Method ComputeCustomMetric

Common/DataModel/vtkReebGraph.cxx:1231–1266

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//------------------------------------------------------------------------------
double vtkReebGraph::Implementation::ComputeCustomMetric(
  vtkReebGraphSimplificationMetric* simplificationMetric, vtkReebArc* a)
{
  int edgeId = -1, start = -1, end = -1;

  vtkDataArray* vertexInfo =
    vtkArrayDownCast<vtkDataArray>(this->Parent->GetVertexData()->GetAbstractArray("Vertex Ids"));
  if (!vertexInfo)
    return vtkReebGraphGetArcPersistence(this, a);

  vtkVariantArray* edgeInfo =
    vtkArrayDownCast<vtkVariantArray>(this->Parent->GetEdgeData()->GetAbstractArray("Vertex Ids"));
  if (!edgeInfo)
    return vtkReebGraphGetArcPersistence(this, a);

  vtkEdgeListIterator* eIt = vtkEdgeListIterator::New();
  this->Parent->GetEdges(eIt);

  do
  {
    vtkEdgeType e = eIt->Next();
    if (((*(vertexInfo->GetTuple(e.Source))) == GetNodeVertexId(a->NodeId0)) &&
      ((*(vertexInfo->GetTuple(e.Target))) == GetNodeVertexId(a->NodeId1)))
    {
      edgeId = e.Id;
      start = static_cast<int>(*(vertexInfo->GetTuple(e.Source)));
      end = static_cast<int>(*(vertexInfo->GetTuple(e.Target)));
      break;
    }
  } while (eIt->HasNext());
  eIt->Delete();

  vtkAbstractArray* vertexList = edgeInfo->GetPointer(edgeId)->ToArray();

  return simplificationMetric->ComputeMetric(inputMesh, inputScalarField, start, vertexList, end);
}

//------------------------------------------------------------------------------
int vtkReebGraph::Implementation::SimplifyBranches(