mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 13:23:51 +00:00
53 lines
1.8 KiB
C++
53 lines
1.8 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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//
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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/cont/testing/MakeTestDataSet.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vtkm/filter/image_processing/ImageMedian.h>
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namespace
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{
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void TestImageMedian()
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{
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std::cout << "Testing Image Median Filter on 3D structured data" << std::endl;
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vtkm::cont::testing::MakeTestDataSet testDataSet;
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vtkm::cont::DataSet dataSet = testDataSet.Make3DUniformDataSet2();
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vtkm::filter::image_processing::ImageMedian median;
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median.Perform3x3();
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median.SetActiveField("pointvar");
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auto result = median.Execute(dataSet);
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VTKM_TEST_ASSERT(result.HasPointField("median"), "Field missing.");
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vtkm::cont::ArrayHandle<vtkm::Float32> resultArrayHandle;
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result.GetPointField("median").GetData().AsArrayHandle(resultArrayHandle);
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auto cells = result.GetCellSet().AsCellSet<vtkm::cont::CellSetStructured<3>>();
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auto pdims = cells.GetPointDimensions();
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//verified by hand
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{
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auto portal = resultArrayHandle.ReadPortal();
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vtkm::Float32 expected_median = portal.Get(1 + pdims[0]);
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VTKM_TEST_ASSERT(test_equal(expected_median, 2), "incorrect median value");
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expected_median = portal.Get(1 + pdims[0] + (pdims[1] * pdims[0] * 2));
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VTKM_TEST_ASSERT(test_equal(expected_median, 2.82843), "incorrect median value");
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}
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}
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}
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int UnitTestImageMedianFilter(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestImageMedian, argc, argv);
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}
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