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GIS Platforms for WINCE\374

1. Doc Nr Date 2006 05 15 Supervisors on CC System Markus Pettersson Student CC SYSTEMS Johan Persson and J rgen Martinsson Name Company Vector data Raster data Arc Pad ESRI ESRI Shapefiles shp MrSID JPEG BMP PNG CADRG ArcIVS GPS Protocol Builtin GPS support support NMEA TIF DeLorme Earthmate binary protocol PLGR Map X Mobile SpatialAce Light Edition Ivhplnfo Spatial Ace MapInfo TAB ESRI Shape files format tab shp MrSID JPEG JPEG GIF GIF BMP BNP PNG PNG TIFF ECW SPOT PCX Photoshop Targa WF SPEG200 Built in GPS No built m GPS support support Applications can import and display coordinates from a GPS device GpsTook GPS NET GIS NET Franson Geo Frameworks ESRI Shapefiles ESRI Shapefiles Cshp shp No information of raster data GIF BMP Built in GPS Built in GPS support support Access to GPS position speed and satellite information NMEA support MapACE DLL Graticule ESRI Shapefiles shp 5 2 EE EE E M H S DXF BNA VFF NTF NIF EMF Built in GPS support Contains functions that help you to parse NIME A Map ClassLib Net Graticule ESRI Shapefiles shp JPEG GIF BMP PNG TIFF MIFF No built in GPS support planned however 44 76 S k klass Filename GIS platforms for WinCE Doc Nr Date 2006 05 15 Superv
2. Student Markus Pettersson Doc Nr S k klass Supervisors on CC System Johan Persson and J rgen Martinsson Date Rev Filename 2006 05 15 GIS platforms for WinCE APPENDIX A Lab environment Active sync Windows CE application for ae a Studio 2005 CN tools Franson GPSTools Figure 41 The lab environment Figure 41 depicts the lab environment The development has been done in Visual Studio 2005 where a smart device application for C and Windows CE has been used Functionality from Franson GpsTool has been integrated in the solution Franson GpsTools Studio is a software used to define the raster maps to the format used in GpsTools MapLib For more information of how this is done see Appendix C The communication between the desktop computer and the on board computer is handled by Microsoft Active sync The onboard computer CCP XS run windows CE 5 0 and for the time of development a software Fransom GpsGate have simulated the GPS 62 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Microsoft ActiveSync Since there is no emulator for Windows CE 5 0 included in Visual studio we debugged the application direct on the on board computer Microsoft ActiveSync 4 0 is used to creat
3. 20 Oe rco LEKEN eee ee tenet UY 20 6 21 OVETVICW PENNE TERN RR NEPOS 20 6 2 2 The SPACE segment M EN SER 20 0 2 3 TH control SO SINE ocak estas radere oda dad as ueniet ete s RE DIM HEC MUR CUL on ni 20 p 24 The User Se ICI o ooi etie oup orm uu ep saa DM on Inde rs OAS ee ee 2 5 2 5 Principle for BIeasUre mie DES ooo rse ci Srei ie ee diber bdo hi Ufa ved eh mdapedua abet te r ses rena 21 0 20 ABEUPID I een ee rare oy em e Eie uU oti 24 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE LOMA MU DIESO nei MR I OU 24 6 2 9 eot P EAT UOI casi ose eee 24 6 3 GLONASS E E 25 US NES UI TT 25 UR EQUI C 25 DT OVEEVIGW iode RR GN NEUE MM HE O imme enews 25 65 NMEA RIP o M M 26 6 3 1 Proprietary Sentences 24s dociioi taie uicta beses NAN dcus eds ken NAN Nr doni E E 26 6 5 2 Talker SCH CNCCS eos Imt ad Mb useing ADMIN DUIS x MEL AUI US dh ran M EE 26 6 5 3 Query sie PER 27 6 5 4 GPS and NMEA 0183 p bo E dX State EEE a E A RES 27 Vas TRACI POTN T T C E 29 DAE SUF AC OS RR Cp 29 p WB Vr T 29 year nm 29 T2 3 Eart
4. Multipath is another source of distortion and can be described when additional signals are received from the satellites These situations arise when the signals are reflected against something e g a building This problem is solved by modern receivers which ignores the additional signal and only utilize the first signal detected since this is the signal with the shortest path from the satellites 6 2 8 Reference system The GPS system uses the WGS84 reference system which provides a good match between the ellipsoid and the earth s surface over the entire world The used Datum should correspond to the one used in the map where the position is presented 18 19 20 21 For more information on reference system see Section 7 3 24 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 6 3 GLONASS 6 3 1 Overview GLONASS Globalnaya Navigatsionnaya Sputnikovaya Sistema is a positioning system developed by Russia From the beginning it was like GPS a military project It started in 1982 and was supposed to have 24 21 3 spare satellites orbiting the earth But due to economic problems only ten are active today Feb 2005 During a period in 1996 all 24 satellites were in use The satellites orbit the earth in 3 different planes every 11h and 15 73 minutes There
5. Student Markus Pettersson Doc Nr S k klass Supervisors on CC System CC SYSTEMS Johan Persson and J rgen Martinsson Date 2006 05 15 Filename GIS platforms for WinCE GIS PLATFORMS FOR WINCE Student Markus Pettersson Master thesis 20p D level Department of computer science and electronics M lardalen University Supervisor Jonas Neander Examiner Mats Bj rkman 1 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE ABSTRACT This master thesis investigates on mission from CC systems the possibilities to use Windows CE 5 0 as a platform for Geographic Information System GIS with CC Systems onboard computer CCP XS Existing software based on PC technology cannot easy be translated and used in a system with Windows CE NET The purpose of this master thesis is to find and further adapt a suitable software or component for GIS The final goal is to write a demonstrator prototype The survey of development options and existing components for GIS and Global Positioning Systems GPS for Windows CE show that there exist several candidates for the CCP XS platform We will show that the most suitable architecture is NET Compact Framework NET CF and the most suitable component is Fransons GPS tools NET CF makes it possi
6. event RCM event OnMovement A S a Movement f Y GpsToolsNET Movement Heading object received pice MagneticVariation OnMovement event Speed N P x Inform the user of current speed j X P A Figure 38 Description of the OnMovement event The OnMovement event is raised when the speed and heading is determined A Movement object is received on event The object contains e Heading The current heading in degrees e MagneticVariation The variation in degrees between the heading in a compass and the heading received from the Movement object The heading received from a compass is based on the magnetic poles while the heading received from the Movement object is based on the real poles e Speed The current speed This event is only used to inform the user of the current speed when the GPS is connected Figure 38 55 76 CCSYSTEMS Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 11 4 4 Move around in the map It must somehow be possible to move around in the map By centring the map view on the spot the user click on solve this The event for clicking on the map view is also used for drawing shapes So when the user click on the map it can either be since he she want to centre the map on this
7. 42 43 44 45 46 47 48 49 50 51 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename GIS platforms for WinCE SpatialAce lt 2005 10 26 gt http www spatialace com Anders Forssell p SpatialAce Phone 46 31 775 5700 Press Releases Directions Magazine lt 2005 11 02 gt http www directionsmag com press releases index php duty Show amp id 11378 amp trv 1 amp PRSID cfa84a291b4adc5 9fec818c75290dc85 GISCafe 2005 11 02 http www10 giscafe com link display detail php link id 679 MapInfo MapX Mobile 2005 11 02 http www mapinfo com ArcPad 2005 11 08 http www itc virginia edu research esri arcpad html ESRI 2005 11 08 http www esri com What s New at ArcPad 6 from ESRI White Paper 2005 11 08 http whitepapers zdnet co uk 0 39025945 60047610p 390007014 00 htm Franson Quality software at affordable prices 2005 12 01 http www franson com Graticule Deriving Information from Location Solutions 2005 11 28 http www graticule com GeoFrameworks lt 2005 11 14 gt http www geoframeworks com Mobile Application Development eHow tos and Tutorials lt 2006 03 13 gt http www msdn net mobility windowsmobile howto ehowtos default aspx tehowto Geobusiness lt 2006 04 12 gt http www esbic ie geobusiness Mobile_GIS Main_Components htm gis 61 76 CCSYSTEMS
8. Date 2006 05 15 Filename GIS platforms for WinCE Icons Help cons Country Region International m Tt wizard Step 1 Select Datum or Grid Wizard step 1 Select Datum or Grid mll Datum or Grid Longitude Latitude Easting Northing http franson biz gpstools q support franson biz Cancel don t know for map projection SN Enter coordinates In this step you need to specify which coordinate system your raster map is using ll Select arid JUTM North was84 Zone 34 After selecting coordinate system click somewhere on the map and this dialog shows up 73 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE I wizard step 3 Enter scaling coordinate x Wizard step 3 Enter scaling coordinate 1 of 3 ml Bitmap X Y Il Easting Northing x uy Easting 613115 meters Y 194 Northing 6697037 In this step you must enter the geographic position which represtents the X Y position on the raster map In total you need to specify 3 coordinates The coordinate should be as far apart as possible for the You must enter the geographic position which represents the X Y position on the raster map In total you
9. East West E W 5 Universal Time Coordinated UTC Greenwich time HHMMSS SSS 6 Status Valid Not valid A V Table 4 The GLL sentence 26 27 28 28 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 7 GEODESY Geodesy can be defined as science concerning the size and shape of earth and how to determine positions on it 7 1 Background This chapter explains the fundamental terms and conditions for understanding the relation between the positions determined with GPS i e the geographic or geodetic coordinates and the position presented in a planar map referred to as grid coordinates Three surfaces are essential in geodesy and are important to understand 7 2 Surfaces 7 2 1 Ellipsoid An ellipsoid can be described as the surface that arises when a sphere with floating mass is rotated around its axis Figure 11 The shape of earth has similarities with this surface but in contrast earth has an irregular and complicated surface Therefore is it hard to use earth as a mathematic model for determining positions on it The ellipsoid works as a good approximation of earth and is an easier mathematic model due to its solid shape and smooth surface Figure 11 The ellipsoid 7 2 2 Geoid Commonly when people speak about heights for example Mount Evere
10. Galileo 6 2 GPS 6 2 1 Overview GPS or actually NavStar GPS Navigation Satellite Time and Ranging Global Positioning System is a worldwide radio navigation system where you can receive your current position through a GPS receiver Inl Satellite The system was originally developed by the U S department of defence DARPA and refers to ground stations receivers and a set of satellites constantly circling the earth The aim with the GPS was initially an application for military purpose Luckily in the 80s the use of GPS expanded and became available for civilian use as well The work with the GPS system proceeded and was fully extended for the civilian market in 1993 There are three segments of GPS Figure 4 Figure 4 The segments of GPS 6 2 2 The space segment The space segment includes the satellites it should be at least 24 of them 29 satellites in Feb 2005 which orbit the earth in six orbital planes every 12 hours or more precise every 11 h and 57 97 minutes They operate at high altitude to be able to transmit radio signals to a large area of the surface of earth The number and constellation of the satellites mean that at least 4 satellites are available all around the world 99 9 96 of the time But since the radio signals are low powered it is important to have free sight to the receiver The signals are strong enough to pass through glass plastic and clouds but not buildings rocks etc The inclination is 55 degr
11. another COM port XS Navi When a connection has been established and a fix is received the map view is centred on the current position The position is marked with a black rectangle ANTE ee Gas J rvsj n 2 qose If something is wrong with the connection or if no fix is made the user is informed H rt 10 28am BP 68 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Rev Filename Date CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Draw shape BE Draw shape v Center map on mouse clic Center map on GPS input Ft 5 1032 AM e From the drop down labelled Action choose Draw shape n J rvsj n rss sone a LJ Click on the new shape icon e Choose shape type polyline polygon or multipoint e Draw 69 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE Save Shape The current drawn shape is saved to an ESRI shapefile On click a Save file dialog is displayed Open Shapefile On click an open file dialog is displayed The chosen shapefile is displayed in the current layer in the map view Record track On click the current route is recorded The track is saved to a default shapefile program files xs_navi Shapefil
12. solved by first create a blank raster map MabLib and then draw the vector image on top of this blank image There must always be a raster image as background image The blank raster map has been scaled and adapted to the extreme values of the vector map 11 4 4 2 Open vector map in a new layer When a background image exists in the map view a vector map can be drawn on the existing layer or on top as a new layer If the vector map should be drawn in a new layer one must first add a new layer in the map view There is a class method for this in the class Map the class that controls the map view The vector image is then drawn on the current layer shape by shape Figure 35 Point Multipoint AU h S make appropriate ned drawing the specified shapetype and draw n m gt Line a J Check type of shape point line or for each shape polygone Polygone N n A Figure 35 Draw vector map in new layer 51 76 CCSYSTEMS Student Markus Pettersson Doc Nr S k klass Supervisors on CC System Date 2006 05 15 Filename GIS platforms for WinCE Johan Persson and J rgen Martinsson 11 4 3 The GPS functionality Franson GpsTools and the class NmeaParser handle the establishment of a connection between the application and the GPS receiver When the user tries to connect to the GPS device the search for a GPS begins The additional functional
13. 8 The process from WGS84 to Grid coordinates in RTUD noonoo 39 Spatial d ta models Lucas ek s ek YR EXER URN ORRH SE EU NEIN NH KS RREN QUERN KRERRERU CHER UMEN ER RERE ONE S MEC TRAINEE 40 BL VECIOT AOC ous sbnU REESE SUR Ud Ea UM E E MM ER NIUMUM ETIN E nn NO ANDA DIES 40 8 2 Raster IG NP TC OPERE 40 Bo ESRI vector d ta JOPIDOLs sus aen pat av posit absdiv tana qp EV URN CH BURNING KV RR ONIS ARN ALORS 41 5 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE OF LAY CIN oss sina arash cel cena E E SRS NRA bee NO 4 9 Comparison between existing SOFtWALE ccsssccssssccssssccssssccssssccsssessssscssssssssssssssesssssees 42 9 1 SpatialAce Light Edition LE iere rtr rr e a ota do Uva Mun ula RR edes Qa d yes rr soner nr rn nr rn 42 9 2 MapX MODULE 42 VIE VAG aft 1s meer 42 OA xpo ih ag sacs ast sade 43 9 5 MapA CGE DLL insit ss ren bene sabes esainsaneuatvasttace NVE NOOTE 43 DO Map Cla SLib NClsssisessrssssss ssndesssosesadirsn dess sdnnsnss araa s dens EEE EE EE EREE EEAS 43 9 7 GeoFrameworks GPS NET and GIS NET sssscisssssistvinansetibansseddetassesdosansnaioanendasiatssdetaaandde 43 DO Comp SON cesses ister api ra A EA EA EEE rE MIU M UNE 43 10 Discussio
14. A Kinematic measurement that uses pseudo range method to determine the distance to the satellites is called Differential GPS DGPS Measurements that use the carrier phase method to determine the distance to the satellites is called Real Time Kinematic RTK 23 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 6 2 6 Accuracy The U S interfered the GPS signal for civilian until the May 1 2000 called Selected Availability SA and led to a best accuracy just below 100 m Today when the SA has been turned off the accuracy is around 6 15 meters Differencing GPS DGPS described in section 6 2 5 5 further improves the position accuracy With the DGPS it is possible to achieve accuracy precision up to a centimetre 6 2 7 Distortion There are many distortions that can affect the accuracy in a GPS system One distortion is when the satellite radio signal travels trough the troposphere and especially the ionosphere The signals are distorted and satellites that are low on the horizon are especially exposed since the signals travels more troughs the atmosphere compared with satellites right above The distortion caused by the atmosphere can be managed most of the time The ground stations transmit correction signals to help the receiver correcting the calculation in real time
15. CONCLUSIONS SURVEY The goal was to find a suitable component for GIS The one that fulfilled our needs was Franson GPS Tools for Net compact framework The product had support for Bmp and GIF raster images and also ESRI shapefiles It was possible to convert a position between different reference systems and the position could also be projected to grid coordinates The component supported the Swedish reference system RT90 It simplified the connection between the application and the GPS receiver and supported the NMEA 0183 protocol 47 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 11 DEMONSTRATOR XS NAVI 11 1 The choice Fransons GpsTools has support for GIF and BMP raster images and also support for ESRI shapefiles This makes it possible to view a map The product simplifies the connection between the application and the GPS receiver contains classes that parse NMEA 0183 sentences support the Swedish reference system RT90 i e the position can be converted into the correct map Datum and projected into grid coordinates These features make it possible to show the current position on the map The position can then be visualized by drawing a mark for the current GPS position There was also some desirable functionality which would be handled if it were possible and if
16. assembly When the assembly should execute on the target computer it is compiled into native code by a Just In Time JIT compiler that translate the CIL instructions in the assembly to platform specific instruction Figure 3 Source code Language compiler 7 Assembly CIL metadata Compilation JIT Compiler Native code a Execution Figure 3 Compilation of Net based source code There are many advantages in writing managed code applications There are powerful development tools such as C which lead to fast developments Since the code is not specific to a particular hardware or software platform it reach more people and it is easier to maintain the code and by those means easier and cheaper to support the customers with new or improved functionality It is enough to change or improve one set of code instead of many which would be necessary in case of programming the application in native code Another 15 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE great benefit of managed code is that it creates a safe and robust code A big problem for developers is and has been memory management A majority of bugs is deduced from mistakes with memory management and memory le
17. htm Nationall Marine Electronics Wikipedia 2006 03 16 http de wikipedia org wiki Nationall Marine Electronics Geometric Aspects of Mapping 2006 03 22 http kartoweb itc nl geometrics index asp Lars Eklundh Geografisk informationsbehandling Metoder och till mpningar Tredje reviderade upplagan 2003 ISBN 91 540 5904 6 Jordens koordinatsystem Wikipedia lt 2006 03 02 gt http sv wikipedia org wiki Jordens koordinatsystem IMAGI Thema des Monats lt 2006 03 21 gt http www imagi de de thema c thema darstellung erde html Coordiantes datums projections 2006 03 06 http www fws gov southeast gis training 2k5 coordinates datums projections APR 04 ppt Geodetic services Overview 2006 03 10 http www osi ie gps overview index asp Ola Hall G ran Alm Stefan Ene Ulf Jansson Introduktion till kartografi och geografisk information 2003 ISBN 91 44 04050 4 Ian Heywood Sarah Cornelius Steve Carver An introduction to Geographical Information Systems 1998 ISBN 0582 08940 9 GIS monitor Newsletter Archive 2005 September 1 lt 2005 10 26 gt http www gismonitor com news newsletter archive 090105 php ADV Carmenta announces SpatialAce Light Edition LE lt 2005 10 26 gt http www 1 script com forums ADV Carmenta announces SpatialAce Light Edition LE article1522 21 htm 60 76 CCSYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 39 40 41
18. on CC System Date CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 Filename GIS platforms for WinCE 6 5 4 2 Global Positioning System Fix data GGA GPGGA dl d2 d3 dn cc lt CR gt lt LF gt Where the data fields d1 dn for GGA is described below Table 3 Field Description Format l Universal Time Coordinated UTC Greenwich time HHMMSS SSS d Latitude DDMMM MMM 3 N S indicator Hemisphere North South N S 4 Longitude DDDMM MMM 5 E W indicator Hemisphere East West E W 6 Position Fix 0 Invalid 1 Valid 2 Valid DGPS 3 Valid PPS 7 Satellites used Satellites being used 0 12 8 HDOP Horizontal Dilution of precision 9 Altitude Altitude according to WGS 84 ellipsoid 10 Altitude units M Meters 11 Geoid separation value The difference in meters between the WGS 84 ellipsoid and the main sea level geoid 12 Geoid separation unit M Meters 13 DGPS Age Age of DGPS data in seconds 14 DGPS station ID 6 5 4 3 Geographic position Latitude Longitude GLL Table 3 The GGA sentence GPGLL d1 d2 d3 dn cc lt CR gt lt LF gt Where the data fields d1 dn for GLL is described below Table 4 Field Description Format 1 Latitude DDMMM MMM 2 N S indicator Hemisphere North South N S 3 Longitude DDDMM MMM 4 E W indicator Hemisphere
19. receive information and the ability to use Lantm teriets friluftskartor RIK 1 4 Outline The report should preferable be read in chronology order Chapter 2 and 3 contains fundamental information about Geographic Information Systems GIS and the on board computer CCP XS respectively Chapter 4 presents Windows CE and the connection to closely related systems Chapter 5 present and summarize possible development alternatives with pros and cons for Windows CE Chapter 6 begins with an introduction to Global Navigation Satellite Systems GNSS where a detailed description of the Global Positioning System GPS follows GLONASS a Russian GNSS and a European system under development called Galileo are also presented The chapter ends with a description of the NMEA 0183 protocol for transferring of positioning information The next chapter presents geodesy Geodesy is the science concerning the size and shape of earth and how to determine positions on it We describe the fundamental terms for understanding the connection between geographic coordinates the coordinates received from a GPS and the planar coordinates used in flat maps Chapter 8 describes the raster and vector data format used to represent data in a GIS A survey over the most suitable components and software so far are presented in chapter 9 The chapter ends up with a comparison between the products In chapter 10 a discussion around the survey is conducted and cha
20. rr nr RANA DES e RuMA Deu d apa ORE 72 PRIUS PETALS FD tC 76 CCSYSTEMS PREFACE Student Markus Pettersson Doc Nr S k klass Supervisors on CC System Johan Persson and J rgen Martinsson Date 2006 05 15 Filename GIS platforms for WinCE Many thanks to CC Systems were I accomplished my master thesis I was introduced to a subject that I knew very little about Admittedly did my task sound very interesting like a big challenge and fun right from the beginning however the more I learned about the current subject the more fun and interesting it became Thanks to my master thesis I found a new area that I gladly and hopefully will enter more deeply in my future career Thanks go to my supervisors J rgen Martinsson and Johan Persson at CC Systems and Jonas Neander at M lardalen University Special thanks go to my friends family and my girlfriend that supported me during the project Your encourage words has been very valuable for me 7 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 1 INTRODUCTION CC systems is a company that offers control and information system solutions for machines and vehicles in rough environments for example in military vehicle and forestry machi
21. support for a Swedish reference system RT90 actually means in our case Le convert the position received in WGS84 to geocentric coordinates and then transform the position through the 7 parameter formula to the Swedish reference system RT90 Since the position in RT90 now is described in a geocentric coordinate system a conversion to a geodetic coordinate system is made Finally a projection trough the Gauss Kr gers projection is performed A conversion to other reference systems and the use of other projections follows the same pattern 21 29 33 36 Geodetic coordinates in gt wos Laket read ee vier verrite sipari Cerar to priche perati i c JEEP RI Latbude Longitude and halght Gendilc coordinates In over the ellipsoid Figure 25 From geodetic to grid coordinates 39 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 8 SPATIAL DATA MODELS There are two ways to handle geographic information in a GIS The models are raster and the vector spatial data model 8 1 Vector data The vector format uses Cartesian coordinates x y to represent the different shapes to with attributes can be connected The different shapes are e Points described with a single coordinate Figure 26 e Line Two or more coordinates linked to a sequ
22. supporting memory arrays lists object maps and arrays lists hash tables overhead simplicity data handling dictionaries and stacks Required for Good tool support A set of Powerful tool support device drivers wizards assists in adding Integrated Forms Designer message handlers to windows makes it easy to drag amp drop virtual functions adding items from a toolbox code forms and adding classes behind UI elements is automatically generated Required for Namespaces control panel applets Required for Automatic garbage collection shell extension eliminates memory leaks Does not Portable machine instruction 17 76 Student Markus Pettersson Doc Nr S k klass Supervisors on CC System Johan Persson and J rgen Martinsson CC SYSTEMS Date 2006 05 15 Filename GIS platforms for WinCE require a separate runtime to operate set MSIL CIL provides binary portable of executable exe amp dll files 5 2 2 Weaknesses of the APIs This table present the weaknesses for Win32 MFC and NET CF Win32 MFC NET CF Object cleanup is Object cleanup is only semi Overhead of calls between the responsibility automatic therefore less managed and unmanaged of the prone to memory leaks than code is high application driver Win32 but still somewhat programmer vulnerable since MFC is thin ma
23. time allowed One of those was layer handling This functionality has been implemented and it is possible to add and remove layers Enable and disable layers Track recording is another thing that was possible to implement Using Fransons GpsTools support for shapefiles has solved this Support for waypoints can easy be implemented using a class method that calculates the bearing between two coordinates The former have been left out as future work Additionally it is possible to target the NET Compact Framework and implement the demonstrator in C After the survey of development options this had appeared to be the best and most powerful alternative Fransons GpsTools also has a searchable forum for questions concerning the product Good guidance in form of examples fast support and advantageous prices 11 2 Franson GpsTools Franson GpsTools for NET Compact Framework is a class library delivered as three dll s e GpsToolsNET e GpsViewNET e GpsShapeNET GpsToolsNET contains classes helping developers with GPS programming i e there are classes for parsing of NMEAO0183 sentences One of the classes handles the serial connection to the GPS receiver There is support for conversion between different map datum and projection into grid coordinates It is also possible to define own Datum and Grids projection to grid coordinates GpsViewNET contain classes for control of the map view classes for displaying raster maps drawing shapes in the m
24. to be somewhere on the imaginary surface of the sphere with e Radius distance e Origin satellites position Figure 7 One satellite 16 Figure 8 When the distance of two satellites is determined and their positions are known the possible positions of the receiver can be limited to be where the two imaginary spheres intersect Figure 8 Two satellites 16 Figure 9 When a third satellite is involved the possible positions of the receiver can be limited to be two spots It is now possible to determine a two dimensional position on the surface of earth Figure 9 Three satellites 16 Figure 10 When a fourth satellite is used the precise position on earth can be determined i e a three dimensional position Figure 10 Four satellites 16 22 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 6 2 5 4 Methods for determination of distance to satellites There exist two different methods to determine the distance to the satellites Pseudo range measurement The distance to the satellites is determined through the relation d v t where d distance v velocity and t time The signals from the satellites travel with the speed of light v Satellites and receivers generate common time signals These signals make it possible to dete
25. 5 GIS platforms for WinCE 7 3 3 1 RH2000 SWEN OSLR is a national Swedish geoid model that is used in the vertical reference system RH2000 to convert the height over the ellipsoid received from SWEREF99 or WGS84 to heights over main sea level 7 4 Coordinate systems To be able to determine a position in a system one must refer the position to some sort of coordinate system There are two different types used when a position should be determined on earth or actually the ellipsoid Those are geodetic and geocentric coordinate systems In a map is a two dimensional XY system used 7 4 1 Geodetic coordinate system Geographic or geodetic coordinates and are presented as latitude longitude and height over the ellipsoid h 7 4 1 1 Geodetic latitude Reference surface ellipsoid Figure 16 Geodetic coordinate system 29 Latitude corresponds to the angle that arises between the normal to the ellipsoid of the current spot and the equator plane Figure 16 Latitude stretch within the range 0 90 degrees north or south Note that the normal from the spot doesn t intersect with the centre of the equator plane apart from the case when the normal is drawn from any of the poles or along the equator line 7 4 1 2 Geodetic longitude Longitude corresponds to the angle between the meridian plane and the current spot The meridian plane can be explained as the plane that cuts through Greenwich Figu
26. ET e g C NET Visual Basic NET J Delphi Managed CH hnywith Net or Net compact framework 45 76 S k klass Filename GIS platforms for WinCE Doc Nr Date 2006 05 15 46 76 Supervisors on CC System Markus Pettersson Student CC SYSTEMS Johan Persson and J rgen Martinsson Name ArePad Map X Mobile Spatial ce Light GpsTook GPS NET MapACE DLL Map ClassLib Net Edition GISNET Price Arc Pad Builder SDK Free Single developer Single developer For each Single developer Single developer 21 500 SEK License SEK license 30 000 OEM licence 349 development license 495 license 995 1 arcpad license 2500 unit SEK developer royaltyfree machine royalty runtime licence runtime licence call included Each Runtime license GpsGate 9 92 unit free min 25 250 adapted version of approx 2000 GPS NET 249 arcpad requires an SEK user GIS NET 299 Arc Pad license for 6 Plug in for ESRI 500 SEK each shapefiles 149 Additional plug in 179 99 Demo version Yes unlimited time Yes 30 days Yes 30 days Yes 30 days Yes one month No No Application restart possible to get GpsGate 14 days after 20 minutes expanded demo time during project Student Markus Pettersson Doc Nr S k klass Supervisors on CC System CC SYSTEMS Johan Persson and J rgen Martinsson Date 2006 05 15 Filename GIS platforms for WinCE 10 DISCUSSION AND
27. IS A geographic information system is an information system that are designed to work with data referenced by spatial or geographic coordinates In other words a GIS is both a database system with specific capabilities for spatially reference data as well a set of operations for working with data In a sense a GIS may be thought of as a higher order map 2 2 Mobile GIS Mobile or field GIS is an extension of a Geographic Information System GIS Mobile GIS enables people in the field to capture update manipulate analyse and display geographic information Mobile GIS integrate at least one of the following technologies e Mobile devices e Positioning determining equipment such as GPS e Telecommunication service provider wireless connection Internet access e GIS content provider Geographic Information Systems An Introduction Englewood Cliffs NJ Prentice Hall 1990 page 2 3 10 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Figure 1 depicts the structure of mobile GIS and explains how the different components interact 3 4 5 Components of Mobile GIS Telecommunications d Service Providers End User Devices Mobile e 1 ots s On Line Internet GIS Content Enabled Devices J Provider Position Web perver Determining Equ
28. TEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 11 4 Final design AN S bos map une sd Present a GUI where inel following alternatives are N availible for the user I TY A a gt o di Centre oc map gt Save AMA Handle Layers Mr X Connect GPS view on mouse lvlaw n Gps Input Draw shape V 7 ae A 7 w M an add new delete vector PAP i SANN for event from the user A 7 the task associated to ON current event Figure 34 The final design 50 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 11 4 1 Open raster map Before a raster map in GIF or BMP can be displayed in the map view it must be defined to a proprietary format MapLib This is done in GpsTools Studio see Appendix c The raster image can either be opened as a background image or merged into an already existing background image A class called Map handle the map view in GpsTools This class has been used during implementation to open a map In the demonstrator is it only possible to open the raster maps as background images 11 4 2 Vector maps 11 4 4 1 Open vector map as background There is no class method in GpsTools for opening a vector map as a background image This is
29. a Malm h gskola 2006 01 11 NOAA s National Ocean Service Geodesy 2006 03 21 http www nos noaa gov education kits geodesy media supp_geo09b4 html Pseudorange Wikipedia lt 2006 03 15 gt http en wikipedia org wiki Pseudorange GPS the key off it all lt 2005 10 12 gt http www eurofix tudelft nl gpsintro htm 59 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Master thesis 2005 10 20 http epubl ltu se 1402 1617 2002 141 LTU EX 02141 SE pdf Garmins GPS guide for beginners lt 2005 10 11 gt Geodesi GPS och detaljmatning Lantm teriet http www lantmateriet se templates LMV_Entrance aspx id 68 GLONASS Wikipedia lt 2006 02 23 gt http sv wikipedia org wiki GLONASS General GLONASS 2006 02 23 http www glonass center ru frame e html European Space Agency ESA 2006 02 21 http www esa int SPECIALS Galileo Launch index html Galileo Wikipedia 2006 02 28 http sv wikipedia org wiki Galileo The National Marine Electronics Association 2006 03 16 www nmea org Common GPS NMEA sentences 2006 03 16 http www commlinx com au NMEA sentences
30. aft notes intro intro html George B Korte P E The GIS BOOK 4 th edition updated and expanded 1997 ISBN 1 156690 127 8 Mobile GIS ref1 lt 2005 10 05 gt http www esri com software arcgis about mobile html Elektronik I Norden nr 17 2004 lt 2005 10 17 gt http www edtnscandinavia com tek showA rticle jhtml articleID 51201405 Microsoft Windows CE 5 0 overview 2005 10 17 http msdn microsoft com library default asp url library en us wceappdev5 html wce50oriDevelopingA pplication asp Microsoft Windows Mobile 2005 10 19 http www microsoft com windowsmobile about default mspx Windows CE Wikipedia the free encyclopedia 2006 03 13 http en wikipedia org wiki Windows CEfFeatures Tommy Niittula Windows Mobile programmering ISBN 91 44 03618 3 Application Development Landscape for Windows CE NET 2005 10 11 http msdn microsoft com library default asp url library en us dncenet html apdvlscape as Choosing a Windows Embedded API s vs the NET Compact Framework lt 2005 10 13 gt http msdn microsoft com library default asp url library en us dncenet html choose_api asp Microsoft Classes Exclusive to the NET Compact Framework Smart Device Projects lt 2005 10 17 gt http msdn microsoft com library default asp url library en us dv evtuv html etconclassesexclusivetonetcompactframework asp Andrew Troelsen Pro C 2005 and the NET 2 0 platform ISBN 13 978 1 59059 419 3 Cit kurshemsid
31. aks In NET developer does not need to think of memory leaks since the garbage collection automatically collect and return the used memory this is included and handled by the NET run time environment called Common Language Runtime CLR which is one of the two main parts of the NET Framework NET Framework consists of e Class Library e Common Language Runtime CLR The class library is common for all programming languages in NET Developers are no longer forced to choose a programming language depending on its class library or API They can choose language more freely without limiting the application The class library is also used for different kinds of applications i e windows forms web forms etc It is also possible to mix different NET languages in a project The CLR is based on the Common Language Infrastructure CLI specification which is an international standard for creating development and execution environments in which languages and libraries work together seamlessly CLR load and verify the code during time for execution is services concerning security allocation of memory and garbage collection offered Some of the cons of managed code are for example during that all threads are suspended during garbage collection This could in worst case lead to interruption up to several seconds were the user could not use the application There are also some limitations in the NET Framework and especially in the NET Compact Fr
32. amework NET CF which is a subset of NET Framework except from some unique classes that are not included in NET Framework NET CF is used in systems with limited resources for example in mobile devices and PDAs NET CF will be explained in more detail further on The limitations both in NET Framework and NET CF sometimes require calls to native code Managed code also execute slower than native code which should be considered in development of applications with high demands on fast execution Native code Native code is written to a specific set of software platform APIs and specific CPUs It offers higher performance than managed code Since applications developed with native code only can run on specific devices and software platforms this limit the use and complicate the support Work e g if an application should be distributed to many different platforms it is not enough to maintain one code set Native code also requires the developer to write its own security and management code which are handled automatically by CLR in managed code Tools for embedded systems have always been one step behind the tools for desktops This has changed 16 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE with NET and therefore is not the old tools for native code development as p
33. an Persson and J rgen Martinsson Date 2006 05 15 Filename GIS platforms for WinCE The difference between the custom platforms based on the core of Windows CE is the composition of components The platforms under Windows Mobile consist of a defined set of minimum requirements that should be fulfilled 6 7 8 9 10 14 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 5 Development alternatives 5 1 Managed Code vs Native To be able to choose development tools and the type of code managed or native to write for the application it is necessary to examine the different alternatives pros and cons Managed code is not specific to one software platform and processor but written to a set of run time environment APIs while native is launched to a specific one Managed code The source code written in NET is compiled into a language called Common Intermediate Language CIL by a compiler that supports NET CIL also called Intermediate Language IL and Microsoft Intermediate Language MSIL can be seen as pseudo code or a middle state for the code before it is compiled into native code on the target computer Information about the code such as data types is saved as metadata CIL and metadata is together called managed code and is saved in an
34. and assign the X DS position to the new node 9A N be gt NO Figure 39 Description of the OnMouseDown event The OnMouseDown event is raised when the user click on the map view On this event is one position object one point object and two short button and shift characteristics received The task that should be performed is handled with an event handler Figure 39 and concern drawing and centring of map view 56 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 11 5 The prototype XS Navi aR x FEL S22iem BZ Figure 40 The result of the implementation The demonstrator is implemented in Visual Studio 2005 and the programming language is C NET The aim with the demonstrator was to show that the required features could be fulfilled with a suitable component in this case Franson GpsTools for Net Compact Framework The requirements being presented in Chapter 1 3 were divided into minimum requirements things that must be fulfilled and implemented and desirable functionality things that would be fulfilled if possible and if time allowed The demands for minimum requirements have been implemented and additionally has also layer handling drawing own shapes that could be saved to file and track recording been implemented These were some of the functio
35. ap view and handle layers GpsShapeNET contains two classes one for creating shapes and one handling shapefiles 48 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 11 3 The design The original design in Figure 33 for the demonstrator is based on the required features in the beginning of the project The design has later for the time of implementation been extended and refined to what finally has been implemented This is presented in Figure 34 on the next page ge MN d NAS Present a GUI where the following alternatives are availible for the user E S ae J ET P E JU N va rd Fa a va N X v 4 Y pe IP EE E SEEN P N P fr N y 7N N Y N f b i Show current GPS pen ec raster Connect GPS position in map Handle shapefiles Handle Layers vector J view J J SN S NC Sj bN A ne f P EN i Waiting for event from the fo user Z Sy d N X M g X E x N ud m Us N P w M y X x Perform the task associated to the current event J P4 Figure 33 The original design 49 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYS
36. are two types of signals in GLONASS standard precision navigation signal SP and High precision navigation signal HP SP is available for civil users and the horizontal accuracy is 57 70 meters and the vertical is 70 meters If GLONASS would contain all satellites that were attended it should cover the Swedish geographic location better than the GPS since the inclination for GLONASS is 64 8 degrees which is in height with Skelleftea 22 23 GLONASS use a reference system called PZ 90 6 4 Galileo 6 4 1 Overview Galileo is the European counterpart to GPS It is a global navigation satellite system that is under development and driven as a partnership between the European Space Agency ESA and the European Commission It is the first satellite e navigation system that has been developed for civilian and commercial use solely But why develop a new system when GPS is available One of the premier reasons for this is to decrease the dependence of the GPS system since the G A L L z Americans can activate the SA whenever they want Another reason is that the responsible for GPS and GLONASS not give any guaranties about maintenance and availability of the systems Galileo is expected to be ready in 2008 and the first satellite Giove A was successfully launched on the 28 Th of December 2005 Galileo will be inter operable with GPS and GLONASS which is positive since the user will be able to determine their position with help from any
37. ate a route 66 76 Student Markus Pettersson Doc Nr S k klass CC SYSTEMS Supervisors on CC System Johan Persson and J rgen Martinsson Date 2006 05 15 GIS platforms for WinCE Rev Filename APPENDIX B User manual for the demonstrator XS Navi XS Navi Connection of the GPS Info about current speed over ground Info about current position Action to nerform IE x peru m area A Zoom in Zoom out EN le 2 New shape object Type of shape Center map on rouse i LAR gt a map on mouse click iCenter map on re Draw shape s glDelete Object oe Handle layer Open shapefile 67 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Connect the GPS e Choose COM in the mH drop down labelled Set Center map on mouse port H Gu e Set the baud rate to 4800 in the drop down labelled baudrate e Press the connect GPS button e From file menu choose Connect the GPS e No settings needed z eae 5a pja default settings for CCP XS used e Choose Auto in one or both of the drop downs However the last choice can led to disconnection of other devices connected to another COM port This method should therefore only be used if no additional devices are connected to
38. ble to write managed code and the tools available for NET CF render a more powerful programming possible Franson GPS tools fulfil the requirements and have compared with its competitor additional benefits We have in this thesis limited ourselves to find a component that fulfils some desirable features and write a simple demonstrator in C demonstrating these features The component should have support for ESRI shapefiles and the Swedish reference system RT90 It should be possible to view a map in a suitable raster format and receive a position from the GPS SAMMANFATTNING Det h r examensarbetet unders ker pa uppdrag av CC Systems m jligheterna med att anv nda Windows CE 5 0 som en plattform f r Geografiskt Informations System GIS pa CC Systems fordonsdator CCP XS Befintlig mjukvara baserad pa PC teknologi kan inte enkelt verf ras och anv ndas i system med Windows CE NET Avsikten med det har examensarbetet r att hitta och anpassa en mjukvara eller komponent f r GIS Det slutgiltiga m let r att implementera en demonstator prototyp Unders kningen av utvecklingsalternativ och existerande komponenter f r GIS och Global Positioning System GPS f r Windows CE visar att det finns flera kandidater f r CCP XS plattformen Vi kommer att visa att den mest l mpliga arkitekturen ar NET Compact Framework NET CF och den mest lampliga komponenten ar Fransons GPS tools NET CF g r det m jligt att skriva managed kod och ver
39. ces The listeners use this sentence to request a specific sentence from a talker In general cases the sentence can be written as ttllQsss lt CR gt lt LF gt where tt is the talker ID ll is the talker ID of the talker being queried Q define that the message is a query sss is the Sentence ID requested 6 5 4 GPS and NMEA 0183 The GPS receiver work as talker and transmit the NMEA sentences to the listener in this case the application The talker ID in the talker sentences is denoted with GP for GPS There are about fifty different commands or sentence IDs for GPS today Three of them RMC GGA and GLL contain facts about the positions 6 5 4 1 Recommended minimum specific GPS Transit data RCM GPRMC dl d2 d3 dn cc lt CR gt lt LF gt Where the data fields d1 dn for RCM is described below Table 2 Field Description Format 1 Universal Time Coordinated UTC Greenwich time HHMMSS SSS P Status Valid Not valid A N 3 Latitude DDMMM MMM 4 N S indicator Hemisphere North South N S 5 Longitude DDDMM MMM 6 E W indicator Hemisphere East West E W 7 Speed over ground knot D DDD 8 Course over ground degree DDD D 9 Date DDMMYY 10 Magnetic variation degrees DDD D 11 Magnetic variation East West E W Table 2 The RMC sentence 27 76 Student Markus Pettersson Doc Nr S k klass Supervisors
40. ck Help koreaaernde Ji I Avbryt Hj lp Figure 45 Get connected dialog Run the program repllog on the on board computer PDA K r ixi Skriv in namnet p ett program en mapp eller ett dokument som du vill ppna ppna repliog Avbryt Bl ddra Figure 46 Run repllog The connection should now be established Figure 47 65 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Microsoft ActiveSync fa xj File View Tools Help 9 o s s Syne Stop etails Explore Options CCPXS 39046 v2 Connected Synchronized Information Type Status Figure 47 Connection established Alternatives to Microsoft active sync For those how does not want to involve Active sync which demands a serial connection there are other alternatives one is described on http msdn2 microsoft com en us library ms228708 aspx By using this method it is possible to debug without any serial connection Franson GpsGate GpsGate is software from Franson and has been used to simulate a GPS i e transmit NMEA 0183 sentences on the COM port This product has been very helpful during the development since it is hard to receive GPS signals from the real GPS indoors This software has also been used during demonstrations to simul
41. data other function possible to implement with MapACE are panning and zooming rotate vector map data handling layers etc 48 9 6 MapClassLib Net MapClassLib Net is a class library for mapping and is also developed by Graticule It targets NET runtimes environments including Windows CE 5 0 The MapClassLib DLL include classes for map display It is possible to import raster and vector data pan zoom and handling of layers 48 9 7 GeoFrameworks GPS NET and GIS NET GeoFrameworks is specialized in creating software components targeting the Microsoft NET platform Their firm product is GPS NET which helps the user with basic GPS functionality Among others support for automatic GPS device detection and creation of own virtual GPS device is included One Class convert raw data from NMEA strings into objects To achieve mapping functionality GeoFrameworks offers GIS NET These two products together with an ESRI Shape file plug in which enable the use of ESRI shape files would work as a stable ground for a navigation application with the specified demands from CC systems GPS NET and GIS NET are available for a wide range of platforms including Windows CE Pocket PC and the Windows mobile 5 0 49 9 8 Comparison A comparison between the seven alternatives in matrix form follows and will work as a basis for the decision of appropriate core for the demonstrator 43 76 S k klass Filename GIS platforms for WinCE
42. e Re eee SUSSEN NNE Pe a ee 9 2 Introduction tO 21S s sssssssoosssss ossosss sssvs ssess ssseocsssssa se50555ss 0s ss0s0sss5e005k55 005056555ss 05 ssesosssssnn 10 2 1 What is Geographic Information System GIS cessent 10 2 2 M bile GIS ME A 10 3 The on board computer Cross country pilot xs CCP xs cesse eere ee eene eene 12 OESTE 12 PAET T OINAS E TEE E E 13 NEQU E A E N E 13 4 2 Windows CE Pocket PC and Windows Mobile esee eene 13 5 Development alternatives iuc iaceo tein eo pe Rn Fe enn i brani aet S cel ION IRE kk FX QE eu EX ERE Cel 000000 000000 00000 15 3 4 Managed Code ys JVallVE sneti e ia E E E Ea Urea qu dua Plau pus ufu 15 5 2 Available APIs and development tools 2 iden i rkxect epa px YREMIB Pen RIARNEH FIT MIA PA VAR USER 17 M Strengths of the APIS sissien reee E A E ser bese vadesaasssansanceoneoetdes 17 3 2 4 Weaknesses Of th APS reccsent iea AEAEE TRT 18 3 9 WINdOWS 32 bit WIN 32 4e in tie vetet A Pe ev A EEEE 18 5 4 Microsoft Foundation Classes MF OC ssssssssseesrsssrsrrrrrsrrrrrsnrrnssrrrrsrrrrrrsrrrrn o MR XN qan 18 5 5 NET Compact Framework NET CP J ssosssesssssrsssssssrrrrrsenrrseerrrrsrrrrrrrrrrrrrrrrr rss nn nr EAM enn nn 18 6 GNSS Global Navigation Satellite System sssossoososssccssssossorssorsonssrnseroernernssrrenrsre 20 6 1 OVE VIEW MMR E
43. e a connection between desktop and the on board computer ActiveSync is used to transfer the data and to synchronize the desktop computer and PDA s To establish a connection start Microsoft ActiveSync on the desktop computer The first time established a connection a set up partnership between the device and the desktop must be created Figure 42 New Partnership xj Set Up a Partnership Before you can synchronize information between your mobile device and this computer you must set up a partnership between them Would you like to set up a partnership epe iL Set up a partnership so that can synchronize information between my device and this computer C No don t want to synchronize information Set up my device as a quest so that can copy or move information between my device and this computer Nasta gt Avbryt Hj lp Nasta gt ew Hie Figure 42 Set up a partnership 63 76 Student Doc Nr Markus Pettersson S k klass Supervisors on CC System Date Rev CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 Filename GIS platforms for WinCE Choose what should be synchronized Figure 43 press next New Partnership Select Synchronization Settings Select the type of information you want to synchronize To synchronize a particular type of information select its check box To stop synchronization of that informat
44. ees This is about equal to the south of Bornholm 6 2 3 The control segment The control segment consists of five control stations sited at various places around the world These stations calculate the positions for the different satellites and a master control station update the satellites with orbital and clock corrections 20 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 6 2 4 The user segment The user segment includes the user and the GPS receiver To be able to calculate the three dimensional position at least four satellites must be in direct sight and for a two dimensional position three satellites must be in sight The position is calculated trough triangulation Due to the inclination it is easiest to receive a position if there is free sight to the south 6 2 5 Principle for measurements The principles for GPS measurement can be divided into two main types absolute and relative measurements 6 2 5 1 Absolute measurement The position is determined with help from satellites and one receiver Figure 5 Calculations concerning the distance to the satellites are computed in the receiver The message from the satellites contains the satellites orbital parameters which makes it possible to determine their position The distance together with the position of the
45. ence Figure 27 e Polygon or Area a sequence of lines where the first and last coordinates are the same Figure 28 Za Figure 26 Points in vector format Figure 27 Line in vector format Figure 28 Polygon in vector format 8 2 Raster data The raster format consists of rows and columns of cells where each grid holds a geographic location The most common use of the raster format is for images but the grids can also hold other information than colour e g precipitation for a specific geographic location wn Figure 29 points in raster format Figure 30 Line in raster format Figure 31 Polygon in raster format 40 76 Student Markus Pettersson Doc Nr S k klass Supervisors on CC System CC SYSTEMS Johan Persson and J rgen Martinsson Date 2006 05 15 Filename GIS platforms for WinCE 8 3 ESRI vector data format One popular and common vector format is ESRI shapefiles The structure of the shapefile includes three different types of files that together create a dataset The file with the suffix SHP handle the geometry x y the suffix DBF contains possible attributes to the shapes in the SHP file The last file with the extension SHX connects the two former The shapes described in subsection vector data are often referred to as Ge
46. es track shp when the user clicks the button the second time Zoom The zoom functionality in the demonstrator only affects the size of the pixels The resolution is the same I e when the zoom in button is clicked a smaller area is displayed but the reslution is the same Rotate The map view is rotated with the number of degrees given in the textbox 70 76 Student Doc Nr S k klass Markus Pettersson Date Rev Filename Supervisors on CC System CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Handle layer olx Center map on mouse v 2 I te man Ly Layer B SLL G22 BP e New layers can be created on top of the background map The meaning of background map is in this case the map that has been opened at first By clicking the New Layer button a layer with the name written in the textbox is created A layer is active when the user selects it in the drop down menu The delete all button deletes all layers except the background map MapLib The delete button deletes the active layer The enable and disable buttons enable or disable the active layer 71 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE APPENDIX C Define raster map in GpsTools Studio GpsTo
47. h SUTf CG oom Dr Od code Doe p intu dad MON eU ee SES 30 7 3 Referenc SysteMS eR 30 Poel Global reference SyStEMS sss pene uide dades si heesteasacennedinaseuuetddetenesteeortanhatenelnaceasts 30 y amicizia e 31 7 3 3 Vertical reference Sy Steins ssssssssiyssosssersisedssrnisd sees seed esnpedede rv adde sen ir ere bris sn ERA 31 74 Coordinate SYSTEMS aactor aed straits cease nens Rd PER Du E Sp E qu dS 32 7 4 1 Geodetic coordinate system smsssssssssssressrresrrrerrrerrresrrrrrrrr rens sense rr RnB Unda rr rr sn rer rr rn 32 T2 Geocentric coordinate Systemi 2 sccrssscecavensaacavszenteseardnndsuieaatssasuantanssnedteassesnntevenstanen 33 7 4 3 Transformation from geodetic to geocentric coordinates sssssessressressosrsrsrrssrrnn 33 7 4 4 Plane coordinate System a8 hase sss steal bagi dha aca dvsness rn ns sr Rs rr rr sr rr son n sr soner sn nr sr n a 34 7 5 Conversion between different reference systems eese eene 34 7 5 1 Th 7 Parameter TGR iac cao nro cinia e iet deckt erasers dase dnr tma os seus 34 T2 Direkt projektion o 36 7 6 How p sition are presented sissies i Subs ete ddr a a ea 36 7 7 Map projections P E E EE EEEE AE EISE wi EEEE E 37 TALI Cylindrical DEOISOLION ag oxi aces coaupacdencanaca ee actor areosas equ pev ete a s Eiai 37 TI eo viti Al Projeti sosisini a E E E R SodEn sons Rdr 38 y AE iira R E A A E ETE A ETE 38 7
48. h Windows CE as platform This thesis will focus on investigating the possibilities of using the on board computer as a platform for GIS i e find suitable software and bring it into line with consumer needs 1 2 Goal and purpose The purpose of the master thesis is to find and further adapt a suitable software or components to illustrate the possibility of using the on board computer CCP XS as a platform for GIS The goal is to develop a demonstrator which can attract customers and show that CCP XS can be extended for further use 1 3 Delimitations The minimum requirements for this thesis were stated in the beginning of the project We also stated desirable functionality implemented if time allowed Minimum requirements It should be possible to view a map in a suitable format for raster pictures i e GIF Graphics Interchange Format Support for ESRI shapefiles which is a common vector format in GIS 8 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE The demonstrator should be able to receive the current position from the build in GPS and present it on a map and have support for the Swedish reference system RT90 Desirable or bonus functionality Show isohypses Swe h jdkurvor simular to handle and show layer show waypoints track recording transmit and
49. hen something happens on the serial link to the GPS On event is a ComStatus object received This object contain the following information e ValidNmea True if a connection to the GPS has been established e ValidFix True if a position is determined e ComPort and baudRate contains information of the connection This event is used to inform the user of the current GPS status Figure 36 53 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 11 4 3 2 GPS Position NmeaParser A p GpsFix PortEnabled Position BaudRate GpsToolsNET GpsFix FixType object recieved OnGpsFix omPort UTC GpsDatum SM NoEvents N y Parent S M ae AllEventsGeneric Er ChecksumMandatory a E Convert the geografic coordinates N Dispose received in the GpsFix object to right b Eventinterval Datum and project the geographic GetGpsFix pu coordinates to grid coordinates VA GetSatellites Se GetMovment i GetQuality RV a GetComStatus S P CNW pd N W it D t P P eee Center the mapview on the grid WriteDa a E P lt If Action Center on GPS input gt true coordinat and present the current event OnGpsFix Ss ee position s EN Pd N x event OnSatellites Ske 4 0 o eve
50. hical User Interface GUT should also be possible to affect to get a personal touch As mentioned earlier ArcPad is adaptable but not as flexible as you could wish 44 45 46 42 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 9 4 GpsTools GpsTools is a product developed by Franson Technology Franson offers solutions for the GPS software market GpsTools is an easy and cost effective way to develop GPS mapping and basic GIS applications in Visual Studio With help from GpsTools it is easy to access GPS position speed and satellite information There is support for vector and raster data It is also possible to convert coordinates between different coordinates systems something that is necessary to receive planar coordinates from the geographic coordinates received from the GPS It is possible to rotate and zoom the map GPSGate is an additional tool from Franson Technology With GpsGate it is possible to simulate a GPS device during development 47 9 5 MapACE DLL Graticule is a company within Digital mapping One of their products is a software component library for mapping in Windows CE environment To develop applications using the MapACE DLL eVC 4 0 or Visual studio 2005 is used i e only native code development is possible There is support for map and raster
51. ion clear its check box Mobile Device Desktop Computer Microsoft Outlook OC Channels Channel Synchronization MB Contacts Microsoft Outlook O Files Synchronized Files O Inbox Microsoft Outlook amp Pocket Access Microsoft Databases vi v Tasks Microsoft Outlook To find out more about and to customize what gets synchronized click Settings on that information type in the list and then click Settings Figure 43 Synchronization settings From File menu choose get connected Figure 44 Microsoft ActiveSync File View Tools Help Synchronize Stop Options Mobile Device Explore Delete Partnership Connection Settings Close Figure 44 Get connected lt F reg ende Avbryt Hj lp 64 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE When the dialog in Figure 45 shows up click next At the same time one click next execute a program on the on board computer see Figure 46 Get Connected X Get Connected To connect your device to this PC 1 Connect the cable to the PC 2 Turn on the device 3 Place the device in its cradle ActiveSync should automatically detect your device If your device is not automatically detected click Next If you are using infrared IR or Bluetooth cli
52. ipment e g GPS P LAN m GIS Server Off line Devices Database Servers Figure 1 Components of mobile GIS 51 11 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 3 THE ON BOARD COMPUTER CROSS COUNTRY PILOT XS CCP XS 3 1 Overview The CCP XS Figure 2 developed by CC Systems is a compact on board computer for Windows CE NET and Linux There are built in modems for GPRS GSM WLAN and bluetooth communications The on board computer also offers a built in GPS receiver these features together makes it ideal as a mobile client for transportation and logistics Further is CCP XS used in control systems for machines and vehicles where the on board computer can work as a control computer and Man Machine Interface MMI MMI means that the user can control and receive information from the system through input and output on the display Figure 2 The on board computer CCP XS CCP XS support CANopen a protocol for communication buses that are used in many machines The CPU used in CCP XS is an ARM processor of type Intel Xscale a high performance processor with low power consumption A non rotating hard disc compact flash is used to make it durable and well suited for tough environments 2 GPRS GSM General Packet Radio Services Global S
53. isors on CC System Markus Pettersson Student CC SYSTEMS Johan Persson and J rgen Martinsson Name Adaptable CPU support Supported OS and environment ArePad Yes with ArcPad Application builder which include ArcPad studio ARM including StrongARM and XScale Hitachi SH3 and SH4 MIPS x86 Win Ivpbile 2003 221 edition for Pocket PC Pocket PC Pocket PC 2002 Pocket PC 2003 Windows CE net 4 1 and 4 2 Windows CE 2 11 AMIEL x Windows 95 98 2000 Ive NT EP MapX Mobile Yes with Microsoft Embedded tools using embedded CHor NET Windows CE 2003 device and emulator support using the eV C 40 compiler Service Pack 3 Strong Arm or Xscale Pocket PC 2003 Pocket PC 2003 phone edition SpatialAce Light Edition Yes The Spatial ce Development Environment or Visual studio NET SpatialAce LE is implemented in Java 2 Standard Edition J2SE Java 2 Micro Edition J2ME NET and NET CF J2SE JME NETE NET CF Windows Pocket PC GpsTook Yes Visual Studio 2003 pro or Visual Studio 2005 standard or pro Windows PocketPC Windows CE ActiveX NET 10 1 1 and 2 0 GPS NET GISNET Yes with Visual Studio 2002 2003 Any with Net or Compact Framework MapACE DLL Yes eVC 40 Visual Basic Win CE 3 0 only Windows CE30 Windows CE42 Windows CE50 Map ClassLib Net Yes any N
54. itude follows the same pattern as for latitude with one exception The degrees are presented with three numerals this since longitude stretch from 0 180 degrees west and east and latitude are presented within the range 0 90 degrees north and south Easterly is described with and westerly with Height over ellipsoid ee 39 Described as positive or negative altitude in meters over the ellipsoid 30 31 7 7 Map projections This chapter has so far explained that there are different kind of reference systems and how it is possible to convert from one reference system to another The purpose with this chapter was to show the relation between the coordinates received from the GPS and the one presented in a planar map The map projection can be seen as the last step in this process Where the geographic coordinates latitude longitude and h is projected into plane grid coordinates x and y coordinates or Easting and Northing There are three main types of map projections cylindrical azimuthal and conic 7 7 1 Cylindrical projection The earth is projected on a cylinder that is wrapped around the world The cylinder can then be unrolled into a plane Figure 22 There are two main types of cylindrical projection normal cylindrical projection and traversal cylindric projection These two models differ in the way earth axis corresponds to the symmetry axis of the cylinder In the normal cylindrical projecti
55. ity in the application that concerning the GPS is ruled by three events that are triggered when e something happens on the serial link e a position is determined when a RCM GLL or GGA sentence is received with a valid position e a movement is determined a RMC sentence has been received and the tasks that should be performed are handled with an event handler for each event Each of these events is caught and handled by an event handler These are described in more detail on the following pages 52 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE GpsDatum NoEvents Parent i AllEventsGeneric GpsToolsNET ComStatus ChecksumMandatory EC recieved misc cg nComStatus event Dispose w baudRate Eventlnterval GetGpsFix GetSatellites GetMovment GetQuality GetComStatus WriteData Check if a connection has been event OnGpsFix established and if a position is event OnSatellites determined event OnMovement event OnQuality event OnComStatus event Generic E eu Inform user of status event RCM 11 4 3 1 Serial link to the GPS NmeaParser PortEnabled BaudRate ComPort Figure 36 Description of the OnComStatus event The OnComStatus event is generated w
56. king this API wrapper on top of Win32 prone to memory leaks Low level API Binary size Binary size Procedure COM Interoperability oriented API not object oriented Requires writing Win32 wrappers that call the COM interface functions In common for all the APIs mentioned in sub section 5 2 is that they are subsets of their equivalences in the desktop versions for Windows But only Net Compact framework has received a unique name The others MFC and Win32 have the same name in Windows CE as in the desktop versions 5 3 Windows 32 bit Win32 Win32 is a low level API on which all the other APIs rely on in the end 5 4 Microsoft Foundation Classes MFC As a consequence of the difficulties targeting a low level API involve MFC were created as an object orientated layer on top of Win32 5 5 NET Compact Framework NET CF 18 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE The NET Compact Framework is said to be a subset of the NET Framework which is available for desktop computers It would however be more correct to say that NET Compact Framework contains a subset of classes from the NET framework since it also has some exclusively designed classes that are not included in NET Framework There are classes that concern infra
57. ktygen som finns for NET CF m jligg r en kraftfullare programmering Franson GPS tools uppfyller kraven och har i j mf relse med sina konkurrenter ven andra f rdelar 1 Environmental System Research Institute ESRI shapefile a file format for vector graphic 2 76 Student Markus Pettersson Doc Nr S k klass Supervisors on CC System CC SYSTEMS Johan Persson and J rgen Martinsson Date 2006 05 15 Filename GIS platforms for WinCE Vi har i det h r examensarbetet begr nsat oss till att hitta en komponent som uppfyller n gra utvalda och nskv rda egenskaper och sedan implementerat dessa i en demonstator i C Komponenten ska ha st d f r ESRI shapefiler och det svenska referenssystemet RT90 Det ska vara m jligt att visa en karta i l mpligt raster format och ta emot en position fr n GPS en Environmental System Research Institute ESRI shapefile ett filformat f r vektor grafik 3 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE TABLE OF CONTENT Table Of eniirui cp 4 1 IntrodUClION mec P 8 P Problem 21011701319 RR TREE rm 8 1 2 Goal and purpose ipu cabida rusa ah tei ee ica DR RE 8 L 3 DEPOT T 8 IESU ene en
58. lipsoid constitute a reference system The parameters of the ellipsoid should be adapted so the surface of the ellipsoid coincides as much as possible with the surface of the geoid Figure 13 A reference system is described in a geodetic datum where the size shape and location of the ellipsoid are specified Global ellipsoid Local ellipsoid Geold Figure 13 Reference system A reference system also describes how we can determine positions that are related to it There are horizontal vertical and geoid height reference systems global and local that considers describing the whole world or just a limited area 7 3 1 Global reference systems A global reference system represents an ellipsoid that coincides with the geoid surface around the whole p globe Figure 14 The GNSS in use today cover the whole globe and itis therefore necessary to also have a global reference j system to be able to determine a position on earth eae Figure 14 Global reference system 7 3 1 1 World Geodetic Datum 1984 WGS84 WGS 84 is the most commonly used global reference system and provides an accurate fit between the ellipsoid and the geoid This is the reference system that GPS use GPS80 is the ellipsoid used in WGS84 reference system 7 3 1 2 International Terrestrial Reference Frame ITRF and SWEREF99 ITRF is a group of global reference systems with high accuracy 30 76 Student Doc Nr S k klass Markus Pet
59. m 7 5 1 1 Parameters for conversion from WGS84 to RT90 AX 414 0978567149 Q 0 8550434314 AY 41 3381489658 Q 2 1413465185 AZ 603 0627177516 Q 7 0227209516 0 0 ppm 7 5 2 Direkt projektion At Swedish lantm teriet has a method been developed that transform the coordinates from latitude longitude in one reference system directly into grid coordinates in another reference system The method is called Direkt projektion and it use a projection called Gauss Kruger projection The whole process is handled in one step unlike the 7 parameter formula The two methods result in about the same accuracy 7 6 How position are presented The international standard ISO 6709 1983 state how the position should be presented Latitude Degrees and decimal degrees DD DD Degrees minutes and decimal minutes DDMM MMM Degrees minutes seconds and decimal seconds DDMMSS SS Where One degree is equal to 1 360 of an orbit One minute is equal to 1 60 of a degree 36 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE One second is equal to 1 60 of a minute ee 99 Northerly latitude is described with and southerly as The number of decimals in decimals degrees minutes and seconds can be extended to increase the accuracy Longitude Long
60. m The most accurate Swedish model of the ellipsoid differs within the range 15 m from the geoid This is the reason why many national or local reference systems for ellipsoid are used instead of global But this has not only been positive Many municipalities have their own reference system and sometimes multiple reference system is used within the municipality This complicates the cooperation between organisations that want to make use of material based on another reference system One must the have knowledge of conversion between different systems and projections 7 3 2 1 RT90 RT90 is one example of a local reference system It is a Swedish horizontal reference system which use Bessel 1841 ellipsoid Many maps and data in Sweden are based on this system 7 3 3 Vertical reference systems A vertical reference system is used when heights over the ellipsoid should be transformed to heights over the geoid height above main sea level During the transformation is a geoid model used which describe the surface of the geoid The relation is depicted in Figure 15 Earth surface T 4 Geoid Ellipsoid H Ortho metric height Height over main sea level N Geoid Height Geoid Ellipsoid separation value h Ellipsoidal height Figure 15 Vertical reference system 31 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 1
61. n and conclusions survey e c e eren eee eene eerte eee ense etae etta see eo seen so ner 47 11 Demonstrator XS Navi sssssso sesss0s5v0050000500950059005090080085005000540500550s0050005605500530000s050000500ssev ke 48 LADD The chiites errereen E S REEE EE NEEE Ea ERE 48 11 2 Frans n DS LOGIN tritri eaen tabi RE EAEE R EEEE EEOAE EORR EAEE Ernst 48 LES The designee NER 49 ILA Final CBI cues atacand usecase ana riie H NS ENN ESETA EARR E EPEE FRAN NNE 50 IN SEES C cR uL MT 51 DIG Vector TADS rs cae ees cartons nOn E Decem eee 51 11 43 The GPS functionality RR 52 11 4 4 Move around in the map sseeeseseesessesesessessttsresresstrssttesstesttserestestsreestesstesreseesseeee 56 A S TNE prototypene MER MM MM e E R 57 12 Discussion and conclusions Demonstrator ssssssssosososososososososososososososososososososososssosoe 58 13 RefereiCeS sssssossss sovssos soossssd8e0ddss500s5ds55800d5208500d500580050546800050855005005880008s8d500555550005d55450085265500555 59 P AUS d ETT m 62 Lab environment M 62 Appendix B me 67 User manual for the demonstrator XS WUAVI sseessssesrsrsrrrrrrrsrrrrrrrserrrsrrrrrrrrrrrrrrrrrn d rr dd n ERA rn nn a 67 Appendis ste 72 Define raster map in GpsTools SUWJIO e tici indi osi epus x AERE ers rr rr
62. nality stated in desirable functionality The result of the implementation shows that the task was possible to fulfil with Franson GpsTools 57 76 Student Markus Pettersson Doc Nr S k klass Supervisors on CC System Date 2006 05 15 Filename GIS platforms for WinCE CC SYSTEMS Johan Persson and J rgen Martinsson 12 DISCUSSION AND CONCLUSIONS DEMONSTRATOR After the choice of component the implementation of the demonstrator could start The work with the demonstrator went well and obviously we made a good choice since the implementation of the demonstrator showed that all minimum requirements were and could be fulfilled Additionally was several of the desirable functionality also obtained My conclusion about this is that even if the survey were a bit delayed it paid back when it was time for implementation 58 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms Tor WinCE 13 REFERENCES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CC Systems Exjobbsbeskrivning CC Systems lt 2005 10 03 gt http www cc systems com Geographic Information Systems as an Integrating Technology lt 2005 10 04 gt http www colorado edu geography gcr
63. need to specify 3 coordinates The coordinate should be as far apart as possible for the best results Try to place them in opposite corners Verify scaling To verify that everything is ok click on some other known position on the map and verify that the geographic coordinate show in the bottom line of the window is correct Create Icons You can create icons bitmaps which you later can be drawn on the map in your application To create a new icon select GpsToots studio File Map Icons Help New Icon Map Rename icon Delete Icon SS The Icon s bitmap must be a BMP of GIF If the GIF has a transparent color it will be transparent in the MapLib as well After loading the bitmap you need to name the Icon This name will be used to refer the Icon in your application See Map NewIcon Any number of Icons can be created Use the menu to rename delete and create new Icons 74 76 Student Doc Nr Markus Pettersson S k klass Supervisors on CC System Date Rev CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 Filename GIS platforms for WinCE Save MapLib After creating a Map and Icons you need to save the MapLib tt GpsTools Studio File Map Icons Help New MapLib Ctrl N Open MapLib Ctrl 0 Ctrl S Save MapLib As Exit Now the MapLib is ready to be used by your application See Map Open Conformality e
64. nes Their head office is sited in Alfta Sweden were activities as development production and deliveries are performed The company was founded in 1991 and the activity was then limited to Alfta Gradually the company has expanded their development activity to rnsk ldsvik Uppsala and V ster s CC Systems products include different displays and on board computers I O modules and controllers application modules and communication modules The premier on board computer is a large pc based version named CCP XL and recently a new model CCP XS has been developed The new on board computer use the same technology as a modern PDA and the reaction from customer and hypothetical customer on this product has been positive One advantage of this new product is the lower price relative to a pc based computer For users costumers which purpose is to use the on board computer for simple functions such as positioning showing maps and video imaging this computer is to prefer Customers have also made inquiries about functions concerning Geographic Information System GIS that they like to have in this computer CC Systems is therefore interesting in investigating the possibilities to be able to use CCP XS as a platform for GIS 1 2 1 1 Problem formulation The on board computer CCP XS use Windows CE NET 5 0 an operating system for mobile devices or PDAs Existing software based on PC technology cannot easily be transferred and used in systems wit
65. nt OnMovement Bo event OnQuality false event OnComStatus A event Generic P d E LECT BS event GGA d i n reate a new node in a polylind lt record track true p true and assign it the newnode the event GLL S uer s iN GPS position event RCM P s m false Figure 37 Description of the OnGpsFix event The OnGpsFix event is generated when a valid position is received from the GPS On event is GpsFix object received This object contains the following information Position The current GPS position e FixType Informs if the position contain a two or three dimensional position e UTC Contains the time stamp of the positioning When receiving this event the object has been used for centring the map view on current GPS position track recording etc Figure 37 54 76 CCSYSTEMS Student Doc Nr Markus Pettersson S k klass Supervisors on CC System Date Johan Persson and J rgen Martinsson 2006 05 15 Filename GIS platforms for WinCE 11 4 3 3 Speed and heading NmeaParser PortEnabled BaudRate ComPort GpsDatum NoEvents Parent AllEventsGeneric ChecksumMandatory Dispose Eventinterval GetGpsFix GetSatellites GetMovment GetQuaiity GetComStatus WriteData event OnGpsFix event OnSatellites event OnQuality event OnComStatus event Generic event GGA event GLL
66. nted computers using java standard edition or NET The toolkit can use a combination of local GIS and map layers that are accessed via a remote server SpatialAce has no built in functionality to access GPS data 37 38 39 40 9 2 MapX Mobile Maplnfo is one of the leading companies within GIS today MapInfo MapX mobile v 5 0 is a development tool for Pocket PC developers With MapX it is possible to create customized applications via standard development languages such as Embedded C and NET Applications built on MapX Mobile do not require wireless connectivity The application and data reside right on the device Applications can also connect to Microsoft SQL server 2000 CE edition via ADO 41 42 43 9 3 ArcPad ArcPad is a software for mobile mapping and GIS Behind the product is one of the most established companies within GIS today Environmental System Research Institute ESRI ArcPad provides database access mapping and GPS integration to users with handheld devices Unlike the other software mentioned above ArcPad is a software ready to run It can be adapted to customers need through a tool called Application Builder Since this software is a product ready to run we know that it could be used to fulfil the demands of our application But it is not only the functionality that affects the choice of software or core to be adopted It also has to be easy to customize and it should be possible to adapt it to further needs The Grap
67. ols Studio is used to create and edit MapLibs A MapLib contains a raster map and icons to be used in your application After installing GpsTools SDK 2 0 or later you can find GpsTools Studio under Start gt Programs gt GpsTools SDK gt GpsTools Studio Create a new MapLib You need to have a raster map in GIF or BMP format To create a map from a bitmap File Map Icons Help The raster map must be conformal This means lines from south to north must be orthogonal to lines that goes from west to east The map can be rotated The scale can be different or same in north south direction than west east direction After the bitmap is loaded a wizard will start to scale the raster map What you need is three positions on the map with know geographic coordinates You also need to know which coordinate system the map is using If you are unsure use UTM and use the method presented under Verify scaling below to see if you made the right choice Wizard step 1 Select Datum or Grid In this step you need to specify which coordinate system your raster map is using I Select a Country Region II Select if the coordinates are specified in lat long or easting northing III Select the grid or datum The coordinate system chosen is that in which the map is conformal 72 16 Student Markus Pettersson Doc Nr S k klass Supervisors on CC System CC SYSTEMS Johan Persson and J rgen Martinsson
68. on the rotation axis of earth coincide with symmetry axis of the cylinder and in traversal cylindric projection the rotation axis of earth is at right angles to the symmetry axis Figure 22 Cylindrical projection 32 37 76 CCSYSTEMS Student Markus Pettersson Doc Nr S k klass Supervisors on CC System Johan Persson and J rgen Martinsson Date 2006 05 15 Rev Filename GIS platforms for WinCE 7 7 1 1 Gauss Kr gers projection Swedish maps based on RT90 use a traversal cylindrical projection called Gauss Kruger projection 7 7 2 Azimuthal projection A plane is located so it touches a specific spot on the globe The earth is then projected on the plane with a projection centre in the centre of earth or the nadir point Figure 23 7 7 3 Conic projection Figure 23 Azimuthal projection 32 The earth is projected on a cone that surrounds the earth The cone can then be unrolled to a plane Figure 24 Figure 24 Conic projection 32 38 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 7 8 The process from WGS84 to Grid coordinates in RT90 In this chapter have each step in the process from geographic coordinates to grid coordinates now been described Figure 25 was made to clarify what
69. oobjects in a GIS 8 4 Layers The most common method to structure the geography is to use a layered approach where each layer describes a theme e g lakes and roads Figure 32 This is possible with both of the spatial data formats A layered structure can be very helpful for the user of a GIS since he she can view the layers that are interesting for the moment and by those means exclude irrelevant information 35 36 ia a Forests Combined map p Figure 32 Layered approach 41 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms QUE WinCE 9 COMPARISON BETWEEN EXISTING SOFTWARE To choose appropriate software or core adaptable to the customer s demands some alternatives will be presented in this chapter These alternatives are just a fraction but the ones we today found most appropriate 9 1 SpatialAce Light Edition LE SpatialAce LE from Carmenta is a toolkit for building wireless GIS applications The product is based on its big brother SpatialAce a desktop variant of the toolkit suit SpatialAce LE is optimised for use on simpler hardware platforms such as handheld computers PDAs and cell phones SpatialAce LE can be used to develop applications for devices using Java Micro Edition or NET Compact Framework Further it can be used on ruggedized or vehicle mou
70. os A Pole Y N h cos sin A 4 E Z N 1 e h sing 5 E r N 2 2 semi major axis l e sin Q9 plane e f 2 f rs d Figure 18 Semi major and semi minor axis 29 Where X Y Z Geocentric coordinates Q A h Geodetic coordinates N Radius of curvature in the prime vertical e First eccentricity squared f Flattening a Semi major axis 33 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE The inverse e g transformation from geocentric to geodetic coordinates follows the relation A tan x 2 za ae 1 l e tan p ae cos 8 h adi cos Q Z Where p NX Y tang pvl e 7 4 4 Plane coordinate system Y A two dimensional coordinate system is used to refer to 3 positions in a flat map The positions are described with X Xp and Y coordinates or as Northing and Easting They are o TT also referred to as Cartesian coordinates One should pay some extra attention to the fact that Northing is expressed as X and Easting as Y logically it should be the opposite in i an ordinary X Y coordinate system Origin 100 20 30 X om P 280 225 Figure 19 x y coordinate system 29 7 5 Conversion between different reference systems The general way when converting from one reference sys
71. owerful as the one for managed 5 2 Available APIs and development tools The alternatives of Windows CE NET programming are represented by four different Application Programming Interfaces APIs Microsoft Win32 API the Microsoft Foundation Class MFC library Active Template Library ATL and the NET Compact Framework NET CF The Win32 API and MFC are used for native code development and use the programming language C C Applications can be developed using embedded Visual C 4 0 or Visual Studio 2005 ATL is a set of template based classes which primary is used to build Component object Model COM objects and not applications COM is therefore not suitable in this thesis NET Compact Framework is used for managed code development Application targeting the NET CF can be developed using Visual Studio 2003 Professional or Visual Studio 2005 These two versions of Visual Studio support smart device development using VB NET and C NET The two languages VB NET and C NET cannot be combined in the same project file this should be considered since it is possible when developing desktop applications 5 2 1 Strengths of the APIs This table present the strengths for Win32 MFC and NET CF Win32 MFC NET CF Smallest and Object oriented Inheritance Object oriented Inheritance fastest exe Encapsulation Polymorphism Encapsulation Polymorphism files and DLLs Lowest Container classes supporting Container classes
72. ows CE processor support is extended to ARM SHx MIPS and x86 All since Windows CE version 4 2 some of the source code been available as shared source The latest version of Windows CE extends the shared source code even further Platform builder is an Integrated Development Environment IDE It is used to develop a custom platform based on the core of Windows CE Platform builder contain tools that is needed to be able to configure build load and debug the operating system to fit the needs and hardware 4 2 Windows CE Pocket PC and Windows Mobile Sometimes it can be hard understand the differences between Windows CE Pocket PC Smartphone and Windows mobile Windows CE is the core OS of all the others and Windows Mobile is a new brand for a subset of Windows CE based platforms including Pocket PC Pocket PC Phone edition and Smartphone Table shows the relation between Windows CE and custom platforms Handheld PC 3 0 Built on Windows CE 2 1 Handheld PC 3 1 Built on Windows CE 2 12 Pocket PC 2000 Built on Windows CE 3 0 Handheld PC 2000 Pocket PC 2002 SmartPhone 2002 Pocket PC 2003 Windows Mobile 2003 Built on Windows CE 4 2 Pocket PC 2003 Second Edition SE Windows Mobile 2003 SE Windows Mobile 5 0 Built on Windows CE 5 0 Table 1 relation between Windows CE custom plattforms 13 76 Student Markus Pettersson Doc Nr S k klass Supervisors on CC System CC SYSTEMS Joh
73. pter 11 presents the demonstrator which choice was made concerning component and how the tasks and requirements have been solved In chapter 12 we end the thesis with a discussion around the demonstrator 9 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 2 INTRODUCTION TO GIS 2 1 What is Geographic Information System GIS A Geographic information System is a system that somehow handle spatial referenced data it can be further explained as a technology used to collect analyse manipulate and view data based on geographic information A word frequently associated with GIS is a map which most often is but not necessary have to be a component of GIS Since GIS use spatially referenced data maps are efficient tools to view information with and therefore are maps often associated with GIS The data or information in a GIS is linked to specific positions on the surface of earth and different layers holds data about a particular kind of feature For example all roads can be represented in one layer all lakes in another i e any feature can be mapped into a specific layer to represent a certain area and theme Several layers can be combined for analysis and formation of new layers etc To further explain GIS I would like to quote Jeffery Star and John Estes definition of G
74. re 16 in north south direction A meridian is a line that stretches from North to South Pole The zero meridians go through Greenwich and longitude stretch from 0 to 180 degree W West and E East of Greenwich 7 4 1 3 Height over the ellipsoid The height in meter over the current ellipsoid h is not the same as height above main sea level The geoid height is described in a vertical reference system see sub section 7 3 3 32 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 7 4 2 Geocentric coordinate system A geocentric coordinate system has its origin at the mass centre of earth or ellipsoid The geocentric coordinates are presented by the axis X Y and Z where the X and Y axis is in the equator plane The X axis coincides with the meridian line thought Greenwich and the Z axis with the rotation axis of earth Figure 17 Figure 17 Geocentric coordinate system 29 7 4 3 Transformation from geodetic to geocentric coordinates It can sometimes be necessary to transform coordinates from geodetic coordinate system to a geocentric Cartesian system e g is this one of the step when one should transform coordinates from one reference system to another The following expression shows the relation between the two coordinate systems X N h cos 9 c
75. red technology specific SQL Server CE classes and Microsoft Windows CE classes and those are only available for the NET Compact Framework One prerequisite to fulfil the words often associated with NET write once run anywhere is that the NET Framework or in this case the NET CF is installed on the computer The NET Compact Framework inherits the full NET framework architecture of the common language runtime and managed code execution The NET compact framework e run programs that are independent of hardware and operating system e supports common network protocols and connects seamlessly with XML Web services e provide developers with a model for targeting their applications and components to either a wide range or specific category of devices e provide benefits of design and optimisation of limited system resources e obtain optimal performance in generating native code using just in time JIT compilation 10 11 12 13 14 50 19 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 6 GNSS GLOBAL NAVIGATION SATELLITE SYSTEM 6 1 Overview GNSS is the general term for a satellite based navigation system which includes one or more constellations of satellites There are at the moment two systems in use GPS and GLONASS and one is under construction
76. rmine the time for the signal to travel from the satellite to the receiver t This method is almost exclusively used in absolute measurement 17 Carrier phase measuring The phase measuring is based on a carrier signal In the case of GPS there are two transmitted carrier waves L1 and L2 Their wavelength which is approximately 19 cm for L1 and 24 cm for L2 is used to determine the distance This method has higher demands on the equipment and the calculations are more complex than for code measurement Phase measuring gives a more accurate result than pseudo range measurement but takes longer to compute 6 2 5 5 Further dividing into sub groups When the two principles for measurement relative and absolute measurement together with method for determine distance to the satellites are combined with other information it is possible to divide these into subgroups Real time positioning or determination of position at a later time is such information Static measurement Static measurement is based on relative measurement and use the carrier phase method to determine the distance to the satellites That is it receives differential data from a receiver on a known spot and use this to improve the accuracy This method logs data for a period of time and determines the position at a later time and gives the highest accuracy Kinematic measurement Kinematic measurement is based on relative measurement and determination of position in real time
77. s There are three types of sentences used in the NMEA standard proprietary talker and query sentences Each of them starts with a dollar sign and ends with lt CR gt lt LF gt However the content and use differs 6 5 1 Proprietary sentences The NMEA standard makes it possible for manufactures to define their own sentences A proprietary sentence is denoted with the letter P and is followed by a three letter manufacture ID In general cases the sentence can be written as Psss d1 d2 d3 dn cc lt CR gt lt LF gt where e P for proprietary sentence e sssis the Sentence ID e di dnis the data fields e cc is the checksum 6 5 2 Talker sentences The five characters following the dollar sign consist of a two letter talker ID and a three letter sentence ID Comma delimited data fields make up the rest of the sentence and ends up with a checksum after the asterisks A sentence may contain up to 82 characters including the start and end characters In general cases the sentence can be written as ttsss d1 d2 d3 dn cc CR LF where e ttis the talker ID 26 76 Student Doc Nr Markus Pettersson S k klass Supervisors on CC System Date CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 Filename GIS platforms for WinCE sss is the Sentence ID d1 dn is the data fields cc is the checksum 6 5 3 Query senten
78. satellite in any combination The accuracy in the system will be very high and precision down to a metre will be possible for public use High security is prioritised and the availability is guaranteed with the exception of extreme situations or circumstances Users will be informed within seconds in case of failure of any satellites in the system This makes Galileo suitable for safety critical applications When the system is fully developed 30 satellites will orbit the earth 27 3 spare The inclination will be 56 degrees and the signals will give a good coverage up to North Cape 24 25 25 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 6 5 NMEA 0183 NMEA 0183 is an industry standard from National Marine Electronics Association The standard was released in 1983 and defines an electrical interface and a data protocol for communication between marine instrumentation Today is NMEA 0183 also used in non marine instrumentation where land navigation with GPS is one example Most of the GPS receivers today support the NMEA 0183 standard and the protocol is one of the most commonly used The latest version was released in January 2002 The interface or data protocol allows one talker and many listener All data transmitted with NMEA 0183 are represented by sentence
79. satellites makes it possible to determine the current position Figure 5 Absolute measurement 21 6 2 5 2 Relative measurement Relative measurements are used to attain a higher level of accuracy than obtained from absolute measurement The principle for relative measurements is that the position is determined relative a known spot Two receivers are a minimum to be able to perform relative measurements One receiver work as a reference station with a known position and the other as a mobile unit Figure 6 The reference station can compare the measured distance with the real distance to the satellite and send this to the other receiver as correction or differential data This makes it possible for the mobile unit to adjust the calculation and receive a more accurate position 4 5 satellites are needed in order to perform relative measurement calculations Figure 6 Relative measurement 21 21 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 6 2 5 3 Determination of the position We mentioned a method called triangulation to determine the receiver position in section 6 2 4 In this section we will describe the method in more detail 16 Figure 7 When the position and distance of one satellite is known the position of the receiver can be determined
80. spot or he she want to draw a node in a shape Map N Position Position Latitude OffsetX Longitude OffsetY NC LatitudeRads Zoom t Qu TTS LongitudeRads Rotation 3 on m Northing Background esee o Easting sView Point Layers GpsToolsNET Position Zone M apLib objects received J Datum open X OnMouseDown event Grid i N S Merge NA CustomDatum Close ER CustomGrid Update Pom the geografic coordinates EModifedoount NewMapShape received in the GpsToolsNET Position V Copy Newlcon object to right Datum and project the LatitudeDMS NewLine LON hi Mane E LongitudeDMS NewRectangle c CN LatitudeString NewEllipse LongitudeString NewLabel p Altitude Delete f SetLatitudeDMS GetByID Ser SetLongitudeDMS GetBylndex W ACHOnESCenleronimolse z SetAltitude GetByPosition p Distance Setindex i Bearing true ea ag abe ent ActiveMapData r IsSameGrid Position2Point RS MakeSameDatum Point2Position s Ew MakeSameGrid event OnObjectDown di If Action Draw shape p a event OnObjectUp bow d event OnMouseDown Ec P2 N event OnObjectUp T di y Senter the map er on the mouse event OnMouseMove fice N pi event OnDraw i sche Sel Lu pee N w o o ooo Croats anew node in the current I End gt shapeobject
81. st is located 8844 above the sea level they actually mean 8844 above the geoid surface The definition of a geoid can be described as a surface where the earth s gravitational forces are everywhere equal Further the geoid surface can be visualised as the surface that would arise if the average sea level were allowed to Fanthstirace float in under the continents and shape a surface that reflect the level of the average sea level Figure 12 The surface of the Geoid coincides with the surface of oceans Ellipsoid 3 surface if ignoring waves and tides etc Due to variations 777 in gravity around the globe the geoid surface differs irregular around the globe The difference between the ellipsoid and the geoid surface is called the geoid height Geoid surface Figure 12 The geoid 29 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE 7 2 3 Earth surface The earth surface does not need any further explanation The connections to the other surfaces are viewed in Figure 12 7 3 Reference systems A reference system describes the world or the area of interest in some structured manner As described in section 7 2 1 the ellipsoid work as an approximation of the surface of earth with a specific size shape and placement in relation to the geoid the el
82. tem to another different geodetic datum is through the 7 parameter formula One disadvantage with this method is that vertical information must be added even though it is only plane coordinates that should be converted The formula use geocentric coordinates 7 5 1 The 7 parameter formula The formula performs three translations one for each axis three rotations one around each axis and one scaling X AX X Y AY R Y Z AZ To From 34 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Where X Y isthe geocentric coordinates in the new reference system Z To AX e AY is the translation between the two systems Figure 20 AZ m AY Figure 20 Translation for each axis cosa sina OY cosa 0 sinco lfl O0 0 e R R R R sin cosa 0 0 1 0 0 cos sina 0 0 I sna 0 cosa AO sin cosa X P Py pu Figure 21 Rotation around each axis e dis the scale factor 35 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE X e Y is the geocentric coordinates in the old reference system From The inverse follows this expression x ot AX BOET 5 Y AY 1 0 Z AZ To Fro
83. tersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE Within Europe the EUREF is responsible for the preparations of transfer countries to ITRF The European reference system that connects to ITRF is called ETRS89 and the coordinates are described in ETRF EUREF come up with recommendations for nations how to join to the reference system In Sweden has this been realized through SWEREF99 the new three dimensional Swedish reference system SWEREF99 and WGS84 differ only within a couple of decimetres and can therefore be treated as the same reference system for most applications This is of great benefit since no conversion between reference systems is needed For the time of this writing the transition to SWEREF99 has started but since all data until now are saved in other reference systems there is lot of work that need to be done New maps that refer to SWEREF99 must be delivered etc 7 3 2 Local reference systems A national or a local reference system fits the ellipsoid in size and position just like a global system but with the difference that it only considers the current country or area There are many local reference systems since it is easier to find an accurate fit between an ellipsoid and a limited area of the geoid than it is for the whole globe The global model of the ellipsoid adapt to the geoid so it differs about 100
84. xpressed in a more formal way When the scale of a map at any point on the map is the same in any direction the projection is conformal Meridians lines of longitude and parallels lines of latitude intersect at right angles Shape is preserved locally on conformal maps 75 76 Student Markus Pettersson Doc Nr S k klass Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 GIS platforms for WinCE APPENDIX D Shortening CC Systems CCP XL CCP XS API GUI GIS GPS ESRI PDA Windows CE NET NMEA NMEA 0183 NET CF Cross Country Systems company name Cross Country Pilot XL PC based onboard computer Cross Country Pilot XS Onboard computer running Win ce NET Application Programming Interface Graphical User Interface Geographic Information System Global Positioning System Environmental System Research Institute Personal Digital Assistent Operating system from Microsoft for mobile or smart devices National Marine Electronics Association Protocol from NMEA NET Compact Framework 76 76
85. ystem for Mobile Communications Where GPRS use GSM network to transmit data WLAN Wireless Local Area Network Bluetooth A wireless technology for short range transmission of data 12 76 Student Doc Nr S k klass Markus Pettersson Supervisors on CC System Date Rev Filename CC SYSTEMS Johan Persson and J rgen Martinsson 2006 05 15 SIS platforms QUE WinCE 4 WINDOWS CE 4 1 Overview Windows CE is a 32 bit operating system designated for embedded systems The work with Windows CE began in 1993 and the first version was released in 1996 In 1998 the second edition of Windows CE was available for the market this time in a scalable version The developers could now choose the components to include Some of the most important criteria s for Windows CE were and still are that the operating system should run on many different processors and it should be component based To make it easier for desktop developers to make application in Windows CE the initially demand were that WIN32 API should be available Windows CE should also be a real time operating system The latest version of the operating system is Windows CE 5 0 Updates concerning tools new technologies and support for more processors are some of the things that have changed from introduction and earlier versions In Windows CE 5 0 it is possible for developers to write applications for WIN32 MFC and the NET Compact Framework Wind

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