[vtkusers] Specifying cells with names

[Brett Tully]

Dear all,

We run a numerical simulation platform and are investigating the
possibility of switching to VTK as our primary file format. One of the
things we need to be able to do is identify cells of PolyData (specifically
lines in 2D, or polys in 3d) by name. For instance, if we have a 2D
simulation shaped like a box -- we would like to be able to label one of
the boundaries 'inlet' and another 'outlet'. I have spent quite a bit of
time looking around the web without luck -- can anyone here point me in a
direction for more information? (I am currently trying to track down a copy
of the VTK User's Guide).

One of the ideas we have talked about is having a separate file for each
boundary, but this seems like a bit of a hack.

Regards,
Brett.
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