[Paraview] Image Mathematics

Jérôme jerome.velut at gmail.com
Thu Mar 31 10:09:48 EDT 2011


Thanks Utkarsh!
Well, I am ok with calling an input "Input" ;).

Best,
Jerome

2011/3/31 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>:
> I'm not surprised. A lot of code assumes the primary input to be named
> "Input", although midway in  the ParaView development lifespan we
> decided to abondon that notion, yet there may be code that assumes
> that. Feel free to file a bug, but I have a feeling it will be while
> before we attempt to fix this.
>
> Utkarsh
>
> On Thu, Mar 31, 2011 at 4:36 AM, Jérôme <jerome.velut at gmail.com> wrote:
>> Hi again,
>> I found the origin of the pipeline issue: The XML description of the filter
>> must set the name of one input to "Input". The 2-inputs ImageMathematics
>> works well with first input name="Input" rather than name="Input1".
>> Second input name="Input2" does not have to be changed.
>>
>> Should I fill a bug entry for that? Is it a design constraint?
>>
>> Best regards,
>> Jerome
>>
>> 2011/3/29 Jérôme <jerome.velut at gmail.com>:
>>> Dear all,
>>> I am trying to embed the vtkImageMathematics filter in ParaView, but I
>>> have a pipeline issue (attached are the corresponding XML
>>> servermanagers).
>>> For "one input" operations (add K, invert, sin, cos,...) everything
>>> works well. But for "two inputs" operations (Add, Multiply, Min,
>>> Max,...) the pipeline browser does not show the connections between
>>> the input images and the ImageMathematics filter. Note that updating
>>> the pipeline produces the right output! The only problem is that I
>>> cannot right-click and choose "change input". Another consequence is
>>> that a python-scripted state is not able to rebuild the pipeline.
>>>
>>> FYI, I already developed a two-image-inputs filter (image convolution
>>> with a kernel represented by another vtkImageData:
>>> http://github.com/jeromevelut/vtkKinship) for which this issue doesn't
>>> occur. Could it be the way the input informations are provided at the
>>> VTK side of the filter ?
>>>
>>> Thanks a lot,
>>> Jerome
>>>
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