netCDF in a mapfile
Frank Warmerdam
fwarmerdam at GMAIL.COM
Fri Jan 28 06:42:23 PST 2005
On Fri, 28 Jan 2005 14:41:40 -0000, Lowe, D (Dominic) <D.Lowe at rl.ac.uk> wrote:
> Hi,
>
> Finally got round to checking this out.
> The gdalinfo -mm flag returns nan, nan. However if I do an ncdump on the
> file I can see that there are values in there too.
>
> Are NaN values likely to cause any problems?
Dominic,
Yes, NaNs will confuse the min/max computations in GDAL. This
means you will need to explicitly control the scaling in your mapfile
with the scaling processing directive.
Best regards,
--
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I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com
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