[vtkusers] preclassify volume

[Miguel Angel Martin Fernandez]

Is there a class in vtk to build a preclassified volume based upon the
scalar value and/or the position of the voxels?






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  \········(_   Miguel Ángel Martín Fernández                      _)········/
   \·······(_   ETSI Telecomunicación, Universidad de Valladolid   _)·······/
    \······(_   Campus Miguel Delibes, Camino del Cementerio, s/n  _)······/
     )·····(_   e-mail: miguel at atenea.tel.uva.es                   _)·····(
    /······(_   Tfno: +34-983-423000 Ext. 25548                    _)······\
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