GOCEdata WPS GOCE data GRASS GIS WPS GOCE WPS 1.0.0 None none Politecnico di Milano Marco Negretti via Valleggio, 11 Como 22100 it marco.negretti@polimi.it 0:00-24:00 none gemma Extract Gemma data Extract Gemma data in a region goce Extract Goce data Extract Goce and relative standard deviation data in a region hmanipulator Harmonic Manipulator Harmonic Manipulator en-CA eng