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Hello,<br>
<br>
We have such a filter in OTB.<br>
You might want to check :<br>
<a class="moz-txt-link-freetext" href="http://hg.orfeo-toolbox.org/OTB/file/94265b241df9/Code/BasicFilters/otbPerBandVectorImageFilter.h">http://hg.orfeo-toolbox.org/OTB/file/94265b241df9/Code/BasicFilters/otbPerBandVectorImageFilter.h</a><br>
<a class="moz-txt-link-freetext" href="http://hg.orfeo-toolbox.org/OTB/file/94265b241df9/Code/BasicFilters/otbPerBandVectorImageFilter.txx">http://hg.orfeo-toolbox.org/OTB/file/94265b241df9/Code/BasicFilters/otbPerBandVectorImageFilter.txx</a><br>
<br>
Julien<br>
<br>
Le 27/04/2011 07:57, Gaëtan Lehmann a écrit :
<blockquote
cite="mid:854EAFEA-8A0C-45DD-BF46-64257F273377@jouy.inra.fr"
type="cite">
<br>
Le 27 avr. 11 à 03:07, David Doria a écrit :
<br>
<br>
<blockquote type="cite">Lately I've needed to run some filters on
a VectorImage. The filters only work on single channel inputs.
To get around this, my process to filter each channel separately
has been:
<br>
<br>
1) Use VectorIndexSelectionCastImageFilter to decompose the
image into its separate channels
<br>
2) In a loop, run a filter on each channel
<br>
3) Use ImageToVectorImageFilter to assemble the output from the
output of the filter on each channel.
<br>
<br>
Is this a reasonable process?
<br>
</blockquote>
<br>
It is.
<br>
<br>
<blockquote type="cite">Is a more automated way to do this?
<br>
<br>
</blockquote>
<br>
Not at this time.
<br>
It's in my plan for a quite long time to make a
ChannelByChannelImageFilter similar to the
SliceBySliceImageFilter, but it is not done yet.
<br>
<br>
Gaëtan
<br>
<br>
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