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Open Access Publications from the University of California

Unit 04 - The Raster GIS

  • Author(s): Unit 04, CC in GIS
  • Tomlin, Dana
  • Editor(s): Goodchild, Michael F.
  • Kemp, Karen K.
  • et al.

This unit introduces the raster data model for representing geographic phenomena. It differentiates it from the vector model and discusses appropriate applications, how a raster is created, the types of values that may be stored in a raster, and fundamental concepts like resolution, orientation, and zones. The unit concludes with an example analysis using a raster GIS.

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