Thanks for the tips. I will try again. r.in.gdal worked fine. Maybe I just missed the created files from r.in.png like you said.
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 Sep 9, 2012, at 11:49 PM, Vaclav Petras <[email protected]> wrote: > Hi, > > On 10 September 2012 04:20, Michael Barton <[email protected]> wrote: >> I just tried to use r.in.png to prepare a demo of georectifying for my class >> >> 1. I made a map from the sc demo data of roads, streams, and lakes >> 2. I exported it to PNG. Looks fine >> 3. I used r.in.png to import it. No error. >> 4. No map >> >> I tried the default settings and the floating point flag. Any ideas? >> >> Michael > > I've recently used r.in.png and r.in.gdal (for PNG import) and both > worked well. Only problem was that I have fresh (new) xy location > without reasonable default region and when I imported data and added > them to layer manager, I saw only grey color. The problem was that I > had to do "zoom to map" because my display was zoomed to one pixel > (bbox 0,0,1,1). > > Another problem is that after import one map is added to layer > manager. Unfortunately this map does not exist. It is map with the > name same as the picture name. But there are three maps one for each > color. This is a bug. But so far there are no ideas how to fix it. > > Vaclav _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
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