[Qgis-user] merge transparent raster?

maning sambale emmanuel.sambale at gmail.com
Mon May 30 21:15:45 PDT 2011


Tim has a tutorial using gdal command line tools:
http://linfiniti.com/2010/12/a-workflow-for-creating-beautiful-relief-shaded-dems-using-gdal/

You can probably tweak this to fit the QGIS GUI workflow.

On Tue, May 31, 2011 at 12:07 PM, custard <custard at westnet.com.au> wrote:
> Hi all,
>
> I've two 1-band rasters, one is a DEM, the other is a shaded relief of the
> DEM.
>
> I know I can create the illusion of a coloured shaded DEM by colouring the
> DEM through a colour table, and placing the DEM above the relief in the TOC,
> and adjusting the transparency of the DEM.
>
> I'm wondering, is there a way of merging these two files and retain the
> transparency of the DEM? [1,2]
>
>
> -ramon.
>
>
>
>
> 1. Wanting just to beable to hand one raster over, rather than two rasters,
> and a pile of instructions.
>
> 2. Yes, I can use the save image as, but that's a big backward step interms
> of quality.
>
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>
>



-- 
cheers,
maning
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"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
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