1. (GIS)[Open Source Geographic InformationSystems(GIS)]Ajaze Parvez Khan,INDIA[ ,]ajazepk@gmail.com

2. GIS[FREE GIS] 3. DRDO 2-3 Teraflops [Under Project Chitra, DRDO is implementing a system with a computational speed of 2-3 Teraflops utilizing commercial off the shelfcomponents and the Open Source Linux Operating System.]ISRO 2- , Geospatial (Mapserver, Geoserver, 52 , OpenLayers) .[Bhuvan-2D a software application which allows users to surface of the Earth especially Indian Region is developed using open-source softwareGeospatial solutions (Mapserver, Geoserver, 52 North, OpenLayers).]State GovernmentIT@school , . FOSS- .[IT@school project is a Free and Open Source initiative by the department of general education, Government of Kerala. This is a state wideFOSS-based education project which has been running successfully for the last five years.] . 4. [What is Open Source and How Does it Work] [Freely available software and source code with limited licensing restrictions on distribution], [Collaborative, community-based software development process] [Proactive engagement of software users with software developers] [The Internet provides the backbone for a virtual software development team], , 500 .OSGeo ( Geospatial) Autodesk [Big projects like Linux, Apache, Mozilla Firefox and OpenOffice are supported by Fortune 500 companies like IBM and Sun.OSGeo (Open Source Geospatial) is supported by Autodesk.] 5. [Benefits of Open Source Software] [Cut down budget, No licensing fees] [Excellent tools for research and development] [Opportunity for technology exploration] [Prototyping and emo] [Enables development of highly customized applications based on clients needs] [Development priorities are driven by end-user needs] 6. ?[Why Use Open Source GIS?] : [Marketable skills:In this ever-changing job market it is a huge benefit to be able to bring a total GIS package tothe table] : [Supported by huge development & support community :Backed by large development community. Community isvery passionate about helping each other and continually improving software] : [Low start-up costs :It is now possible to install a complete GIS without paying a paisa[ : . [Security:Arguably more secure than proprietary software. Bugs are found and fixed quickly] . Libgeotiff GDAL / OGR.[All proprietary GIS software vendors are using some Open Source GIS components in their products. Like Libgeotiff andGDAL/OGR.] 7. ?() (, , )[Works on all major platforms (Mac, Linux, Windows)] , , ... , , ... ( ) Add-ons[Theres nothing missing:Desktop GIS, Spatial Database Storage, Server,Tons of analysis tools ,Raster,Vector ..(No licensing worries),Community developed add-ons ] (SHP) ArcSDE PostGIS ( ) [Works with existing GIS data:Import .shp files, most major formats,Export to most major formats,ArcSDEnow connects to PostGIS (OS Database)] [No file format lock-in] 8. OSGEO: geospatialFOSS4G:: Geospatial 9. : [Free Alternatives For our GIS Needs] - [GRASS - (Geographic Resources Analysis Support System) http://grass.osgeo.org/ ] - [OSSIM - Advanced remote sensing & image processing http://www.ossim.org/OSSIM/OSSIMHome.html ] - [Quantum GIS - Desktop GIS http://www.qgis.org/ ] gvSIG - [gvSIG Gis by Govt of Spain http://www.gvsig.org/] uDig - [uDig User friendly Desktop Internet G http://udig.refractions.net/] GDAL, OGR - [GDAL, OGR - Translator library for geospatial data formats http://www.gdal.org/] PostgreSQL/ PostGIS - [PostgreSQL/ PostGIS - Spatial Database http://www.postgresql.org/ , http://postgis.refractions.net/] GeoServer - / [GeoServer - Server for Online Publishing/ Data Sharing http://geoserver.org/display/GEOS/Welcome ] OpenLayers - ()[OpenLayers - Web Application Programming Interface (API) http://openlayers.org/] , . 10. - [GRASS-Geographic Resources Analysis Support System] , , .[GRASS is currently used in academic and commercial settings around theworld, as well as by many governmental agencies and environmentalconsulting companies. ] . . , , .[GRASS is a long-standing, complete GIS system. It was originally written inUnix by US Army. The GRASS community is enormous, and world-wide, withcommensurate support resources.] Geospatial . 11. - [OSSIM-Open Source Software Image Map] - 3D [OSSIM Planet - an accurate 3D global geo-spatial viewer that is built on top ofOSSIM] Orthorectification, , , , fusions, , datums . [Includes orthorectification, precision terrain correction, rigorous sensor models, very large mosaics,and cross sensor fusions, a wide range of map projections and datums, and a large range ofcommercial and government data formats] ++ , , [C++ software library that provides advanced remote sensing, image processing,and geo-spatial functionality] 12. , | MapServer .[QGIS is a GIS, extremely simple to operate, and creates configuration files for theMapServer web map server.] - Quantum GIS (QGIS)[FREE] [Desktop application very user friendly]Shp , WMS [Can work directly with .shp file, WMS etc ] - , , [Any Platform Windows, Mac, Linux] ( Add-ons )[Plugins available (Similar to Firefox add-ons)] , 3- , [Allow spatial , 3-D and statistical analysis] [User interface for GRASS tools]OGR [OGR allows use of TONS of formats]PostGIS [PostGIS interface]MapServer [MapServer export] 13. (, ) .[Integrating in the same view both local (files, databases) and remote data through OGC standards.] , .[Being designed to be easily extendable, allowing continuous application enhancement, as well asenabling the development of tailor-made solutions.] , , .[Being developed using Java, and being available for Linux, Windows and Mac OS X platforms.] () , ,, | , , |[gvSIG is a geographic information system (GIS) designed for capturing, storing,handling, analyzing and deploying any kind of referenced geographic information inorder to solve complex management and planning problems. gvSIG is known forhaving a user-friendly interface, being able to access the most common formats,both vector and raster ones.]gvSIG 14. uDig Eclipse Rich Client .[uDig is an java based open source desktop GIS application framework, builtwith Eclipse Rich Client technology.] , .[User friendly, providing a familiar graphical environment for GIS users] , (WMS, WFS, WPS) (GeoRSS, , ) .[Internet oriented, consuming standard (WMS, WFS, WPS) and de facto (GeoRSS, KML, tiles)geospatial web services] .[GIS ready, providing the framework on which complex analytical capabilities can be built, andgradually subsuming those capabilities into the main application] Geospatial .[Conforms to important Open Geospatial Consortium standards]Refractions uDig 15. OGR ++ ( commandline) . ESRIShapefiles, -57, SDTS, PostGIS,Oracle , MapInfo mid/mif .[The OGR Simple Features Library is a C++ open sourcelibrary (and commandline tools) providing read (andsometimes write) access to a variety of vector fileformats including ESRI Shapefiles, S-57, SDTS,PostGIS, Oracle Spatial, and Mapinfo mid/mif and TABformats]GDAL . .[GDAL is a translator library for rastergeospatial data formats...It also comes witha variety of useful command line utilities fordata translation and processing],[GDAL, OGR] 16. + [PostGIS +PostgreSQL] PostgreSQL - [PostgreSQL is a powerful, open source object-relational database system] Geospatial [A true spatial database Conforms to Open Geospatial Consortium standards] [Secure storage for both spatial and non spatial data]PostGIS ESRI SDE PostgreSQL () " "[PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for(GIS), much like ESRIs SDE] 17. GeoServer .[GeoServer is an open source software server written in Java that allows users to share andedit geospatial data] Geospatial (OGC) (WFS) (WCS) , (WMS) .[GeoServer is the reference implementation of the Open Geospatial Consortium (OGC) WebFeature Service (WFS) and Web Coverage Service (WCS) standards, as well as a highperformance certified compliant Web Map Service (WMS).] 18. 1994 6.0.2 /++Platform www.mapserver.org . , |[MapServer is an open source development environment for building spatially enabled internet applications. MapServerwas developed by the University of Minnesota with support from NASA, which needed a way to make its satelliteimagery available to the public]Developer(s) Stephen LimeInitialrelease1994Stablerelease6.0.2Written in C / C++Platform Cross-platformType GIS softwareWebsite www.mapserver.org 19. OpenLayers [Similar to Google Maps API] [Makes building dynamic mapping web pages very easy] [Provides the tools needed to easily add a map to a webpage] overlaying [Allows overlaying your own data] [Can display map tiles and markers loaded from any source] . . , .[OpenLayers is Free Software, developed for and by the Open Source software community. OpenLayersmakes it easy to put a dynamic map in any web page. It can display map tiles and markers loaded fromany sourceOpenLayers is a pure JavaScript library for displaying map data in most modern webbrowsers, with no server-side dependencies] 20. ..If resource is limited, do not want to reinvent the wheel and really want that what is made should be worldclass ,and be used ,switch to FOSSbecause Future is open source , , |