[gdal-dev] Creating RGB from single band greyscale images

[Frank Warmerdam]

mattia wrote:
> Hello
> 
> Is there a way in GDAL to create an RGB image by merging 3 different 
> greyscale bands??
> I guess it would not be gdal_merge as this has to do with mosaicking...
> 
> Any suggestions?

Mattia,

Actually, gdal_merge.py also support "merging by stacking" with the
-separate flag.  So if you had three greyscale files that cover the
same area and you do:

  gdal_merge.py -separate 1.tif 2.tif 3.tif -o rgb.tif

This map 1.tif to red, 2.tif to green and 3.tif to blue.

Best regards,
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