mirror of
https://gitlab.kitware.com/vtk/vtk-m
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dd7c17f776
This commit adds a worklet and a filter to compute signed integral measures of cells. It also begins the practic of adding a markdown changelog entry in `doc/changelog`. See the changelog entry for details.
71 lines
2.5 KiB
C++
71 lines
2.5 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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// 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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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_filter_CellMeasures_h
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#define vtk_m_filter_CellMeasures_h
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#include "vtkm/filter/FilterCell.h"
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#include "vtkm/worklet/CellMeasure.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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/// \brief Compute the measure of each (3D) cell in a dataset.
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///
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/// CellMeasures is a filter that generates a new cell data array (i.e., one value
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/// specified per cell) holding the signed measure of the cell
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/// or 0 (if measure is not well defined or the cell type is unsupported).
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///
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/// By default, the new cell-data array is named "measure".
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template <typename IntegrationType>
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class CellMeasures : public vtkm::filter::FilterCell<CellMeasures<IntegrationType>>
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{
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public:
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VTKM_CONT
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CellMeasures();
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/// Set/Get the name of the cell measure field. If empty, "measure" is used.
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void SetCellMeasureName(const std::string& name) { this->SetOutputFieldName(name); }
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const std::string& GetCellMeasureName() const { return this->GetOutputFieldName(); }
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template <typename T, typename StorageType, typename DerivedPolicy, typename DeviceAdapter>
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VTKM_CONT vtkm::cont::DataSet 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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const DeviceAdapter& tag);
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};
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template <typename IntegrationType>
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class FilterTraits<CellMeasures<IntegrationType>>
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{
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public:
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using InputFieldTypeList = vtkm::TypeListTagFieldVec3;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/CellMeasures.hxx>
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#endif // vtk_m_filter_CellMeasures_h
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