[Gdal-dev] problem of gdal_translate 1.1.9 and 1.2.1 with multiplebands

Xiaodong Zhang zhang at aero.und.edu
Wed Jul 28 11:05:38 EDT 2004


Hi Frank,

I'm absolutely positive that 1.1.8 can use -b 1,2,3,4. This is how we have 
been using it for the past 1.5 years.

Xiaodong

-- 
Xiaodong Zhang, Ph.D.
Assistant Professor
Earth System Science and Policy Program
University of North Dakota
Grand Fors, ND 58202-9007
(701)777-6087


Quoting Frank Warmerdam <warmerdam at pobox.com>:

> Xiaodong Zhang wrote:
> > Thanks Frank,
> > 
> > Yes you are right, I have to use gdal_translate -b 1 -b 2 -b 3 ... to
> spectrally
> > subset an image, but it only works for version 1.2.1 but not for 1.1.9.
> Version
> > 1.1.9 produces only one band regardless. Both ways of sending '-b'
> arguments,
> > i.e., -b 1,2,3,4 or -b 1 -b 2 -b 3 -b 3, work for earlier version, 1.1.8.
> 
> Hi,
> 
> Are you sure the -b stuff is working in 1.1.8?  It might just be ignoring it
> and
> copying all bands.
> 
> > On aother note, are there any significant changes for versions later than
> 1.1.8.
> > In another email, I reported that our program using gdal api crashes for
> both
> > version 1.1.9 and 1.2.1, while it works perfectly for version 1.1.8.
> 
> Well, there have been lots of changes - significant and otherwise since
> 1.1.8.
> I think you will need to debug your problem or provide something simple I
> can
> use to reproduce your problem if you would like help with it.  I can't
> imagine
> there is any fundamental reason you can't use 1.2.1.
> 
> Best regards,
> -- 
> ---------------------------------------+-------------------------------------
-
> 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    | Geospatial Programmer for Rent
> 





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