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

•  the step by step guide

• : (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