94 lines
2.9 KiB
C++
94 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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#include <vtkm/cont/CellLocatorGeneral.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayHandleCartesianProduct.h>
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#include <vtkm/cont/ArrayHandleUniformPointCoordinates.h>
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#include <vtkm/cont/CellLocatorRectilinearGrid.h>
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#include <vtkm/cont/CellLocatorUniformBins.h>
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#include <vtkm/cont/CellLocatorUniformGrid.h>
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#include <vtkm/cont/CellSetStructured.h>
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namespace
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{
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VTKM_CONT
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void DefaultConfigurator(std::unique_ptr<vtkm::cont::CellLocator>& locator,
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const vtkm::cont::DynamicCellSet& cellSet,
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const vtkm::cont::CoordinateSystem& coords)
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{
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using StructuredCellSet = vtkm::cont::CellSetStructured<3>;
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using UniformCoordinates = vtkm::cont::ArrayHandleUniformPointCoordinates;
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using RectilinearCoordinates =
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vtkm::cont::ArrayHandleCartesianProduct<vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>>;
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if (cellSet.IsType<StructuredCellSet>() && coords.GetData().IsType<UniformCoordinates>())
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{
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if (!dynamic_cast<vtkm::cont::CellLocatorUniformGrid*>(locator.get()))
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{
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locator.reset(new vtkm::cont::CellLocatorUniformGrid);
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}
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}
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else if (cellSet.IsType<StructuredCellSet>() && coords.GetData().IsType<RectilinearCoordinates>())
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{
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if (!dynamic_cast<vtkm::cont::CellLocatorRectilinearGrid*>(locator.get()))
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{
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locator.reset(new vtkm::cont::CellLocatorRectilinearGrid);
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}
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}
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else if (!dynamic_cast<vtkm::cont::CellLocatorUniformBins*>(locator.get()))
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{
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locator.reset(new vtkm::cont::CellLocatorUniformBins);
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}
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locator->SetCellSet(cellSet);
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locator->SetCoordinates(coords);
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}
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} // anonymous namespace
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namespace vtkm
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{
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namespace cont
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{
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VTKM_CONT CellLocatorGeneral::CellLocatorGeneral()
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: Configurator(DefaultConfigurator)
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{
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}
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VTKM_CONT CellLocatorGeneral::~CellLocatorGeneral() = default;
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VTKM_CONT const vtkm::exec::CellLocator* CellLocatorGeneral::PrepareForExecution(
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vtkm::cont::DeviceAdapterId device) const
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{
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if (this->Locator)
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{
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return this->Locator->PrepareForExecution(device);
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}
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return nullptr;
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}
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VTKM_CONT void CellLocatorGeneral::Build()
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{
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this->Configurator(this->Locator, this->GetCellSet(), this->GetCoordinates());
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this->Locator->Update();
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}
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VTKM_CONT void CellLocatorGeneral::ResetToDefaultConfigurator()
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{
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this->SetConfigurator(DefaultConfigurator);
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}
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}
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} // vtkm::cont
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