Archive for the ‘GIS’ Category
Summarized Note for GIS midterm exam..
Abbreviation:
GIS: Geographical Information Systems
GPS: Global Positioning System
Key Points:
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GIS:
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Information System designed to work with data referenced by spatial or geographic co-ordinates
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Database system with specific capabilities for spatially referenced data as well as a set of operations for working with the data
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Reasons to have GIS
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geospatial data are poorly maintained
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maps and statistics are out of data
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data and information are inaccurate
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there is no data retrieval service
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there is no data sharing
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