[Paraview] Can ParaView create "envelope" or cumulative maximums?

[Scott, W Alan]

I have a user that needs to create a new array, with each cell in the array holding the maximum value of each cell over all time.  I have heard this called a cumulative maximum for all cells.  The then wants to paint his 3d object with this new array.  For instance, if you have a variable array (maybe von mises stress), three cells and four timesteps, as follows:


Three cells:
0.0     0.0     0.0    (Timestep 0)
1.0     0.0     0.0    (Timestep 1)
2.0     1.0     0.0    (Timestep 2)
1.0     3.0     1.0    (Timestep 3)

Results, to be used to paint the object in a 3d view:
2.0     3.0     1.0    (Result)


Does anyone know how to do this?  My user feels comfortable with Python and the Programmable filter/ Python Calculator.

Thanks,

Alan

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