[Paraview] Problem after updating from Paraview 3.8.1 to Paraview 3.12

[David E DeMarle]

Can one of you report this on the bug tracker? Ideally with example
code that replicates the problem. There were a handful of changes to
VTK/Filtering/vtkStreamingDemandDrivenPipeline that could have caused
this.

If the problem is on the bug tracker we are less likely to loose it.

David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909



2011/11/15 Jorge Gerardo Peña Pastor <jorge.pena.pastor at gmail.com>:
> Hello,
>
> I've managed to run a Paraview based application created with Paraview
> 3.8.1 using Paraview 3.12, but one of my filters is reporting an error
> it didn't before.
>
> My vtkAlgorithm is a sub-class of vtkImageAlgorithm, which as a result
> of processing the input data generates a new vtkImageData which is
> smaller than the original one.
> Before, I managed to use that filter in my application, but now I get
> the following error:
> ERROR: src/ParaView-3.12.0/VTK/Filtering/vtkStreamingDemandDrivenPipeline.cxx,
> line 1009
> vtkPVCompositeDataPipeline (0x4c3dca0): The update extent specified in
> the information for output port 0 on algorithm
> vtkConnectedThresholdImageFilter(0x4c3c8d0) is 0 698 0 535 0 114,
> which is outside the whole extent 408 421 86 106 0 1.
>
> Inside my RequestData I've tried changing all possible combinations of
> whole extent, update extent and extent for both output and
> outputInformation without success.
>
> I've found several threads talking about changing
> StreamDrivenPipeline::WHOLE_EXTENT inside RequestUpdateExtent, but in
> order to change the value there I need to execute before at least one
> time my algorithm because the extent depends on the result of the
> algorithm.
>
> Could someone point me in the right direction to make this work with
> Paraview 3.12?
>
> Thank you for your help.
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