Function UpdatePointUses

Filters/Modeling/vtkContourLoopExtraction.cxx:237–240

Helper function to in place update point numbering

// Helper function to in place update point numbering
void UpdatePointUses(vtkCellArray* ca, vtkIdType numConn, PointMap& ptMap)
{
  ca->Dispatch(UpdateUses{}, numConn, ptMap);
}

// Discard unused points; renumber output polylines and polygons.
// Performs this operation in place.