[Paraview] Animating a function of a field

[Aleksejs Fomins]

Dear Cory,

It seems to work quite nicely. Thank you!!!

Best regards,
Aleksejs

On 05.01.2017 05:59, Cory Quammen wrote:
> Aleksejs,
>
> The following should work:
>
> * add a Programmable Filter to the source that produces the
> unstructured grid with f and g. Set the Script property to
>
> data = self.GetOutput()
> data.ShallowCopy(self.GetInput())
>
> and the RequestInformation Script to
>
> timeSteps = range(100)
> outInfo = self.GetOutputInformation(0)
>
> timeRange = [timeSteps[0], timeSteps[-1]]
> outInfo.Set(vtk.vtkStreamingDemandDrivenPipeline.TIME_RANGE(), timeRange, 2)
> outInfo.Set(vtk.vtkStreamingDemandDrivenPipeline.TIME_STEPS(),
> timeSteps, len(timeSteps))
>
> You can change timeSteps to whatever values you want the time variable
> to take on.
>
> * Add a Python Calculator to the Programmable Filter, and set the expression to
>
> f * sin(t_value) + g * cos(t_value)
>
> Optionally change the "Array Name" property to "h". You can then
> visualize the h field however you wish.
>
> Hope that helps,
> Cory
>
> On Tue, Jan 3, 2017 at 10:13 AM, Aleksejs Fomins
> <aleksejs.fomins at lspr.swiss> wrote:
>> Dear Paraview,
>>
>> I have a 3d unstructured mesh with two fields defined over it - f(x,y,z) and g(x,y,z)
>> I want to create a movie of a following function
>>
>> h(t) = f * sin(t) + g * cos(t)
>>
>> where t is time. How would you do it?
>>
>> Best regards,
>> Aleksejs Fomins
>>
>> PhD Student in Nanophotonics, EPF Lausanne, Switzerland
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