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Created by Kitware Robot@kwrobotOwner

stream tracer for multiblock requires same ordering of point data

This issue was created automatically from an original Mantis Issue. Further discussion may take place here.

The stream tracer filter when used with multiblock data sets requires that the vector is in the same index location of the point data of all leaf nodes of the multiblock. This shouldn't be the case as it should only use the name of the point data field to access the vector field used to do the trace with. To reproduce the problem:

  1. create a wavelet source
  2. create a clip filter
  3. create a calculator filter from the clip filter (use iHat as the input)
  4. create an elevation filter from the wavelet source
  5. create a calculator filter from the elevation filter (again can use iHat as the input)
  6. create a group data sets filter using the both calculator filters as inputs
  7. create a stream tracer filter

This will cause an error or crash with the following message: ERROR: In /home/acbauer/CODE/ParaView/ParaView/VTK/Common/Core/vtkDataArray.cxx, line 302 vtkDoubleArray (0x9ff5540): Cannot InterpolateValue from array of type float

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