Method InterpolateMidpointData

IO/NetCDF/vtkSLACReader.cxx:1700–1726

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//------------------------------------------------------------------------------
int vtkSLACReader::InterpolateMidpointData(
  vtkMultiBlockDataSet* output, vtkSLACReader::MidpointIdMap& map)
{
  // Get the point information from the output data (where it was placed
  // earlier).
  vtkPoints* points =
    vtkPoints::SafeDownCast(output->GetInformation()->Get(vtkSLACReader::POINTS()));
  vtkPointData* pd =
    vtkPointData::SafeDownCast(output->GetInformation()->Get(vtkSLACReader::POINT_DATA()));
  if (!pd)
  {
    vtkWarningMacro(<< "Missing point data.");
    return 0;
  }

  // Set up the point data for adding new points and interpolating their values.
  pd->InterpolateAllocate(pd, points->GetNumberOfPoints());

  EdgeEndpoints edge;
  vtkIdType midpoint;
  for (map.InitTraversal(); map.GetNextMidpoint(edge, midpoint);)
  {
    pd->InterpolateEdge(pd, midpoint, edge.GetMinEndPoint(), edge.GetMaxEndPoint(), 0.5);
  }

  return 1;
}

//------------------------------------------------------------------------------
int vtkSLACReader::MeshUpToDate()