[Paraview] sum of a variable over all cells of one timestep

[Utkarsh Ayachit]

> I am trying to find the sum of a variable for all cells at one timestep.

Try using the Python calculator. Make sure you set the "Array
Association" to "Cell Data" and then enter the expression sum(ARRAY).
Example for can.ex2, I can do "sum(EQPS)".