Update script for generating 2d mpas data supporting value coloring.
Update script for generating 2d mpas data supporting value coloring.

Added programmable filter to grab out ith tuple from data arrays. Also
added cell to point data filter, because it seems the rgbzview plugin
does not correctly support cell data in all cases.

Kitware/cinema,Kitware/cinema,Kitware/cinema,Kitware/cinema