Thursday, November 20, 2014

Geographic information system (GIS)

Definition:
            Systematic integration of Hardware and Software for capturing, storing, displaying, updating, manipulating and analyzing the spatial data

Few Examples:
            Accuracy of maps, designing time-dependant geographic data models and developing better conversion tools and methods.

Spatial data:
Ø  Also called Geospatial data.
Ø  Information that identifies the geographic location of features and boundaries on earth.
Spatial data is usually stored as coordinates and topology

Why Spatial Data Special?

Describes objects that have a distinct position-attributes and relationship to each other within a defined space

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