[Gdal-dev] Do we need to specifically set band's min, max on
writting?
Frank Warmerdam
warmerdam at pobox.com
Tue Jun 12 23:25:35 EDT 2007
Joaquim Luis wrote:
> Frank,
>
> After my post I found out that the cause was due to fact that the file
> (a geotiff DEM, e.g. a float) has NaNs.
> That is on purpose, as they correspond to nodata values.
> Do you mean that all files that have NaNs cannot have their min/max
> computed?
Joaquim,
It means that NaNs are not currently ignored by the min/max computation
code. If you wish you could file that as a bug, though I'd claim putting
"special" values like NaN and Inf in floating point images is asking
for trouble.
Best regards,
--
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I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush | President OSGeo, http://osgeo.org
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