OTB does not just follow your desires, it is way ahead already !

>From [1] : The application TrainVectorClassifiers now supports several files 
>in input (and for validation).

[1] 
http://wiki.orfeo-toolbox.org/index.php/Request_for_Changes-58:_Sampling_on_multiple_images

-----Message d'origine-----
De : [email protected] [mailto:[email protected]] De la part 
de Jordi Inglada
Envoyé : lundi 12 septembre 2016 16:58
À : otb-users
Objet : [otb-users] TrainVectorClassifier does not accept a file list

Hi,

We are happily using the new classification framework and have found a small 
thing which could be improved. The old TrainImagesClassifier accepted a list of 
images and a list of vector files as input for the training. However, the new 
TrainVectorClassifier only accepts a single file instead of a list of files for 
the samples.

It is not hard to merge several vector files before performing the training, 
but this generates a temporary file which can sometimes be very large (about 
18GB in our case). 

What do you think about updating the application to deal with lists of files?

Thank you.

Jordi

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