[GRASS-user] r.out.gdal in GRASS 7.0 beta (windows OS) fails to export merged coloured-shade tiff

[Rengifo Ortega]

Dear Markusthanks a lot. It partly did the trick.
When using those settings in r.out.gdal, as you suggested,  it did preserve the colors as you said.  But , it also creates a long palette of colors that makes the rendering in ArcGIS  very slow specially for large tiffs . On the other hand, the RGB as produced by r.out.tiff (GRASS 6.4)  get rendered faster. For the time being it is a vailable solution, specially for small  datasets. 
For large datasets I am going to stick to r.out.tiff OR a  give try to a pure gdal approach using the hsv_merge.py script create by frank warmedam as suggested in this siteA workflow for creating beautiful relief shaded dems using GDAL

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| A workflow for creating beautiful relief shaded dems usi...A workflow for creating beautiful relief shaded dems using GDAL Posted December 5, 2010 by Tim Sutton & filed under gdal, General FOSSGIS, Linux and Ubuntu, QGIS.  |
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Thanks to everbody who contributed so gently to  this discussion.
Best regards 
Rengifo Ortega



 

    Markus Neteler <neteler at osgeo.org> schrieb am 1:04 Donnerstag, 14.Januar 2016:
 

 


On Jan 14, 2016 12:52 AM, "Anna Petrášová" <kratochanna at gmail.com> wrote:
>
> I tried on a raster with similar range of values as you do and when I don't specify the type it will automatically select UInt16 and I can then open it in ArcMap without problems and with the colors preserved.This requires, I suppose, GRASS GIS 7.0.1 or later.Markus

  
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