[gdal-dev] Changing color of raster images based on their data values - gdal

[Even Rouault]

Le mardi 03 février 2015 07:14:58, user_name a écrit :
> Let's say I have 1 band raster images with Gray Color Interpretation and I
> want to change their color based on their data values. Data values -1, will
> be Blue, -0.5 will be Light Blue, 0 will be Yellow, 0.5 will be Orange and
> 1 will be Red. If the data values are <-3000, I want to have that colored
> Black and if the data values are >3.402, that should be colored White .
> Will that be possible in gdal? One of the color ramp available in qgis is
> the RdYlBu. That is what I preferred to use.
> 
> Thank You!

"gdaldem color-relief" is what you want. See http://gdal.org/gdaldem.html

Even

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