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@@ -105,6 +105,13 @@ available for a given file format, and certain compression methods may
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only be supported for certain data types (depends on vendor and version).
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<!-- e.g. data destined for ESRI software should use COMPRESS=LZW/PACKBITS/DEFLATE ??? -->
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<p>
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+If the export settings are set such that data loss would occur in the output
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+file (i.e, due to the particular choice of data type and/or file type), the
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+normal behaviour of <em>r.out.gdal</em> in this case would be to issue an error
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+message describing the problem and exit without exporting. The <b>-f</b> flag
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+allows raster export even if some of the data loss tests are not passed, and
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+warnings are issued instead of errors.
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+<p>
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<em>r.out.gdal</em> exports may appear all black or gray on initial
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display in other GIS software. This is not a bug of <em>r.out.gdal</em>,
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but often caused by the default color table assigned by that software.
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Eric Patton