mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +00:00
70 lines
2.7 KiB
C++
70 lines
2.7 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 Sandia Corporation.
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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-AC04-94AL85000 with Sandia Corporation,
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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 vtkm_m_worklet_KdTree3D_h
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#define vtkm_m_worklet_KdTree3D_h
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#include <vtkm/worklet/spatialstructure/KdTree3DConstruction.h>
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#include <vtkm/worklet/spatialstructure/KdTree3DNNSearch.h>
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namespace vtkm
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{
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namespace worklet
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{
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class KdTree3D
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{
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public:
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KdTree3D() {}
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// Execute the 3d kd tree construction given x y z coordinate vectors
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// Returns:
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// Leaf Node vector and internal node (split) vectpr
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template <typename CoordiType, typename TreeIdType, typename DeviceAdapter>
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void Run(vtkm::cont::ArrayHandle<vtkm::Vec<CoordiType, 3>>& coordi_Handle,
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vtkm::cont::ArrayHandle<TreeIdType>& pointId_Handle,
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vtkm::cont::ArrayHandle<TreeIdType>& splitId_Handle,
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DeviceAdapter device)
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{
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vtkm::worklet::spatialstructure::KdTree3DConstruction kdtree3DConstruction;
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kdtree3DConstruction.Run(coordi_Handle, pointId_Handle, splitId_Handle, device);
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}
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// Execute the Neaseat Neighbor Search given kdtree and search points
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// Returns:
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// Vectors of NN point index and NNpoint distance
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template <typename CoordiType, typename TreeIdType, typename DeviceAdapter>
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void Run(vtkm::cont::ArrayHandle<vtkm::Vec<CoordiType, 3>>& coordi_Handle,
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vtkm::cont::ArrayHandle<TreeIdType>& pointId_Handle,
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vtkm::cont::ArrayHandle<TreeIdType>& splitId_Handle,
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vtkm::cont::ArrayHandle<vtkm::Vec<CoordiType, 3>>& qc_Handle,
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vtkm::cont::ArrayHandle<TreeIdType>& nnId_Handle,
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vtkm::cont::ArrayHandle<CoordiType>& nnDis_Handle,
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DeviceAdapter device)
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{
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vtkm::worklet::spatialstructure::KdTree3DNNSearch kdtree3DNNS;
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kdtree3DNNS.Run(
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coordi_Handle, pointId_Handle, splitId_Handle, qc_Handle, nnId_Handle, nnDis_Handle, device);
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}
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};
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}
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} // namespace vtkm::worklet
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#endif // vtkm_m_worklet_Kdtree3D_h
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