Archive for February, 2009

Models for storing and representing spatial data in a GIS system

There are two main models for storing and representing spatial data in a Geographic Information System (GIS): the raster the vector models:
Raster Data – raster (or grid cell type) data can be used for analyzing, overlaying, and modelling area features such as soil types or forested areas. Raster data are generally typically scanned in from [...]

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