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Strategi user guide: D05300_05

1. Feature Feature name Folder Type Style Note code 5090 Graphic Text Spot Height Values txtother Text Font Arial 1 0 16750848 D Antiquities Feature Feature name Folder Type Style Note code 5081 Graphic Text Roman Antiquity txtother Text Font Monotype X Corsiva 0 0 8421504 5082 Graphic Text Non Roman Antiquity txtother Text Font Times New X Roman 0 0 8421504 County name Feature Feature name Folder Type Style Note code 5721 Graphic Text County Name txtadmin Text Font Arial 1026 0 32896 X Unitary authority name Feature Feature name Folder Type Style Note code 5741 Graphic Text Unitary Name txtadmin Text Font Arial 1026 0 32896 X District name Feature Feature name Folder Type Style Note code 5731 Graphic Text District Name txtadmin Text Font Arial 1026 0 32896 X Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 61 of 72 Other codes miscellaneous Feature Feature name Folder Type Style Note code 5200 Specified Node seeds Font symbol Symbol 50 8421504 5 Maplnfo D Symbols 0 0 MIF file header information The MIF file header will conform to the following convention Version 450 Charset Neutral Delimiter CoordSys Earth Projection 8 79 m 2 49 0 99
2. 11 2013 Crown copyright Page 19 of 72 Chapter4 The National Grid Strategi features are identified by a National Grid reference HP relative to the National Grid origin Ah e The National Grid divides Great Britain into squares 100 km by HT HU 100 km Each of the squares has a unique two letter reference T for example HY in the diagram alongside HW HX HY HZ To convert the absolute coordinates given in Strategi data toa an v 100 m grid reference use the first number of the x and y NA NB NC ND coordinates to determine the reference letter in the example bd ar wy below 03 and 10 equate to HY and add this to the combined NF NG NH NI Nk second third and fourth coordinate numbers For example 08 EL 7 absolute x coordinate 03234444 y NL a it NO and NA NS NT NU 06 1067 L N absolute y coordinate 0678888 NWNXZNY NZ equate to HY234678 05 zi SC SD SE TA 91 Pork SH SJ SK TFG 03 SM_SN SO ep TL TM 02 MESEN AS B SR SS ST SU Om 01 ue SV SW SX SY SZ TV H 01 02 03 04 05 06 Strategi user guide chapter 4 v9 0 11 2043 Crown copyright Page 20 of 72 A Product 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 of this form and when completed post or fax it to the address below p00 el a gt Tu
3. 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 resolution of Strategi will support plotted or displayed output at a range of scales around the nominal scale of the source mapping NOTE plotting at too small a scale will result in a map of cluttered appearance with text too small to be legible Strategi user guide chapter 1 v9 0 11 2013 Crown copyright Page 7 of 72 A suggested output within 25 of a map s source scale of 1 250 000 should allow all data to be sensibly plotted or displayed This translates as 1 187 500 minimum or 1 312 500 maximum scales Strategi application overview Typical user scenarios Strategi is a national database of Great Britain and can form the geographic information base for use with a GIS Here are two examples Example 1 site research for a large scale multiple retail outlet Increasingly retail businesses are 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 an inferred m
4. 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 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 for 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 how up to date the data is 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
5. LAYER NAME GROUP Figure 5 8 Style table level 3 Key one or more o optional SUE ENDTAB DEFINTIONS GROUP The style table will contain the text file load instructions for e SIMPLEX SHX e MONOTEXT SHX Strategi technical specification chapter 2 v9 0 11 2018 Crown copyright Page 43 of 72 Figure 5 9 Level 4 Key one or more OBLIQUE ANGLE GROUP Blocks Figure 5 10 Level 2 STYLE STYLE STANDARD FIXED TEXT WIDTH GROUP NAME FLAGS HEIGHT FACTOR GROUP GROUP GROUP TEXT GEN FLAGS GROUP STYLE DEFINITIONS GROUP LAST HEIGHT USED GROUP FONT FILE NAME GROUP BIG FONT FILE GROUP Key one or more o optional SECTION START SECTION GROUP o BLOCKS SECTION ENDSEC GROUP Figure 5 11 BLOCKS GROUP Figure 5 11 Level 3 Key one or more BLOCK BASE TEXT GROUP BLOCK LAYER BLOCK GROUP GROUP NAME BLOCK BLOCK TYPE FLAG Z ENTITIES GROUP Strategi technical specification chapter 2 v9 0 11 2013 Crown copyright Page 44 of 72 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 Figure 5 12 Lev
6. 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 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 Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 65 of 72 Cartesian axes A Cartesian coordinate system identifies a point on a plane using a pair of numerical coordinates The point is identified when its perpendicular distance to the right of a vertical axis and it perpendicular distance above a horizontal axis are measured or known using the same unit of length cartography The organisation and communication of geographically related information in either graphic or digital form It 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
7. STRATEGI_AREA TXT STRATEGI RELEASE YYYY CHANGE TXT StrategiSymbols ttf Styling Guide doc STRATEGI YYYY GAZETTEER TXT GAZETTEER 3 _GB MID MIF DATA STRATEGI README TXT 1 This file is only relevant for Shape format but present in all orders This is the year of release 3 This indicates the Great Britain coverage This indicates the format of the data in this example MID MIF CD naming conventions The following convention will be adopted for labelling the CDs for example Strat MIGBN where Strat Strategi is the product identifier MI is the format and GBN is the region of coverage e MI MID MIF TAB SHP SHAPE or DXF Drawing Exchange Format e GBN Great BritainNorth GBS Great BritainSouth Strategi version numbering or specification The following gives details of the product specification 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 DXF release 12 Level Version 1 Issue date 1 January 1997 Strategi output options It requires software not provided by Ordnance Survey to display it on a screen or to plot it out as hard copy
8. code 5110 Coastline Natural coast Line Pen 17 2 4227327 X Sea area seed below MHW Feature Feature name Folder Type Style Note code 5115 Sea Seed below Mean High Water seeds Font symbol Symbol 50 255 6 MapInfo D Symbols 0 0 Foreshore area Feature Feature name Folder Type Style Note code 5120 Foreshore sand outer limit forshor Line Pen 1 2 0 o 5494 Foreshore sand inner limit Not used Line Pen 1 2 0 x 5120 Foreshore sand polygon forshor Polygon Pen 1 1 0 e Brush 2 16777104 16777215 5121 Foreshore sand seed Notused Symbol Symbol 49 0 12 X 5122 Foreshore other MLW exposed outer limit forshor Line Pen 1 2 0 o Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 54 of 72 Feature Feature name Folder Type Style Note code 5495 Foreshore other MLW exposed inner limit Not used Une Pen 1 2 0 x 5122 Foreshore other MLW exposed polygon forshor Polygon Pen 1 1 0 Brush 49 8421504 e 5123 Foreshore other seed Notused Symbol Symbol 49 0 12 D River primary Feature Feature name Folder Type Style Note code 5211 Main River Source rivers Line Pen 20 2 4243711 D 5212 Main River Middle rivers Line Pen 25
9. iieri eter ete ie terni Eege 49 Strategi is available in Mid Mif esssssssesessseseseeee eene nennen 49 Structure of Strategi in MapInfo esssssssssssssssss esent nennen nnne nennen nes 49 BIS IM A 49 Area TeatulGs 1 steck ege E refe sace E e efe DEO eK Ra IF Pdn CE IRRNDRraRud 49 Eu 49 Drawing content and Tomat 50 Coordinate Syslem it retos a aa aa daa Lei a ase aba aAa aaa 50 EVI IMMITTO DLL E 50 ING QUIN menn 50 GUA SE 50 GIG RTE 50 S WEE 50 MICU EE 50 1 Gommblvnicaliohs neret erae nre XR RR Ene po nee ERE eeu rk a SER RR rra ERR ago eO 51 2 Water EE 54 3 SSMS MSI Seege tee eese EES SERE Rb t iin p tk Ea REN EEGENEN 56 Strategi technical specification contents v9 0 11 2018 Crown copyright Page 22 of 72 Chapter 4 A Ae MBOUNOANCS ERR 56 SM Elie DE 57 6 Other features 57 7 Miscellaneous esssseeeeeI emen nene nnnnnnnnnnnn nnn nr untana Annn aa sr sanas sa daga assa sn dana 58 8 Geographic text 59 MIF file header information ern n nnne nnna 62 ARDUO PRO RR 63 An overview of Strategi in ESRI Shapetile eese 64 sunm 64 Shapefile AttriUtiOn TE 64 EILCCrnIpMe 65 v9 0 11 2013 Strategi techn
10. 2 4243711 D 5213 Main River Lower rivers Line Pen 30 2 4243711 X River secondary Feature Feature name Folder Type Style Note code 5221 Secondary River Source rivers Line Pen 20 2 4243711 D 5222 Secondary River Lower rivers Line Pen 25 2 4243711 X Other river and drains Feature Feature name Folder Type Style Note code 5230 Minor River rivers Line Pen 20 2 4243711 x Canal Feature Feature name Folder Type Style Note code 5240 Canal rivers Line Pen 15 2 65535 X 5242 Canal over other feature rivers Line Pen 17 2 65535 D 5241 Canal Tunnel rivers Line Pen 15 10 65535 X Inland water lake reservoir loch pond shoreline and so on Feature Feature name Folder Type Style Note code 5250 Lake other inland water outer limit lakes Line Pen 1 2 255 o 5490 Lake other inland water inner limit Not used Line Pen 1 2 255 X 5251 Lake other inland water seed Notused Symbol Symbol 49 4227327 12 X 5250 Lake other inland water polygon Not used Polygon Pen 12 2 65535 Brush e 2 11593215 16777215 Lighthouse Feature Feature name Folder Type Style Note code 5140 Lighthouse in use water_ft Font symbol Symbol 113 128 14 Maplnfo X Transportation 0 0 5142 Lighthouse disused water ft Font symbol Symbol 114 128 14 MapInfo X Transportation 0 0 RN Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 55 of 72 Lightship Feature
11. 5109 Road distance marker motorway 5108 Road distance marker primary and A road 5107 Text Feature description Feature code Primary route destination city 5025 town 5041 village 5049 city 5026 town 5006 village 5040 motorway 5031 primary route 5032 A road 5033 B road 5034 Dual junction divider line Motorway junction numbers full access 5042 limited access 5043 Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 17 of 72 Feature description Feature code Services text 5048 Toll 5038 Road distance mileage motorway 5036 primary and A road 5037 Road distance marker motorway 5108 primary and A road 5107 Geographic area names parks moors woodlands 5060 commons moors plains Large hills ranges and summits 5061 Named hills islands and rocks 5062 Other text airports without customs facilities heliports 5016 hotels oil refineries and so on Water features rivers lakes lochs reservoirs bays 5020 seas oceans and so on Tourist feature 5044 Ferry annotation 5039 National trails long distance path and route 5045 National Park forest park 5046 Spot height values 5090 Antiquities Roman AD 43 AD 420 5081 Non Roman 5082 County name 5721 Unitary authority name 5741 District name 5731 Includes all cartographically positioned names used for graphic output Names have b
12. 5221 middle 5222 Other river and drains 5230 Canal normal 5240 over other feature 5242 tunnel 5241 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 Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 13 of 72 NOTE e Rivers and canals do not pass through lakes and reservoirs e Adam or barrage is not distinguished from the shore e Foreshore detail is identified as sand or other which makes sand areas easily identifiable e Information on lighthouses and lightships is also included and is represented by a point feature e 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 Developed land use area Definition an area containing a concentration of buildings and other structures An isolated building within a remote area would also constitute a developed land use area Capture these areas must have a road of any classification connecting it to the road network If this road is not present it will not be captured An urban area greater than 1 square km is captured as a large urban area and an urban area less than 1 square km is captured as a small urban area An open area within an urban area less tha
13. 9 cerne PR EMT AGO I A ERROR Quotation or order reference ou cece cece cece eeeececcecesceeeeeeecececucuaeaueessceeeeuseaueussseeeseeseaeauauseeeeeueuaeaueesseeeeeueeaueneseees Please record your comments or feedback in the space below We will acknowledge receipt of your form within three 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 Strategi Product Manager Ordnance Survey Adanac Drive SOUTHAMPTON SO16 OAS If you wish to return it by fax please dial 44 0 8450 990 494 Any personal information that you supply with this report form will be used by Ordnance Survey only in the improvement of its products and services It will not be made available to third parties Strategi user guide annexe A v9 0 11 2013 Crown copyright Page 21 of 72 Strategi Technical specification Contents Section Page no Introduction 24 Purpose of this specification and dsclamer ec cceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeteneaeeeeeeeaees 24 Copyright in this specification ssssssssssssessseseseeeeeeen enne nennen senten nennen nes 24 Background information on the technical specification sese 24 gru ET 25 tee Mere sate eecteaenccy aed occa E at auavyat se satedeaGeanescessaueeasetaveecasydexetenes 26 guae E 27 Feature attribute data a retenti eet Enge tues Eege Pepe ue
14. A road narrow CONTINUOUS 1 POLYLINE RED G8065337 A road narrow over CONTINUOUS 1 POLYLINE RED G8065340 B road dual carriageway CONTINUOUS 2 POLYLINE ORANGE G8065342 B road dual carriageway over CONTINUOUS 2 POLYLINE ORANGE G8065343 B road single carriageway CONTINUOUS 1 POLYLINE ORANGE G8065345 B road single carriageway over CONTINUOUS 1 POLYLINE ORANGE G8065346 B road narrow CONTINUOUS 1 POLYLINE ORANGE G8065347 B road narrow over CONTINUOUS 1 POLYLINE ORANGE G8065350 Minor road over 4 metres wide CONTINUOUS 1 POLYLINE WHITE G8065351 Minor road over 4 metres wide over CONTINUOUS 1 POLYLINE WHITE G8065353 Minor road over 4 metres wide tunnel DASHED POLYLINE WHITE G8065355 Roundabout CONTINUOUS INSERT GREEN RBOUT primary route dual carriageway G8065356 Roundabout A road dual carriageway CONTINUOUS INSERT RED RBOUT G8065357 Roundabout B road dual carriageway CONTINUOUS INSERT ORANGE RBOUT G8065358 A road tunnel DASHED POLYLINE RED G8065359 B road tunnel DASHED POLYLINE ORANGE G8065360 Service station full access CONTINUOUS INSERT BLUE SERVICES G8065361 Service station limited access CONTINUOUS INSERT BLUE SERV LTD G8065370 Motorway junction full access CONTINUOUS INSERT BLUE JUNCTION G8065371 Motorway junction limited access CONTINUOUS INSERT BLUE JUNCTION G8065372 Motorway junction under construction CONTINUOUS INSERT WHITE JUNCTION G8065373 Primary route tun
15. Entity Colour Block G8065398 10 km grid line CONTINUOUS POLYLINE BLACK G8065403 Dead end road generally under 4 m wide CONTINUOUS POLYLINE WHITE G8065404 Dead end road generally under 4 metres CONTINUOUS POLYLINE WHITE wide over G8065405 Minor road under 4 metres wide CONTINUOUS POLYLINE WHITE G8065406 Minor road under 4 metres wide over CONTINUOUS POLYLINE WHITE G8065407 Minor road under 4 metres wide tunnel DASHED POLYLINE WHITE G8065408 Roundabout minor road under 4 metres DASHED INSERT WHITE RBOUT wide G8065413 Town attribute point CONTINUOUS INSERT GREEN SEEDPOINT G8065416 Village attribute point CONTINUOUS INSERT WHITE SEEDPOINT G8065419 Landmark attribute point CONTINUOUS INSERT WHITE SEEDPOINT G8065420 Large urban area outer limit CONTINUOUS 3 POLYLINE GREY G8065421 Large urban area seed CONTINUOUS INSERT GREY DLUASEED G8065422 Small urban area outer limit CONTINUOUS 3 POLYLINE GREY G8065423 Small urban area seed CONTINUOUS INSERT GREY DLUASEED G8065427 City attribute point CONTINUOUS INSERT WHITE SEEDPOINT G8065490 Inland water inner limit CONTINUOUS POLYLINE CYAN G8065491 Wood forest inner limit DASH DOT 1 POLYLINE GREEN G8065492 Large urban area inner limit CONTINUOUS 3 POLYLINE GREY G8065493 Small urban area inner limit CONTINUOUS 3 POLYLINE GREY G8065494 Foreshore sand inner limit CONTINUOUS 1 POLYLINE YELLOW G8065495 Foreshore other and offshore rocks CONTINUOUS 1 POLYLINE CYAN exposed a
16. Feature name Folder Type Style Note code 5141 Lightship water ft Font symbol Symbol 106 128 12 MapInfo X Transportation 0 0 3 Settlements Settlement attribute points Feature Feature name Folder Type Style Note code 5427 City Attribute Point settlmnt Symbol Symbol 32 16776960 9 X 5413 Town Attribute Point settlmnt Symbol Symbol 32 16776960 8 X 5416 Village Attribute Point settlmnt Symbol Symbol 32 16776960 6 X 5419 Landmark Attribute Point settlmnt Font Symbol 112 128 8 MaplInfo Cartographic 0 0 X symbol Urban area Feature Feature name Folder Type Style Note code 5420 Large Urban Area outer limit Mot used Line Pen 1 2 0 o 5492 Large Urban Area inner limit Not used Line Pen 1 2 0 X 5421 Large Urban Area seed Not used Symbol Symbol 49 16711680 12 X 5420 X Large Urban Area polygon Not used Polygon Pen 1 1 0 Brush 2 16762032 16777215 e 5422 Small Urban Area outer limit Not used Line Pen 1 2 0 0 5493 Small Urban Area inner limit Not used Line Pen 1 2 0 x 5423 Small Urban Area seed Not used Symbol Symbol 49 16711680 12 x 5422 Small Urban Area polygon Not used Polygon Pen 1 1 8421504 Brush 2 16762032 16777215 e 4 Boundaries Feature Feature name Folder Type Style Note code 5710 National Boundary admin Line Pen 25 23 0 D 5715 National Primary At
17. Feature name Folder Type Style Note code 5330 A Road Dual Carriageway a road Line Pen 30 194 16711680 X 5332 A Road Dual C way over other feature a road Line Pen 30 194 16711680 X 5306 A Road Dual C way under construction a road Line Pen 25 4 16711680 X 5307 A Road Dual C way under const over a road Line Pen 25 4 16711680 X 5331 A Road Dual Carriageway planned a road Line Pen 25 5 16711680 X 5356 Roundabout A Road Dual Carriageway trans pt Symbol Symbol 34 16711680 6 X 5333 A Road Single Carriageway a road Line Pen 25 2 16711680 x 5335 A Road Single C way over other feature Ia road Line Pen 25 2 16711680 D 5308 ARoad Single C way under construction a road Line Pen 20 9 16711680 X 5309 A Road Single C way under const over a road Line Pen 20 9 16711680 X 5334 A Road Single Carriageway planned a road Line Pen 20 11 16711680 D 5376 X Roundabout A Road Single Carriageway trans pt Symbol Symbol 34 16711680 6 x 5336 A Road Narrow a road Line Pen 20 3 16711680 X 5337 A Road Narrow over other feature a road Line Pen 20 3 16711680 X 5358 A Road tunnel a road Line Pen 25 10 16711680 X B roads Feature Feature name Folder Type Style Note code 5340 B Road Dual Carriageway b road Line Pen 30 194 16750640 X 5342 B Road Dual C way over other feature b road Line Pen 30 194 16750640 X 5357 Roundabout B Road Dual Carriageway trans pt Symbol Symbol 34 16750640 6 X 5343 B Road Sin
18. Restricted junction northbound RL Restriction south Restricted junction southbound RM Restriction east Restricted junction eastbound RQ Restriction west Restricted junction westbound RU Point unbounded Point not bounded by line features for example SOUTH DOWNS RW Restriction clockwise Restricted junction clockwise RZ Restriction anticlockwise Restricted junction anticlockwise TX Text Graphic text associated with a name UE Usage Indicates status for example under construction open 24 hours and so on UN Unitary name Administrative area unitary authority name for example FIFE Strategi technical specification 0 v9 0 11 2013 Crown copyright Page 29 of 72 Attribute values for Strategi Feature Code Attribute Value Value description Park and ride 5806 UE 1 Operates all year with a minimum open time Monday Saturday Park and ride 5806 UE 2 Seasonal or Saturday only Service station 24 hour 5360 5361 UE 3 Open 24 hours under construction Service station 24 hour 5360 5361 UE 4 Open 24 hours operational Service station 5392 UE 5 Not open 24 hours under non 24 hour construction Service station 5392 UE 6 Not open 24 hours operational non 24 hour Service station 24 hour 5360 5361 LO 1 Motorway Service station 24 hour 5360 5361 LO 2 Primary route Service station 24 hour 5360 5361 LO 3 A class
19. 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 Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 66 of 72 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 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 realit
20. 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 intersecting linear features or lines In Strategi networks do not have topological integrity the implied junctions between lines may not be geometrically closed within the data Proprietary GIS software can be 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 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 1 polygon 2 4 7 8 6 Point A 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
21. in both positional and attribute terms edit The process of validating and correcting errors in digital map data See also update Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 67 of 72 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 OS MasterMap Topography Layer 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 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 Every field has a name and a
22. is held in a file with a mt 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 representations 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 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 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 lines or text Point and line data d
23. 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 capturing 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 geographic 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 represent
24. road Service station 5392 LO 2 Primary route non 24 hour Service station 5392 LO 3 A class road non 24 hour Settlement attribute points 5413 5416 5427 LO 4 Primary route destination Settlement attribute points 5413 5416 5427 LO 5 Non primary route destination Airport heliport 5839 5840 5841 5845 UE 7 Great Britain only Airport heliport 5839 5840 5841 5845 UE 8 European Airport heliport 5839 5840 5841 5845 UE 9 Worldwide Strategi technical specification 0 v9 0 11 2013 Crown copyright Page 30 of 72 Chapter1 DXF explained Introduction The purpose of this chapter and chapter 2 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 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 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 dimensio
25. 0526880 X 5404 Dead end Road gen lt 4 metres wide over minor rd Une Pen 17 2 10526880 D 5384 Other Track or Road minor rd Line Pen 15 3 10526880 X 5385 Other Track or Road over other feature minor rd Line Pen 15 3 10526880 X 5381 Roundabout under construction trans pt Symbol Symbol 40 0 5 X 5380 Gradient 1 in 7 or Steeper trans pt Font symbol Symbol X 217 0 10 Wingdings 0 0 5314 Road Tunnel end symbol trans_pt Font symbol Symbol 113 0 8 MapInfo X Cartographic 0 0 5382 Toll Bar all roads trans pt Font symbol Symbol 76 0 8 MapInfo X Cartographic 0 0 Railways Feature Feature name Folder Type Style Note code 5510 hailway Standard Gauge railway Line Pen 25 2 0 X 5511 Railway Standard Gauge over other feature railway Line Pen 30 2 0 X 5512 hailway Narrow Gauge railway Line Pen 17 2 0 X 5513 hRailway Narrow Gauge over other feature railway Line Pen 20 2 0 X 5514 hailway Tunnel railway Line Pen 25 3 0 D 5519 Railway Standard Gauge under construction railway Line Pen 25 5 0 X 5520 hRailway Station trans pt Symbol Symbol 34 16711680 12 D 5521 Rapid Transit Station trans_pt Symbol Symbol 34 1671 1680 7 X 5522 Rapid Transit Line railway Line Pen 20 2 0 D 5523 Rapid Transit Line over railway Line Pen 20 2 0 X 5524 Rapid Transit Tunnel railway Line Pen 20 3 0 D 5525 Rapid Transit Line U C railway Line o 5530 Lev
26. 15 255 D 5043 Graphic Text Mway Junc No Ltd Access txtttrans Text Font Arial 257 0 16777215 255 X 5048 Graphic Text Services txtttrans Text Font Arial 0 0 0 X Toll Feature Feature name Folder Type Style Note code 5038 Graphic Text Toll txtttrans Text Font Arial 2 0 0 X Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 59 of 72 Road distance mileage Feature Feature name Folder Type Style Note code 5036 Graphic Text Road Distance Motorway txtttrans Text Font Arial 3 0 8388736 X 5037 Graphie Text Road Distance Primary and A txtttrans Text Font Arial 258 0 8388736 16777215 x Road distance marker Feature Feature name Folder Type Style Note code 5108 Road Distance Marker Motorway trans pt Font symbol Symbol 33 8388736 18 Maplnfo X Miscellaneous 1 277 7 5107 Road Distance Marker Primary amp A trans pt Font symbol Symbol 33 8388736 14 Maplnfo X Miscellaneous 0 340 8 Geographical area names Feature Feature name Folder Type Style Note code 5060 Graphic Text Geographical Area txtother Text Font Times New D Homan 1027 0 8388608 Large hills ranges and summits Feature Feature name Folder Type Style Note c
27. 96012717 400000 100000 Bounds 0 0 700000 1300000 Columns 27 RN Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 62 of 72 Attribution The 27 columns mentioned above will contain the following attribution where the information relevant for the attribution is present Numbers in brackets indicate the maximum number of characters allowed in that particular column Feature_Code Smallint Legend Char 42 File_Name Char 16 Feature_Serial_ Number Integer Name Char 180 Number Char 64 Admin_Name Char 50 Airport_type Char 40 Ferry_From Char 50 Ferry_To Char 50 Ferry_Time Char 10 Ferry_Type Char 20 Ferry_Restrictions Char 20 Ferry_Access Char 30 Date_Last_Amended Date Usage Char 64 Location Char 30 GIS Char 80 Owner Char 60 Restrictions North Char 60 Restrictions South Char 60 Restrictions East Char 60 Restrictions West Char 60 Restrictions Clockwise Char 60 Restrictions Anticlockwise Char 60 Height Imperial Smallint Height Metric Smallint Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 63 of 72 Chapter4 An 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 th
28. Centre open all year tourist Font symbol Symbol 47 128 12 Maplnfo Transportation 0 0 X 5889 Tourist Info Centre seasonal tourist Font symbol Symbol 46 128 12 MapInfo Transportation 0 0 X 5882 Viewpoint 360 degrees tourist Font symbol Symbol 134 128 14 MapInfo Miscellaneous 0 0 X 5881 Viewpoint Limited tourist Font symbol Symbol 135 128 14 MapInfo X Miscellaneous 0 90 5874 Wildlife Centre open to the tourist Font symbol Symbol 79 128 12 MapInfo Miscellaneous 0 0 X public 5868 Youth Hostel tourist Font symbol Symbol 64 128 12 MaplInfo Real Estate 0 0 X 5870 Zoo open to the public tourist Font symbol Symbol 137 128 12 Maplnfo Miscellaneous 0 0 X Height Feature Feature name Folder Type Style Note code 5901 Spot Height dot seeds Point Symbol 50 16750848 5 MaplInfo Symbols 0 0 x 7 Miscellaneous Feature Feature name Folder Type Style Note code 5397 100 km Accentuated Grid Line gridline Line Pen 12 2 65535 D 5398 10 km Grid Line gridiine Line Pen 12 3 65535 D Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 58 of 72 8 Geographic text Primary route destination Feature Feature name Folder T
29. ED 1 POLYLINE GREEN G8065835 Television radio mast or tower CONTINUOUS INSERT WHITE MAST G8065837 Telephone dot CONTINUOUS INSERT WHITE PHONEDOT G8065838 Landmark antiquity dot CONTINUOUS INSERT WHITE LANDOT G8065839 Airport with customs no scheduled flights CONTINUOUS INSERT WHITE AIRCUST G8065840 Airport without customs facilities CONTINUOUS INSERT RED AIRNOCUST G8065844 Airport with permanent customs facilities CONTINUOUS INSERT GREEN AIRCUST where no prior notification is necessary G8065843 Wind powered generator CONTINUOUS INSERT WHITE WINDGEN G8065844 Windmill CONTINUOUS INSERT WHITE WINDMILL G8065845 Heliport CONTINUOUS INSERT WHITE HELIPORT G8065847 Public telephone CONTINUOUS INSERT WHITE PUBTEL G8065849 Motoring organisation telephone CONTINUOUS INSERT WHITE MOTTEL G8065851 Theme park open to the public CONTINUOUS INSERT WHITE THEMEPK G8065860 Abbey cathedral priory open to the public CONTINUOUS INSERT WHITE ABBEY G8065861 Camp site CONTINUOUS INSERT WHITE CAMP G8065862 Caravan site CONTINUOUS INSERT WHITE CARAVAN G8065863 Golf course CONTINUOUS INSERT WHITE GCOURSE G8065864 Museum open to the public CONTINUOUS INSERT WHITE MUSEUM G8065865 Picnic site CONTINUOUS INSERT WHITE PICSITE G8065866 Tourist information centre open all year CONTINUOUS INSERT WHITE TICA G8065867 Country park open to the public CONTINUOUS INSERT GREEN CTPARK G8065868 Youth hostel CONTINUOUS INSERT WHITE YHOST G8065869 Nature or fores
30. FILE o o HEADER TABLES BLOCKS ENTITIES END OF FILE SECTION SECTION SECTION SECTION GROUP Figure 5 2 Figure 5 3 Figure 5 9 Figure 5 12 Strategi technical specification chapter 2 v9 0 11 2013 Crown copyright Page 39 of 72 Header Figure 5 2 Level 2 The Header section will begin as Key i gne or more HEADER 0 SECTION SECTION 2 HEADER 9 SACADVER AutoCAD drawing database version number END SEC GROUP SECTION START ebd VARIABLE 1 GROUP UR SEQUENCE 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 SECTION HEADER HEADER GROUP The header information will end with the following variable 0 ENDSEC End of section Tables Figure 5 3 Level 2 Key x TABLES o optional SECTION o LINETYPE TABLE ENDSEC GROUP SECTION START Figure 5 6 Figure 5 8 Figure 5 4 SECTION GROUP TABLES GROUP The tables section will follow the header secti
31. NTINUOUS 1 POLYLINE CYAN G8065213 hiver primary lower CONTINUOUS 1 POLYLINE CYAN G8065221 hiver secondary source CONTINUOUS 1 POLYLINE CYAN G8065222 hiver secondary middle CONTINUOUS 1 POLYLINE CYAN G8065230 hiver other and drains CONTINUOUS 1 POLYLINE CYAN G8065240 Canal CONTINUOUS 1 POLYLINE CYAN G8065241 Canal tunnel DASHED 1 POLYLINE CYAN G8065242 Canal over CONTINUOUS 1 POLYLINE CYAN G8065250 Inland water outer limit CONTINUOUS 1 POLYLINE CYAN G8065251 Inland water seed CONTINUOUS INSERT CYAN SEEDPOINT G8065300 Motorway under construction DASHED POLYLINE BLUE G8065301 Motorway under construction over DASHED POLYLINE BLUE G8065302 Primary route dual carriageway DASHED POLYLINE GREEN under construction G8065303 Primary route dual carriageway DASHED POLYLINE GREEN under construction over G8065304 Primary route single carriageway DASHED POLYLINE GREEN under construction G8065305 Primary route single carriageway DASHED POLYLINE GREEN under construction over G8065306 A road dual carriageway DASHED POLYLINE RED under construction G8065307 A road dual carriageway DASHED POLYLINE RED under construction over G8065308 A road single carriageway DASHED POLYLINE RED under construction G8065309 A road single carriageway DASHED POLYLINE RED under construction over G8065310 Motorway CONTINUOUS 3 POLYLINE BLUE G8065311 Motorway planned DASHED 3 POLYLINE BLUE G8065312 Mo
32. OUP ROTATION ANGLE GROUP TEXT GENERATION FLAGS TEXT ENTITY GROUP RELATIVE X SCALE FACTOR GROUP o HORIZONTAL JUSTIFICATION TYPE GROUP GROUP TEXT STYLE NAME GROUP OBLIQUE ANGLE GROUP VERTICAL JUSTIFICATION TYPE ALIGN X ALIGN Y ALIGN Z GROUP GROUP GROUP Figure 5 16 Level 3 o ech or more POLYLINE ENTITY o optional POLYLINE LAYER VERTICES VERTICES GROUP GROUP FOLLOW FLAG GROUP SEQ END X Y z GROUP GROUP GROUP GROUP DEFAULT DEFAULT POLYLINE STARTING WIDTH ENDING WIDTH FLAG GROUP GROUP GROUP Strategi technical specification chapter 2 v9 0 11 2013 Crown copyright Page 47 of 72 Figure 5 17 Level 4 Key o o optional VERTICES LAYER VERTEX X Y Z GROUP GROUP GROUP GROUP GROUP o o o 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 Strategi technical specification chapter 2 v9 0 11 2013 Crown copyright Page 48 of 72 Chapter3 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
33. T WHITE TICS G8065890 Ferry box outline CONTINUOUS POLYLINE CYAN G8065892 Ferry catamaran CONTINUOUS INSERT CYAN CATAM G8065901 Spot height dots CONTINUOUS INSERT WHITE SEEDPOINT Strategi technical specification chapter 1 v9 0 11 2013 Crown copyright Page 38 of 72 Chapter 2 DXF file structure for Strategi General 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 1 Meadow Gate Avenue Farnborough Business Park FARNBOROUGH GU14 6FG 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 that 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 5 1 5 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 5 1 Level 1 Key one or more o optional DXF
34. and battlefields e Cities towns and other settlements primary and non primary route destinations and urban areas e Positioned geographic names water features and motorway numbers Strategi benefits The specification of Strategi offers a number of benefits e National coverage e 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 e A vector format allowing the building of closed polygons However networks within the data are incomplete e Annually updated from a maintained data source e 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 Text searches can be carried out on the ASCII file or it can be imported into a spreadsheet database or can be taken into a GIS environment Strategi user guide chapter 1 v9 0 11 2013 Crown copyright Page 5 of 72 Strategi applications Strategi provides a comprehensive national database of geographic 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 includes e customised graphic output e environmental analysis e what if analysis e statistical analysis for
35. aphic STANDARD TEXT WHITE text G8065031 Motorway number graphic text STANDARD TEXT BLUE G8065032 Primary route number graphic text STANDARD TEXT GREEN G8065033 A road number graphic text STANDARD TEXT RED G8065034 B road number graphic text STANDARD TEXT ORANGE G8065036 Road distance mileage motorway STANDARD TEXT WHITE graphic text G8065037 Road distance primary and A graphic text STANDARD TEXT WHITE G8065038 Toll graphic text STANDARD TEXT WHITE G8065039 Ferry annotation graphic text STANDARD TEXT ORANGE G8065040 Non primary route village graphic text STANDARD TEXT WHITE G8065044 Primary route destination town graphic text STANDARD TEXT GREEN G8065042 Motorway junction number full access STANDARD TEXT BLUE graphic text G8065043 Motorway junction number limited access STANDARD TEXT WHITE graphic text G8065044 Tourist feature graphic text STANDARD TEXT WHITE G8065045 National trail long distance path and STANDARD TEXT GREEN route graphic text G8065046 National park forest park graphic text STANDARD TEXT GREEN G8065048 Services text STANDARD TEXT BLUE G8065049 Primary route destination village STANDARD TEXT GREEN graphic text G8065060 Geographic area graphic text STANDARD TEXT WHITE G8065061 Large hills ranges and summits STANDARD TEXT WHITE graphic text G8065062 Named hills islands and rocks graphic text STANDARD TEXT WHITE G8065081 Roman antiquity graphic text STANDARD TEXT WHITE AD 43 AD 420 G8065082 Non Roman ant
36. 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 that 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 of 1 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 t
37. at you can work with in ESRI ArcGIS 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 ESRI ArcGIS 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 ESRI ArcGIS xml files that store information on processing and might appear after you have accessed the data prj files that store the projection information Relevant Shapefiles have attributes INAME ORIENT FONT SIZE ANCHOR PT that will allow users to display text using the labelling engine in ESRI software In addition the coverage files are supplied so users can continue to use this prestyled layer Styling From January 2013 a Strategi lyr
38. d 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 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 update The process of adding to and revising existing digital map data to take account of chang
39. 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 a_road a_road a_road a_road DAT AD TAB Fig 10 1 igx 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 separate 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 Mid Mif layers later in this chapter Area features Area features are polygons with att
40. ds 5530 unclassified roads 5531 Airport with customs no scheduled flights 5839 without customs facilities 5840 with permanent customs facilities 5841 Heliport 5845 Ferries vehicular ferry route 5390 ferry route link 5393 National trails long distance path and route 5825 Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 12 of 72 NOTE e A selection of roads classified by the Department 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 of representation some classified roads will have been omitted e Vehicular ferries are included within the data e Railway information includes all standard gauge railways and a selection of their associated infrastructure such as stations and tunnels However again please note that for clarity a selection of railway stations have been omitted e Narrow gauge railways are included where space permits Water features Feature description Feature code Coastline natural man made and offshore rocks above mean high water MHW 5110 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
41. e urban area An area containing a concentration of buildings and other structures 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 CD ROM DVD and so on Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 72 of 72
42. ecciauigabsassacdvettecensaasadecesseieabends 10 Communications ssssssssssssssesseeenee enne en nene enini sse trns stre n ensi nnns internen 10 VE TE 13 E EE 14 sj ANOS M 15 E p O c 15 Other E EE 16 Oe E 17 TO E E 17 The National Grid eem 20 Product and service performance report form seen 21 v9 0 11 2013 D05300 05 Strategi user guide contents v9 0 11 2013 Crown copyright Page 2 of 72 Preface This user guide hereafter referred to as the guide is designed to provide an overview of Strategi hereafter referred to as the product and it gives guidelines and advice on how a customer might derive the maximum benefit from the product It assumes a general knowledge of geographic information If you find an error or omission in this guide or otherwise wish to make a comment or suggestion as to how we can improve it please contact us at the address shown below or complete the product and service performance report form at annexe A and return it to us Contact details Our Customer Service Centre will be pleased to deal with your enquiries Customer Service Centre Ordnance Survey Adanac Drive SOUTHAMPTON SO16 OAS General enquiries calls charged at local rate 44 0 8456 05 05 05 Dedicated Welsh Language HelpLine 08456 05 05 04 Textphone deaf and hard of hearing users o
43. eed 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 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 Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 71 of 72 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 benchmark terminator A character or character string or field or recor
44. een transferred in their stored map positions A font differentiator 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 2 1 A full list of feature codes in Mid Mif and their locations within the data folders can be found here Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 18 of 72 Figure 2 1 standard Ordnance Survey text positions 5 D I 27 erter d l BEE DEER Ae EI too Wi V 410 l l Zo N M ELE r N 4 1 l l L CS A 7 l l 7 1 1 5 i ME 1 i I l 1 O a 7 N I l l l h N I l I I Vo war 2 7 N N 1 Ak I l N 4 N N V H LA Sanaat zu A S Names are normally placed on the printed map parallel to the horizontal grid However names of linear features for example rivers are orientated to appear parallel to them Position 0 is supplied The Strategi gazetteer in Excel spreadsheet format can be imported into a GIS such as MapInfo where the eastings and northings can be converted to points enabling the data to be geocoded in order to map against the Strategi data layer Strategi user guide chapter 3 v9 0
45. el 2 a INSERT entities these consist of e INSERT entity type group attribute number 0 e Layer name group 8 e Block name group 2 e X coordinate group 10 e Y coordinate group 20 e Z coordinate group 30 e X scale factor 41 optional e Y scale factor 42 optional e Zscale factor 43 optional e Rotation angle 50 optional if 0 b LINE entities these consist of e LINE entity type group 0 e Layer name group 8 e Start X coordinate group 10 e Start Y coordinate group 20 e Start Z coordinate group 30 e End X coordinate group 11 e End Y coordinate group 21 e End Z coordinate group 31 c POLYLINE entities these consist of e POLYLINE entity type group 0 e Layer name group 8 e Vertices follow flag 66 e X elevation 10 set to 0 e Y elevation 20 set to 0 e Z elevation 30 e Default starting width 40 optional if 0 e Default ending width 41 optional if 0 e Anumber of VERTEX entities shown below e SEQEND group 0 e e e e e 0o e e e CO e e e e e e e e e e e e e e p e e e o6 VERTEX entities these consist of VERTEX entity type group 0 Layer name group X coordinate group Y coordinate group Z coordinate group Starting width Ending width 41 optional Bulge 42 optional if 0 Vertex flags 70 optional if 0 Curve fit tangent 50 optional optional TEXT entities these consist of TEXT entity type group Layer name group 8 X c
46. el Crossing on Classified Road trans pt Font symbol Symbol 51 0 7 MapInfo D Symbols 257 20 4 5531 Level Crossing on Unclassified Road trans pt Font symbol Symbol 51 0 7 Maplnfo X Symbols 256 135 Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 53 of 72 Airport Feature Feature name Folder Type Style Note code 5839 Airport Non Sch with Permanent Customs airport Font symbol Symbol 72 128 11 MapInfo D Real Estate 0 0 5840 Airport No Customs facilities airport Font symbol Symbol 53 128 10 MapInfo x Symbols 0 0 5841 Airport Customs facilities airport Font symbol Symbol 72 128 14 MaplInfo X Real Estate 0 0 Heliport Feature Feature name Folder Type Style Note code 5845 Heliport airport Font symbol Symbol 91 128 12 MapInfo X Transportation 0 0 Ferries Feature Feature name Folder Type Style Note code 5390 Vehicular Ferry Route ferry Line Pen 20 6 8421504 X 5393 Ferry Route Link ferry Line Pen 20 6 8421504 X National trails long distance path and route Feature Feature name Folder Type Style Note code 5825 Long Distance Footpath minor rd Line Pen 20 5 8421504 D 2 Water features Coastline Feature Feature name Folder Type Style Note
47. en to the public aquarium open to the public camping and caravanning combined site campsite 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 nature reserve other tourist attraction open to the public park and ride picnic site preserved railway racecourse ski slope telephone motoring organisation Feature code 5810 5812 5815 5816 5838 5837 5835 5843 5844 5860 5875 5805 5861 5862 5877 5876 5867 5873 5890 5887 5892 5888 5886 5863 5878 5879 5864 5869 5880 5883 5806 5865 5871 5885 5884 5849 Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 16 of 72 Feature description Feature code telephone public 5847 theme park open to the public 5851 tourist information centre open all year 5866 tourist information centre seasonal 5889 viewpoint 360 5882 viewpoint limited 5881 wildlife centre open to the public 5874 youth hostel 5868 zoo open to the public 5870 Height spot height dots 5901 Miscellaneous Feature description Feature code 100 km accentuated grid line 5397 10 km grid line 5398 Dual junction driver line
48. ere appropriate Strategi feature codes are numerically listed in detail within the technical specification section in chapter 1 for DXF NOTE names where recorded as attributes appear in all themes Feature codes are prefixed 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 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 Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 10 of 72 Feature description Feature code 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 B roads Dual carriageway 5340 over other feature 5342 roundabout 5357 Single ca
49. file is supplied with the data This enables customers to load Ordnance Survey recommended styles for the product A Styling Guide in the Documents folder supplied with the data explains how to manage and alter the styles to suit individual requirements Shapefile attribution The following attribution will be supplied where relevant to a Shapefile The FID SHAPE CODE LEGEND and AMENDED attributes are standard and will be present in each Shapefile ACCESS String 30 ADMIN NAME String 50 IMPERIAL Long AMENDED Date LEGEND String 42 ANCHOR PT Long LOCATION String 30 ANTICLOCKW String 60 METRIC Long CLOCKWISE String 60 NAME String 180 CODE Long NORTH String 60 EAST String 60 NUMBERO String 64 FERRY FROM String 50 ORIENT Double FERRY TIME String 50 OWNER String 60 FERRY TO String 50 RESTRICTIO String 20 FERRY TYPE String 20 SHAPE Geometry FID Object ID SOUTH String 60 FONT SIZE Double USAGE String 64 WEST String 60 Strategi technical specification chapter 4 v9 0 11 2018 Crown copyright Page 64 of 72 A Glossary absolute accuracy A measure that indicates how closely the coordinates of a point in Ordnance Survey map data agree with the true National Grid coordinates of the same point on the ground As the true positio
50. gle Carriageway b road Line Pen 25 2 16750640 x 5345 B Road Single C way over other feature b road Line Pen 25 2 16750640 X 5377 Roundabout B Road Single Carriageway trans pt Symbol Symbol 34 16750640 6 X 5346 B Road Narrow b_road Line Pen 20 3 16750640 X 5347 B Road Narrow over other feature b road Line Pen 20 3 16750640 X 5359 B Road tunnel b road Line Pen 25 10 16750640 D Minor roads over 4 metres wide Feature Feature name Folder Type Style Note code 5350 Minor Road over 4 metres wide minor rd Line Pen 20 2 10526880 D 5351 Minor Road over 4 metres wide over minor rd Line Pen 20 2 10526880 X 5374 Roundabout Minor Road over 4 metres wide trans pt Symbol Symbol 34 0 5 D 5353 Minor Road over 4 metres wide tunnel minor rd Line Pen 20 10 10526880 X Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 52 of 72 Minor roads under 4 metres wide Feature Feature name Type Style Note code 5405 Minor Road under 4 metres wide minor rd Line Pen 17 2 10526880 X 5406 Minor Road under 4 metres wide over minor rd Line Pen 17 2 10526880 X 5408 Roundabout Minor Road under 4 metres wide trans pt Symbol Symbol 34 0 5 D 5407 Minor Road under 4 metres wide tunnel minor rd Line Pen 17 10 10526880 D 5403 Dead end Road gen under 4 metres wide minor rd Line Pen 17 2 1
51. he 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 and are leading zero filled For example G8065310 Motorway Neatline A Neatline around the extent of the map data is added as lines in the ENTITIES section Layer name G8060572 Grid A grid is added as lines in the ENTITIES section Grid lines and values 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 technical specification chapter 1 v9 0 11 2013 Crown copyright Page 32 of 72 Strategi DXF layers Geet Feature name Linetype Line Entity Colour Block G8060571 Footnotes STANDARD TEXT WHITE ST FOOTNO G8060572 Grid lines and values CONTINUOUS 1 INSERT TEXT WHITE G8060573 Grid values STANDARD 1 WHITE G8060575 Default CONTINUOUS 1 POLYLINE WHITE G8065006 Non primary route destination town STANDARD TEXT WHITE graphic text G8065016 Other graphic text STANDARD TEXT WHITE G8065020 Water feature graphic text STANDARD TEXT CYAN G8065025 Primary route destination city graphic text STANDARD TEXT GREEN G8065026 Non primary route destination city gr
52. he supply of Strategi are Abbreviation Description Explanation and examples CM County name Administrative area county name for example KENT COUNTY DE Date The date of the last amendment for example 20001128 DN District name Administrative area district name for example THANET DISTRICT FE Ferry access Shows method of vehicular access to ferry for example roll on roll off FF Ferry from Shows ferry departure location Fl Ferry time Shows normal crossing time FM Feature name Feature name for example Southampton River Test FP Ferry type Shows type of ferry for example boat or catamaran FR Ferry restrictions Shows ferry restrictions for example all year or seasonal FT Ferry to Shows ferry destination GS GIS Intelligence unique identifier for example 33596 HI Height imperial Shows height as an imperial measurement HM Height metric Shows height as a metric measurement LO Location Identifies location for example on motorway primary non primary route NU Numbered feature Numbered feature for example M27 or junction number OR Orientation Used to describe the orientation of a point feature from grid east anticlockwise If absent the feature is not deemed to have an orientation OW Owner Property owner for example ENGLISH HERITAGE RB Point bounded Point bounded by line features for example a lake RJ Restriction north
53. ical specification contents v9 0 11 2013 Crown copyright Page 23 of 72 Introduction Purpose of this specification and disclaimer This is the technical specification hereafter referred to as the specification applicable to Strategi hereafter referred to as the product We may change the information in this specification at any time We do not accept responsibility for the content of any third party websites referenced in or accessed through this guide or through the Ordnance Survey website Copyright in this specification This guide is Crown copyright 2014 All rights reserved You may copy or distribute any part of this specification to support the use of OS OpenData including for your personal use use in your organisation or business or for use with or incorporation in your product or application Background information on the technical specification Chapters 1 to 7 of the technical specification contain full information on Strategi data transfer formats The purpose of chapters 1 to 7 is to e Provide a brief description of the presentation of Strategi in the transfer formats in which it is supplied e Mid Mif e Also the two proprietary formats e Data Exchange Format DXF conforming to AutoCAD release 12 with extended entity data and e Shapefile As part of this brief description data structure diagrams are used to give greater explanation where necessary e Provide Licensed Partners with as much deta
54. ication 0 v9 0 11 2013 Crown copyright Page 26 of 72 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 overlapping feature is stored separately in the data as indicated in figures 2 3a 2 3b and 2 3c Figure 2 3c overlapping features 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 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 moved emphasised or simplified to aid clarity and avoid unnecessary clutter The National Grid as it applies to Strategi is explained more fully in the user guide 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 term
55. il as necessary to enable Strategi files in 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 geographic topology of the data Because of the fundamental differences in the data format of Strategi supplied in DXF Mid Mif and Shapefile this technical specification devotes separate chapters to these transfer formats Chapters 1 to 4 of the technical specification section should be read in conjunction with chapters 1 to 3 of the user guide which describe the content of Strategi Chapters 3 and 4 of the technical specification section give details of Mid Mif and Shapefile formats Please refer to the glossary if you are unfamiliar with any of the words or terms used Gazetteer as part of the Strategi package a 1 250 000 scale names gazetteer is supplied on the CD see Data supply structure in the user guide The text files contain settlement name admin area and National Grid coordinates e Data source 1 250 000 scale topographic data e Data structure ASCII list table format four columns settlements admin area eastings and northings and six figure reference e Transfer formats text file e 48000 names approximately e 1 960 Mb storage volumes Strategi technical specification introduction v9 0 11 2013 Crown copyright Page 24 of 72 All
56. ine Pen 35 2 45056 X 5304 Primary Route S C way under construction primy rd Line Pen 30 9 45056 X 5305 Primary Route S C way under const over primy rd Line Pen 30 9 45056 X 5324 Primary Route S Carriageway planned primy rd Line Pen 30 11 45056 X 5375 Roundabout Primary Route Single C way trans pt Symbol Symbol 34 45056 6 X 5326 Primary Route Narrow primy rd Line Pen 25 3 45056 X 5327 Primary Route Narrow over other feature primy rd Line Pen 25 3 45056 X 5373 Primary Route tunnel primy rd Line Pen 25 10 45056 X 5360 Service station full access trans pt Font symbol Symbol 34 5278719 9 Maplnfo x Symbols 16 82 5361 Service station limited access trans pt Font symbol Symbol 34 5278719 9 Maplnfo X Symbols 256 295 4 5378 Multilevel Junction under construction trans_pt Font symbol Symbol 41 45056 8 MapInfo X Symbols 257 0 5379 Multilevel Junction full access trans pt Font symbol Symbol 63 57344 8 Maplnfo D Weather 160 5389 Multilevel Junction limited access trans_pt Font symbol Symbol 63 57344 8 MapInfo X Weather 256 0 5392 Service Station non 24 hour primary and trans pt Font symbol Symbol 34 57344 7 MapInfo x A roads only Symbol 16 0 Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 51 of 72 A roads Feature
57. ing the real world Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 68 of 72 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 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 Link
58. iquities graphic text STANDARD TEXT WHITE G8065090 Spot height value graphic text STANDARD TEXT WHITE G8065107 Road distance marker primary amp A CONTINUOUS INSERT GREEN R_MARK G8065108 Road distance marker Motorway CONTINUOUS INSERT BLUE M_MARK G8065109 Dual junction graphic text divider line CONTINUOUS INSERT WHITE DUTXDIVL G8065110 Coastline and offshore rocks above mean CONTINUOUS 3 POLYLINE BLUE high water G8065115 Sea seed below mean high water CONTINUOUS INSERT BLUE SEEDPOINT G8065120 Foreshore sand outer limit CONTINUOUS 1 POLYLINE YELLOW Strategi technical specification chapter 1 v9 0 11 2013 Crown copyright Page 33 of 72 Feature code Feature name Linetype Line Entity Colour Block G8065121 Foreshore sand seed CONTINUOUS INSERT YELLOW SEEDPOINT G8065122 Foreshore other and offshore rocks CONTINUOUS 1 POLYLINE CYAN exposed at mean low water outer limit G8065123 Foreshore other and offshore rocks CONTINUOUS INSERT CYAN SEEDPOINT exposed at mean low water seed G8065140 Lighthouse in use CONTINUOUS INSERT BLUE LHINUSE G8065141 Lightship CONTINUOUS INSERT BLUE LIGHTSHIP G8065142 Lighthouse disused CONTINUOUS INSERT BLUE LHDISUSE G8065200 Specified node CONTINUOUS INSERT MAGENTA CIRCLE small G8065211 Biver primary source CONTINUOUS 1 POLYLINE CYAN G8065212 River primary middle CO
59. l for applications requiring an overview of generalised geographic information of 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 using this small scale national dataset The data has been digitised from Ordnance Survey s published mapping at 1 250 000 scale As Strategi is supplied as data only appropriate software is needed to use the data for your intended application OS OpenData On 1 April 2010 Strategi was made available as part of OS OpenData in DXF ESRI Shapefile and TAB formats Prior to OS OpenData release Strategi was available as a licensed product and formats included NTF and Mid Mif This user guide and technical specification includes all formats in order to support new and existing users Please refer to Strategi supply options in this user guide Strategi features Strategi contains the following features e Roads railways airports and ferries for example motorways primary routes A and B roads minor roads footpaths airports heliports and vehicular ferries e National National Park and administrative boundaries e Water features rivers canals lakes and reservoirs sea and coast e Woods and land use woodland areas windmills Roman roads
60. major roads information advanced to the end of that year Accuracy and resolution Strategi is produced from data that is used to create Ordnance Survey s 1 250 000 scale graphic 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 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 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 Completeness Completeness is a measure of the correspondence between the real world and the specified data content Strategi user guide chapter 2 v9 0 11 2013 Crown copyright Page 9 of 72 Chapter 3 Strategi content Feature theme description On the following pages the feature codes are grouped into themes for easy reference with explanatory notes wh
61. mat 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 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 s
62. metric 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 2a Figure 2 2a a geometric structure of lines and Figure 2 2b the same geometric structure as map points features 6 Seed Point O Node 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 2b e Point 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 These points are not generally found within the data supplied Some lines and points are common to more than one map feature as shown in figure 2 3c the area Cadnam shares its boundaries with the M27 A31 T A31 and A36 Figure 2 3a separate storage of overlapping Figure 2 3b separate storage of overlapping features features Strategi technical specif
63. n 0 5 square km is not captured Feature descriptions and codes are defined below 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 NOTE e Settlements show outer limits and open spaces within urban area outer limits e Primary and non primary route destinations are held as an attribute of the settlement feature codes Strategi user guide chapter 3 v9 0 11 2043 Crown copyright Page 14 of 72 Boundaries Feature description Feature code National 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 between islands 5750 Administrative area detached attribute point 5734 National forest park boundary 5820 National forest park attribute point 5821 NOTE e 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 e Seed points have associated bounda
64. n 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 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 describing measure serviceability structure or composition
65. nal 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 HEADER SECTION TABLES SECTION DXF FILE BLOCKS SECTION ENTITIES SECTION END OF FILE GROUP Structure of Strategi in DXF Strategi has a limited ink 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 as 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 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 Strategi technical specification chapter 1 v9 0 11 2013 Crown copyright Page 31 of 72 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
66. nel DASHED POLYLINE GREEN G8065374 Roundabout minor road over 4 m wide CONTINUOUS INSERT WHITE RBOUT G8065375 Roundabout CONTINUOUS INSERT GREEN RBOUT primary route single carriageway G8065376 Roundabout A road single carriageway CONTINUOUS INSERT RED RBOUT G8065377 Roundabout B road single carriageway CONTINUOUS INSERT ORANGE RBOUT G8065378 Multilevel junction under construction CONTINUOUS INSERT GREY MULT JUNG G8065379 Multilevel junction full access CONTINUOUS INSERT WHITE MULT JUNC G8065380 Gradient 1 in 7 1496 or steeper on primary CONTINUOUS INSERT WHITE GRADIENT A and B roads G8065381 Roundabout under construction CONTINUOUS INSERT BLUE RBOUT UNC G8065382 Toll bar CONTINUOUS INSERT WHITE TOLL G8065384 Other track or road CONTINUOUS POLYLINE WHITE G8065385 Other track or road over CONTINUOUS POLYLINE WHITE G8065389 Multilevel junction limited access CONTINUOUS INSERT WHITE MULT LA G8065390 Vehicular ferry route DASHED 1 POLYLINE WHITE G8065392 Service station non 24 hour CONTINUOUS INSERT WHITE SERV N24 G8065393 Ferry route link DASHED 1 POLYLINE WHITE G8065397 1100 km accentuated grid line CONTINUOUS POLYLINE BLACK Strategi technical specification chapter 1 v9 0 11 2013 Crown copyright Page 35 of 72 Feature coda Feature name Linetype Line
67. 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 geographic 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 for point features A full listing of individual features is given in chapter 1 for DXF respectively Each feature has two components e feature position and e attribute data Strategi technical specification 0 v9 0 11 2013 Crown copyright Page 25 of 72 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 geographic 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 geo
68. nly please 44 0 23 8005 6146 customerservices ordnancesurvey co uk www ordnancesurvey co uk This document has been screened in accordance with the requirements set out in Ordnance Survey s Equality scheme lf you have difficulty reading this information in its current format and would like to find out how to access it in a different format Braille large print computer disk or in another language please contact us on 44 0 8456 05 05 05 Use of the product The product is made available to you and your organisation on the terms of the OS OpenData Licence at www ordnancesurvey co uk opendata licence If there is any inconsistency between the terms of the licence and this guide the terms of the licence prevail Purpose and disclaimer This guide is provided for guidance only and does not constitute any warranty representation undertaking commitment or obligation express or implied about the product or its suitability for any particular purpose Any warranties representations undertakings commitments and obligations given by Ordnance Survey about the product and or its suitability for any particular or intended purpose are set out in your customer contract It is your responsibility to ensure that this product is suitable for your intended purpose Ordnance Survey does not accept any liability whether for breach of contract negligence or otherwise for any loss or liability you or any third party may suffer in relying on this g
69. oS Soar otrategi Userguide and technical specification Strategi User guide Contents Section Preface Chapter 1 Chapter 2 Chapter 3 Chapter 4 A Page no 3 elle UE 3 Ee te ee He EE 3 iiu jejo S brege eriulet canoe Aedncgetiuncbeteadeedenvs chgesseadoscediv antes vescepeenvs nade deataecetmaneeetaads 3 Copyright in tis QUI EE 3 Data copyright and other intellectual property rights se 4 Trademamks sioe euet UII MEN I iun E S 4 Back up provision of the product ssssssessse eene enemies 4 Usmg Epl So te Lm 4 EI ET Y e 5 OS RER ME 5 ee le 5 Siret E 5 ele eue 6 Requirements to use Strategi ceecceccceceeeeeceeneeeeeeeeceaeeeeaaesneeceaeeecaaesseaaessneesaeseeaaesseneeenaees 6 TT TOT TRUE T T1 ECL 6 elle TEE 6 Strategi SU PI EE 6 SUPPLY Al ET 6 SUPPLY ele re EE 6 Transior ele 6 ET EE 6 MERTEN 7 CD naming CONVENTIONS E 7 Strate elt lee re EE H Strategi application overview ceccceceeeeeseeeeeeee cece eeeaeeeeeae sence ennemi nnne ennt nnns inneren nene 8 Typical User SCOMANOS PEN 8 High level product overview eeeee ee eeeeeeee siete eene enne nnnm nnne nnne nennen tennis 9 eeler EE 9 le 9 Accuracy and Ke UL D 9 elle EE 9 Strate LEO Hp gereest eege 10 Feature theme description x ccissceccestscscanssteccssungebesasacdecaatecdeaasac
70. ode 5061 Graphic Text Large Hills and Ranges txtother Text Font Times New Roman 3 0 0 x Named hills islands and rocks Feature Feature name Folder Type Style Note code 5062 Graphic Text Hills Islands and Rocks txtother Text Font Times New Roman 2 0 0 X Other text Feature Feature name Folder Type Style Note code 5016 Graphic Text Other txtother Text Font Times New X Roman 0 0 8388608 1 Water features Feature Feature name Folder Type Style Note code 5020 Graphic Text Water Feature txtother Text Font Times New Roman 2 0 255 D Tourist feature Feature Feature name Folder Type Style Note code 5044 Graphic Text Tourist Feature txtother Text Font Times New Roman 0 0 0 X Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 60 of 72 Ferry annotation Feature Feature name Folder Type Style Note code 5039 Graphic Text Ferry Annotation txttrans Text Font Arial 1 0 128 X National trails long distance path and route Feature Feature name Folder Type Style Note code 5045 Graphic Text Long Distance Footpath txttrans Text Font Arial 2 0 8421504 X National Park forest park Feature Feature name Folder Type Style Note code 5046 Graphic Text National Park Forest Park txtother Text Font Times New X Roman 1025 6 32896 Spot height values
71. oes 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 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 Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 70 of 72 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 for
72. ompt 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 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 Strategi technical specification 0 v9 0 11 2013 Crown copyright Page 28 of 72 Attribute codes for Strategi Attributes that are used in t
73. on and will contain three tables e Linetype table e Layer table e Style table Strategi technical specification chapter 2 v9 0 11 2018 Crown copyright Page 40 of 72 Figure 5 4 Linetype table level 3 Key one or more o optional o LINETYPE TABLE ENDTAB GROUP LINETYPE DEFINITIONS Figure 5 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 5 5 Level 4 Key one or more o optional LTYPE GROUP ALIGNMENT GROUP LINETYPE DEFINITIONS LINETYPE NAME GROUP STANDARD FLAGS GROUP NUMBER OF DASH ITEMS GROUP LINETYPE DESCRIPTIVE TEXT GROUP o DASH LENGTH GROUP Strategi technical specification chapter 2 v9 0 11 2018 Crown copyright Page 41 of 72 Thus 0 TABLE 2 LTYPE 70 3 0 LTYPE 2 CONTINUOUS 70 0 3 Solid Line 72 65 73 0 40 0 0 0 LTYPE 2 DASHED 70 0 3 T2 0 25 0 LTYPE 2 DASHDOT 70 0 3 Strategi technical specification chapter 2 v9 0 11 2018 Crown copyright Page 42 of 72 Figure 5 6 Level 3 Key o optional ENDTAB GROUP ENDTAB GROUP Details of the layer table can be seen in chapter 4 Figure 5 7 Level 4 Key one or more LAYER DEFINITIONS STANDARD COLOUR LINETYPE FLAGS NUMBER NAME GROUP GROUP GROUP
74. oordinate group 10 Y coordinate group 20 Z coordinate group 30 Text height group 40 Text value 1 Rotation angle group 50 optional if 0 Relative X scale factor 41 optional if 1 Oblique angle 51 optional if 0 Text style name 7 optional Text generation flags 71 optional if 0 Horizontal justification type 72 optional if 0 Vertical justification type 73 optional if 0 EXTENDED entities these consist of Application name 1001 Control string 1002 String 1000 one or more Control string 1002 Key o one or more ENTITIES o optional SECTION SECTION START ENTITIES EXTENDED ENTITIES SECTION GROUP ENTITIES GROUP ENDSEC GROUP Strategi technical specification chapter 2 v9 0 11 2013 Crown copyright Page 45 of 72 Figure 5 13 Level 3 Kay LINE one or more ENTITY o optional LINE START X START Y GROUP GROUP GROUP o o START Z END X END Y END Z EXTENDED GROUP GROUP GROUP GROUP ENTITIES Figure 5 14 Level 3 Key i sca INSERT ENTITY INSERT LAYER x Y Z GROUP GROUP GROUP GROUP GROUP Strategi technical specification chapter 2 v9 0 11 2013 Crown copyright Page 46 of 72 o X SCALE FACTOR GROUP Y SCALE FACTOR GROUP Z SCALE FACTOR GROUP ROTATION ANGLE GROUP EXTENDED ENTITIES Figure 5 15 Level 3 Key one or more o optional TEXT GROUP D TEXT VALUE GROUP LAYER GR
75. otorway junction Figure 1 1 site research GEOPLAN postcode data supplied courtesy of Geoplan e the site must be within a catchment NOTE postcode data is not supplied with Strategi area of a large urban area and e the nearest competitor should not be within 5 km information derived from the retailer s own competitor database Additionally the researcher needs to know which postcodes are contained within this urban 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 EU 17 Figure 1 2 woodland parcels light areas indicate woodlands of 500 hectares or more wholly within the county Strategi user guide chapter 1 v9 0 11 2013 Crown copyright Page 8 of 72 Chapter 2 High level product overview Source of Strategi Strategi data is a direct export from Ordnance Survey s 1 250 000 scale database The Strategi gazetteer is created from the settlement names held in the 1 250 000 scale database Currency Strategi updates are released annually Each update is a replacement dataset for all Strategi data held The updates represent Strategi features as at a date that falls typically during the preceding July with
76. ounty primary attribute point CONTINUOUS INSERT WHITE SEEDPOINT Strategi technical specification chapter 1 v9 0 11 2013 Crown copyright Page 36 of 72 Feature code Feature name Linetype Line Entity Colour Block G8065730 District boundary DASHED POLYLINE WHITE G8065731 District name graphic text STANDARD TEXT WHITE G8065733 District primary attribute point CONTINUOUS INSERT WHITE DIS AP G8065734 Administrative detached attribute point CONTINUOUS INSERT WHITE ADM AP G8065740 Unitary authority boundary DASHED POLYLINE WHITE G8065741 Unitary authority name graphic text STANDARD TEXT WHITE G8065744 Unitary authority primary attribute point Ng OOTINUOUS INSERT WHITE UNI AP G8065750 Associated area boundary DASHED POLYLINE WHITE G8065805 Camping and caravanning combined site CONTINUOUS INSERT WHITE CAMPCAR G8065806 Park and ride CONTINUOUS INSERT WHITE PANDR G8065810 Roman road CONTINUOUS 1 POLYLINE WHITE G8065812 Antiquity line detail dyke wall and so on CONTINUOUS 1 POLYLINE WHITE G8065815 Hill fort CONTINUOUS INSERT WHITE HILLFORT G8065816 Battlefield CONTINUOUS INSERT WHITE BATTLE G8065820 National park forest park CONTINUOUS 1 POLYLINE YELLOW G8065821 National park forest park attribute point DCONTINUOUS INSERT YELLOW SEEDPOINT G8065825 National trail long distance path and route DASH
77. r ente 27 zu eo E L 28 Naimmes asattriDUtes EE 28 ge EE 28 Attribute codes for Strategi 0 cccccecceceeceeceneeeeaeeeeneeceaeeeeaaeseeaeeeeaeeeseaesseaaeseaeeeseaeeesaaeseeneeesaees 29 Attribute values for Giraieg nennen nennen nnne enne 30 Chapter 1 DAF OXPlaine 31 rigore Ted EN An overview of Strategi in DXF sssssssssssssssseseeennee nennen nnne nennen snis intent nes 31 Data Exchange Format DF uiae denied eere dete Rete Pere oe 31 structure of Strategi in DX cett entree tete err Dunk ert o Sege ba cdi dea une ada zn 31 id uI Br Ielt i rule 31 ELCSCIIICIM 31 TELE ce T 32 Name features ege eet rre ette te ti ere he E desen ee rn addu d 32 Intormation specific to DXF EE 32 Coordinate Syste Miann M 32 elle 32 Layer Nams 32 INC ot 32 GID ME 32 CODY LTE 32 trate gl DXF layt Siranee naain ette eu eege ene ete eeu nts Feed eene det re exe nt 33 Chapter 2 DXF file structure for Strategl ie otrioer pecia ro cb doeet desis Seege eege 39 echnlcgme EE 39 Ero EE e n y e 39 eil TE A0 EE A0 slc aR 44 SEE Lu p 45 Chapter 3 An overview of Strategi in Mid MIit
78. ributes 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 Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 49 of 72 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 The coordinate system is National Grid NG The NG coordinates are to a resolution of 1 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 n n filename and long filenames can have more than one in them When using more than one yo
79. rriageway 5343 over other feature 5345 roundabout 5377 Narrow 5346 over other feature 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 Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 11 of 72 Feature description Feature code Additional road features Multilevel junction primary A B and minor roads 5379 full access 5379 limited access 5389 under construction 5378 Roundabout under construction all roads 5381 Gradient 1 in 7 14 or steeper primary routes A and B roads only 5380 Road tunnel end symbol all tunnels 5314 Toll bar all roads 5382 Services motorway primary routes and A roads full access 5360 limited access 5361 Services station non 24 hour primary routes and A roads only 5392 Railways Standard gauge 5510 over other feature 5511 Narrow gauge 5512 over other feature 5513 Railway tunnel 5514 Railway line under construction 5519 Railway station 5520 Rapid transit station 5521 Rapid transit line 5522 Rapid transit line over 5523 Rapid transit tunnel 5524 Rapid transit line under construction 5525 Level crossing classified roa
80. rway Line Pen 35 194 5278719 X 5312 Motorway over other feature motorway Line Pen 35 194 5278719 X 5300 Motorway under construction motorway Line Pen 35 4 5278719 X 5301 Motorway under const over other feature motorway Line Pen 35 4 5278719 X 5311 Motorway planned motorway Line Pen 35 5 5278719 X 5313 Motorway tunnel motorway Line Pen 40 3 5278719 D 5370 Motorway Junction trans pt Font symbol Symbol 63 7381247 8 Maplnfo x Weather 16 0 5371 Motorway Junction limited access trans_pt Font symbol Symbol 63 7381247 8 Maplnfo x Weather 256 0 5372 Motorway Junction under construction trans pt Font symbol Symbol 58 7381247 8 Maplnfo x Weather 256 0 Primary routes Feature Feature name Folder Type Style Note code 5320 Primary Route Dual Carriageway primy rd Line Pen 30 194 45056 X 5322 Primary Route D C way over other feature primy rd Line Pen 30 194 45056 X 5302 Primary Route D C way under construction primy rd Line Pen 35 4 45056 X 5303 Primary Route D C way under const over primy rd Line Pen 35 4 45056 X 5321 Primary Route Dual Carriageway planned primy rd Line Pen 35 5 45056 X 5355 Roundabout Primary Route Dual Carriageway trans pt Symbol Symbol 34 45056 6 X 5323 Primary Route Single Carriageway primy rd Line Pen 35 2 45056 X 5325 Primary Route S C way over other feature primy rd L
81. ry codes In the case of national seed points these are coastline and the national boundary In the case of county seed points these 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 e 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 administrative units Land use Feature description Feature code Wood forest outer margin 5610 inner limit 5491 seed 5611 Marsh 5612 Island area attribute point 5621 Geographic area attribute point parks moors woodland headland fens 5620 commons plains large hills and summits small hills and other physical features NOTE woodland margins and clearings are included in the land use category along with woodland area seeds Strategi user guide chapter 3 v9 0 11 2013 Crown copyright Page 15 of 72 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 op
82. s an attribute can be a numerical feature code or a distinctive name or number such as Birmingham or M40 Strategi technical specification 0 v9 0 11 2013 Crown copyright Page 27 of 72 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 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 These feature layers are listed in chapter 1 An additional text feature code for layout of footnotes is included This feature code is listed in chapter 1 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 available to download from the Ordnance Survey website 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 pr
83. s 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 It 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 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 Strategi technical specification annexe A v9 0 11 2013 Crown copyright Page 69 of 72 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
84. social environmental or marketing decision making e linking and integrating users own information with spatial data and e visual route planning Requirements 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 However you may need extra memory capacity for DXF data Computer software Strategi is supplied as data only and does not include software for data viewing or manipulation Strategi supplied in DXF will require specific software such as GIS or CAD Strategi is also available as data in Mid Mif TAB and Shapefile formats which can be imported into almost all current versions of GIS software Strategi supply Supply unit Strategi is supplied as seamless data files The gazetteer is supplied as an ASCII list with asterisk separated columns providing Great Britain coverage Supply options Data is supplied as follows For DXF a complete database of Great Britain North and Great Britain South For Shape Mid Mif and TAB formats Great Britain Transfer formats This user guide supports the following formats e DXF conforming to AutoCAD release 12 with extended entity data Media Strategi is supplied on DVD or available for download as OS OpenData Strategi user guide chapter 1 v9 0 11 2013 Crown copyright Page 6 of 72 Data supply structure Root directory DXF MID MIF TAB SHP doc
85. stered trademarks of Adobe Systems Incorporated 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 Excel is a registered trademark of Microsoft Corporation GEOPLAN is a registered trademark of Geoplan Spatial Intelligence Limited Helvetica is a registered trademark of Heidelberger Druckmaschinen AG MapInfo is a registered trademark of MapInfo Corporation Back up provision of the product You are advised to copy the supplied data to a back up medium Using this guide The documentation is supplied in portable document format PDF only Free Adobe Reader software which displays the guide incorporates search and zoom facilities and allows you to navigate within Hyperlinks are used to navigate between associated parts of the guide and to relevant Internet resources by clicking on the blue hyperlinks and the table of contents If you are unfamiliar with any words or terms used and require clarification please refer to the glossary at the end of the document Strategi user guide preface v9 0 11 2013 Crown copyright Page 4 of 72 Chapter 1 Strategi a summary Strategi is digital vector data and is a representation of Ordnance Survey s 1 250 000 scale graphic products As such it is idea
86. t mean low water inner limit G8065510 Railway standard gauge CONTINUOUS 3 POLYLINE WHITE G8065511 Railway standard gauge over CONTINUOUS 3 POLYLINE WHITE G8065512 Railway narrow gauge CONTINUOUS 1 POLYLINE WHITE G8065513 Railway narrow gauge over CONTINUOUS 1 POLYLINE WHITE G8065514 Railway tunnel DASHED 1 POLYLINE WHITE G8065519 Railway line under construction CONTINUOUS POLYLINE WHITE G8065520 Railway station CONTINUOUS POINT WHITE RED STATION G8065521 Rapid transit station CONTINUOUS POINT WHITE G8065522 Rapid transit line CONTINUOUS POLYLINE WHITE G8065523 Rapid transit line over CONTINUOUS POLYLINE WHITE G8065524 Rapid transit tunnel DASHED POLYLINE WHITE G8065525 Rapid transit line U C CONTINUOUS POLYLINE WHITE G8065530 Level crossing on classified road CONTINUOUS INSERT WHITE LEVCROSS G8065531 Level crossing on unclassified road CONTINUOUS INSERT WHITE LEVCROSS G8065610 Wood forest outer limit DASH DOT 1 POLYLINE GREEN G8065611 Wood forest seed CONTINUOUS INSERT GREEN WOODSEED G8065612 Marsh CONTINUOUS INSERT GREEN MARSH G8065620 Geographic area attribute point CONTINUOUS INSERT WHITE SEEDPOINT G8065621 Island area attribute point CONTINUOUS INSERT WHITE SEEDPOINT G8065710 National boundary DASH DOT 1 POLYLINE WHITE G8065715 National primary attribute point CONTINUOUS INSERT WHITE SEEDPOINT G8065720 County boundary DASHED 1 POLYLINE WHITE G8065721 County name graphic text STANDARD TEXT WHITE G8065725 C
87. t symbol Symbol 33 128 18 MapInfo Miscellaneous 1 0 X 5878 _ Historic House open to the public tourist Font symbol Symbol 36 128 10 MaplInfo Real Estate 0 0 X 5879 Motor Racing Circuit tourist Font symbol Symbol 125 128 12 MapInfo Miscellaneous 0 0 X 5864 Museum open to the public tourist Font symbol Symbol 119 128 12 MapInfo Miscellaneous 0 0 X 5869 Nature or Forest Trail tourist Font symbol Symbol 59 128 12 MapInfo Miscellaneous 0 0 X 5880 Nature Reserve tourist Font symbol Symbol 136 128 12 Maplnfo Miscellaneous 0 0 X 5883 Se E Attract open to the tourist Font symbol Symbol 117 128 12 MapInfo Miscellaneous 0 0 X public 5806 Park and Ride tourist Font symbol Symbol 80 128 12 Maplnfo Transportation 0 0 X 5865 PPicnic Site tourist Font symbol Symbol 68 128 12 MapInfo Miscellaneous 0 0 X 5871 Preserved Railway tourist Font symbol Symbol 130 128 12 MapInfo Miscellaneous 0 0 X 5885 Racecourse tourist Font symbol Symbol 131 128 14 MapInfo Miscellaneous 0 0 X 5884 Ski Slope tourist Font symbol Symbol 80 128 14 MapInfo Miscellaneous 0 0 X 5849 Motoring Organisation Telephone Not used Font symbol Symbol 116 8388608 12 MapInfo Xx Transportation 0 0 5847 Public Telephone tourist Font symbol Symbol 116 128 12 MapInfo Transportation 0 0 x 5851 Theme Park open to the public tourist Font symbol Symbol 40 128 12 MaplInfo Real Estate 0 0 X 5866 Tourist Info
88. t trail DASHED INSERT GREEN NTRAIL G8065870 Zoo open to the public CONTINUOUS INSERT WHITE ZOO G8065871 Preserved railway CONTINUOUS INSERT WHITE PRESRLY G8065873 Craft centre open to the public CONTINUOUS INSERT WHITE CRAFTC G8065874 Wildlife centre open to the public CONTINUOUS INSERT GREEN WILDC G8065875 Aquarium open to the public CONTINUOUS INSERT CYAN AQUAM G8065876 Cave open to the public CONTINUOUS INSERT WHITE CAVE G8065877 Castle open to the public CONTINUOUS INSERT WHITE CASTLE Strategi technical specification chapter 1 v9 0 11 2013 Crown copyright Page 37 of 72 Feature code Feature name Linetype Line Entity Colour Block G8065878 Historic house open to the public CONTINUOUS INSERT WHITE HISHSE G8065879 Motor racing circuit CONTINUOUS INSERT WHITE MRCIRC G8065880 Nature reserve CONTINUOUS INSERT GREEN NATRES G8065881 Viewpoint limited CONTINUOUS INSERT WHITE VIEW G8065882 Viewpoint 360 CONTINUOUS INSERT WHITE VIEW360 G8065883 Other tourist attraction open to the public CONTINUOUS INSERT WHITE OTOURA G8065884 Ski slope CONTINUOUS INSERT WHITE SKISL G8065885 Racecourse CONTINUOUS INSERT WHITE RACEC G8065886 Garden open to the public CONTINUOUS INSERT GREEN GARDEN G8065887 Ferry boat CONTINUOUS INSERT CYAN FERRY G8065888 Ferry hovercraft CONTINUOUS INSERT CYAN HOVER G8065889 Tourist information centre seasonal CONTINUOUS INSER
89. torway over CONTINUOUS 3 POLYLINE BLUE G8065313 Motorway tunnel DASHED 1 POLYLINE WHITE G8065314 Road tunnel end symbol CONTINUOUS INSERT WHITE G8065320 Primary route dual carriageway CONTINUOUS 2 POLYLINE GREEN G8065321 Primary route dual carriageway planned DASHED 2 POLYLINE GREEN G8065322 Primary route dual carriageway over CONTINUOUS 2 POLYLINE GREEN G8065323 Primary route single carriageway CONTINUOUS 1 POLYLINE GREEN G8065324 Primary route single carriageway planned DASHED 1 POLYLINE GREEN G8065325 Primary route single carriageway over CONTINUOUS 1 POLYLINE GREEN G8065326 Primary route narrow CONTINUOUS 1 POLYLINE GREEN Strategi technical specification chapter 1 v9 0 11 2013 Crown copyright Page 34 of 72 Feature code Feature name Linetype Line Entity Colour Block G8065327 Primary route narrow over CONTINUOUS 1 POLYLINE GREEN G8065330 A road dual carriageway CONTINUOUS 2 POLYLINE RED G8065331 A road dual carriageway planned DASHED 2 POLYLINE RED G8065332 A road dual carriageway over CONTINUOUS 2 POLYLINE RED G8065333 A road single carriageway CONTINUOUS 1 POLYLINE RED G8065334 A road single carriageway planned DASHED 1 POLYLINE RED G8065335 A road single carriageway over CONTINUOUS 1 POLYLINE RED G8065336
90. tribute Point admin Font symbol Symbol 52 0 6 MapInfo Symbols 1 0 x 5720 County Boundary admin Line Pen 17 23 0 D 5725 County Primary Attribute Point admin Font symbol Symbol 52 0 6 MapInfo Symbols 0 0 x 5740 Unitary Boundary admin Line Pen 17 24 0 D 5744 Unttan Primary Attribute Point admin Font symbol Symbol 51 0 6 MapInfo Symbols 1 0 x 5730 District Boundary admin Line Pen 17 24 0 X 5733 District Primary Attribute Point admin Font symbol Symbol 51 0 6 MapInfo Symbols 0 0 X 5750 Associated Area Boundary admin Line Pen 17 23 0 X 5734 Administrative Detached admin Font symbol Symbol 50 0 6 MapInfo Symbols 0 0 X Attribute Point 5820 National Park Forest Park nat park Line Pen 25 3 32896 X Boundary 5821 National Park Forest Park Seed nat park Font symbol Symbol 50 32896 6 MapInfo Symbols 0 0 X Strategi technical specification chapter 3 v9 0 11 2018 Crown copyright Page 56 of 72 5 Land use Feature Feature name Folder Type Style Note code 5610 Wood Forest outer limit woodland Line Pen 1 2 32896 o 5491 Wood Forest inner limit Not used Line Pen 1 2 32896 D 5611 Wood Forest seed Not used Symbol Symbol 49 0 12 X 5610 Wood Forest polygon Not used Polygon Pen 1 1 32896 Brush 2 11599792 16777215 e 5612 Marsh
91. u must remember to type in the file extension in order to save the file correctly For example you can name a table as follows saints spirit of the south dbf 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 5397 100 km grid 5398 10 km grid Grid values No grid values Styling From January 2013 the Maplnfo files have new styling applied which is hard coded into the data files The data is supplied with a Styling Guide which explains how Customers can manage and alter these styles to suit their needs 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 Please note null values in MID tables will be shown 9999 Note column Meaning o No translation into MapInfo at present X Feature code translated into MapInfo e Extra feature codes created in Maplnfo Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 50 of 72 1 Communications Motorway Feature Feature name Folder Type Style Note code 5310 Motorway moto
92. uide and any guidance suggestion advice or explanation provided in it Ordnance Survey s liability to you in relation to the product is limited as set out in the OS OpenData Licence We may change the information in this guide at any time without notice We do not accept responsibility for the content of any third party websites referenced in or accessed through this guide or through the Ordnance Survey website Copyright in this guide This guide is Crown copyright 2011 All rights reserved You may copy or distribute any part of this guide to support the use of OS OpenData including for your personal use use in your organisation or business or for use with or incorporation in your product or application Strategi user guide preface v9 0 11 2013 Crown copyright Page 3 of 72 Data copyright and other intellectual property rights The Crown or where applicable Ordnance Survey s suppliers owns the intellectual property rights in the data contained in this product You are free to use the product on the terms of the OS OpenData Licence but must acknowledge the source of the data by including the following attribution statement Contains Ordnance Survey data Crown copyright and database right 2011 Trademarks Ordnance Survey the OS Symbol OS MasterMap and Strategi are registered trademarks and OS OpenData is a trademark of Ordnance Survey the national mapping agency of Great Britain Adobe and Reader are regi
93. water ft Font symbol Symbol 109 32896 12 Maplnfo X Cartographic 0 0 5621 Island Area Attribute Point land use Font symbol Symbol 51 16711680 6 MapInfo Symbols 0 0 x 5620 Geographical Area Attribute Point land use Font symbol Symbol 50 16711680 6 MapInfo Symbols 0 0 x 6 Other features Antiquities Feature Feature name Folder Type Style Note code 5810 Roman Road land use Line Pen 15 5 8388608 X 5812 Antiquity Line Detail dyke wall land use Line Pen 1 2 8388608 X and so on 5815 Hill Fort land use Font symbol Symbol 122 128 10 MapInfo Miscellaneous 0 0 X 5816 Battlefield land use Font symbol Symbol 118 128 12 MapInfo Miscellaneous 0 0 X Others Feature Feature name Folder Type Style Note code 5838 Landmark Antiquity dot tourist Font symbol Symbol 35 8388608 4 MapInfo Symbols 0 0 x 5837 Telephone Dot tourist Font symbol Symbol 35 128 4 MapInfo Symbols 0 0 X 5835 Television Radio Mast or Tower land use Font symbol Symbol 80 128 12 MaplInfo Real Estate 0 0 X 5843 Wind Powered Generator land use Font symbol Symbol 82 128 12 MapInfo Real Estate 0 0 X 5844 Windmill land use Font symbol Symbol 79 128 12 MapInfo Real Estate 0 0 X Tourist Feature Feature name Folder Type Style Note code 5860 Abbey Cathedral Priory open tourist Font symbol Symbol 69 128 12 MaplInfo Real Estate 0 0 X to the public 5875 Aquarium open to the public tourist Font s
94. y 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 DXF Data Exchange Format A proprietary data format devised by Autodesk Ltd by which digital drawings may be transferred between users of CAD systems 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
95. ymbol Symbol 120 128 12 Maplnfo Miscellaneous 0 0 X 5805 Camping and Caravanning tourist Font symbol Symbol 66 128 12 MapInfo Miscellaneous 0 0 X Combined Site 5861 Camp Site tourist Font symbol Symbol 58 128 12 MapInfo Symbols 0 0 X 5862 Caravan Site tourist Font symbol Symbol 66 128 9 MapInfo Miscellaneous 0 0 X 5877 Castle open to the public tourist Font symbol Symbol 68 128 14 MaplInfo Real Estate 0 0 X 5876 Cave open to the public tourist Font symbol Symbol 121 128 12 MapInfo Miscellaneous 0 0 X 5867 Country Park open to the public tourist Font symbol Symbol 64 128 12 MapInfo Miscellaneous 0 0 X 5873 Craft Centre open to the public tourist Font symbol Symbol 35 128 12 MaplInfo Real Estate 0 0 X Strategi technical specification chapter 3 v9 0 11 2013 Crown copyright Page 57 of 72 Feature Feature name Folder Type Style Note code 5890 Ferry Box Outline txttrans Fort symbol Pen 15 2 128 D 5887 Ferry Boat tourist Font symbol Symbol 107 128 14 MapInfo Transportation 0 0 x 5892 Ferry Catamaran tourist Font symbol Symbol 101 128 14 MapInfo Transportation 0 0 x 5888 Ferry Hovercraft Not used Font symbol Symbol 108 128 14 MaplInfo Transportation 0 0 x 5886 Garden open to the public tourist Font symbol Symbol 124 128 12 MapInfo Miscellaneous 0 0 X 5863 Golf Course tourist Fon
96. ype Style Note code 5025 Graphic Text City Primy Rte Dest txtother Text Font Arial 257 0 0 11599792 D 5041 Graphic Text Town Primy Rte Dest txtother Text Font Arial 257 0 0 11599792 x 5049 Graphic Text Village Primy Rte Dest txtother Text Font Arial 257 0 0 11599792 x Non primary route destination Feature Feature name Folder Type Style Note code 5026 Graphic Text City Not Primy Rte Dest txtother Text Font Arial 257 0 0 16777215 X 5006 Graphic Text Town Not Primy Rte Dest txtother Text Font Arial 257 0 0 16777215 X 5040 Graphic Text Village Not Primy Rte Dest txtother Text Font Arial 257 0 0 16777215 X Road numbers Feature Feature name Folder Type Style Note code 5031 Graphic Text Motorway Number txtttrans Text Font Arial 1 0 16777215 255 X 5032 Graphic Text Primy Route Number txtttrans Text Font Arial 1 0 16776960 32768 X 5033 Graphic Text A Road Number txtttrans Text Font X Arial 256 0 16711680 16777215 5034 Graphic Text B Road Number txtttrans Text Font X Arial 256 0 13671424 16777215 Dual junction divider line Feature Feature name Folder Type Style Note code 5109 Dual Junction Graphic Text Divider Line txtttrans Font symbol Symbol 51 255 9 MapInfo D Transportation 0 270 Motorway junction numbers Feature Feature name Folder Type Style Note code 5042 Graphic Text Mway Junc No Full Access txtttrans Text Font Arial 257 0 167772

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