mirror of
https://gitlab.kitware.com/vtk/vtk-m
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54 lines
1.9 KiB
C++
54 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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#ifndef vtk_m_filter_particle_density_ngp_h
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#define vtk_m_filter_particle_density_ngp_h
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#include <vtkm/filter/FilterField.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 Estimate the density of particles using the Nearest Grid Point method
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// We only need the CoordinateSystem of the input dataset thus a FilterField
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class ParticleDensityNearestGridPoint
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: public vtkm::filter::FilterField<ParticleDensityNearestGridPoint>
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{
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public:
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// ParticleDensity only support turning 2D/3D particle positions into density
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using SupportedTypes = vtkm::TypeListFieldVec3;
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//
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ParticleDensityNearestGridPoint(const vtkm::Id3& dimension,
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const vtkm::Vec3f& origin,
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const vtkm::Vec3f& spacing);
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ParticleDensityNearestGridPoint(const vtkm::Id3& dimension, const vtkm::Bounds& bounds);
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template <typename T, typename StorageType, typename Policy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(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<Policy> policy);
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private:
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vtkm::Id3 Dimension; // Cell dimension
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vtkm::Vec3f Origin;
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vtkm::Vec3f Spacing;
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};
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}
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}
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#include <vtkm/filter/ParticleDensityNearestGridPoint.hxx>
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#endif //vtk_m_filter_particle_density_ngp_h
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