Hello Everyone! I have a 30m DEM raster for which I want to calculate Horizon angles (Max angle of sky obstruction) in some specific directions from a point within the DEM. Lets say the point is in middle of DEM and I want to calculate max sky obstruction angle from this point for 30, 60, 90 and 120 degree North and so on.
All I know is to march out in a specific direction and calculate max angle on the basis of height and distance your from point . How can I do that in QGis python console After loading the raster through gdal and reading it as numpy arrays? What could be the logic of this calculation? Urgent Help needed thanks in advance
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