Hi Peter! peter: ... > * Task: "Some combination of GRASS modules" derives a shortest path (a > subset of pixels, not a vector) between the two given points which is > plotted along the contrast changes of the raster data.
There is i.zc and I think r.gauss (an add-on provided by Jachym [1]) that should do edge-detection. Haven't used i.zc, with r.gauss I was playing a bit in the past. Cheers, Nikos --- [1] http://grass.osgeo.org/wiki/GRASS_AddOns#r.gauss _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
