What is Geographic Information System (GIS)?
Geographic Information System or GIS can simply be defined as a computer based integrated database management system, which stores large volume of spatial data with its attribute or non-spatial data that are captured, stored, retrieved, processed and analyzed for providing answers to queries of a geographical nature.
GIS Data Providers
GPS
Global Positioning System is a technology which helps us in many way such as mapping mazes of oil & gas pipeline, locating a sources of a highly infectious disease, finding out the new resources etc.
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Aerial photography
Aerial photography is the art of taking photograph of any feature, landscapes or phenomenon on the earth surface for the purpose of building maps with the help of a camera which may be mounted on any aerial platform or held in hand. more...
Satellite Imagery
Satellite imagery means images or photographs of various planets including Earth, taken from artificial satellites.
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Surveying
The art of Surveying the earth surface considering its shape and size is called Geodetic Surveying
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Hard Copy Maps
Geological Survey of India (GSI)
National Atlas and Thematic Mapping Organisation (NATMO)
Survey of India
Remote Sensing
If an object, feature or phenomenon is located so remotely that it is impossible to come in contact with that object, feature or phenomenon physically, then the method of acquiring information about that particular object by using science is called remote sensing
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