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Open source web GIS
The document presents information on open source web GIS. It discusses that open source web GIS is an open source software used for mapping geographical areas that is user friendly. It then provides details on what GIS is, its components including hardware, software, data, methods and people. It describes how data is stored in layers and different data models used. Finally, it discusses implementing web GIS using open source software like GRASS and RDBMS with PHP and the features, advantages, disadvantages and conclusion of open source web GIS.
Open source web GIS
- 1. PAPER PRESENTATION ON OPEN SOURCEWEB GIS PRESENTED BY SHWETA GHATE SONAL KATRE
- 2. OPEN SOURCE WEBGIS • It is an open source software. • Used for mapping of geographical area. • It is user friendly.
- 3. WHAT IS GIS? •GEOGRAPHIC • INFORMATION • SOFTWARE
- 4. COMPONENTS OF GIS •HARDWARE • SOFTWARE • DATA • METHOD • PEOPLE
- 5. HOW DATA ISSTORED IN GIS •In the forms of LAYERS. •Each layer has identifier use to distinguish different Layers. Fig 2:DATA STORAGE IN GIS
- 6. DATA MODEL •RASTER eg: soiltypes ,vegetation etc. •VECTOR eg:roads ,building ,boundaries Fig 3: DATA MODELS IN GIS
- 7. QUERY AND DISPLAY Fig4:LITERACY MAP OF INDIA
- 8. BUFFER ANALYSIS Fig 5:Medical facilitiesreaching 8 km radius NETWORK ANALYSIS Fig. Showing Fertilized Area
- 9. Overlay Analysis andTerrain Modeling Fig 6: Digital Elevation Model
- 10. • IMPLEMENTING WEBGIS OSS GRASS RDBMS PHP • GIS COMPONENT RDBMS COMPONENT WEB COMPONENT
- 11. • SYSTEM FEATURES “http://gisw.media.osape.cu.ac.sp/slink./” •ADVANTAGES • DISADVANTAGES • CONCLUSION
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