Is there a relatively quick way to identify where gaps < a certain size are present between polyline? E.g. would there be an easy way to join line likes the ones in the below image if the gap was <10m?
I have access to ArcMap, MapInfo and QGIS.
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In ArcGIS, you may want to try Extend Line (Editing). In the tool you can specify the extend length to a tolerance of 10m.
Don't know how quick this (untested) ArcMap solution would be, but...also not sure of your licensing limitations on function access.
GenerateNearTable on the result, and filter on distance. You might have to use
JoinField or something on the singlepart result to bring over whatever attribute field you're using to unify multipart features.
Could probably use
Buffer or something similar in lieu of
If you have MapInfo Professional 12.0, have a look at the new PolyBuilder tool that has been added to the Tool Manager