mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
83 lines
2.6 KiB
C++
83 lines
2.6 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/filter/Gradient.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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namespace
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{
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void TestCellGradientExplicit()
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{
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std::cout << "Testing Gradient Filter with cell output on Explicit data" << std::endl;
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vtkm::cont::testing::MakeTestDataSet testDataSet;
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vtkm::cont::DataSet dataSet = testDataSet.Make3DExplicitDataSet0();
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vtkm::filter::Gradient gradient;
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gradient.SetOutputFieldName("gradient");
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gradient.SetActiveField("pointvar");
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vtkm::cont::DataSet result = gradient.Execute(dataSet);
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VTKM_TEST_ASSERT(result.HasCellField("gradient"), "Result field missing.");
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vtkm::cont::ArrayHandle<vtkm::Vec3f_32> resultArrayHandle;
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result.GetCellField("gradient").GetData().CopyTo(resultArrayHandle);
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vtkm::Vec3f_32 expected[2] = { { 10.f, 10.1f, 0.0f }, { 10.f, 10.1f, -0.0f } };
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for (int i = 0; i < 2; ++i)
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{
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VTKM_TEST_ASSERT(test_equal(resultArrayHandle.ReadPortal().Get(i), expected[i]),
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"Wrong result for CellGradient filter on 3D explicit data");
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}
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}
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void TestPointGradientExplicit()
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{
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std::cout << "Testing Gradient Filter with point output on Explicit data" << std::endl;
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vtkm::cont::testing::MakeTestDataSet testDataSet;
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vtkm::cont::DataSet dataSet = testDataSet.Make3DExplicitDataSet0();
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vtkm::filter::Gradient gradient;
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gradient.SetComputePointGradient(true);
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gradient.SetOutputFieldName("gradient");
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gradient.SetActiveField("pointvar");
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vtkm::cont::DataSet result = gradient.Execute(dataSet);
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VTKM_TEST_ASSERT(result.HasPointField("gradient"), "Result field missing.");
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vtkm::cont::ArrayHandle<vtkm::Vec3f_32> resultArrayHandle;
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result.GetPointField("gradient").GetData().CopyTo(resultArrayHandle);
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vtkm::Vec3f_32 expected[2] = { { 10.f, 10.1f, 0.0f }, { 10.f, 10.1f, 0.0f } };
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for (int i = 0; i < 2; ++i)
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{
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VTKM_TEST_ASSERT(test_equal(resultArrayHandle.ReadPortal().Get(i), expected[i]),
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"Wrong result for CellGradient filter on 3D explicit data");
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}
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}
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void TestGradient()
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{
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TestCellGradientExplicit();
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TestPointGradientExplicit();
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}
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}
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int UnitTestGradientExplicit(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestGradient, argc, argv);
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}
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