Thanks for your reply.
Would you be able to give me an example of the syntax for the gdal_translate
option?
How do I change the dynamics to 8 bits?
-scale [src_min src_max [dst_min dst_max]]:
Thanks
Chris
> Date: Fri, 11 Sep 2009 18:06:48 +0200
> From: even.roua...@mines-paris.org
> To: chrisember...@hotmail.com
> CC: gdal-dev@lists.osgeo.org
> Subject: Re: [gdal-dev] Problem with gdal_translate
>
> Selon Chris Emberson <chrisember...@hotmail.com>:
>
> The behaviour you see is expected. -expand rgb only works for bands that have
> color maps. You can transform your grey scale FILEA.asc into a RGB file by
> doing
> this :
>
> gdal_translate -of GTiff -co "TILES=YES" -b 1 -b 1 -b 1 FILEA.asc FILEB.tif
>
> This will use the source band 1 for the R, G, B components of the output file.
> You may need to use the scaling/translate options of gdal_translate to reduce
> the dynamics to 8 bits.
>
> >
> > I am having trouble converting a single band raster (.asc) when using the
> > GDAL utility gdal_translate (version 1.6)
> >
> > This is the command...
> > gdal_translate -of GTiff -co "TILES=YES" -expand rgb FILEA.asc FILEB.tif
> >
> > I get this message....
> >
> >
> >
> >
> > Error : band 1 has no color table
> >
> > I want to be able to tile this raster using Mapnik - therefore it needs to
> > be
> > a 3 band tiff - Can anyone help with this problem?
> >
> > Thanks in advance
> >
> > Chris
> >
> >
> >
> >
> >
> >
> >
> > _________________________________________________________________
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>
>
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