Michael wrote: > My guess is that the projection information for one of the > original files is incorrect. My bet is on the shapefile. You > can test by importing a 3rd file where you know the > projection info is good (e.g., something from USGS or an > SRTM) and seeing which one matches and which one doesn't.
specifically check that the datum is set correctly. a correct projection but wrong datum typically shows up as a roughly 100m north-south misalignment, as the ellipsoid is less or more squashed from the poles to the equator in one vs the other. (here I use "datum" and "ellipsoid" interchangably, while technically in grass a given datum implies its given ellipsoid) Hamish _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
