LTU-HIP-EX--08/025--SE
Contents
1. http localhost pmapper dev map phtml language en Ferree A X 3672652 Y 4109459 Done ES p mapper is not a standalone GIS solution instead p mapper is built upon PHP MapScript and uses MapServer to render GIS map layers in a map on a web server The map can easily be zoomed in panned queried and manipulated by the use of plugins This is probably the best way of presenting GIS data in this project Using a connection to a Web Map Server maps can easily and at no cost be retrieved 21 Jakob Normark expl j zit GIS Using open source or commercial products The pros Platform independent Can read ESRI Shapefile files which can be exported from GRASS GIS Comes preconfigured with a NASA WMS Web Map Server that will come in handy The cons The map might load slow if the connection to the WMS server used is slow 9 3 Conclusion The first conclusion that can be done is that using open source software to accomplish the goal of mapping data from the pulse watch is possible GRASS GIS has all the functionality needed for the project and is also very good because of its adaptability but using p mapper as a complementary tool when presenting the GIS data is recommended GRASS GIS should be able to take the coordinates from the GPS pulse watch transform them into xy coordinates understandable by p mapper after being exported into a ESRI Shapefile The integration between the two softwares will2. 64 45 4600N 64 45 4614N 64 45 4629N 64 45 4647N 64 45 4666N 130 131 131 132 133 8 2km h 0m 8 3km h 3m 9 1km h 5m 10 4km h 9m 12 4km h 14m Jakob Normark expl j zit w GIS Using open source or commercial products What the parser prints in lines dat is one row per sample and six columns per row The columns are as follows 1 Category The sample number starts at 1 and increments by one each row Longitude Coordinate in E W Degrees minutes seconds Latitude Coordinate in N S Degrees minutes seconds 2 3 4 Heart rate bpm Heart rate in beats per minute 5 Speed The speed at which the FRWD was moving at the time of the sample 6 Distance traveled Distance traveled since sample number one Each column is separated by the character which is the standard field separator in GRASS GIS ASCII files 10 4 Getting FRWD data to and from GRASS GIS Importing data in GRASS GIS from the file created by TextParser was fairly easy GRASS has a built in CLI and one of the commands is called v in ascii v in ascii builds a vector map which is a map consisting of points whom contain data When importing ASCII files one sets the name for the resulting map and also defines the different columns names Example import command v in ascii overwrite input tmp lines dat x 2 y 3 cat 1 output frwd format point fs columns cat int x varchar 20 y varchar 20 pulse int spe
3. 14 Jakob Normark expl j zit w GIS Using open source or commercial products 8 5 Conclusion When using open source software in a commercial product and it is desirable to keep the code in the commercial product closed the free software used must either be licensed under LGPL license the modified BSD license or any other non copyleft license as these licenses allows proprietary software to be used with it This means that when the proprietary software is sold the only code that has to be made available to the customers is the software libraries used If the only option is to use open source software which is licensed under the GPL license in the commercial product then the product itself also has to be free software A common misconception is that open source licensing does not allow companies to charge money for their software if it is GPL software but the truth is that charging money for free software is not a problem The source code does not have to be shipped with the program either but if free software has been sold the source code for the program has to be available for the ones who bought the program Also the ones that bought the software can not be stopped from redistributing the code as it is a right given to them by the GPL license 15 Jakob Normark expl j zit GE GIS Using open source or commercial products 8 6 References http www gnu org Home of the GPL and LGPL licenses The GPL and LGPL version
4. ANE deeg 13 8 3 7 Creative Commons ez e e 13 8 4 Whathappenswhenfreesoftwareissold 14 EY L K E sebase A EE ESEE NANE EEEREN 15 8 6 E 16 SPSS ATI mal a la AA alam a n Abla lale ll 17 GN En Te DEE 17 9 2 Ee 18 9 2 Grass TEE 18 e E NR e A Ge YE 20 9 23 P a el di ii ela m il mia a n erence 21 E WE E EE 22 UG Tecde vel E 23 m e E E 23 10 2 E 23 10 3 Parsing the FRWD text fil asar be seslen lk dey de l yle e E E E banal Gam 26 10 4 Getting FRWD data to and from GRASS GIS ccsscssscsssscssscssecssacsssecensscssccsscseessestseeses 27 p mp pe HVS ra MD al iiare ei arm al ille aes 27 Dee a aretirs cous onchsro ee eege 28 Jakob Normark expl izit w GIS Using open source or commercial products 1I DISCUSSION temine miki lekelenmeler esir ildeki de 32 Jakob Normark expl 1 zit GIS Using open source or commercial products 1 Introduction Explizit is a company based in Skellefte Explizit is a IT business that builds software solutions and outsources IT consultants Their sphere of activities include everything from developing systems for Svensk Bilprovning Boliden and Ericsson to Skatteverket Explizit is owned by Argentum AB and is a part of the Argentum group One of Explizits products is a system with wireless data capturing which can collect and store data from a number of wireless devices This system is called Check
5. 51 30 0002N London England United Kingdom Explizit 20 56 4014E 64 45 2581N Skelleftea Sweden Europe Jakob Normark 20 59 0667E 64 45 1019N Skelleftea Sweden Europe Museu Picasso 02 10 0050E 41 23 0007N Barcelona Catalonia Spain Bobban 20 53 1828E 64 45 4600N Skelleftea AC Sweden Mikael Holmstrand 20 57 2753E 64 44 3613N Skelleftea AC Sweden Checkpoint Charlie 13 23 2497E 52 30 0027N Berlin wall Berlin German m gt Delete 29 GIS Using open source or commercial products The second tab in the program is called Add static object The supervisor at Explizit wanted the software to be able to take coordinates and some simple metadata and map this in GIS The static objects reguire lat long coordinates a name and ce metadata tags The third tab Current static objects manages he static objects that wxPlizit GRASS GIS and mapper currently share The user can view and delete points and commit the changes done Jakob Normark expl 1 zit GIS Using open source or commercial products File Help FRWD import Add static object Current static objects Preferences The fourth tab in wxPlizit contains settings for the most important parameters concerning GRASS GIS the generated vector file and script files General settings GRASS mapset home jakob GIS Europe Thesis Browse Save Reset configuration to default Reset Advanced settings Jusrjlocal bin grass63 Browse ho
6. GIS when GRASS GIS can import points from standard ASCII files According to the GRASS GIS manual the points in the ASCII files had to be written in one of the following forms 24 Jakob Normark expl 1 zit w GIS Using open source or commercial products Acceptable formats key D Degrees M Minutes S Seconds h Hemisphere N S E W DDD DDDDD DDDh DDD MMh DDD MM MMMMMh DDD MM SSh DDD MM SS SSSSSh DDD MM SSh did the trick but with four decimal seconds When a coordinate was parsed from the FRWD file and rewritten on this form GRASS GIS could import the point and map this correctly in a region The X Y coordinates I initially thought I had to work with could be ignored The integration between GRASS GIS and p mapper also got easier than expected At first a SQL solution was attempted but after having trouble getting a PostgreSQL database GIS enabled with PostGIS and then getting p mapper to connect to the database another approach was needed When reading the documentation for p mapper MapServer I found out that ESRI Shapefiles which GRASS GIS could export vector maps to could be read by MapServer After exporting a point map from GRASS GIS and configuring p mapper I finally got it working without having to manually convert any coordinates at all 23 Jakob Normark explizit 10 3 Parsing the FRWD text file The text files exported from the software starts with 52 rows of data that can be ignored
7. The same rules apply to BSD licensed code as to LGPL licensed code with the exception that if the original BSD license is used the marketing rules has to be applied to the companies product The Apache license is as permittive as the modified BSD license where the only restriction is that the original notices has to be redistributed Selling software including free software is often misunderstood as not permitted but that is not true If the license of the free software is a copyleft license eg GPL it can be sold as long as the source code is made available for the people or companies paying for the software If a company makes software derivated from GPL software the derivated software also has to be released as a GPL compatible license This also means that if a company sells free software which is copylefted no one can stop anyone who bought the source code to redistribute it to a third party If the license of the free software used in a product is a non copyleft license eg LGPL BSD it can also be sold but then the companies own source code of the program that uses the free software does not have to be open source thus ensuring that the own source code can not be obtained by competing companies Using information eg maps in a GIS solution licensed with Creative Commons in a commercial product is permitted as long as it is not a NonCommercial version of the license and often the original author of the information must be credited
8. WGS84 datum WGS84 END TOLERANCE 4 TOLERANCEUNITS pixels STATUS ON METADATA DESCRIPTION FRWD END Metadata CLASS Name FRWD sample COLOR 255 00 SYMBOL square SIZE 4 MINSIZE 4 MAXSIZE 4 TEMPLATE void END Class END Layer 10 6 wxPlizit File Help FRWD import Add static object Current static objects Preferences Set FRWD file home jakob towork txt The GUI for importing FRWD text files parsing them getting the data to GRASS and then to p mapper is dine aa called wxPlizit This is a screen shot of the first of 2 wxPlizits four tabs Import in GIS Waiting The FRWD import tab has three buttons The first button lets the user browse and select the FRWD text file the second button parses the selected file and the third button imports the parsed data in GRASS GIS exports it to a ESRI Shapefile and copies the vector files to p mappers data directory 28 Jakob Normark explizit wxPlizit File Help FRWD import Add static object Current static objects Preferences Latitude 64 45 2581 Longitude Name Explizit AB Metadata 1 Skelleftea Metadata 2 AC Metadata 3 Add object File Help FRWD import Add static object Current static objects Preferences Eiffel Tower 02 17 39E 48 51 18N Paris France Europe Kaknastornet 18 13 0173E 59 33 5623N Stockholm Sweden Europe Big Ben 00 07 0027E
9. be coded in C in a GNU Linux environment and hopefully the communication with the GPS pulse watch can be fully automated 22 Jakob Normark expl j zit w GIS Using open source or commercial products 10 The development 10 1 Overview First of all which programming language to use had to be chosen Since GRASS GIS is written in C it was easy to decide that C and wx Widgets was the language to write the FRWD GRASS p mapper integration software in wx Widgets is a cross platform GUI toolkit which comes in handy when GRASS GIS also is cross platform If porting the program to another platform is needed wx Widgets makes that a whole lot easier For those not familiar with wx Widgets it is a framework much like Windows Forms and MFC 10 2 Coordinates The initial problem when dealing with the different softwares was the coordinates The FRWD software exported a text file containing the coordinates in GPS latitude longitude GRASS GIS had a X Y coordinate system which did not seem to follow any existing standard and p mapper used another X Y coordinate system GRASS GIS documentation said that when creating locations in GRASS one could choose to use latitude and longitude coordinates but not how the user should enter the coordinates when prompted to 23 Jakob Normark expl iz EZ GIS Using open source or commercial products File Edit View Terminal Tabs Help DEFINE THE DEFAULT REGION DEFAULT REGION NORTH EDGE
10. fIN WEST EDGE PROJECTION 3 Latitude Longitude GRID RESOLUTION East West North South AFTER COMPLETING ALL ANSWERS HIT lt ESC gt lt ENTER gt TO CONTINUE OR lt Ctrl C gt TO CANCEL The screenshot shown above was all I had to go on and with coordinates looking like 64 44 7580 N 20 58 4664 E it was hard to get a accurate region in GIS Finally I skipped entering minutes and seconds at the edges and when only entering degrees I got the region covering the area I wanted After that I went on trying to get something out of the FRWD and into GRASS GIS The software that came with the FRWD had an export function that exports data to a txt file which probably could be parsed in some way After 52 lines interesting things started showing up with row after row looking like this 20 25 2016 6445 1152 o 2058 9417 11 3 24 1 105 140 22 5 1002 7 The first column was marked Time s the second Laptime and so on The two really interesting columns was number 5 and 6 which was marked N S latitude ddmm mmmm and E W longitude dddmm mmmm The letters ddmm mmmm indicated that those numbers were actually WGS84 coordinates which is standard GPS coordinates and that they were written in decimal degrees They weren t 6445 1152 actually has to be interpreted 64 45 1152 where 64 is degrees 45 is minutes and 1152 is seconds When I found this out I tried getting these points to be understood by GRASS
11. gt y Be Pinn_bnd ds GRASS Tools Medules Vector overlay FO O a d o gt 9 Vector rO O gt vecto D O veao Butter F Z gt G Nectar butter E gt raster buffer Extract leatures from vector BB 7 gt select W gt Pe Select features Delaunay triangulation Vorone gt gt Delaunay trian Mi gt pe Delaunay trian FA gt f Voronoi dagra re gt lesen dagra lt 2 Convex hull Density of points Maa S count of neigh an gt Bhsauscan herr J Random points f ffcreate grid in current regii P C croar new vector area m 7 Convert a vector to raster Z amp Correta vect gt Geomorpholoay Quantum GIS QGIS is really good when it comes to rendering data and it is also really easy to use QGIS just like GRASS GIS supports most of the standard formats through the GDAL OGR library QGIS is by far more easy to use than GRASS GIS but when it comes to more than just clicking in a GUI QGIS quickly starts loosing its advantage over GRASS GIS In a poll on the Quantum GIS website over 80 answered that they use QGIS as a frontend to GRASS GIS That tells us QGIS is probably best used as just a frontend and not as a development base The pros User friendly Nice GUI The cons Not suitable as development base in my project Mostly a frontend for GRASS GIS 20 Jakob Normark expl zit ww GIS Using open source or commercial products 9 2 3 p mapper
12. referenced to in this document is version 3 dated June 29 2007 http en wikipedia org wiki BSD_license Source of information regarding the BSD license http www apache org licenses LICENSE 2 0 Home of the Apache license Version referenced to in this document is version 2 0 dated January 2004 http www opensource org licenses cpl1 0 php The Common Public License Version 1 0 http en wikipedia org wiki Creative Commons licenses Creative Common licenses 16 Jakob Normark expl 1 zit w GIS Using open source or commercial products 9 GIS investigation 9 1 Background As my thesis project involves presenting data geographically using a GIS solution which GIS to use has to be investigated and decided Among the numerous open source GIS solutions available for the Linux platform the ones that seemed to be worth looking into was GRASS GIS and Quantum GIS A way of presenting GIS data on a web server would also be appreciated Only Linux compatible GIS solutions was looked into since Explizit wanted the project to be as open source oriented as possible 17 Jakob Normark expl j zit w GIS Using open source or commercial products 9 2 The alternatives 9 2 1 Grass GIS File Config Raster Vector Imagery Volumes Databases Help LG S T F B a gt be d y We Gms pen 2 Map Layers for Display 1 E E vector Points L Raster Europe f Display vector map
13. 2008 025 HIP BACHELOR S THESIS L GIS using open source or commercial products Jakob Normark Lulea University of Technology BSc Programmes in Engineering Computer Engineering Department of Skellefte Campus Division of Mobile Networking and Computing 2008 025 HIP ISSN 1404 5494 ISRN LTU HIP EX 08 025 SE expl 1 Z O GIS Using open source or commercial products Jakob Normark 2008 08 27 v0 40 GIS Using open source or commercial products Jakob Normark expl j zit GIS Using open source or commercial products Preface The work presented in this report has been carried out at Explizit AB Skellefte The supervisor from Explizit was Torbj rn Lundmark and the examinator from LTU was Robert Br nnstr m This thesis project was part of a project at Explizit AB with me and the following project group members Torbj rn Lundmark Robert Br nnstr m Fredrik Bergqvist Fredrik Krekula Fredrik Lundgren Ulf Jonsson Osten Lundahl Mikael Holmstrand Robert Persson I would like to thank everyone in the project group for supporting me during my thesis project especially Torbj rn Lundmark from Explizit and Robert Br nnstr m from LTU Skellefte 2008 08 27 Jakob Normark Jakob Normark expl j zit GE GIS Using open source or commercial products Abstract When health care is moved from the hospital into patients homes it is often desirable to be able to map information geo
14. About the initial problem A prototype for mapping data geographically built on a open source GIS is needed It can be done with only open source software I did it and it can be sold for profit as a commercial product 32 Jakob Normark
15. RWD DI This is the p mapper application running in Firefox web browser showing data from when I biked from home to Explizit from east to west on the map the red line is the path Skelleftea has been zoomed in and a random point queried As seen in the image sample number 193 was queried I moved at 15 8km h had a heart rate of 135 and I had traveled 1939m from the start point You can also see the coordinates 64 45 2389 north 20 56 7778 east and if other data from the FRWD is needed it is not hard to change the code in wxPlizit to accomplish this 31 Jakob Normark expl 1 zit w GIS Using open source or commercial products 11 Discussion As all software wxPlizit has weaknesses The program is thoroughly bug tested and should not contain any major bugs However there are a few known bugs For example the coordinates that is taken either from the FRWD data or entered as a static object has to be a point in the north east hemisphere This is because of how TextParser parses data from the FRWD and this must be fixed if the program has to be able to map data elsewhere Since the FRWD had to physically be in another hemisphere to present coordinates from there example coordinates could not be obtained Thus no sample coordinates to parse Other than that the software can be considered stable GIS was a fun thing to learn since it has so many areas of use It was not a easy thing to learn though seeing that I barely knew w
16. Up and the main purpose with CheckUp is to move different medical tests out of the hospital into the patients home Using bluetooth technology the medical instruments can communicate wireless and transfer the data to the hospital thus eliminating the need of the patients having to travel to the hospital every time a routine check up is needed 1 Jakob Normark expl 1 zit w GIS Using open source or commercial products 2 Description 2 1 Overview In wireless data capturing it is often desirable to map information to a given geographical location One way to accomplish this is by using GIS Geospatial Information System GIS is a system for managing data and referencing this geographically and therefore GIS can be used for a variety of things ranging from urban planning to scientific investigations Since mapping data geographically and presenting this graphically is what is desired GIS suits that need perfectly When working with GIS there is both commercial and open source solutions and among the commercial both Mapinfo and Carmenta is interesting alternatives In the open source area GRASS GIS is a strong candidate and it is available for both GNU Linux Mac OS X and Microsoft Windows Explizit wants to see if a open source solution can be used to fullfill the companies demands regarding GIS and investigate what impact the many open source licenses GPL LGPL etc makes in a commercial product For example if a pulse
17. and on row 53 the interesting data starts From row 53 and onward the data captured pulse coordinates etc is presented and in a consequent way Each row has 15 attributes in the following order Label Time s Laptime North South m East West m N S latitude ddmm mmmm E W longitude dddmm mmmm Altitude m Speed km h Distance m Heart Rate bpm Temperature celsius Pressure mbar Pitch Angle deg Training Effect EPOC GIS Using open source or commercial products Sample value 4 Yes 433 0 6445 4679 2053 1959 23 5 14 6 20 134 24 4 1003 9 0 2 0 0 With one sample a row and the above values always separated by a TAB character 0x09 the file was fairly easy to parse One big while loop ensuring that data was available containing code for parsing and writing the data to a ASCII file is the main function of the C class I wrote called TextParser The ASCII file written to is a file called Ines dat which is placed under tmp in the Linux environment the program is running on tmp is a good place for such a file because all files in that directory is automatically deleted when the system is shut down That means no paying attention to deleting the temporary files for the program and it is not a problem because lines dat will never be needed when not created by TextParser Sample output lines dat 20 53 1828E 2 20 53 1825E 3 20 53 1828E 4 20 53 1846E 5 20 53 1888E 26
18. ed varchar 16 distance varchar 16 ii Exporting data from GRASS GIS to a standard GIS format was easier than importing it Again the CLI could be used with the command v out ogr OGR is an open source library for reading and writing many different vector file formats With p mapper the ESRI Shapefile format was needed and this was easily achieved with v out ogr by entering Shapefile as output format Example export command v out ogr e input static type point dsn tmp static olayer static layer 1 format ESRI Shapefile 10 5 p mapper integration Since p mapper reads ESRI Shapefiles only two things had to be done The vector files had to be copied somewhere where p mapper could easily access them and a layer with the shapefile had to be created in the p mapper configuration file Finding a good spot for the vector files wasn t hard since p mapper already had some data in a subdirectory to var www The directory was renamed to pmapperdata and all the files necessary was put in it The additional configuration that had to be done in p mapper was in the so called map file which defines all the different layers to be displayed in p mapper I simply added a layer called FRWD which takes data from a ESRI Shapefile called frwd Example layer in the map file 27 Jakob Normark expl j zit w GIS Using open source or commercial products LAYER NAME frwd TYPE point DATA frwd PROJECTION proj latlong ellps
19. en and licensed under LGPL is permitted for usage in proprietary programs 12 Jakob Normark expl 1 zit w GIS Using open source or commercial products 8 3 4 BSD Licenses The Berkeley Software Distribution BSD license is a license that is considered very permissive because it is a non copyleft license with lesser restrictions than for example GNU GPL BSD licensing permits using the BSD licensed software in commercial proprietary software There is two major versions of the BSD license the original BSD license and the modified BSD license where the modified version is the most widely used The biggest difference between these two is that the original license required a statement when marketing products that include BSD licensed software One statement had to be included for every license with a different name and this led to big marketing issues The statement requirement is not included in the modified BSD license 8 3 5 Apache license The Apache license is like BSD a non copyleft license The license says that all Apache licensed software has to keep notices from earlier works intact but does not forbid using the free sofware in proprietary software or relicensing the free software The most important thing is keeping intact notices saying that Apache licensed software has been used 8 3 6 Common Public License Common Public License CPL is a copyleft free software license published by IBM CPL is a license with the ma
20. graphically GIS is a system used to accomplish this and there are both proprietary and open source GIS softwares available Explizit AB is a company in Skelleftea that has a product called CheckUp which basically is a suitcase with different medical instruments connected to it Explizit AB wants to see if it is possible to use a open source GIS solution to build a system that for example can be integrated with CheckUp This report contains a investigation on the different open source licenses what difference the licenses has and how they affect a commercial product and describes the solution I built using only open source software Jakob Normark expl j zit w GIS Using open source or commercial products Table of Contents l MAMET G Y e er nl Gr a ll Ge e ce 1 A DCS CUO EE 2 2 E e ER PA 2 2 2 Th concrete probl M A A eendeitege Ee Ee 3 E e 4 Ai KE E EE 5 A l WS AM A RR MR MEM SY O NR k 5 4 2 ThE TGS ooir VK e a 6 KEN Ee A e EREE EERE 7 C LD EE 8 ER Wu 9 ge e 9 Pe D AA AN A A AN PK EY A E 9 AE 10 Beh BAC eT OU NE A KR A AK YY YE NR 10 8 2 ed SP A EE YE 11 E EE 12 e SAS EE 12 8 32 UNU General Public License x susam di dal a ley kse Bia ila yelik 12 8 3 3 GNU Lesser General Public LiCense vs s cccsssnssctsanssoscevenssecnsunseceaseanetsnsciaccauunsessnaeastceasaones 12 6 AS be RR ee ee eos 13 8 3 5 lt APACHE license kedi ikea renarna E OEE E E EE E EEE e 13 9 3 6 Common PUBIC e A EY RE S
21. hat it was when I started working with it and that the documentation regarding GRASS GIS is anything but self explanatory I did get a few bonuses though because I ultimately had to compile GRASS GIS myself instead of using pre built binaries and by doing that I got a even better understanding about Linux and compiling from source I also learned a few things about SQL databases when GRASS GIS databases can be synchronized with SQL databases and especially PostgreSQL If I had been able to put more time into GIS enabling PostgreSQL I would have got it to work But the solution with Shapefiles is just as good for wxPlizit Working in a project group in my thesis project was a great thing to do Help was almost always available in some form and Explizit really gave me good prerequisites to get a good result from my thesis project Also the time plan I made at the beginning of the project was perfect I never ran out of time with a certain part of the project and the plan could be followed without any adjustments The project was not flawless though as in my opinion too few project meetings was held One meeting took place in the start and one meeting in the middle of the project even then everyone didn t participate Even if the whole project group couldn t have participated a few more meetings should have been held Also i had no backup FRWD If the FRWD unit had failed I almost certainly would have to switch to a standard GPS unit
22. in goal of encouraging open source development and it tries to accomplish that by restricting use of free software in proprietary software CPL does have one exception for use in proprietary software and that is just like LGPL not requiring the code to be free when using CPL licensed libraries 8 3 7 Creative Commons licenses Unlike the other licenses discussed here Creative Commons licenses is mainly supposed to be a license covering information art images music etc instead of software and source code Originally there was four different Creative Commons licenses where only one restricts using the material in commercial software and that is the NonCommercial license Most of the time the single most important thing in the licenses is to give the creator of the used material credit for his her work 13 Jakob Normark expl 1 zit w GIS Using open source or commercial products 8 4 What happens when free software is sold Let us imagine that a company that sells software decides to include free software in their code Depending on what license the free software is licensed under the software that is going to be sold will be affected differently If the license is GPL the company also has to release their own code in GPL or a GPL compatible license If the free software is licensed under LGPL or CPL the company does not have to release their own code just make sure that the LGPL CPL code can be obtained by customers
23. mejjakob grassjob sh Browse Shape name frwd Save A Linux environment was used to build this program all in C with the GUI in wxWidgets The code should be easy to port to other operating systems since the code does not use that many platform dependent commands With both wxPlizit GRASS GIS and p mapper MapServer being platform independent the whole software suite has great adaptability Currently the software is optimized for 32 bit Ubuntu Linux Debian with a deb package available for installation which depends on wxWidgets 2 8 GRASS GIS 6 3 Apache2 with php5 and php5 mapscript A custom version of p mapper is included in the package The package can easily be ported to rpm or any other Linux package because of the simple structure of deb packages The contents of the deb package can after they have been extracted simply be copied to the root of a Linux root partiton to install it Doing this will have the disadvantage of removing all automatic dependency checking but they can fairly easy be manually resolved 30 Jakob Normark expl zit w GIS Using open source or commercial products After a FRWD file has been parsed imported to GRASS GIS and then exported to p mapper the result looks like this FRWD cat 193 x 20 56 7778E y 64 45 2389N pulse 135 speed 15 8km h distance 1939m M Data W FRWD M Objects M Raster Data IPL WMS fi ce d to ty Apply on Layer F
24. ommercial GIS products and find a suitable open GIS for the prototype e Week no 5 8 Develop a prototype that can gather data from the pulse watch GPS and present the gathered data geographically on a map e Week no 9 Prototype testing e Week no 1 10 Write the final report of the thesis project This will be an ongoing task through the whole project Gantt chart Report w riting izi Pulse w atch purchase Milestone 1 I License information search Es E Milestone 2 Z i Develop prototype ae Milestone 3 Testing Es Present thesis project pa 2008 03 31 2008 04 10 2008 04 20 2008 04 30 2008 05 10 2008 05 20 2008 05 30 Time 5 Jakob Normark expl j zit w GIS Using open source or commercial products 4 2 The risks Time allocated for a task might not be enough To prevent this follow the time plan as long as possible If this happens see if the time plan can be altered without risking the outcome of the project if not maybe the projects goal has to be reviewed or more people has to be brought in on the project Hardware might fail Be sure to have some redundancy in the hardware used and never rely on one single piece of hardware In case of hardware failure talk to appropriate person at Explizit about replacement hardware The project might be impossible to complete Set realistic goals to prevent this If the project is impossible the complete talk to Robert Br nnstr m at LTU and Torbj rn Lundma
25. rk at Explizit for advice 6 Jakob Normark expl j zit w GIS Using open source or commercial products 5 Project milestones Milestone 1 2008 03 31 Which pulse watch with GPS and Bluetooth to use should be decided and the watch ordered Milestone 2 2008 04 25 Which GIS to use is decided Milestone 3 2008 05 23 The prototype should have all desired functionality and the final testing phase should start 7 Jakob Normark expl j zit w GIS Using open source or commercial products 6 Output The output from my thesis project will be a prototype that can take data from a pulse watch with GPS and using GIS present the gathered information to the user Also a report and a presentation of the project will be produced 8 Jakob Normark expl izit w GIS Using open source or commercial products 7 Pulse watch 7 1 Overview The first task I was assigned to was finding a pulse watch with integrated GPS which the other two who did their thesis project at Explizit also was assigned The pulse watch was supposed to have the following features e Monitor the heart rate of the person wearing it e Track position by GPS e Have a Bluetooth connection 7 2 Execution We started looking into the different pulse watches available the first day and quickly realized that there was not that many watches to choose between In the end the FRWD B600 was the best option seeing that it had both GPS heart ra
26. s 1 00 Opaque EE OOOO O Transparent vector map Fi jascliut PERMANENT i Display W Shapes 1 Categories _f Topology _Js Line directions M Points M Lines M Boundaries M Areas _j Centroids 4 Fac Cim m a gt ae GRASS GIS 6 3 0 A GRASS GIS is kind of the mainstream open source GIS solution GRASS supports almost every standard map format both raster and vector through the use of GDAL OGR libraries GRASS is able to render maps and export them to various image formats and can perform many different calculations on maps both vector and raster maps Developing software with GRASS GIS seems to be fairly easy given that GRASS GIS comes with tons of documentation and an active community Binary packages are available for all the major Linux distributions Ubuntu Debian OpenSUSE Microsoft Windows through Cygwin and MAC OS X The pros Large community Well documented GIS functions Able to import and export to almost all standard GIS map formats 18 Jakob Normark expl j zit w GIS Using open source or commercial products Easy to use as base for developing GIS software Platform independent Good scripting capabilities The cons Complex GUI The user manual is not that good 19 Jakob Normark explizit GIS Using open source or commercial products 9 2 2 Quantum GIS Eile View Layer Settings Plugins Help ans FNR 1380s E RRE BAQKGAGOPR Gel BBall av e d y
27. te monitoring altimeter a thermometer and Bluetooth connection The FRWD B600 The FRWD B600 was ordered on the first day and arrived four days later 9 Jakob Normark expl 1 zit w GIS Using open source or commercial products 8 Open source investigation 8 1 Background I am in my thesis project going to develop a GIS solution for the company Explizit and also look into the different open source licenses and what difference they make in a commercial product GIS is a system which takes different types of data and is able to map this to given geographic locations One part in developing the solution for Explizit is choosing an open source GIS and by using open source software take into account what the license of the chosen GIS means both for the project and for a product that will be commercially available The two most widely used open licenses both regarding GIS and open source software in common is the GNU General Public License and GNU Lesser General Public License 10 Jakob Normark expl j zit w GIS Using open source or commercial products 8 2 Brief explanation GNU GPL and GNU LGPL is both open software licenses maintained by the Free Software Foundation FSF Basically they are both licenses with the main purpose of protecting everybodys right to read freely modify and distribute the software which is GPL LGPL licensed When the word free is used when discussing the GNU licenses one should
28. think of free as in free speech and not free beer 11 Jakob Normark expl j zit w GIS Using open source or commercial products 8 3 The licenses This is a quick summarization of a few of the open licenses 8 3 1 Copyleft Copyleft means making a program free and ensuring that all modified and or extended versions of the program stays free and that copylefted code never may be relicensed to a proprietary license thus making it closed source 8 3 2 GNU General Public License The GNU General Public License GPL is the most used open license It is a copyleft license designed to ensure that software licensed under GPL will stay free to anyone Free then means the freedom to use the software for any purpose to share the software to change the software and to share the changed software Despite changes and sharing the program will stay GPL and this is what differs GPL from LGPL If for example a programmer writes a library and releases this under the GPL license all programs that use the given library must also be free software thus ensuring that all usage of the library will be done by open source software 8 3 3 GNU Lesser General Public License The GNU Lesser General Public License LGPL is also a open license that is maintained by the Free Software Foundation The main difference between LGPL and GPL is that the LGPL license is not a copyleft license This means that any software libraries writt
29. watch and a GPS is used when going for a walk one would later want to see pulse and location at a given time presented graphically on a map and for this GIS can be used Should a open source GIS or commercial GIS be used How does open source licenses affect a commercial product 2 Jakob Normark 171 Ki GIS Using open source or commercial products explizit gop p 2 2 The concrete problem A software prototype for mapping data geographically built on a open source GIS is needed e HR Monitor 3 Jakob Normark expl j zit w GIS Using open source or commercial products 3 Purpose I did my thesis project at Explizit for 10 weeks which is I5HP and completed the following tasks e Finda heart rate monitor with GPS and bluetooth Investigate GIS solutions to see what GIS suits Explizits demands best Look into the different open source licenses how they affect a commercial product Develop a prototype using a open source GIS solution Write a report on the thesis project 4 Jakob Normark expl 1 zit w GIS Using open source or commercial products 4 Time plan 4 1 The plan The project is planned to take 10 weeks e Week no Decide which pulse watch GPS to use e Week no Gather information about the different licenses used in open GIS software and put together a report of this e Week no 2 4 Get a understanding of what differs in the open source GIS versions and also in the c
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LTU HIP EX 08/025 SE