New answers tagged topology
If the number of polygons is relatively smaller and you prefer to keep the more detailed boundary I would probably make it semi-automatic way as following: remove the overlaps of less detailed polygon with Clipper plugin - you select more detailed polygon and use clipper which will remove all overlaps of other polygons. use AutoTrace plugin to quickly ...
It can be solved by GRASS or QGIS GRASS plug-in. See: https://grasswiki.osgeo.org/wiki/Vector_topology_cleaning Step by step (GRASS 6.4) 1. Start GRASS with GUI grass -gui Create a new location pushing Location wizard button. Select projection by epsg (32736) You needn't set up default region extent. Press Start GRASS session button (the new location ...
These are known as enclaves - one example is the Belgium/Dutch border towns of Baarle-Hertog and Baarle-Nassau. Until last month there were many enclaves on the Indian/Bangladeshi border but the two countries rationalised them finally. A google search for border enclaves will find you references to many more.
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