Author: isaacullah Date: 2013-05-09 12:07:09 -0700 (Thu, 09 May 2013) New Revision: 56179 Added: grass-addons/grass6/raster/r.viewshed.cva/ Log: Added new python script "r.viewshed.cva.py", which indertakes a cumulative viewshed analysis using the musch faster r.viewshed (grass addon) instead of r.los.