93 lines
2.9 KiB
C++
93 lines
2.9 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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#ifndef vtk_m_filter_FilterParticleAdvection_h
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#define vtk_m_filter_FilterParticleAdvection_h
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#include <vtkm/Particle.h>
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#include <vtkm/filter/FilterDataSetWithField.h>
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#include <vtkm/filter/particleadvection/BoundsMap.h>
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#include <vtkm/filter/particleadvection/DataSetIntegrator.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 base class for advecting particles in a vector field.
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/// Takes as input a vector field and seed locations and advects the seeds
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/// through the flow field.
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template <class Derived, typename ParticleType>
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class FilterParticleAdvection : public vtkm::filter::FilterDataSetWithField<Derived>
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{
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public:
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using SupportedTypes = vtkm::TypeListFieldVec3;
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VTKM_CONT
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FilterParticleAdvection();
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VTKM_CONT
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void SetStepSize(vtkm::FloatDefault s) { this->StepSize = s; }
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VTKM_CONT
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void SetNumberOfSteps(vtkm::Id n) { this->NumberOfSteps = n; }
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VTKM_CONT
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void SetSeeds(const std::vector<ParticleType>& seeds,
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vtkm::CopyFlag copyFlag = vtkm::CopyFlag::On)
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{
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this->Seeds = vtkm::cont::make_ArrayHandle(seeds, copyFlag);
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}
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VTKM_CONT
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void SetSeeds(vtkm::cont::ArrayHandle<ParticleType>& seeds) { this->Seeds = seeds; }
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VTKM_CONT
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bool GetUseThreadedAlgorithm() { return this->UseThreadedAlgorithm; }
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VTKM_CONT
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void SetUseThreadedAlgorithm(bool val) { this->UseThreadedAlgorithm = val; }
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template <typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet PrepareForExecution(const vtkm::cont::DataSet& input,
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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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template <typename DerivedPolicy>
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VTKM_CONT bool MapFieldOntoOutput(vtkm::cont::DataSet&,
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const vtkm::cont::Field&,
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vtkm::filter::PolicyBase<DerivedPolicy>)
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{
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return false;
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}
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protected:
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VTKM_CONT virtual void ValidateOptions() const;
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VTKM_CONT std::vector<vtkm::filter::particleadvection::DataSetIntegrator>
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CreateDataSetIntegrators(const vtkm::cont::PartitionedDataSet& input,
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const vtkm::filter::particleadvection::BoundsMap& boundsMap) const;
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vtkm::Id NumberOfSteps;
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vtkm::FloatDefault StepSize;
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vtkm::cont::ArrayHandle<ParticleType> Seeds;
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bool UseThreadedAlgorithm;
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private:
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};
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}
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} // namespace vtkm::filter
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#ifndef vtk_m_filter_FilterParticleAdvection_hxx
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#include <vtkm/filter/FilterParticleAdvection.hxx>
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#endif
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#endif // vtk_m_filter_FilterParticleAdvection_h
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