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https://gitlab.kitware.com/vtk/vtk-m
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c3a3184d51
Sandia National Laboratories recently changed management from the Sandia Corporation to the National Technology & Engineering Solutions of Sandia, LLC (NTESS). The copyright statements need to be updated accordingly.
105 lines
3.8 KiB
C++
105 lines
3.8 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-NA0003525 with NTESS,
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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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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/Tetrahedralize.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/DataSetBuilderExplicit.h>
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#include <vtkm/cont/testing/MakeTestDataSet.h>
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#include <vtkm/cont/testing/Testing.h>
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using vtkm::cont::testing::MakeTestDataSet;
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template <typename DeviceAdapter>
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class TestingTetrahedralize
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{
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public:
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//
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// Create a uniform 3D structured cell set as input
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// Add a field which is the index type which is (i+j+k) % 2 to alternate tetrahedralization pattern
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// Points are all the same, but each hexahedron cell becomes 5 tetrahedral cells
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//
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void TestStructured() const
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{
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std::cout << "Testing TetrahedralizeStructured" << std::endl;
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typedef vtkm::cont::CellSetStructured<3> CellSetType;
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typedef vtkm::cont::CellSetSingleType<> OutCellSetType;
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// Create the input uniform cell set
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vtkm::cont::DataSet dataSet = MakeTestDataSet().Make3DUniformDataSet0();
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CellSetType cellSet;
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dataSet.GetCellSet(0).CopyTo(cellSet);
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// Convert uniform hexahedra to tetrahedra
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vtkm::worklet::Tetrahedralize tetrahedralize;
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OutCellSetType outCellSet = tetrahedralize.Run(cellSet, DeviceAdapter());
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// Create the output dataset with same coordinate system
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vtkm::cont::DataSet outDataSet;
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outDataSet.AddCoordinateSystem(dataSet.GetCoordinateSystem(0));
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outDataSet.AddCellSet(outCellSet);
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VTKM_TEST_ASSERT(test_equal(outCellSet.GetNumberOfCells(), cellSet.GetNumberOfCells() * 5),
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"Wrong result for Tetrahedralize filter");
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}
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//
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// Create an explicit 3D cell set as input and fill
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// Points are all the same, but each cell becomes tetrahedra
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//
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void TestExplicit() const
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{
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std::cout << "Testing TetrahedralizeExplicit" << std::endl;
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typedef vtkm::cont::CellSetExplicit<> CellSetType;
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typedef vtkm::cont::CellSetSingleType<> OutCellSetType;
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// Create the input explicit cell set
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vtkm::cont::DataSet dataSet = MakeTestDataSet().Make3DExplicitDataSet5();
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CellSetType cellSet;
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dataSet.GetCellSet(0).CopyTo(cellSet);
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vtkm::cont::ArrayHandle<vtkm::IdComponent> outCellsPerCell;
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// Convert explicit cells to tetrahedra
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vtkm::worklet::Tetrahedralize tetrahedralize;
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OutCellSetType outCellSet = tetrahedralize.Run(cellSet, DeviceAdapter());
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// Create the output dataset explicit cell set with same coordinate system
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vtkm::cont::DataSet outDataSet;
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outDataSet.AddCoordinateSystem(dataSet.GetCoordinateSystem(0));
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outDataSet.AddCellSet(outCellSet);
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VTKM_TEST_ASSERT(test_equal(outCellSet.GetNumberOfCells(), 11),
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"Wrong result for Tetrahedralize filter");
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}
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void operator()() const
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{
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TestStructured();
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TestExplicit();
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}
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};
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int UnitTestTetrahedralize(int, char* [])
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{
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return vtkm::cont::testing::Testing::Run(
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TestingTetrahedralize<VTKM_DEFAULT_DEVICE_ADAPTER_TAG>());
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}
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