mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +00:00
98 lines
4.0 KiB
C++
98 lines
4.0 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 2016 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 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/RemoveUnusedPoints.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace
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{
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vtkm::cont::CellSetExplicit<> CreateInputCellSet()
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{
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vtkm::cont::CellSetExplicit<> cellSet("cells");
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cellSet.PrepareToAddCells(2, 7);
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cellSet.AddCell(vtkm::CELL_SHAPE_TRIANGLE, 3, vtkm::make_Vec<vtkm::Id>(0, 2, 4));
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cellSet.AddCell(vtkm::CELL_SHAPE_QUAD, 4, vtkm::make_Vec<vtkm::Id>(4, 2, 6, 8));
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cellSet.CompleteAddingCells(11);
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return cellSet;
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}
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void CheckOutputCellSet(const vtkm::cont::CellSetExplicit<>& cellSet,
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const vtkm::cont::ArrayHandle<vtkm::Float32>& field)
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{
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VTKM_TEST_ASSERT(cellSet.GetNumberOfCells() == 2, "Wrong num cells.");
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VTKM_TEST_ASSERT(cellSet.GetNumberOfPoints() == 5, "Wrong num points.");
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VTKM_TEST_ASSERT(cellSet.GetCellShape(0) == vtkm::CELL_SHAPE_TRIANGLE, "Wrong shape");
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VTKM_TEST_ASSERT(cellSet.GetCellShape(1) == vtkm::CELL_SHAPE_QUAD, "Wrong shape");
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VTKM_TEST_ASSERT(cellSet.GetNumberOfPointsInCell(0) == 3, "Wrong num points");
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VTKM_TEST_ASSERT(cellSet.GetNumberOfPointsInCell(1) == 4, "Wrong num points");
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vtkm::Vec<vtkm::Id, 3> pointIds3;
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cellSet.GetIndices(0, pointIds3);
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VTKM_TEST_ASSERT(pointIds3[0] == 0, "Wrong point id for cell");
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VTKM_TEST_ASSERT(pointIds3[1] == 1, "Wrong point id for cell");
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VTKM_TEST_ASSERT(pointIds3[2] == 2, "Wrong point id for cell");
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vtkm::Vec<vtkm::Id, 4> pointIds4;
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cellSet.GetIndices(1, pointIds4);
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VTKM_TEST_ASSERT(pointIds4[0] == 2, "Wrong point id for cell");
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VTKM_TEST_ASSERT(pointIds4[1] == 1, "Wrong point id for cell");
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VTKM_TEST_ASSERT(pointIds4[2] == 3, "Wrong point id for cell");
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VTKM_TEST_ASSERT(pointIds4[3] == 4, "Wrong point id for cell");
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auto fieldPortal = field.GetPortalConstControl();
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VTKM_TEST_ASSERT(test_equal(fieldPortal.Get(0), TestValue(0, vtkm::Float32())), "Bad field");
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VTKM_TEST_ASSERT(test_equal(fieldPortal.Get(1), TestValue(2, vtkm::Float32())), "Bad field");
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VTKM_TEST_ASSERT(test_equal(fieldPortal.Get(2), TestValue(4, vtkm::Float32())), "Bad field");
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VTKM_TEST_ASSERT(test_equal(fieldPortal.Get(3), TestValue(6, vtkm::Float32())), "Bad field");
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VTKM_TEST_ASSERT(test_equal(fieldPortal.Get(4), TestValue(8, vtkm::Float32())), "Bad field");
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}
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void RunTest()
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{
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using Device = VTKM_DEFAULT_DEVICE_ADAPTER_TAG;
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std::cout << "Creating input" << std::endl;
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vtkm::cont::CellSetExplicit<> inCellSet = CreateInputCellSet();
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vtkm::cont::ArrayHandle<vtkm::Float32> inField;
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inField.Allocate(inCellSet.GetNumberOfPoints());
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SetPortal(inField.GetPortalControl());
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std::cout << "Removing unused points" << std::endl;
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vtkm::worklet::RemoveUnusedPoints compactPoints(inCellSet, Device());
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vtkm::cont::CellSetExplicit<> outCellSet = compactPoints.MapCellSet(inCellSet, Device());
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vtkm::cont::ArrayHandle<vtkm::Float32> outField =
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compactPoints.MapPointFieldDeep(inField, Device());
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std::cout << "Checking resulting cell set" << std::endl;
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CheckOutputCellSet(outCellSet, outField);
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}
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} // anonymous namespace
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int UnitTestRemoveUnusedPoints(int, char* [])
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{
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return vtkm::cont::testing::Testing::Run(RunTest);
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}
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