[osg-users] VPB: Call to GDALRasterBand::RasterIO returns wrong "no data values" for gtopo30
John Vidar Larring
larring at weatherone.tv
Mon Sep 1 05:38:57 PDT 2008
I was about to, but then forgot it. Also, since no one else had voiced
the same problem and I was terribly new to OSG/GDAL, I ended up just
made a hack in the VPB src instead:
--- src/vpb/SourceData.cpp (revision 927)
+++ src/vpb/SourceData.cpp (working copy)
@@ -33,7 +33,7 @@
+ maxValue(55000.0f) // maxValue(FLT_MAX)
...but now that you have reproduced the exact same behaviour, please go
ahead and add a bug report to gdal.
Cedric Pinson wrote:
> I have the same problem, i did not notice the bug in the trac of gdal
> did you report it ?
> John Vidar Larring wrote:
>> Hi Robert,
>> > This sounds like a GDAL bug. Would it be possible for you to provide
>> > links to the problematic data.
>> As far as I know this is just the standard GTOPO30 data from USGS. The
>> DEM files can be downloaded from:
>> > I'd guess the GDAL team might like to look at it as well.
>> ...as in, I should report this to http://trac.osgeo.org/gdal/ ???
>> Best regards,
>> Robert Osfield wrote:
>>> Hi John,
>>> This sounds like a GDAL bug. Would it be possible for you to provide
>>> links to the problematic data. I'd guess the GDAL team might like to
>>> look at it as well.
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