open source web gis

PAPER PRESENTATION ON

OPEN SOURCE WEB GIS

PRESENTED BY SHWETA GHATESONAL KATRE

OPEN SOURCE WEB GIS• It is an open source software.

• Used for mapping of geographical area.

• It is user friendly.

WHAT IS GIS?• GEOGRAPHIC

• INFORMATION

• SOFTWARE

COMPONENTS OF GIS• HARDWARE

• SOFTWARE

• DATA

• METHOD

• PEOPLE

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

DATA MODEL

•RASTEReg: soil types ,vegetation etc.

•VECTOReg:roads ,building ,boundaries

Fig 3: DATA MODELS IN GIS

QUERY AND DISPLAY

Fig 4:LITERACY MAP OF INDIA

BUFFER ANALYSIS

Fig 5:Medical facilities reaching 8 km radius

NETWORK ANALYSIS

Fig. Showing Fertilized Area

Overlay Analysis and Terrain Modeling

Fig 6: Digital Elevation Model

• IMPLEMENTING WEB GISOSS GRASSRDBMSPHP

• GIS COMPONENT RDBMS COMPONENT WEB COMPONENT

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

• ADVANTAGES

• DISADVANTAGES

• CONCLUSION

THANKYOU

QUERIES