If you have 3 red, green, blue channels, you can combine them to display using d.rgb (under the special raster menu button in the layer manager) or combine them into a single color map using r.composite.
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 Aug 19, 2012, at 12:00 PM, <[email protected]<mailto:[email protected]>> wrote: From: Dave Kindem <[email protected]<mailto:[email protected]>> Subject: [GRASS-user] Importing From GeoPDF Date: August 19, 2012 8:00:21 AM MST To: <[email protected]<mailto:[email protected]>> Hello, I'm trying to import a new-style GeoPDF USGS topo map into an existing GRASS location as a raster layer. I've converted the file to a GeoTIFF with gdal_translate and then adjusted to projection using gdalwarp. When I import the GeoTIFF into GRASS, each color band is written as a separate layer: r.in.gdal input=/Users/dkindem/MI_Grand_Haven_20110923_TM_geo_wgs.tif output=MI_Grand_Haven_20110923_TM_geo_wgs Projection of input dataset and current location appear to match r.in.gdal complete. Raster map <MI_Grand_Haven_20110923_TM_geo_wgs.red> created. r.in.gdal complete. Raster map <MI_Grand_Haven_20110923_TM_geo_wgs.green> created. r.in.gdal complete. Raster map <MI_Grand_Haven_20110923_TM_geo_wgs.blue> created. (Sun Aug 19 10:50:07 2012) Command finished (2 sec) Each layer displays (in monochrome), but I'd like to create a single, color, layer. I'm curious to know if others have encountered this, or have thoughts on the issue. Thanks in advance, Dave Dave Kindem Grand Haven, MI
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