I'm trying to write a script to save the results of
plotSelectionOverTime. So far no success. I'm using the Trace
functionality to keep track of the necessary steps. I use Paraview 5.2.0
64 bit on Fedora 25.
What I have is a data set representing the temperature field in a 2D
domain. I use the calculator and integrateVariables to estimate the
thermal energy with respect to a reference temperature. Then I use
plotSelectionOverTime to plot the result. In the GUI it works well, but
the generated trace contains all functions related with the creation of
the different windows. Removing these, I kept what I think are the
relevant parts for the script:
from paraview.simple import *
solutionpvd = PVDReader(FileName='/my/path/solution.pvd')
calculator1 = Calculator(Input=solutionpvd)
calculator1.AttributeMode = 'Point Data'
calculator1.ResultArrayName = 'Energy (MJ/m)'
calculator1.Function = 'volumetric_heat_capacity*(temperature-10)/1E6'
integrateVariables1 = IntegrateVariables(Input=calculator1)
plotSelectionOverTime1 = PlotSelectionOverTime(Input=integrateVariables1,
OnlyReportSelectionStatistics=1,
Selection=None)
SaveData('/my/path/output_data.csv', proxy=plotSelectionOverTime1,
Precision=5,
UseScientificNotation=0,
WriteAllTimeSteps=0)
I execute the script like this:
pvpython my_script.py
However, nothing is generated and no error message is printed either. If
I save the data from integrate variables:
from paraview.simple import *
solutionpvd = PVDReader(FileName='/my/path/solution.pvd')
calculator1 = Calculator(Input=solutionpvd)
calculator1.AttributeMode = 'Point Data'
calculator1.ResultArrayName = 'Energy (MJ/m)'
calculator1.Function = 'volumetric_heat_capacity*(temperature-10)/1E6'
integrateVariables1 = IntegrateVariables(Input=calculator1)
SaveData('/my/path/output_data.csv', proxy= integrateVariables1,
Precision=5,
UseScientificNotation=0,
WriteAllTimeSteps=0)
I can save the data corresponding to the first time step. If I set
WriteAllTimeSteps=1, then I produce all timesteps in different files
which is not useful either since the number of timesteps are too many.
So, my question is, how can I save the output from plotSelectionOverTime
OR save the data from integrateVariables for all timesteps in the same file.
Regards
Javier
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