GIS computer aided design CAD and digital mapping systems Structured vector format offering maximum functionality and allowing you to build closed polygons Annually updated from maintained data source Supplied as seamless data Gazetteer as part of the Strategi package a 1 250 000 scale names gazetteer is supplied The text files will contain the settlement name admin area and National Grid coordinates Strategi applications Strategi provides a comprehensive national database of geographical spatial information designed to support a wide range of applications Strategi is a small scale cartographic base for strategic planning and analytical processes The list of potential applications is by no means exhaustive some examples are e Route planning e Environmental analysis e What if analysis e Statistical analysis for social environmental or marketing decision making e Linking and integrating user s own information with spatial data e Customised graphic output What you need to use Strategi Computer hardware This product may be used on a wide range of hardware platforms provided sufficient memory and storage facilities are available varying from desktop PCs using GIS or CAD to mainframe computers with specialised translators and appli
93. geway under construction A road single carriageway under construction over Motorway Motorway planned Motorway over Motorway tunnel Road tunnel end symbol Primary route dual carriageway Primary route dual carriageway planned Primary route dual carriageway over Primary route single carriageway Primary route single carriageway planned Primary route single carriageway over Primary route narrow Primary route narrow over A road dual carriageway A road dual carriageway planned A road dual carriageway over A road single carriageway NTF abbreviated feature name Primary Route DC U C Primary Route DC U C over Primary Route SC U C Primary Route SC U C over A Road DC U C A Road DC U C over A Road SC U C A Road SC U C over Motorway Motorway Planned Motorway over Motorway Tunnel Road Tunnel end symbol Primary Route D C Primary Route D C Planned Primary Route D C over Primary Route S C Primary Route S C Planned Primary Route S C over Primary Route Narrow Primary Route Narrow over A Road D C A Road D C Planned A Road D C over A Road S C Graphic type Line Line Line Line Line Line Line Line Line Line Line Line Point Line Line Line Line Line Line Line Line Line Line Line Line NTF attribute DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE NU DE OR DE NU
94. his user guide devotes separate chapters to these transfer formats Chapters 6 to 11 should be read in conjunction with chapters 1 to 3 which describe the content of Strategi Chapters 10 and 11 give details of Mid Mif and shapefile formats Strategi features Strategi benefits The Coded features that give each feature a specific category allowing users to group like features for search display and output routines Strategi is defined as a limited link and node structure lt contains points lines and nodes Nodes have pointers to lines links that join at the node but there is no explicit topology within the data Similarly there are lines links that enclose an area containing a point seed and again there is no explicit topology between the lines links and point seed Some points seeds are not contained within areas enclosed by lines links Annual updating and Ordnance Survey s comprehensive intelligence gathering ensures that high standards of currency and integrity are maintained Version 06 00 is revised to July 2002 with major roads advanced to September 2002 Names are stored in attribute records and are applied to features such as rivers and roads as attributes of these features Names applying to geographical names include the cartographic position for screen display These may also be included in the attribute record of the appropriate point or line feature high specification of Strategi offers a number o
95. ine Detail dyke wall and so on Line Pen 1 2 8388608 x 5815 Hill Fort Font Symbol Symbol 122 128 10 Maplnfo Miscellaneous 0 0 x 5816 Battlefield Font Symbol Symbol 118 128 12 MapInfo Miscellaneous 0 0 x Others Feature code Feature name Type Style Note 5838 Landmark Antiquity dot Font Symbol Symbol 35 8388608 4 MapInfo Symbols 0 0 x 5837 Telephone Dot Font Symbol Symbol 35 128 4 MapInfo Symbols 0 0 x 5835 Television Radio Mast or Tower Font Symbol Symbol 80 128 12 MapInfo Real Estate 0 0 x 5843 Wind Powered Generator Font Symbol Symbol 82 128 12 MapInfo Real Estate 0 0 x 5844 Windmill Font Symbol Symbol 79 128 12 MapInfo Real Estate 0 0 x Tourist Feature code Feature name Type Style Note 5860 Abbey Cath Priory open to the public Font Symbol Symbol 69 128 12 MapInfo Real Estate 0 0 x 5875 Aquarium open to the public Font Symbol Symbol 120 128 12 MapInfo Miscellaneous 0 0 x 5805 Camping and Caravanning Combined Site Font Symbol Symbol 66 128 12 MapInfo Miscellaneous 0 0 x 5861 Camp Site Font Symbol Symbol 58 128 12 MapInfo Symbols 0 0 x 5862 Caravan Site Font Symbol Symbol 66 128 9 MapInfo Miscellaneous 0 0 x 5877 Castle open to the public Font Symbol Symbol 68 128 14 MapInfo Real Estate 0 0 x 5876 Cave open to the public Font Symbol Symbol 121 128 12 MapInfo Miscellaneous 0 0 x 5867 Country
96. ink and in this example is made up of six individual line segments Polygons are continuous areas defined by sets of bounding closed lines These are implicit within the data but can be explicitly created with appropriate software Stored within recognisable polygons are seed points sometimes described as centroids which hold information about that polygon for example a town name Unnamed polygons have a seed point that exists simply to represent the polygon feature for example an unnamed woodland area Figure 2 2 Polygon 2 4 8 6 Point is the polygon seed point for the area attached to this point will be attributes such as the feature code which define it and its definitive name if it is named on the map The polygon in this example comprises nine individual line segments There are also free standing seed points that are not associated with a defining polygon An example of such free standing seed points is a geographical seed such as the South Downs GIS software provides the functionality to store manage and manipulate this digital map data The properties of Strategi make it suitable as the basis for users wishing to develop such applications Features Strategi has two feature classes e point features and e line features These are arranged into recognisable map entities such as roads rivers railways and lakes for line features roundabouts windmills motorway junctions and airports f
97. iport Feature code Feature name Type Style Note 5845 Heliport Font Symbol Symbol 91 128 12 MapInfo Transportation 0 0 x Ferries Feature code Feature name Type Style Note 5390 Vehicular Ferry Route Line Pen 20 6 8421504 x 5393 Ferry Route Link Line Pen 20 6 8421504 x National trails long distance path and route Feature code Feature name Type Style Note 5825 Long Distance Footpath Line Pen 20 5 8421504 x 2 Water features Coastline Feature code Feature name Type Style Note 5110 Coastline Line Pen 17 2 4227327 x Sea area seed below MHW Feature code Feature name Type Style Note 5115 Sea Seed below Mean High Water Font Symbol Symbol 50 255 6 MapInfo Symbols 0 0 x Foreshore area Feature code Feature name Type Style Note 5120 Foreshore sand outer limit Line Pen 1 2 0 x 5494 Foreshore sand inner limit Line Pen 1 2 0 x 5120 Foreshore sand polygon Polygon Pen 1 1 0 Brush 2 16777104 16777215 e 5121 Foreshore sand seed Symbol Symbol 49 0 12 x 5122 Foreshore other MLW exposed outer limit Line Pen 1 2 0 x 5495 Foreshore other MLW exposed inner limit Line Pen 1 2 0 x 5122 Foreshore other MLW exposed polygon Polygon Pen 1 1 0 Brush 49 8421504 e 5123 Foreshore other seed Symbol Symbol 49 0 12 x River primary
98. it can take and the range of operations that can be applied to it Integer real and character string are examples of data type Some modern programming languages allow user defined types database An organised integrated collection of data stored so as to be capable of use by relevant applications with the data being accessed by different logical paths Theoretically it is application independent but in reality it is rarely so dataset An identifiable collection of related data derived map A map that has been produced by reference to other source data rather than directly from a survey detached part A term applying to a part of a local government or parliamentary area that is completely surrounded by other local government or parliamentary areas and is not connected to the parent area by direct access on the ground digital Data that is expressed as numbers digits in computer readable form is said to be digital digital archive Archival map data stored in digital format digital map A term used by Ordnance Survey to describe a particular tile of digital map data digital map data The digital data required to represent a map The data includes not only map detail but also feature header data map header data and management data distinctive name A name given to a feature or place to distinguish it from other features or places of a similar nature for example River Thames Park Lane Methodist Church Leeds or New Forest
99. le open to the public Historic House open to the public Motor Racing Circuit Graphic type Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point Point NTF attribute GS FM CM or UN UE DE GS FM CM or UN UE DE GS DE GS DE GS FM UE DE DE DE GS FM DE GS FM OW DE GS DE GS DE GS DE GS FM OW DE GS DE GS DE GS FM DE GS DE GS DE GS FM DE GS FM DE GS FM DE GS FM DE GS FM DE GS DE GS FM OW DE GS FM OW DE GS FM DE Value Feature code 5880 5881 5882 5883 5884 5885 5886 5887 5888 Feature name Nature reserve Viewpoint limited Viewpoint 360 Other tourist attraction open to the public Ski slope Racecourse Garden open to the public Ferry boat Ferry hovercraft Tourist information centre seasonal Ferry box outline Ferry catamaran Spot height dots NTF abbreviated feature name Nature Reserve Viewpoint Limited Viewpoint 360 Other Tourist Attract open to the public Ski Slope Racecourse Garden open to the public Ferry Boat Ferry Hovercraft Tourist Info Centre Seasonal Ferry Box Outline Ferry Catamaran Spot Height Dots Conventions used in this user guide Graphic type Point Point Point Point Point Point Point Point Point Point Line Point Point
100. le MINORROAD_L FC5408 Roundabout Minor Road under 4m wide Unique TRANSPT_P FC5413 Town Attribute Point Unique SETTLEMENT_P FC5416 Village Attribute Point Unique SETTLEMENT_P FC5419 Landmark Attribute Point FC5420 Large Urban Area outer limit Single URBAN_A FC5421 Large Urban Area Seed Single URBAN_P FC5422 Small Urban Area outer limit Single URBAN_A FC5423 Small Urban Area Seed Single URBAN_P FC5427 City Attribute Point Unique SETTLEMENT_P FC5490 Inland Water inner limit FC5491 Wood Forest inner limit FC5492 Large Urban Area inner limit FC5493 Small Urban Area inner limit FC5494 Foreshore Sand inner limit FC5495 Foreshore Other inner limit FC5510 Railway Standard Gauge Single RAILWAY_L FC5511 Railway Standard Gauge over Single RAILWAY_L FC5512 Railway Narrow Gauge Single RAILWAY_L FC5513 Railway Narrow Gauge over Single RAILWAY_L FC5514 Railway Tunnel Single RAILWAY_L FC5515 Railway Tunnel end symbol Single RAILWAY_P Feature code Description Symbol Legend FC5519 Railway Standard Gauge U C Single RAILWAY_L FC5520 Railway Station Unique TRANSPT_P FC5521 Rapid Transit Station Unique TRANSPT_P FC5522 Rapid Transit Line Single RAILWAY_L FC5523 Rapid Transit Line over Single RAILWAY_L FC5524 Rapid Transit Tunnel Single RAILWAY_L FC5525 Rapid Transit Line U C Single RAILWAY_L FC5530 Level Crossing on Classified Road Uni
101. lic Unique TOURIST_P FC5876 Cave open to the public Unique TOURIST_P FC5877 Castle open to the public Unique TOURIST_P FC5878 Historic House open to the public Unique TOURIST_P Feature code Description Symbol Legend FC5879 Motor Racing Circuit Unique TOURIST_P FC5880 Nature Reserve Unique TOURIST_P FC5881 Viewpoint Limited Unique TOURIST_P FC5882 Viewpoint 360 degrees Unique TOURIST_P FC5883 Other Tourist Attract open to the pub Unique TOURIST_P FC5884 Ski Slope Unique TOURIST_P FC5885 Racecourse Unique TOURIST_P FC5886 Garden open to the public Unique TOURIST_P FC5887 Ferry Boat Unique TOURIST_P FC5888 Ferry Hovercraft Unique TOURIST_P FC5889 Tourist Info Centre Seasonal Unique TOURIST_P FC5890 Ferry Box Outline Single TRANSTEXT_L FC5892 Ferry Catamaran Unique TOURIST_P FC5901 Spot Height Dot Single SEEDS_P These legend files require the additional True Type Font 25000_PointSyms ttf this file will have to be copied to the fonts folder on the hard drive of your PC workstation in order to open and display the symbols correctly Appendix A Glossary The following is a list of technical terms used in this user guide together with a fuller definition absolute accuracy A measure which indicates how closely the coordinates of a point in Ordnance Survey map data agree with the true National Grid coordinates
102. mes Feature Feature name code G8065303 Primary route dual carriageway under construction over G8065304 Primary route single carriageway under construction G8065305 Primary route single carriageway under construction over G8065306 A road dual carriageway under construction G8065307 A road dual carriageway under construction over G8065308 A road single carriageway under construction G8065309 A road single carriageway under construction over G8065310 Motorway G8065311 Motorway planned G8065312 Motorway over G8065313 Motorway tunnel G8065314 Road tunnel end symbol G8065320 Primary route dual carriageway G8065321 Primary route dual carriageway planned G8065322 Primary route dual carriageway over G8065323 Primary route single carriageway G8065324 Primary route single carriageway planned G8065325 Primary route single carriageway over G8065326 Primary route narrow Oo Ordnance 1 Survey Linetype DASHED DASHED DASHED DASHED DASHED DASHED DASHED CONTINUOUS DASHED CONTINUOUS DASHED CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS Entity POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE INSERT POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE POLYLINE Colour GREEN GREEN GREEN
103. ming Convention for CAD in the Construction Industry Version 2 which is based upon the guidelines laid down in BS 1192 Part 5 Guide for structuring of computer graphic information These feature layers are listed in chapter 8 A further four text feature codes for layout of footnotes are included These feature codes are listed in chapter 8 In order to display the attributes stored as extended entity data the following two scripts are required These two files Showeed sp and Showeed dcl are contained in the EXE directory on the Ordnance Survey supplied CD ROM and should be placed in a directory in the AutoCAD preferences search string This should include the directory containing the map data files in DXF To utilise the scripts type the following at the AutoCAD command line prompt within a drawing session AutoCAD load showeed AutoCAD eedd Selecting a map feature will now display the allied attributes of that feature in a dialogue box To interrogate other features the Re Select option on the user dialogue box should be chosen The Cancel option will return the user to a normal AutoCAD session If the eedd command is repeated at the command prompt the facility will again be available to the user The visibility of extended entity data to software other than AutoCAD release 12 will be constrained by the functionality of those individual software applications Each feature is classified as belonging to a spe
104. nal if O e 0 0 0 0 0 0 0 0 e 0e 0e 0e O POLYLINE entities these consist of POLYLINE entity type group Layer name group Vertices follow flag X elevation Y elevation Z elevation Default starting width Default ending width A number of VERTEX entities SEQEND group 0 8 66 10 set to O 20 set to 0 30 40 optional if O 41 optional if O shown below 0 VERTEX entities these consist of VERTEX entity type group Layer name group X coordinate group Y coordinate group Z coordinate group Starting width Ending width Bulge Vertex flags Curve fit tangent 0 8 10 20 30 40 41 42 70 50 optional optional optional if O optional if O zz TZ optional e TEXT entities these consist of f EXTENDED entities these consist of e TEXT entity type group 0 e Application name 1001 e Layer name group 8 e Control string 1002 e X coordinate group 10 e String 1000 one or more e Y coordinate group 20 e Control string 1002 e Z coordinate group 30 e Text height group 40 e Text value 1 e Rotation angle group 50 optional if 0 e Relative X scale factor 41 optional if 1 e Oblique angle 51 optional if O e Text style name 7 optional e Text generation flags 71 optional if O e Horizontal justification type 72 optional if O e Vertical justification type 73 optional if O Figure 9 12 Level 2
105. ne o datada 69 P intand see 69 Name detalla a ect 70 Chapter 7 Chapter 8 NOG Ta ears anita 71 Data SUPPLY SIFUCEU ini li dd 72 Record structures tor the transter of Strategi in NTF ssssiigscadscesivogsiiiancedandanvdencs neneassan oodvaenrendsea ire aiiin iaa A a 13 IN TIE TECOS Re EE NES RER inE coo dias o canti 73 Volume Header Record VOLHD REG Olas A en ne adic enna iva ees 74 Database Header R cord DBAREC 02 ssis neina aeaa ds nkasdabauaadansundddnawan ates area EE A TEA Ea ERTER AREE ds 75 Feature Classification Record FEATCLASS Dicc daa Eae AAE ENE me 76 Section Header Record SECHREC 07 coronan RR RRA RARE RRA Rea Ran errar en ran canas 77 Attribute Record ATTREC 14 ocinnnnicionnnionininicconncn arc nr 79 PointiR cord ROINTREC iaa O A ea he ase ane aaa 83 Node Record NODEREC TO iaa a re dations 84 Geometry Record GEQMETRY 1 29 us ai in tico 86 Line Re Cord ILINEREC ASS RS exite dile ne a an a Lan ns D a ctu te a savant tees 88 Attribute Description Record ATTDESC 40 54 cgeacedsacedapesanessnds sansands dd arm e AO AS ER naines EA 89 Text Record TEXTRECJ AS ui ad dia 91 Text Position Record LTEXTROSI 44 iii a el noe ada 92 Text Representati n Record TEXTREP 4S cita di a 93 Volume Terminator Record VOLTERM Mininnicinnicnnocnincononncninnn narco R RR Ran nn ran rr ESEE ESEE EE 94 LIE SOA Ae PO COP ROO qecauac ates taes qevdnces iecaused geedcaus E quusuaet E E E E qadiaan ocenn 95 IFO CU CUO ai
106. nique OTHERTEXT_T FC5046 National Park Forest Park Graphic Text Unique OTHERTEXT_T FC5049 PRD Village Graphic Text Unique OTHERTEXT_T FC5060 Geographical Area Graphic Text Unique OTHERTEXT_T FC5061 Large Hills and Ranges Graphic Text Unique OTHERTEXT_T FC5062 Hills Islands and Rocks Graphic Text Unique OTHERTEXT_T FC5081 Roman Antiquity Graphic Text Unique OTHERTEXT_T FC5082 Non Roman Antiquities Graphic Text Unique OTHERTEXT_T FC5090 Spot Height Value Graphic Text Unique OTHERTEXT_T FC5107 Road Distance Marker Primary amp A Unique TRANSPT_P FC5108 Road Distance Marker Motorway Unique TRANSPT_P FC5109 Dual Junction Graphic Text Divider Line Single TRANSTEXT_P FC5110 Coastline Single COASTLINE_L FC5115 Sea Seed below Mean High Water Single SEEDS_P FC5120 Foreshore Sand outer limit Unique FORESHORE_A FC5121 Foreshore Sand Seed Single FORESHORE_P FC5122 Foreshore Other outer limit Unique FORESHORE_A FC5123 Foreshore Other Seed Single FORESHORE_P Feature code Description Symbol Legend FC5140 Lighthouse in use Unique WATERFT_P FC5141 Lightship Unique WATERFT_P FC5142 Lighthouse disused Unique WATERFT_P FC5200 Unspecified Node Single SEEDS_P FC5211 River Primary Source Single RIVER _L FC5212 River Primary Middle Single RIVER _L FC5213 River Primary Lower Single RIVER _L FC5221 River Secondary Source Single RIVER_L FC5222 River
107. nsferred in Level 3 as variable length records An overview of the data structure of a Strategi data file is shown in diagrammatic form on pages 63 and 64 The convention used for the diagrams is in the industry standard adopted for Jackson Structured Programming JSP The British Standard for NTF stipulates the following for Level 3 This level supports a variety of data models that may include network data polygons semantic relationships and complex features for example a school consisting of its buildings boundaries playing fields This level is designed for e Transferring basic geometry and simple features through the use of geometry and feature records e Relating basic geometrical and topological elements to one or more features through the use of chain polygon and complex line records e Combining features to form complex features through the use of collection and complex polygon records e Using text records both to relate text strings to features and cartographic output e Referencing and positioning external features for example raster data The record structure at this level may also be defined to be compatible with data in Levels 1 and 2 Chapters 6 and 7 should be read in conjunction with chapters 1 2 and 3 which describe the structure and content of Strategi The governing body for the industry standard NTF is the British Standards Institution BSI Their address is 389 Chiswick High Road LONDON W4
108. nt customs facilities where no prior notification is necessary Wind powered generator Windmill Heliport Public telephone Motoring organisation telephone Theme park open to the public Abbey cathedral priory open to the public Camp site Caravan site Golf course Ordnance Survey Linetype CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS Entity INSERT INSERT POLYLINE INSERT POLYLINE INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT Colour WHITE WHITE YELLOW YELLOW GREEN WHITE WHITE WHITE WHITE RED GREEN WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE me Block HILLFORT BATTLE SEEDPOINT MAST PHONEDOT LANDOT AIRCUST AIRNOCUST AIRCUST WINDGEN WINDMILL HELIPORT PUBTEL MOTTEL THEMEPK ABBEY CAMP CARAVAN GCOURSE Strategi user guide chapter 8 v6 0 3 2003 O crown copyright Page 108 AAA Feature code G8065864 G8065865 G8065866 G8065867 G8065868 G8065869 G8065870 G8065871 G8065873 G8065874 G8065875 G8065876 G8065877 G8065878 G8065879 G8065880 G8065881 G8065882 G8065883 G8065884 Feature name Museum open to the public Picnic si
109. ode G8065123 Foreshore other and offshore rocks exposed at CONTINUOUS INSERT CYAN SEEDPOINT Un low water seed 68065140 Lighthouse in use A in use CONTINUOUS INSERT O BLUE LHINUSE G8065141 Lightship CONTINUOUS INSERT BLUE LIGHTSHIP G8065142 Lighthouse disused CONTINUOUS INSERT BLUE LHDISUSE G8065200 Unspecified node CONTINUOUS INSERT MAGENTA CIRCLE small G8065211 River primary source CONTINUOUS POLYLINE CYAN Ps G8065212 River primary middle CONTINUOUS POLYLINE CYAN Ps G8065213 River primary lower CONTINUOUS POLYLINE CYAN Ps G8065221 River secondary source CONTINUOUS POLYLINE CYAN Ih neal G8065222 River secondary middle CONTINUOUS POLYLINE CYAN Ps G8065230 River other and drains CONTINUOUS POLYLINE CYAN Ps G8065241 Canal tunnel DASHED POLYLINE CYAN Ps G8065242 Canal over CONTINUOUS POLYLINE CYAN Sa G8065243 Canal tunnel end symbol CONTINUOUS INSERT CYAN C TUN E 68065250 Inland water outer limit CONTINUOUS POLYLINE CYAN Ps G8065251 Inland water seed continuous INSERT CYAN SEEDPOINT G8065300 Motorway under construction DASHED POLYLINE BLUE G8065301 Motorway under construction over DASHED UN POLYLINE BLUE Po G8065302 Primary route dual carriageway under construction DASHED _ POLYLINE GREEN Oo Ordnance rags Strategi user guide chapter 8 Survey TT al _ V6 0 3 2003 crown copyright iS Page 101 r WL
110. ontains a continuation mark the penultimate character of the record in NTF to indicate whether more data is to be found in a continuation record continuation record A specific NTF term A continuation record is used where space does not allow one logical record to be contained wholly within one physical record conventional archive Map information stored in non digital form for example on paper The conventional archive exists in a very wide range of formats that reflect differences in the methods used to gather the information differences in the product items that are produced from the archival information and also differences in production techniques that have been adopted over the years coordinate pair An X and Y value measured with reference to Cartesian axes In mapping a coordinate pair normally consists of an easting and a northing copyright Copyright is a legal property right that enables the creator of an original work to protect it from unauthorised use Through the Copyright Designs and Patents Act 1988 Crown copyright continues to subsist in all Ordnance Survey products until the end of the period of 50 years from the end of the year in which they were published and in the case of digital data from the end of the year in which it was extracted from the Ordnance Survey database Crown copyright is vested in The Controller of Her Majesty s Stationery Office who has delegated powers to the Director General Ordnance Survey fo
111. or example motorways shp must have a legend file called motorways avl Structure as MID MIF see chapter 10 Drawing content and format as MID MIF also see chapter 10 Symbology table Feature code Description Symbol Legend FC5006 NPR Destination Town Graphic Text Unique OTHERTEXT_T FC5016 Other Graphic Text Unique OTHERTEXT_T FC5020 Water Feature Graphic Text Unique OTHERTEXT_T FC5025 PRD City Graphic Text Unique OTHERTEXT_T FC5026 NPR Destination City Graphic Text Unique OTHERTEXT_T FC5031 Motorway Number Graphic Text Unique TRANSTEXT_T FC5032 Primary Route Number Graphic Text Unique TRANSTEXT_T FC5033 A Road Number Graphic Text Unique TRANSTEXT_T FC5034 B Road Number Graphic Text Unique TRANSTEXT_T FC5036 Road Distance Motorway Graphic Text Unique TRANSTEXT_T FC5037 Road Distance Primary amp A Graphic Text Unique TRANSTEXT_T FC5038 Toll Graphic Text Unique TRANSTEXT_T FC5039 Ferry Annotation Graphic Text Unique TRANSTEXT_T FC5040 NPR Village Graphic Text Unique OTHERTEXT_T Feature code Description Symbol Legend FC5041 PRD Town Graphic Text Unique OTHERTEXT_T FC5042 Mway Junc No Full Access Graphic Text Unique TRANSTEXT_T FC5043 Mway Junc No Ltd Access Graphic Text Unique TRANSTEXT_T FC5044 Tourist Feature Graphic Text Unique OTHERTEXT_T FC5045 Long Distance Footpath Graphic Text U
112. or point features A full listing of individual features is given in chapters 6 and 8 for NTF and DXF respectively Each feature has two components e feature position and e attribute data Each feature recorded in Strategi should be considered as a DXF entity Line features are recorded as DXF line s or polyline s Point features will be recorded in the data as INSERT BLOCKS Certain standard symbols are defined in the BLOCKS section of the data file Attributes are stored as extended entity data Lines and points Real world geographical features are represented in the digital map data as geometric structures of lines and points Each line or point has a geometric and attribute component The geometric component defines the positional characteristic of the feature and implicit relationships exist between the lines and points based on relative position The attribute component defines the descriptive characteristics of the feature Points may exist independently of lines An example of a geometric structure is shown in figure 2 3a Figure 2 3a A geometric structure of lines and points and nodes Figure 2 3b The same geometric structure as map features Seed Point O Node l Lines and points from the geometric structure become features when a meaning the feature code has been added for example roads are created from lines or settlements from points In figure 2 3b e Point
113. ords Description in NTF TEXTREC TEXTPOS TEXTREP GEOMETRY1 ATTREC Text details are only given when a name has been cartographically positioned The Attribute Record ATTREC contains the definitive name and is pointed to by the Text Record TEXTREC The Text Record points to the Attribute Record ATTREC and also points to the Text Position Record TEXTPOS The Text Position Record refers back to the Text Record and points to the Geometry Record containing the coordinates of the digitised position The Text Position Record also points to the Text Representation Record TEXTREP which contains the standard digitising position and orientation of the text All other names are held as attributes only Node detail Node feature Each node feature is depicted by the use of the following records Description in NTF NODE RECORD NODEREC NODE CONTINUATION RECORD GEOMETRY1 POINTREC ATTRIBUTE RECORD ATTREC Records Node record transfers details of the bearings and number of lines that meet at a point or node The Node Record contains references to each Line Record that meets at that node and to the Geometry Record The Geometry Record is referenced by the Point Records containing the feature attributes of the node Where lines do not meet at a previously specified point feature a special point feature with an attribute FC of 5200 unspecified node is created The Node Record can contain
114. orrespondence between the real world and the specified data content During digitising all source data is checked against source documents to ensure conformance to specification Chapter 5 The National Grid Strategi features are identified by a National Grid reference relative HP to the National Grid origin The National Grid divides Great Britain into squares 100 km by 100 km Each of the squares has a unique two letter reference for example HY in the diagram alongside To convert the absolute coordinates given in Strategi data to a 100 m grid reference use the first number of the x and y N i coordinates to determine the reference letter in the example below Le SR 03 and 10 equate to HY and add this to the combined second third NF NG NH NJ INK and fourth coordinate numbers For example o8 QE j absolute x coordinate 03234444 5 TA TH y4 an NRINS NT NU 06 absolute y coordinate 10678888 NW NX NY NZ 05 equate to HY234678 ANA SC SD SE_ A id Pe E SH SJ SK TF TG TEA SO SP TL TM 02 4 ls T TR 01 Be SV sw sx SY SZ TV O Crown copyright Chapter 6 NTF explained Note For convenience BS 7567 NTF v2 0 Level 3 is referred to as NTF An overview of Strategi in NTF Strategi data is supplied in the British Standard national format common to most of Ordnance Survey s digital map data products namely NTF and is tra
115. phic text Water feature graphic text Primary route destination City graphic text NonTextprimary route destination City graphic text Motorway number graphic text Primary route number graphic text A road number graphic text B road number graphic text Road distance mileage motorway graphic text Road distance primary and A graphic text Toll graphic text Ferry annotation graphic text NonTextprimary route village graphic text Primary route destination town graphic text Linetype STANDARD CONTINUOUS STANDARD CONTINUOUS STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD STANDARD Entity TEXT INSERT TEXT POLYLINE TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT TEXT Colour WHITE WHITE WHITE WHITE WHITE WHITE CYAN GREEN WHITE BLUE GREEN RED ORANGE WHITE WHITE WHITE ORANGE WHITE GREEN ST_FOOTNO rdnan a Strategi user guide chapter 8 a Pye y _ v6 0 3 2003 O crown copyright P fes PA L Page99 Feature code G8065042 G8065043 G8065044 G8065045 G8065046 G8065049 G8065060 G8065061 G8065062 G8065081 G8065082 G8065090 G8065107 G8065108 G8065109 G8065110 G8065115 G8065120 G8065121 G8065122 Feature name Motorway junction number full access graphic text Motorway junction number limited access graphic text
116. pturing storing checking integrating analysing and displaying data that is spatially referenced to the Earth This is normally considered to involve a spatially referenced computer database and appropriate applications software geographical coordinates These are coordinates usually expressed as latitudes and longitudes which define position on the Earth s surface geometric data Data about position within an absolute or relative coordinate system geometric structure The relationships implied or explicit between the points and lines and text forming the dataset and representing the real world Global Positioning System GPS A system of coordinating a ground position in three dimensions using radio transmissions from a pattern of US defence satellites grid The planimetric frame of reference for example the National Grid header See map header indicator See seed or seed point junction A connection between two or more links at a common node Junctions may be X junctions or T junctions kilobyte Kb 1 024 bytes a measure of data storage capacity line A series of connected coordinated points forming a simple feature with homogeneous attribution line feature The spatial abstraction of an object in one dimension Lines may intersect with other lines They are defined as a series of two or more coordinate pairs and may be curved or straight Curved lines consist of a series of very short straight line segments
117. que TRANSPT_P FC5531 Level Crossing on Unclassified Road Unique TRANSPT_P FC5610 Wood Forest outer limit Single WOODLAND_A FC5611 Wood Forest Seed Single WOODLAND_P FC5612 Marsh Unique WATERFT_P FC5620 Geographic Area Attribute Point Unique LANDUSE_P FC5621 Island Area Attribute Point Unique LANDUSE_P FC5710 National Boundary Unique ADMIN_L FC5715 National Primary Attribute Point Single ADMIN_P FC5720 County Boundary Unique ADMIN_L FC5721 County Name Graphic Text Single ADMINTEXT_T FC5725 County Primary Attribute Point Single ADMIN_P FC5730 District Boundary Unique ADMIN_L FC5731 District Name Graphic Text Single ADMINTEXT_T FC5733 District Primary Attribute Point Single ADMIN_P Feature code Description Symbol Legend FC5734 Administrative Detached Attribute Point Single ADMIN_P FC5740 Unitary Boundary Unique ADMIN_L FC5741 Unitary Name Graphic Text Single ADMINTEXT_T FC5744 Unitary Primary Attribute Point Single ADMIN_P FC5750 Associated Area Boundary Unique ADMIN_L FC5805 Camping and Caravanning Combined Site Unique TOURIST_P FC5806 Park and Ride Unique TOURIST_P FC5810 Roman Road Single LANDUSE_L FC5812 Antiquity Line Detail dyke wall and so on FC5815 Hill Fort Unique LANDUSE_P FC5816 Battlefield Unique LANDUSE_P FC5820 National Park Forest Park Single NATPARK_A FC5821 National Park Forest Park Attrib Point Single NATPARK_P FC5825 Long Distance
118. r construction Line Pen 35 4 45056 x 5303 Primary Route D C way under const over Line Pen 35 4 45056 x 5321 Primary Route Dual Carriageway planned Line Pen 35 5 45056 x 5355 Roundabout Primary Route Dual Carriageway Symbol Symbol 34 45056 6 x 5323 Primary Route Single Carriageway Line Pen 35 2 45056 x 5325 Primary Route S C way over other feature Line Pen 35 2 45056 xX 5304 Primary Route S C way under construction Line Pen 30 9 45056 x 5305 Primary Route S C way under const over Line Pen 30 9 45056 x 5324 Primary Route S Carriageway planned Line Pen 30 11 45056 x 5375 Roundabout Primary Route Single C way Symbol Symbol 34 45056 6 x 5326 Primary Route Narrow Line Pen 25 3 45056 x 5327 Primary Route Narrow over other feature Line Pen 25 3 45056 x 5373 Primary Route tunnel Line Pen 25 10 45056 x 5360 Service station full access Font Symbol Symbol 34 5278719 9 MapInfo Symbols 16 0 x 5361 Service station limited access Font Symbol Symbol 34 5278719 9 MapInfo Symbols 256 0 x 5378 Multilevel Junction under construction Font Symbol Symbol 41 45056 8 MapInfo Symbols 257 0 x 5379 Multilevel Junction full access Font Symbol Symbol 63 57344 8 MapInfo Weather 16 0 x 5389 Multilevel Junction limited access Font Symbol Symbol 63 57344 8 MapInfo Weather 256 0 x 5392 Service Station non 24 hour primary and Font Symbol Symbol 34 57344 7 MapInfo Symbol 16 0 x A roads only
119. r the administration of copyright in publications and data including the determination of rules and terms under which permission for their reproduction is given currency An expression of the up to dateness of data data A representation of facts concepts or instructions in a formalised manner suitable for communication interpretation or processing data capture The encoding of data In the context of digital mapping this includes map digitising direct recording by electronic survey instruments and the encoding of text and attributes by whatever means data format A specification that defines the order in which data is stored or a description of the way data is held in a file or record data point A coordinate pair that defines the position of a point feature or one of a series of coordinate pairs that defines a line feature data quality Attributes of a dataset that define its suitability for a particular purpose for example completeness positional accuracy currency logical structure and so on data structure The defined logical arrangement of data as used by a system for data management a representation of a data model in computer form data transfer medium This is the means by which computer files are transferred from one computer to another Transfer media may be subdivided into communications media and physical media data type This defines the structure of a data item This in turn determines the range of values
120. ransit Station Line GS FM DE 5522 Rapid transit line Rapid Transit Line Line DE 5523 Rapid transit line over Rapid Transit Line over Line DE 5524 Rapid transit tunnel Rapid Transit Tunnel Line DE 5525 Rapid transit line U C Rapid Transit Line U C Line DE 5530 Level crossing on classified road Level Crossing on Classified Road Point GS DE OR 5531 Level crossing on unclassified road Level Crossing on Unclassified Road Point GS DE OR 5610 Wood forest outer limit Wood Forest outer limit Line DE 5611 Wood forest seed Wood Forest Seed Point DE RB 5612 Marsh Marsh Point DE 5620 Geographic area attribute point Geographic Area Attribute Point Point FM DE RU 5621 Island area attribute point Island Area Attribute Point Point FM DE RB 5710 National boundary National Boundary Line DE 5715 National primary attribute point National Primary Attribute Point Point FM DE RU oS Feature code 5720 5721 5725 5730 5731 5733 5734 5740 5741 5744 5750 5805 5806 5810 5812 5815 5816 5820 5821 5825 5835 5837 5838 5839 Feature name County boundary County name graphic text County primary attribute point District boundary District name graphic text District primary attribute point Administrative detached attribute point Unitary authority boundary Unitary authority name graphic text Unitary authority primary attribute point Associated area boundary Camping and caravanning combine
121. rmat A format designed in 1988 specifically for the transfer of spatial information Administered by the British Standards Institution BSI its present version 2 0 conforms to BS 7567 see also DXF orientation Orientation of a point or a text feature measured in degrees anticlockwise from grid east origin The zero point in a system of rectangular Cartesian coordinates pecked line A line drawn on a map as a series of dashes for example physical record In NTF a physical record may be fixed length in which case it contains 80 characters or variable length which contains up to 80 characters point A zero dimensional spatial abstraction of an object represented as a coordinate pair point and line data structure A form of vector data structure designed for map production in which all map features are designated as points or lines or text Point and line data does not carry the topological relationships between features point feature A zero dimensional spatial abstraction of an object with its position defined by a coordinate pair Points may also be represented by symbols which may have attributes such as orientation and size polygon Polygons are representations of areas A polygon is defined as a closed line or perimeter that completely encloses a contiguous space and is made up of one or more links At least one node occurs on the perimeter of a polygon where the bounding link completes the enclosure of the area
122. ry the index files will be persistent and remain after your ArcView session is complete If you do not have write access to the source data directory they will be removed when you close the project or exit ArcView The native shapefile format used by ArcView GIS does not support text thus any text files converted into shapefile format will become a coverage of points In order to display cartographic text in ArcView including orientated text it is necessary to translate the data into Arcinfo Interchange Format E00 and then use the Import 71 utility supplied with ArcView to convert the text data into an ARC coverage ArcView will display shapefiles and ARC coverages with a random point line region text style each time they are opened ArcView legend files can therefore be created to enable the data to be displayed with the same symbology whenever it is displayed When using a legend file it is possible to display the features in a theme based on one of the theme s attributes this essentially creates a thematic or unique values map In a unique values map a different colour is used to symbolise each value in an attribute Please see the table below for an overview of how the different features in Strategi are displayed all themes using unique value legends will be displayed according to their feature code attribute In order for the legend files to work they must have the same filename as the shapefiles to which they correspond f
123. s facilities heliport hotel oil refinery and so on Water features river lake loch reservoir bay sea ocean and so on Tourist feature Ferry annotation National trails long distance path and route National park forest park Spot height values Antiquities Roman AD43 AD420 non Roman County name Unitary authority name District name Feature code 5060 5061 5062 5016 5020 5044 5039 5045 5046 5090 5081 5082 5721 5741 5731 Font Helvetica Narrow Oblique Helvetica Bold Oblique Helvetica Narrow Oblique Helvetica Narrow Helvetica Narrow Oblique Helvetica Light Helvetica Helvetica Bold Helvetica Bold Helvetica Light Helvetica Light Zapf Chancery Bold Helvetica Helvetica Helvetica Includes all cartographically positioned names from the Road Map series previously Travelmaster Names have been transferred in their stored map positions In addition an extra 3 000 names have been included that did not appear on the Travelmaster series The font and point size of the text is transferred which enables the user to define the appearance of the text Ordnance Survey convention for the digitising of names is as follows all names are digitised as point features given as X and Y National Grid coordinates The point has been digitised relative to the map feature it describes and the actual point will represent one of the standard positions as illustrated in figure 3 1 on the next page
124. s use Business use is defined as actions related to business decision making or as part of day to day operations associated with the running of your business or organisation No part of this document may be copied or incorporated in products services or publications you generate for onward sale or as free promotional or support material without the prior written permission of Ordnance Survey Printing this user guide Trademarks If you wish to print this user guide it is suggested that it is bound on the left side Ordnance Survey the OS Symbol Land Line Landranger Strategi and Travelmaster are registered trademarks and Routemaster is a trademark of Ordnance Survey the national mapping agency of Great Britain Arcinfo ArcView and ESRI are registered trademarks of Environmental Systems Research Institute Inc Arial and Corsiva are registered trademarks and Times New Roman is a trademark of The Monotype Corporation AutoCAD and Autodesk are registered trademarks and DXF is a trademark of Autodesk Inc GEOPLAN is a registered trademark of Yellow Marketing Information Ltd Helvetica is a registered trademark of Heidelberger Druckmaschinen AG MapInfo is a registered trademark of MapInfo Corporation Contents Chapter 1 Chapter 2 Chapter 3 A RRE O 10 Using this User JUE A eo 10 Strat di an intro dUCHO Nesse a E E E rte ane an ade sans antenne name an tant ele tam te in lee fente inerte 11 A LEA ES ER sock encsvsadossnni
125. se adic Secatitecie da darantee haancban renin E E iiceeay dana netbeans elon codec wed eas eecaande Uda aoe apna abe ds MUneedm edule cnaaees 95 Anroverview of Strategiin DXF irsinin i ae n n A ei 96 Data EXChange Format DXF pira 96 Structure of Sirategi in DF anida aces arab aaa A a ibep dede add dde pei 96 Feature tepresentallO Mas css nal pare 97 LISTE UE it E a eae 97 O 97 Name alrededor 97 information Specific to DXF saes ad aa 98 Coordina SYSE Ni epar enake A 98 His A A WS Nee a ade anaes 98 WAV MMS o ii iaa 98 a en at te tee 98 COS doo Re in nt te D eae errr ee rer ate 98 COPY Olas a as 98 SES NB ENS riot aca 99 Chapter 9 Chapter 10 Chapter 11 Appendix A Appendix B Appendix C Appendix D DAF Tile ES AO LE LU LEE ISA LES UE 10 lucirse nadaa TM A e a a a way araa e re e a a a E e E e e a EES 111 Bata SU TO UE es ean one e e esaa a a a EE E r aa E a E E E 112 A NA 113 O E E NS 114 A absnatetfegsiosc N EEA S E natn deesea te pegaaged EE r A E PN AA EEEa ESA a E NE EA NS 123 Entities SOC aria O SNA c 125 An OVERVIEW OR Strategi la MI Mi se 2 sesscenctesecoczcnestdidanetcasteinesduadecnsdsdteneatatvbactatddhaseivs a aa aa Aeran a Mewasecesnanien 133 Strategi is available in Mid Mif Si ends ecee sees nn rr en re aan na nanrcnas 133 Structure of Strategiin MADINO oa tn tn EA st A tn re es ne Retard anna eee 134 NS 134 Area features caia ti ia 134 NE A te red ne ta ed nn ee da ea een nee ns 1
126. spring tides in Scotland mean low water springs MLW or MLWS Depiction of limits of tidal waters at mean lowest ebb spring tides in Scotland megabyte Mb 1 048 576 bytes a measure of data storage capacity Mid Mif Mid is a MapInfo database and Mif is a MapInfo Interchange which is an ASCII file format and is used for export Tabular data is held in a file with a mid extension and graphic data is held in a file with a mif extension Mif files can be translated into other formats and used with other programmes name or text feature The proper name or label of an object real world or feature object abstraction consisting of one or more text strings A name position is defined by a coordinate pair National Grid The metric grid on a Transverse Mercator projection used by Ordnance Survey on all post war mapping to provide an unambiguous spatial reference in Great Britain for any place or entity whatever the map scale neatline The outer grid lines forming the boundary of the map sheet node An object representation of a point that either does not form any part of a link isolated node or polygon seed point or is the representation of a point at the start or end of a link terminating node The position of a node is defined by a single coordinate pair which is repeated within all links logically connected at that node and or containing it northings See rectangular coordinates NTF National Transfer Fo
127. t as ana dede OT 185 DCE THEN LEE UD ILE o In dagehdecuctatiac geisctunde Ea a E aE tes 185 Ferry SAN UOTE te en ee ia 185 National trails long distance path and route siennes 185 NE 185 SOL NEIONEVAIL S ia did aos rase PR D 185 ANU LES aE A PENTa E ENEO desu tae OEE OE EEN aN 186 COUNTY IMIS re aa 186 Untan auton Names a e e a a ae a Eaa E E E de ee 186 Dare AE E E O 186 Other codes Misco sn irusta aa aa a a aa a A aa aa iaaa aiai aiai 186 Chapter 1 Introduction Using this user guide This chapter and chapter 2 provide an introduction to Strategi describe the data structure and illustrate potential uses Chapter 3 contains details of the content of the data These chapters are designed to enable users to make effective use of Strategi Please refer to the glossary if you are unfamiliar with the terms used For information on specific Strategi data formats please refer to chapters 6 to 11 of this user guide All aspects of Strategi discussed in this user guide relate to Strategi in both BS 7567 NTF v2 0 and DXF AutoCADO release 12 compatible formats If the two format versions differ in their treatment of a particular aspect the specific differences will be stated Icons as shown below will be used to denote these differences BS 7567 NTF For convenience BS 7567 NTF v2 0 level 3 is referred to as NTF in this user guide NTE DXF Data Exchange Format DXF is referred to as DXF in this user gui
128. t for Transport DfT are represented in the data and identified as dual carriageway single carriageway or narrow roads with passing places Please note however that for clarity a selection of classified roads have been omitted Vehicular ferries are included within the data and form part of the road network via links Roads are broken at junctions with other roads and at road classification changes Railway information includes all standard gauge railways and their associated infrastructure such as stations and tunnels However again please note that for clarity a selection of railway stations have been omitted Narrow gauge railways are included where space permits Water features Feature description Feature code Coastline natural man made and offshore rocks above mean high 5110 water MHW Sea area seed below MHW 5115 Foreshore area sand outer limit 5120 sand inner limit 5494 sand seed 5121 other outer limit 5122 other inner limit 5495 other seed 5123 River primary source 5211 middle 5212 lower 5213 River secondary source 5221 middle 5222 Feature description Feature code Other river and drains 5230 Canal normal 5240 over other feature 5242 tunnel 5241 tunnel end symbol 5243 Inland water lake reservoir loch pond shoreline and so on outer limits 5250 inner limit 5490 area seed 5251 Lighthouse in use 5140 disused 5142 Lightship 5141 Rivers and canals are broken at intersections and do not p
129. ta in NTF Volume Header Record VOLHDREC Database Header Record DBHREC Feature Classification Record FEATCLASS Attribute Description Record ATTDESC Section Header Record SECHREC Section body see Point and line features overleaf e Name detail e Node detail Volume Terminator Record VOLTERM Section body This comprises all the features within the tile that correspond to the feature types selected by you Point and line features Point feature Each point feature is depicted by the use of the following records Description in NTF POINT RECORD POINTREC GEOMETRY RECORD GEOMETRY1 ATTRIBUTE RECORD ATTREC Line feature Each line feature is depicted by the use of the following records Description in NTF LINE RECORD LINEREC GEOMETRY RECORD GEOMETRY1 GEOMETRY CONTINUATION RECORDS ATTRIBUTE RECORDS ATTREC Geometry records Geometry records contain the coordinate position s in metres of the feature Point features contain one coordinate pair line features contain two or more coordinate pairs Geometry continuation records are used where required X_COORDS Y_COORDS and QPLAN are treated as separate fields Name detail Each cartographically positioned name is depicted by the use of the following records TEXT RECORD TEXT POSITION RECORD TEXT REPRESENTATION RECORD GEOMETRY RECORD ATTRIBUTE RECORD Rec
130. te DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX DE TX Value Feature code 5062 5081 5082 5090 Feature name Named hills islands and rocks graphic text Roman antiquity graphic text AD43 AD420 Non Roman antiquities graphic text Spot height values Road distance marker primary and A Road distance marker motorway Dual junction graphic text divider line Coastline Sea seed below mean high water Foreshore sana outer limit Foreshore sand seed Foreshore other and offshore rocks exposed at mean low water outer limit Foreshore other and offshore rocks exposed at mean low water seed Lighthouse in use Lightship Lighthouse disused Unspecified node River primary source River primary middle River primary lower River secondary source River secondary middle River other and drains Canal Canal tunnel Canal over Canal tunnel end symbol Inland water outer limit Inland water seed Motorway under construction Motorway under construction over NTF abbreviated feature name Hills Islands and Rocks Graphic Text Roman Antiquity Graphic Text Non Roman Antiquities Graphic Text Spot Height Values Metric Imperial Road Distance Marker Primary 8 A Road Distance Marker Motorway Dual Junction Graphic Text Divider Line Coastline N
131. te Tourist information centre open all year Country park open to the public Youth hostel Nature or forest trail Zoo open to the public Preserved railway Craft centre open to the public Wildlife centre open to the public Aquarium open to the public Cave open to the public Castle open to the public Historic house open to the public Motor racing circuit Nature reserve Viewpoint limited Viewpoint 360 Other tourist attraction open to the public Ski slope ol Ordnance Survey Linetype CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS DASHED CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS CONTINUOUS Entity INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT Colour WHITE WHITE WHITE GREEN WHITE GREEN WHITE WHITE WHITE GREEN CYAN WHITE WHITE WHITE WHITE GREEN WHITE WHITE WHITE WHITE Block MUSEUM PICSITE TICA CTPARK YHOST NTRAIL ZOO PRESRLY CRAFTC WILDC AQUAM CAVE CASTLE HISHSE MRCIRC NATRES VIEW VIEW360 OTOURA SKISL Strategi user guide chapter 8 me v6 0 3 2003 crown copyright Page 109 Feature code Feature name Linetype Line Entity Colour Block G8065889 G8065890 G8065
132. tegi features as at a date that falls typically during the preceding July with major roads information advanced to the end of that year A replacement dataset for all Strategi data held under your contract will be supplied annually Accuracy and resolution Completeness The resolution of the coordinate system is 1 m However it is not possible to calculate meaningful accuracy limits for this data due to both the graphic nature and scale of the source 1 250 000 scale mapping Such mapping is subject to map generalisation information is cartographically represented in areas where accurate positional representation would cause confusing clutter on the map Features are selected and positioned according to a predefined specification criterion adjusting or omitting detail where appropriate Nevertheless the original data was digitised to an accuracy of 0 1 mm at scale of the line centre of the original document The shape of any feature is not altered within this tolerance When the original centreline is regenerated from the original data by joining coordinates with straight lines no point on the line should deviate from the original centre by more than 0 2 mm All updates of the data are carried out by an experienced cartographer using intelligence documents maintained by Ordnance Survey New data is input using best fit techniques and is subject to map generalisation as with the original data Completeness is a measure of the c
133. th LINEREC Field Position Format Value example Description REC_DESC 01 02 A2 21 GEOM_ID 03 08 16 015671 Sequential number of SEOMETRY 1 record starting at 000001 GTYPE 09 09 11 2 Line feature NUM_COORD 10 13 14 Number of coordinates pairs in the range 0002 9999 COORD 14 20 17 X coordinate Y_COORD 21 27 I7 Y coordinate QPLAN 28 28 A1 lt S gt Not used CONT_MARK R 11 0 No continuation record or 1 continuation record follows EOR 1 1 A1 Record terminator This record may contain many CONTINUATION 00 records variable integer Notes X_COORD and Y_COORD are given in metres from the origin of the National Grid X_COORD Y_COORD and QPLAN are repeated until NUM_COORD has been transferred Record example 210156712001500375900009990 00376400009940 00376800009840 00376400009740 1 0000376000009650 00376100009570 00376000009520 00375100009530 00374500009510 1 0000373600009510 00373000009560 00373300009670 00374700009840 00375100009950 1 0000375900009990 0 1 2 3 p 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template oS Line Record LINEREC 23 Field Position Format Value Description example REC_DESC 01 02 A2 23 LINE_ID 03 08 16 004804 Sequential number of LINEREC record starting at 000001 GEOM_ID 09 14 16 005369 Sequential number identifier of attached SEOMETRY1 record starting at 000001 NUM_ATT 15 16 12 01
134. ture 5347 Tunnel 5359 Minor roads over 4 m wide Normal 5350 over other feature 5351 roundabout 5374 tunnel 5353 Minor roads under 4 m wide Normal 5405 over other feature 5406 roundabout 5408 tunnel 5407 Dead end roads 5403 Dead end roads over 5404 Other track or road 5384 Other track or road over 5385 Additional road features Multilevel junction primary A B and minor roads 5379 full access 5389 limited access 5378 under construction Roundabout under construction all roads 5381 Gradient 1 in 7 14 or steeper primary A and B roads only 5380 Road tunnel end symbol all tunnels 5314 Toll bar all roads 5382 Feature description Services motorway primary routes and A roads full access limited access Services station non 24 hour primary and A roads only Railways Standard gauge over other feature Narrow gauge over other feature Railway tunnel Railway tunnel end symbol Railway line under construction Railway station Rapid transit station Rapid transit line Rapid transit line over Rapid transit tunnel Rapid transit line U C Level crossing classified roads unclassified roads Airport with customs no schedule flights without customs facilities with permanent customs facilities Heliport Ferries vehicular ferry route ferry route link National trails long distance path and route Feature code 5360 5361 5392 5510 All roads classified by the Departmen
135. ue example 0 1 Description 1 if the start of a line 2 if the end of a line GEOM_ID of linked feature Bearing measured clockwise from grid north of the first or last segment of the linked feature Relative levels of the links on the ground always 1 default for level features over information by feature code Description No continuation record or continuation record follows Record terminator Record example 1600289600480400042004921226012005034320011005035045011005210165010 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Geometry Record GEOMETRY1 21 GEOMETRY1 associated with POINTREC 15 and TEXTREC 43 Sequential number of GEOMETRY1 record starting Field Position Format Value example Description REC_DESC 01 02 A2 21 GEOM_ID 03 08 16 002199 at 000001 GTYPE 09 09 11 1 Point feature NUM_COORD 10 13 14 0001 Point has 1 coordinate pair X_COORD 14 20 I7 0039077 X coordinate Y_COORD 21 27 I7 0011067 Y coordinate QPLAN 28 28 A1 lt S gt Not used CONT_MARK 29 29 11 0 No continuation record EOR 30 30 Al Record terminator Note X_COORD and Y_COORD are given in metres from the National Grid origin Record example 210021991000100390770011067 0 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template GEOMETRY1 associated wi
136. umber of Point Record starting at 000001 GEOM_ID 09 14 16 004804 Sequential number of SEOMETRY1 record starting at 000001 NUM_ATT 15 16 12 01 ATT_ID 17 22 16 004804 Sequential number of ATTREC recora starting at 000001 If the point feature has no associated ATTREC then ATT_ID is set to 000000 CONT_MARK 23 23 11 0 No continuation record EOR 24 24 A1 Record terminator Record example 15000488004804010048040 1 2 3 4 5 6 7 8 12345678901234567890123456789012345678901234567890123456789012345678901234567890 Template Node Record NODEREC 16 Field Position REC_DESC 01 02 NODE_ID 03 08 GEOM_ID_OF_POINT 09 14 NUM_LINKS 15 18 Format A2 16 16 14 Value example 16 002896 004804 0004 Description Sequential number of Node Record starting at 000001 Identity of a SEOMETRY1 record containing the position of the node Number of links that meet at the node on Ordnance Survey 1 250 000 scale data the maximum is 9 The following fields are the detail pertaining to each link they are repeated as many times as the value of NUM_LINKS Node records with NUM_LINKS greater than 5 require a continuation record starting with 00 REC_DESC Field Position DIR 19 19 GEOM_ID_OF_LINK 20 25 ORIENT 26 29 LEVEL 30 30 At the record end Field Position CONT_MARK Li EOR 1 1 variable integer Format 11 A1 Value example 2 004921 2260 1 Val
137. ure name for example Southampton River Test Shows type of ferry for example boat or catamaran For example all year or seasonal Shows ferry destination Intelligence unique identifier for example 33596 Shows height as an imperial measurement Shows height as a metric measurement Identifies location for example on motorway primary non primary route Numbered feature for example M27 or junction number Used to describe the orientation of a point feature from grid east anticlockwise If absent the feature is not deemed to have an orientation Property owner for example ENGLISH HERITAGE Point bounded by line features for example a lake Restricted junction northbound Restricted junction southbound Restricted junction eastbound Restricted junction westbound Point not bounded by line features for example SOUTH DOWNS Restricted junction clockwise Restricted junction anticlockwise Graphic text associated with a name Indicates status for example under construction open 24 hours and so on Administrative area unitary authority name for example FIFE Attribute values for Strategi Feature Park and Ride Park and Ride Service station 24 hour Service station 24 hour Service station non 24 hour Service station non 24 hour Service station 24 hour Service station 24 hour Service station 24 hour Service station non 24 hour Service station non 24 hour S
138. x Water features Feature code Feature names Type Style Note 5020 Graphic Text Water Feature Text Font Times New Roman 2 5 255 1 x Tourist feature Feature code Feature names Type Style Note 5044 Graphic Text Tourist Feature Text Font Times New Roman 0 5 0 1 x Ferry annotation Feature code Feature names Type Style Note 5039 Graphic Text Ferry Annotation Text Font Arial 1 5 128 1 x National trails long distance path and route Feature code Feature names Type Style Note 5045 Graphic Text Long Distance Footpath Text Font Arial 2 5 8421504 1 x National Park forest park Feature code Feature names Type Style Note 5046 Graphic Text National Park Forest Park Text Font Times New Roman 1025 6 32896 1 x Spot height values Feature code Feature names Type Style Note 5090 Spot Height Values Text o _ ols Antiquities Feature code Feature names Type Style Note 5081 Graphic Text Roman Antiquity Text Font Monotype Corsiva 0 5 8421504 1 x 5082 Graphic Text Non Roman Antiquity Text Font Times New Roman 0 5 8421504 1 x County name Feature code Feature names Type Style Note 5721 Graphic Text County Name Text Font Arial 1026 8 32896 1 x Unitary
139. y Line Pen 25 2 16750640 x 5345 B Road Single C way over other feature Line Pen 25 2 16750640 x 5377 Roundabout B Road Single Carriageway Symbol Symbol 34 16750640 6 x 5346 B Road Narrow Line Pen 20 3 16750640 x 5347 B Road Narrow over other feature Line Pen 20 3 16750640 x 5359 B Road tunnel Line Pen 25 10 16750640 x Minor roads over 4 metres wide Feature code Feature name Type Style Note 5350 Minor Road over 4 m wide Line Pen 20 2 10526880 x 5351 Minor Road over 4 m wide over Line Pen 20 2 10526880 x 5374 Roundabout Minor Road over 4 m wide Symbol Symbol 34 0 5 x 5353 Minor Road over 4 m wide tunnel Line Pen 20 10 10526880 x Minor roads under 4 metres wide Feature code Feature name Type Style Note 5405 Minor Road under 4 m wide Line Pen 17 2 10526880 x 5406 Minor Road under 4 m wide over Line Pen 17 2 10526880 x 5408 Roundabout Minor Road under 4 m wide Symbol Symbol 34 0 5 x 5407 Minor Road under 4 m wide tunnel Line Pen 17 10 10526880 x 5403 Dead end Road under 4 m wide Line o 5404 Dead end Road over 4 m wide Line o 5384 Other Track or Road Line Pen 15 3 10526880 x 5385 Other Track or Road over other feature Line Pen 15 3 10526880 x 5381 Roundabout under construction Symbol Symbol 40 0 5 x 5380 Gradient 1 in 7 or Steeper Font Symbol Symbol 217 0 10 Wingdings 0 0 x 5314 Road Tunnel end symbol Font Symbol Symbol 113 0 8 M

Strategi user guide

Contents

Download Pdf Manuals

Related Search

Related Contents