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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