[GRASS-user] Export of GeoTIFF

[Frank Warmerdam]

Hamish wrote:
> Michael Barton wrote:
> 
>> r.out.gdal also can create a world file.
>>
>> Again, quoting from the manual, this time for r.out.gdal...
>>
>> When writing out GeoTIFF format for users of ESRI software or ImageMagick,
>> the band interleaving should be switched to pixel interleaving using
>> createopt="INTERLEAVE=PIXEL". Multiple options have to be specified as comma
>> separated list (createopt=TFW=YES,COMPRESS=DEFLATE).
> 
> r.out.gdal (.c) help page now updated in 6.3CVS to expand on that a little and
> add a ESRI-compatible GeoTIFF example.   ... now if someone who uses ArcGIS 9
> could please test to see if the example works & report back? :)
> 
> Is deflate compression ok for all versions of Arc? We might add that to the
> example. (I assume versions of Arc which have come out since the LZW patent
> expired allow that, but we might as well keep the example compatible with)
> 
> How about r.out.gdal export to binary AAIGrid format? Is that usable+useful?

Folks,

I would add that after years of struggling against packages that don't
support pixel interleaved TIFF files, I have finally given in and changed
GDAL to produce those by default.  Also, new versions of ArcGIS should support
pixel interleaved files (starting at 9.2 or 9.3?) I believe.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo, http://osgeo.org