Kirk, 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.
Michael ____________________ C. Michael Barton Director, Center for Social Dynamics & Complexity Professor of Anthropology, School of Human Evolution & Social Change Arizona State University voice: 480-965-6262 (SHESC), 480-727-9746 (CSDC) fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC) www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu On Nov 9, 2011, at 10:00 AM, <[email protected]> wrote: > Date: Tue, 8 Nov 2011 12:38:24 -0600 > From: Kirk Wythers <[email protected]> > Subject: [GRASS-user] Raster and shape files miss aligned. > To: "[email protected]" <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > I have imported two files (one raster with r.in.gdal, and one shape file with > v.in.ogr). Both file are in the same projection, but do not align properly. > There is a North South shift that I can not explain. Any ideas what I might > have missed in the import? > > Thanks in advance > > Here are the results from g.region on each file: > > GRASS 6.4.1 (northcentralus_albersequalarea):~ > g.region -p vect=nw_prov212 > projection: 99 (Albers Equal Area) > zone: 0 > datum: nad83 > ellipsoid: grs80 > north: 1322833.8573 > south: 647305.3646 > west: 6150.4319 > east: 1003361.9406 > nsres: 250.01054504 > ewres: 249.99035064 > rows: 2702 > cols: 3989 > cells: 10778278 > > GRASS 6.4.1 (northcentralus_albersequalarea):~ > g.region -p > rast=mnwimifnfftgk7wt175v3_250m > projection: 99 (Albers Equal Area) > zone: 0 > datum: nad83 > ellipsoid: grs80 > north: 2960848 > south: 2087348 > west: -122110 > east: 1141890 > nsres: 250 > ewres: 250 > rows: 3494 > cols: 5056 > cells: 17665664 _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
