On Fri, Dec 27, 2013 at 6:27 PM, Thomas Adams <[email protected]> wrote: > All, > > I'm using GRASS 7.0 svn from a few weeks ago on Ubuntu 13.10 (not that I > think either is an issue). I have imported a fairly large shapefile from > here: http://www.nohrsc.noaa.gov/data/vector/master/rfc_us.tar.gz -- 3084 > KB. It imports just fine into a lat/long Location and displays just fine, > but when I try to reproject the map into a LCC projection Location, I lose > feature data for most of the 12 (large) polygons. These polygons are > displayed (unfilled with any color) in my map, and when I query them I get > no attribute info; the other polygons (about 4 out of the 12) are fine. I > have tried the reprojection several times with identical results. This same > result occured with GRASS 6.4.x as well.
This is a known problem which can be avoided by adding new vertices with v.split. See also http://trac.osgeo.org/grass/attachment/ticket/1918/dense_points_effect.png for an illustration. Markus M > > I have successfully reprojected other vector maps from my lat/long Location > into my LCC Location without issues. It seems I have hit a memory problem?? > My computer has 8GB RAM. > > One thought is to import the vector map directly into my LCC Location; if > memory serves there is a way to do this from the command line, but I can not > remember how... > > Regards, > Tom > > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
