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9
votes
2answers
1k views

What are the implications of invalid geometries

I've imported some data in a Postgis database and some of the geometries are reported invalid (ST_IsValidReason reports self-intersection or ring self-intersection). The queries I am performing don't ...
3
votes
4answers
2k views

Is there any place in which I can find a list of invalid database characters for ArcGIS 10?

Relating to my question about the split tool here, as suggested I ask a new question: is there any place with a list of invalid characters to use in a database in ArcGIS 10? edit: It is in relation ...
1
vote
0answers
84 views

Invalid geometry

I'm working on some shapefiles in both ArcGIS 10.2 and QGIS 2.0. I have 3 files which I have cleaned of self intersections in ArcGIS using Repair Geometry. I have also checked for Overlaps using the ...