GEOGRAPHICAL INFORMATION SYSTEMS

Geographical Information System(GIS) has it root in the stimulus provided by the development of remote sensing.Even though there are many techniques available for the process of remote sensing this GIS technique become very important in order to provide the collateral information.Today GIS include many extensive functionality for the purpose of image processing and also for all the types of remote sensing.Its is also used in the map monitoring process.This geographical information is about the geography, that is information which is tied to some specific set of location on the earth.