id summary reporter owner description type status priority milestone component version resolution keywords cc cpu platform 2014 r.sun using EPSG:3031 projection gives strange results pierreroudier grass-dev@… "I am working on Antarctica data, projected in Antarctic Polar Stereographic (EPSG:3031 [0][1]). This projection puts the South Pole in the ""center"" of the map. I have strange results in the Ross Sea Region using r.sun from GRASS 7 compiled from trunk: According to the r.sun results, the south facing slope receive more radiation than the north facing one, which doesn't add up. [0] http://spatialreference.org/ref/epsg/3031/ [1] http://nsidc.org/data/atlas/epsg_3031.html" defect new normal 7.0.7 Raster svn-trunk r.sun x86-64 Linux