1. PAPER PRESENTATION
ON
OPEN SOURCE WEB GIS
PRESENTED BY
SHWETA GHATE
SONAL KATRE

2. OPEN SOURCE WEB GIS
• 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 IS STORED 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: soil types ,vegetation etc.
•VECTOR
eg:roads ,building ,boundaries
Fig 3: DATA MODELS IN GIS

7. QUERY AND DISPLAY
Fig 4:LITERACY MAP OF INDIA

8. BUFFER
ANALYSIS
Fig 5:Medical facilities reaching 8
km radius
NETWORK
ANALYSIS
Fig. Showing Fertilized Area

9. Overlay Analysis and Terrain
Modeling
Fig 6: Digital Elevation Model

10. • IMPLEMENTING WEB GIS
 OSS GRASS
 RDBMS
 PHP
• GIS COMPONENT
 RDBMS COMPONENT
 WEB COMPONENT

11. • SYSTEM FEATURES
“http://gisw.media.osape.cu.ac.sp/slink./”
• ADVANTAGES
• DISADVANTAGES
• CONCLUSION

13. QUERIES