How can I calculate Visibility using QGIS? I have not found any suitable plugins for QGIS to do this.
I wish to carry out a line of site analysis similar to the subject in here (preferably within QGIS): Visual Impact Assessment in QGIS or GRASS Scenario: I have two points, A and B. Point A is a ...
I try to use r.los for a viewshed calculation. I specify the dem (Aster DEM clipped on a 2km*2km region). I specify x and y coordinates and run the command. Nothing append. I waited for 20 minutes ...
How to find the buildings (polygons) a user can see from a given location (point) and orientation (angle range)?
I would like to retrieve the set of buildings I can see from a given location (point -lat,lng) and orientation (interval of angles) + certainly with a given depth (e.g. 100 meters). Ideally I would ...
Is it possible using QGIS or GRASS to perform a Zone of Visual Impact assessment? E.g. where can a 100m high structure be seen at a viewing height of 1.8m within 30km, taking into account elevation ...