Introduction to GIS


Presentation Description

it is a software,also a new technology


Presentation Transcript

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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