Geographic Information Systems
Lab and Activities

The three steps in cartographic modeling are:

1. Start with the des1red final product. Determine what makes up the final product and information needed. Calculate as much as possible. Collect as little as possible.
2. Determine intermediate steps to get to the final product using major functions supported by the GIS such as re-class, buffering, group, etc. Step backward from the final product to determine "raw" data needs.
3. Collect needed data..

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Updated January 2008.

Copyright 2007 Northwest Center for Sustainable Resources,Salem,Oregon.