Hi all,
Just for what is worth, I have found that when writing an application, the
filters used in the pipeline have to be members of the application class in
order for their output to be updated by the pipeline.
If a filter (the object) is defined in the DoExecute() method like this:
FilterType filter = FilterType::New();
filter->SetInput(input_image);
SetParameterOutputImage("out", filter->GetOutput());
The application aborts with the following message:
------------------------
Writing /tmp/tt.tif...: 0% [ ]
otbApplicationLauncherCommandLine:
/home/inglada/OTB/ITK/Modules/Core/Common/include/itkImageConstIterator.h:20
8: void itk::ImageConstIterator<TImage>::SetRegion(const RegionType&) [with
TImage = otb::VectorImage<float>; itk::ImageConstIterator<TImage>::RegionType =
itk::ImageRegion<2u>]: Assertion `
Region ImageRegion (0x7fffffffc160)
Dimension: 2
Index: [0, 0]
Size: [1000, 84]
is outside of buffered region ImageRegion (0xa961a0)
Dimension: 2
Index: [0, 0]
Size: [0, 0]
' failed.
Aborted
------------------------
Adding filter->UpdateOutputInformation() does not solve the problem. Only
filter->Update() will solve the issue, but we don't really want to do that, do
we?
If the filter is a member of the application class, all works as expected. This
diff shows an example of this issue:
http://tully.ups-tlse.fr/jordi/phenotb/commit/b14686a65326061a1c0577b79e4b2ef438e830ea
I don't know if this is a bug or a wanted behavior, but if it is the latter,
maybe this should be documented in the relevant section of the Software Guide.
I couldn't find anything about that here
https://www.orfeo-toolbox.org/SoftwareGuide/SoftwareGuidech30.html#x60-41100030.
Jordi
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