COD Tutorial: How to correct topological errors
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Step by step guide
This tutorial was developed using common errors with COD-AB. The techniques to used to inspect and correct data can be applied to other datasets with their own elements in mind.
The following topics are discussed:
Inspecting data for topological errors
Creating an error report
Fixing topology errors (gaps, overlaps)
Creating higher admin levels from the lowest level available
Resources
Topology Correction in AcrGIS the step by step guide
Data identified in the Correct Topology Tutorial: (note that it was manually altered to have errors in it for learning purposes)
Related to the this tutorial: COD Tutorial: How to evaluate COD-AB topology