Thank you very ... very much Even for your help. I will then download
gdaldem.cpp and use it to do the job.
With best regards.
Belaid Moa.
> From: [email protected]
> To: [email protected]
> Subject: Re: [gdal-dev] Colored images from grayscale images.
> Date: Wed, 8 Jul 2009 20:51:08 +0200
> CC: [email protected]; [email protected]
>
> Just to mention that the gdaldem utility, that has landed into GDAL 1.7.0dev
> trunk, is derived from Matt Perry dem tools (derived themselves from
> ancient - public domain - GRASS code ;-)). You can grab it here :
> http://trac.osgeo.org/gdal/browser/trunk/gdal/apps/gdaldem.cpp. It should
> compile fine against GDAL 1.6.X.
>
> Le Wednesday 08 July 2009 20:47:56 Belaid MOA, vous avez écrit :
> > Thank you very much Andre for your help. I tried downloading the source
> > code from the website
> > http://www.perrygeo.net/download/gdaldemtools_20060207.zip but I am getting
> > a 404 error: resource not found. Is there any other way to get the source
> > code?
> >
> > Thanks a lot in advance Andre.
> > Belaid Moa.
> > Date: Wed, 8 Jul 2009 11:30:17 -0700
> > Subject: Re: [gdal-dev] Colored images from grayscale images.
> > From: [email protected]
> > To: [email protected]
> > CC: [email protected]
> >
> > As far as coloring goes, Matt Perry had some C++ tools that included this
> > ability, see http://www.perrygeo.net/wordpress/?p=7 and look for
> > color-relief.cpp. I recall that there was some talk that these would be
> > included in the GDAL utilities at some point, perhaps they already are.
> > Depending on what you intend to use the image for, I agree that using
> > Mapserver might be the best solution for doing this, especially since
> > generating the legend would be trivial.
> >
> > --
> >
> > On Wed, Jul 8, 2009 at 10:33 AM, Belaid MOA <[email protected]> wrote:
> >
> >
> >
> >
> >
> >
> > Hi everyone,
> > Is there any easy way to do the following using C++ in GDAL: I have a
> > floating-point image and I'd like to associate arbitrary colors with ranges
> > of the pixel levels. For example: for the pixel values in [0,0.1) associate
> > red, for [0.1, 0.2) associated orange, for [0.2, 0.3) associate light blue,
> > for [0.3,0.4) associate dark blue, for [0.4, 0.5) associate green, etc. I
> > would like also to have this information available in the metadata or as
> > legend so that users know what the colors stand for when they view the
> > image.
> >
> >
> > Thanks a lot in advance for any input.
> >
> > With best regards.
> > Belaid Moa.
> >
> >
> >
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> > out
> >
> >
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> >
> >
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