[gdal-dev] gdalenhance command issue with stddev option

[naresh]

Dear Even Rouault-2,
  Thanks for the suggestion, I will do.

Thanks&Regards,
Naresh

On Tue, Jun 6, 2017 at 1:45 PM, Even Rouault-2 [via OSGeo.org] <
ml+s1560n5323158h91 at n6.nabble.com> wrote:

> On lundi 5 juin 2017 23:52:22 CEST naresh wrote:
>
> > Dear Rahkonen,
>
> > Thanks for the quick response. However with gdalenhace -help showing the
>
> > -stddev option. Please find the attache screenshot.
>
> >
>
> > [image: Inline image 1]
>
> >
>
> > Is there any other mechanism/tool is available for enhancing the images
>
> > with stddev option.
>
> >
>
>
>
> You can run gdalinfo -stats in.tif
>
>
>
> note the mean and stddev values
>
>
>
> and then compute
>
>
>
> s_min=mean - factor * stddev
>
> s_max= mean + factor * stddev
>
>
>
> gdal_translate in.tif out.tif -scale s_min s_max 0 255
>
>
>
> Best regards,
>
>
>
> Even
>
>
>
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>
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>
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