Introduction to GIS

Information about Introduction to GIS

Published on February 20, 2009

Author: sagarvtk

Source: authorstream.com

Content

Introduction to GIS : Introduction to GIS Definition of GIS: A broadly accepted definition of GIS is the one provided by the united states geological survey(USGS-1997) “A GIS is a computer based system capable of capturing,storing,analysing and displaying geographical referenced information” Data for GIS Applications : Data for GIS Applications Digitised and scanned data Databases GPS field sampling of attributes Remote sensing and aerial photography Representation of data in raster and vector form : Representation of data in raster and vector form GIS Applications : GIS Applications Mapping locations Mapping quantities Mapping densities Finding distances Mapping and monitoring change

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