Take the following use case: I want to verify which antennas (points) on a certain site actually 'see' each other and for which visibility is blocked by buildings (areas).

So, I would like to take my point map and submit it to v.net.visibility, telling it that it should use the area map as obstacles. However, v.net.visibility does not work that way: I have to patch the point and the area map and submit the patched map to v.net.visibility, but then all the nodes of the polygons are also integrated into the visibility analysis, i.e. I get the visibility network not only between my antennas, but also between all polygon corners and between the antennas and the polygon corners.

Am I misunderstanding the use of v.net.visibility, or is this something that could be envisaged (i.e. should I post an enhancement ticket in trac) ?

Moritz
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