Hi,

IMHO there is no way to do this for now without Splitting and concatenating
bands. During last OTB user days, Guillaume and I started to work on a new
extended filename mechanism:

https://www.orfeo-toolbox.org/SoftwareGuide/SoftwareGuidech6.html#x27-880006.10

 to be able to select bands or intervals on bands in the, something like
otbcli_ExtractROI -in "input.tif?&bands=1:12,15,20,22" (to select bands 1
to 12 and 15,20 and 22).

This work is not completed yet, see feature branch "extended_branch":

https://github.com/orfeotoolbox/OTB/tree/extended_band

Hope to be able to finish this in a near future.

Regards,

Manuel




2016-11-25 17:51 GMT+01:00 <pclastre.123...@gmail.com>:

> Hi,
>
> I'm trying to create several classifications for a multibands-multidates
> concatenated image.
>
> For instance, i want to first classify with all bands (for each date), and
> then try some alternate combination (eliminate one band for each date)
>
> Concatenating 6 bands for 15 dates is a quite long  process, so i wonder
> if there is a way to indicate to the classifier that it should ignore some
> bands in the concatenated image ,
> to avoid different bands combination and thus different image (storage
> garbage ...)
> Something like the "-feat " argument of the TrainVectorClassifier but used
> to force the list of valuable bands in the input image
>
> Thanks
>
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-- 
Manuel Grizonnet

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