[gdal-dev] PAM & nodata values

Frank Warmerdam warmerdam at pobox.com
Tue Sep 30 17:25:51 EDT 2008


I have had no problem reproducing your bug.  Could you file a ticket on th
issue.  The following change fixes the bug, but  I need a ticket to push the
fix back into the source tree.


Best regards,

warmerda at iBook% svn diff
Index: nitfdataset.cpp
--- nitfdataset.cpp     (revision 15371)
+++ nitfdataset.cpp     (working copy)
@@ -458,7 +458,7 @@
     if( psImage->bNoDataSet )
         return psImage->nNoDataValue;
-        return -1e10;
+        return GDALPamRasterBand::GetNoDataValue( pbSuccess );


On Tue, Sep 30, 2008 at 8:27 PM, Matt Klaric
<matt at diglib1.cecs.missouri.edu> wrote:
> I'm attempting to set the nodata value on an NITF image and then
> subsequently read this nodata value back out of the image.  However this
> read fails to find the newly set nodata value.  See the attached source
> code and an example image.  You can see that the nodata value is being
> set for (the first band of) the image in the PAM XML file.
> Any ideas?
> FYI....I'm using version 1.5.2.
> Thanks,
> Matt Klaric
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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