mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#define vtkm_filter_ExternalFaces_cxx
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#include <vtkm/filter/ExternalFaces.h>
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namespace vtkm
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{
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namespace filter
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{
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//-----------------------------------------------------------------------------
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ExternalFaces::ExternalFaces()
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: vtkm::filter::FilterDataSet<ExternalFaces>()
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, CompactPoints(false)
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, Worklet()
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{
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this->SetPassPolyData(true);
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}
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//-----------------------------------------------------------------------------
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vtkm::cont::DataSet ExternalFaces::GenerateOutput(const vtkm::cont::DataSet& input,
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vtkm::cont::CellSetExplicit<>& outCellSet)
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{
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//This section of ExternalFaces is independent of any input so we can build it
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//into the vtkm_filter library
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//3. Check the fields of the dataset to see what kinds of fields are present so
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// we can free the cell mapping array if it won't be needed.
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const vtkm::Id numFields = input.GetNumberOfFields();
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bool hasCellFields = false;
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for (vtkm::Id fieldIdx = 0; fieldIdx < numFields && !hasCellFields; ++fieldIdx)
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{
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auto f = input.GetField(fieldIdx);
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hasCellFields = f.IsFieldCell();
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}
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if (!hasCellFields)
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{
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this->Worklet.ReleaseCellMapArrays();
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}
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//4. create the output dataset
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vtkm::cont::DataSet output;
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output.SetCellSet(outCellSet);
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output.AddCoordinateSystem(input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex()));
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if (this->CompactPoints)
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{
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this->Compactor.SetCompactPointFields(true);
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this->Compactor.SetMergePoints(false);
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return this->Compactor.Execute(output, PolicyDefault{});
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}
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else
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{
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return output;
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}
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}
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//-----------------------------------------------------------------------------
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VTKM_FILTER_INSTANTIATE_EXECUTE_METHOD(ExternalFaces);
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}
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}
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