96 lines
3.4 KiB
C++
96 lines
3.4 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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// 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/Triangulate.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 TestingTriangulate
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{
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public:
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void TestStructured() const
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{
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std::cout << "Testing TriangulateStructured:" << std::endl;
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using CellSetType = vtkm::cont::CellSetStructured<2>;
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using OutCellSetType = vtkm::cont::CellSetSingleType<>;
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// Create the input uniform cell set
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vtkm::cont::DataSet dataSet = MakeTestDataSet().Make2DUniformDataSet1();
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CellSetType cellSet;
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dataSet.GetCellSet(0).CopyTo(cellSet);
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// Convert uniform quadrilaterals to triangles
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vtkm::worklet::Triangulate triangulate;
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OutCellSetType outCellSet = triangulate.Run(cellSet, DeviceAdapter());
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// Create the output dataset and assign the input 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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// Two triangles are created for every quad cell
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VTKM_TEST_ASSERT(test_equal(outCellSet.GetNumberOfCells(), cellSet.GetNumberOfCells() * 2),
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"Wrong result for Triangulate filter");
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}
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void TestExplicit() const
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{
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std::cout << "Testing TriangulateExplicit:" << std::endl;
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using CellSetType = vtkm::cont::CellSetExplicit<>;
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using OutCellSetType = vtkm::cont::CellSetSingleType<>;
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// Create the input uniform cell set
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vtkm::cont::DataSet dataSet = MakeTestDataSet().Make2DExplicitDataSet0();
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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 triangles
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vtkm::worklet::Triangulate triangulate;
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OutCellSetType outCellSet = triangulate.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(), 14),
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"Wrong result for Triangulate 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 UnitTestTriangulate(int, char* [])
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{
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return vtkm::cont::testing::Testing::Run(TestingTriangulate<VTKM_DEFAULT_DEVICE_ADAPTER_TAG>());
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}
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