89fa2c0293
By removing the ability to have multiple CellSets in a DataSet we can simplify the following things: - Cell Fields now don't require a CellSet name when being constructed - Filters don't need to manage what the active cellset is
59 lines
1.9 KiB
C++
59 lines
1.9 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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#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 IntegrationType>
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inline VTKM_CONT CellMeasures<IntegrationType>::CellMeasures()
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: vtkm::filter::FilterCell<CellMeasures<IntegrationType>>()
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{
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this->SetUseCoordinateSystemAsField(true);
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}
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//-----------------------------------------------------------------------------
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template <typename IntegrationType>
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet CellMeasures<IntegrationType>::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& points,
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const vtkm::filter::FieldMetadata& fieldMeta,
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const 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("CellMeasures expects point field input.");
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}
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const auto& cellset = input.GetCellSet();
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vtkm::cont::ArrayHandle<T> outArray;
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this->Invoke(vtkm::worklet::CellMeasure<IntegrationType>{},
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vtkm::filter::ApplyPolicy(cellset, policy),
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points,
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outArray);
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std::string outputName = this->GetCellMeasureName();
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if (outputName.empty())
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{
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// Default name is name of input.
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outputName = "measure";
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}
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return CreateResultFieldCell(input, outArray, outputName);
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}
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}
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} // namespace vtkm::filter
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