[Paraview] can vtkImplicitPlaneWidget be used in an XML-only paraview plug-in?

[Utkarsh Ayachit]

Can you post the current XML for the filter? I think I can update that
to add logic for the widget.

Utkarsh

On Wed, Aug 14, 2013 at 10:26 AM, Dr. Roman Grothausmann
<grothausmann.roman at mh-hannover.de> wrote:
> Dear mailing list members,
>
>
> I managed to write c++ vtk-program that uses
> vtkImplicitFunctionToImageStencil to "clip" image data. However one needs to
> copy past the origin and normal coordinates of e.g. a clipping plane in
> paraview to the cli command. Therefore I'd like to integrate this as a
> plugin into paraview using the vtkImplicitPlaneWidget as a direct
> interaction method.
> Now, I wonder if there is a way to write an XML-only paraview plug-in that
> uses e.g. a vtkImplicitPlaneWidget as input to a chain of vtk-filters? I.e.
> would it be possible to write an XML-plug-in that would give the same
> functionality as the paraview clip-filter or would it have to be a c++ based
> plugin?
> It seems there is no plug-in in the paraview XML-plugin list that uses a
> vtkImplicitPlaneWidget nor could I find any instruction on that in the
> plugin howto.
>
> Any help or hints are very much appreciated
> Roman
>
>
> On 13/08/13 13:33, Dr. Roman Grothausmann wrote:
>>
>> Dear mailing list members,
>>
>>
>> Is there a better way (taking less render time) to clip a voxel dataset
>> along an
>> arbitrarily oriented plane in paraview than using the clip-filter? It
>> works find
>> as long as no volume rendering is chosen as the displaying method but when
>> I
>> change to volume rendering it takes more than a day what before took only
>> a minute.
>> My guess is, that the change of the type of the dataset caused by the
>> clip-filter (output is unstructured grid) is not as efficiently rendered
>> as
>> vtkImage. For my purpose it would be sufficient to not clip intersected
>> voxel
>> themselves, just not to render those on one side of the clipping plane.
>> Is there any way to achieve that with existing paraview or vtk-filters?
>> If not should I use vtkImplicitFunctionToImageStencil in a plugin to
>> create a
>> mask image from an interactive plane-widget and then render e.g. black
>> transparent?
>>
>> Any help or hints are very much appreciated
>> Roman
>>
>
> --
> Dr. Roman Grothausmann
>
> Tomographie und Digitale Bildverarbeitung
> Tomography and Digital Image Analysis
>
> Institut für Funktionelle und Angewandte Anatomie, OE 4120
> Medizinische Hochschule Hannover
> Carl-Neuberg-Str. 1
> D-30625 Hannover
>
> Tel. +49 511 532-9574
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