mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
89fa2c0293
By removing the ability to have multiple CellSets in a DataSet we can simplify the following things: - Cell Fields now don't require a CellSet name when being constructed - Filters don't need to manage what the active cellset is
93 lines
3.2 KiB
C++
93 lines
3.2 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/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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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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using CellSetType = vtkm::cont::CellSetStructured<3>;
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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().Make3DUniformDataSet0();
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CellSetType cellSet;
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dataSet.GetCellSet().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);
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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.SetCellSet(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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using CellSetType = vtkm::cont::CellSetExplicit<>;
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using OutCellSetType = vtkm::cont::CellSetSingleType<>;
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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().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);
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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.SetCellSet(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 argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestingTetrahedralize(), argc, argv);
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}
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