Geographic Information System Dr B P Lakshmikantha Scientist, KSRSAC.

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Presentation transcript:

Geographic Information System Dr B P Lakshmikantha Scientist, KSRSAC

What is GIS?  Geographic  Information  System  …a system which handles information about geography..

GIS “ Set of tools for – Collecting Storing Retrieving Transforming & Displaying …..geographically referenced spatial data with its corresponding attribute information to meet specific requirements

GIS BORN IN THE LATE 50’S … FIRST SOFTWARE – IN LATE 70’S MULTIPLE INFORMATION STORAGE REVOLUTION IN IT COMPUTERS REMOTE SENSING GPS INTERNET COMMUNICATION TECH INCREASE IN SPEED FUNCTIONALITY USER FRIENDLINESS VISULAISING IMPACT INFLUENCE OF EVERY DAY DECISIONS QUERY AND STATISTICAL ANALYSIS PLANNING OF PROJECT BETTER DECISIONS VISUAL ANALYSIS IMPROVE ORGANISATIONAL INTEGRATION

Spatial vs. Non-spatial SpatialNon-spatial Objects – spread over earth’s surface Attributes of that objects Map, Image, ModelDescription, Database WhereWhat Well, BuildingDepth, Ownership interdependant

A network of satellites that continuously transmit coded information, which makes it possible to precisely identify locations on earth Uses : Navigational Tool Surveying Real-time Mapping Global Positioning System

Applications of GIS  Natural Resources Management  Environmental Planning  Water Resource Management  Agriculture  Forestry  Coastal Management  Urban Planning  Transport/Fleet Management  Facilities Management