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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