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r.viewshed
Computes the viewshed of a point on an elevation raster map.
Raster (r.*)
ParameterRaster|input|Elevation|False
ParameterPoint|coordinates|Coordinate identifying the viewing position|0.0,0.0
ParameterString|observer_elevation|Viewing elevation above the ground|1.75|False|False
ParameterString|target_elevation|Offset for target elevation above the ground|0.0|False|False
ParameterString|max_distance|Maximum distance from the viewing point (meters)|-1|False|False
ParameterNumber|refraction_coeff|Refraction coefficient|0.0|1.0|0.14286|False
ParameterNumber|memory|Amount of memory to use in MB|1|None|500|False
*ParameterBoolean|-c|Consider earth curvature (current ellipsoid)|False
*ParameterBoolean|-r|Consider the effect of atmospheric refraction|False
*ParameterBoolean|-b|Output format is invisible = 0, visible = 1|False
*ParameterBoolean|-e|Output format is invisible = NULL, else current elev - viewpoint_elev|False
OutputRaster|output|Intervisibility
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