[Paraview] Cataylst pipeline not updating

[Andy Bauer]

Hi Tim,

Try adding in the current time to the UpdatePipeline() calls, e.g.
*.UpdatePipeline(datadescription.GetCurrentTime())

It's tough to tell with RequestDataDescription() missing but I assume that
DoCoProcessing() is getting called when you want, correct?

Let me know if that doesn't solve the problem.

Best,
Andy

On Mon, Feb 13, 2017 at 5:45 AM, Gallagher, Timothy P <
tim.gallagher at gatech.edu> wrote:

> Back with another question!
>
>
> I have a pipeline that has 1 input and 4 outputs. The simplest is a
> IntegrateVariables filter hooked up to the input. Another branch of the
> pipeline goes through several PythonCalculator filters and a
> CellDataToPointData filter and then arrives at the three outputs:
>
>
> 1. The CD2PD filter is connected to a Contour filter with a single level,
> X. This is then connected to an IntegrateVariables filter (used to compute
> the area of the Contour) and a Writer.
>
> 2. The CD2PD filter is also connected to another Contour filter with a
> single level Y. This is connected to an IntegrateVariables and Writer just
> as in 1.
>
> 3. The CD2PD filter is sliced two times with each slice in a different
> render view to save images.
>
>
> I have the coprocessor running every delta_t seconds. The initial
> IntegrateVariables filter is updated with UpdatePipeline and then the
> values are saved to disk. This works every step, no issues.
>
>
> I then call UpdatePipeline on both of the Contour and both of the
> IntegrateVariables filters in 1 and 2. I check if the 'Area' field in the
> IntegrateVariables exceeds a threshold, and if it does, I save the
> Contour's to disk as a VTK file. This is not working correctly.
>
>
> If I start the simulation from a point where the Contour's exist in the
> flow already, then everything works great and the Area field changes in
> time and it saves the Contour's.
>
>
> However, if the simulation starts without the Contours already in the
> flow, the Area fields stay zero forever. It's as if the pipeline isn't
> updating or something. I have attached the DoCoProcessing function used. I
> don't see anything immediately obvious that would prevent it from updating
> or getting the correct values for the Area.
>
>
> Am I missing something about how the pipeline or contour filters update?
>
>
> Thanks,
>
>
> Tim
>
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