[vtkusers] VTK too slow

[sarah damiani]

VTK Users:

I am trying to represent a 3D grid of cellular automata as spherical glyphs, 
but the visualization runs very slowly (I am writing the scripts in Tcl). As 
I have it written, each different colored set of spheres requires its own 
unstructured grid reader, glyphpoints, and other necessary objects. Is there 
a more efficient way to represent the data, or read in the data as different 
colors, so that my program will run faster? Thanks in advance

SD
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