[Qgis-developer] GDAL Raster Merge

[Alexander Bruy]

Hi

2011/8/26 uk52rob <uk52rob at yahoo.co.uk>:
> 1.       The file size of the merged GeoTiff is over 10x the size of the
> combined originals;
Try to enable compression adding creation options to your command.
More info you can find in GeoTiff format page [0]

> 2.       The merged map is in greyscale only, and needs to be in colour.
By default GDAL merge all input rasters into single band image. May be you
problem can be solved by adding "-separate" parameter.

[0] http://www.gdal.org/frmt_gtiff.html

-- 
Alexander Bruy