mirror of
https://gitlab.kitware.com/vtk/vtk-m
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83 lines
2.4 KiB
C++
83 lines
2.4 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_exec_CellLocatorPartitioned_h
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#define vtk_m_exec_CellLocatorPartitioned_h
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#include <vtkm/Types.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/CellLocatorGeneral.h>
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namespace vtkm
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{
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namespace exec
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{
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class VTKM_ALWAYS_EXPORT CellLocatorPartitioned
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{
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private:
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vtkm::cont::ArrayHandle<vtkm::cont::CellLocatorGeneral::ExecObjType>::ReadPortalType Locators;
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vtkm::cont::ArrayHandle<
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vtkm::cont::ArrayHandleStride<vtkm::UInt8>::ReadPortalType>::ReadPortalType Ghosts;
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public:
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VTKM_CONT CellLocatorPartitioned() = default;
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VTKM_CONT CellLocatorPartitioned(
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const vtkm::cont::ArrayHandle<vtkm::cont::CellLocatorGeneral::ExecObjType>::ReadPortalType&
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locators,
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vtkm::cont::ArrayHandle<
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vtkm::cont::ArrayHandleStride<vtkm::UInt8>::ReadPortalType>::ReadPortalType ghosts)
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: Locators(locators)
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, Ghosts(ghosts)
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{
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}
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VTKM_EXEC
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vtkm::ErrorCode FindCell(const vtkm::Vec3f& point,
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vtkm::Id& partitionId,
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vtkm::Id& cellId,
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vtkm::Vec3f& parametric) const
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{
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bool found = 0;
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for (vtkm::Id partitionIndex = 0; partitionIndex < this->Locators.GetNumberOfValues();
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++partitionIndex)
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{
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vtkm::Id cellIndex;
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vtkm ::Vec3f parametricLocal;
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vtkm ::ErrorCode status =
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Locators.Get(partitionIndex).FindCell(point, cellIndex, parametricLocal);
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if (status != vtkm ::ErrorCode ::Success)
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{
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}
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else
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{
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if (Ghosts.Get(partitionIndex).Get(cellIndex) == 0)
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{
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partitionId = partitionIndex;
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cellId = cellIndex;
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parametric = parametricLocal;
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found = true;
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break;
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}
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}
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}
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if (found)
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{
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return vtkm::ErrorCode::Success;
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}
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else
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{
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return vtkm::ErrorCode::CellNotFound;
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}
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}
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};
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} //namespace exec
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} //namespace vtkm
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#endif //vtk_m_exec_CellLocatorPartitioned_h
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