Polygon topology validation in ArcGIS - whole study area artefact problem
Geographic Information Systems Asked on March 18, 2021
I have no experience with topology validation in ArcGIS. I have polygon feature class.
When I create topology for this feature class, I specify two topology rules :
- Must Not Overlap
- Must Not have Gaps
After correcting all understandable artefacts, one problem remained visible on the map.
I would like to ask you if I should to Mark as Exception?
2 Answers
I can see you still have an error at the lower left side of your image, maybe this is the reason why the whole study area is highlighted as red:
Answered by ahmadhanb on March 18, 2021
The outer box will always show as a gap. Once all other errors have been fixed, reassess the topology and verify this is the only remaining error in the error inspector. If the outer box is the only area, then dismiss it and continue with your process.
Answered by If you do not know- just GIS on March 18, 2021
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