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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.
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<div>Michael<br>
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<div>____________________</div>
<div>C. Michael Barton</div>
<div>Director, Center for Social Dynamics & Complexity </div>
<div>Professor of Anthropology, School of Human Evolution & Social Change</div>
<div>Arizona State University</div>
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voice: <span class="Apple-tab-span" style="white-space: pre; "> </span>480-965-6262 (SHESC), 480-727-9746 (CSDC)<br>
fax: 480-965-7671 (SHESC), 480-727-0709 (CSDC)<br>
<div>www: <a href="http://www.public.asu.edu/~cmbarton">http://www.public.asu.edu/~cmbarton</a>,
<a href="http://csdc.asu.edu">http://csdc.asu.edu</a></div>
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<div>On Aug 19, 2012, at 12:00 PM, <<a href="mailto:grass-user-request@lists.osgeo.org">grass-user-request@lists.osgeo.org</a>></div>
<div> wrote:</div>
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<span style="font-family: Helvetica; font-size: medium; color: rgb(127, 127, 127); "><b>From:<span class="Apple-converted-space"> </span></b></span><span style="font-family: Helvetica; font-size: medium; ">Dave Kindem <<a href="mailto:dkindem@gmail.com">dkindem@gmail.com</a>><br>
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<span style="font-family: Helvetica; font-size: medium; color: rgb(127, 127, 127); "><b>Subject:<span class="Apple-converted-space"> </span></b></span><span style="font-family: Helvetica; font-size: medium; "><b>[GRASS-user] Importing From GeoPDF</b><br>
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<span style="font-family: Helvetica; font-size: medium; color: rgb(127, 127, 127); "><b>Date:<span class="Apple-converted-space"> </span></b></span><span style="font-family: Helvetica; font-size: medium; ">August 19, 2012 8:00:21 AM MST<br>
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<span style="font-family: Helvetica; font-size: medium; color: rgb(127, 127, 127); "><b>To:<span class="Apple-converted-space"> </span></b></span><span style="font-family: Helvetica; font-size: medium; "><<a href="mailto:grass-user@lists.osgeo.org">grass-user@lists.osgeo.org</a>><br>
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Hello,
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<div>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:</div>
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<div>r.in.gdal input=/Users/dkindem/MI_Grand_Haven_20110923_TM_geo_wgs.tif output=MI_Grand_Haven_20110923_TM_geo_wgs</div>
<div>Projection of input dataset and current location appear to match</div>
<div>r.in.gdal complete. Raster map <MI_Grand_Haven_20110923_TM_geo_wgs.red> created.</div>
<div>r.in.gdal complete. Raster map <MI_Grand_Haven_20110923_TM_geo_wgs.green> created.</div>
<div>r.in.gdal complete. Raster map <MI_Grand_Haven_20110923_TM_geo_wgs.blue> created.</div>
<div>(Sun Aug 19 10:50:07 2012) Command finished (2 sec) </div>
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<div>Each layer displays (in monochrome), but I'd like to create a single, color, layer.</div>
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<div>I'm curious to know if others have encountered this, or have thoughts on the issue.</div>
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<div>Thanks in advance,</div>
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<div>Dave</div>
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<div style="color: rgb(0, 0, 0); font-size: 12px; "><font class="Apple-style-span" color="#666666">Dave Kindem</font></div>
<div style="font-size: 12px; "><font class="Apple-style-span" color="#666666">Grand Haven, MI</font></div>
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