60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
//============================================================================
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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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#ifndef vtk_m_filter_ClipWithField_hxx
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#define vtk_m_filter_ClipWithField_hxx
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#include <vtkm/cont/ArrayHandlePermutation.h>
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#include <vtkm/cont/CellSetPermutation.h>
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/DynamicCellSet.h>
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#include <vtkm/cont/ErrorFilterExecution.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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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet ClipWithField::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMeta,
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vtkm::filter::PolicyBase<DerivedPolicy> policy)
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{
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if (fieldMeta.IsPointField() == false)
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{
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throw vtkm::cont::ErrorFilterExecution("Point field expected.");
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}
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//get the cells and coordinates of the dataset
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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet();
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const vtkm::cont::CoordinateSystem& inputCoords =
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input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex());
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vtkm::cont::CellSetExplicit<> outputCellSet = this->Worklet.Run(
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vtkm::filter::ApplyPolicyCellSet(cells, policy), field, this->ClipValue, this->Invert);
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//create the output data
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vtkm::cont::DataSet output;
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output.SetCellSet(outputCellSet);
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// Compute the new boundary points and add them to the output:
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auto outputCoordsArray = this->Worklet.ProcessPointField(inputCoords.GetData());
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vtkm::cont::CoordinateSystem outputCoords(inputCoords.GetName(), outputCoordsArray);
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output.AddCoordinateSystem(outputCoords);
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return output;
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}
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}
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} // end namespace vtkm::filter
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#endif
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