Hi! There is a small error in the GRASS-7 HTML-manual v.what.rast, http://grass.fbk.eu/grass70/manuals/html70_user/v.what.rast.html The required parameter is vector=name, ERROR: Sorry, <map> is not a valid parameter ERROR: Required parameter <vector> not set Thanks to developers for the great tool! Andres Kuusk Tartu Observatory, Estonia