mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
151 lines
4.6 KiB
C++
151 lines
4.6 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/worklet/Threshold.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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#include <vtkm/cont/ArrayPortalToIterators.h>
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#include <algorithm>
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#include <iostream>
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#include <vector>
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namespace
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{
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class HasValue
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{
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public:
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VTKM_CONT
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HasValue(vtkm::Float32 value)
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: Value(value)
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{
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}
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template <typename ScalarType>
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VTKM_EXEC bool operator()(ScalarType value) const
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{
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return static_cast<vtkm::Float32>(value) == this->Value;
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}
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private:
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vtkm::Float32 Value;
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};
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using vtkm::cont::testing::MakeTestDataSet;
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class TestingThreshold
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{
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public:
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void TestUniform2D() const
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{
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std::cout << "Testing threshold on 2D uniform dataset" << std::endl;
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using CellSetType = vtkm::cont::CellSetStructured<2>;
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using OutCellSetType = vtkm::cont::CellSetPermutation<CellSetType>;
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vtkm::cont::DataSet dataset = MakeTestDataSet().Make2DUniformDataSet0();
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CellSetType cellset;
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dataset.GetCellSet().CopyTo(cellset);
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vtkm::cont::ArrayHandle<vtkm::Float32> pointvar;
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dataset.GetField("pointvar").GetData().CopyTo(pointvar);
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vtkm::worklet::Threshold threshold;
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OutCellSetType outCellSet =
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threshold.Run(cellset, pointvar, vtkm::cont::Field::Association::POINTS, HasValue(60.1f));
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VTKM_TEST_ASSERT(outCellSet.GetNumberOfCells() == 1, "Wrong number of cells");
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vtkm::cont::ArrayHandle<vtkm::Float32> cellvar;
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dataset.GetField("cellvar").GetData().CopyTo(cellvar);
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vtkm::cont::ArrayHandle<vtkm::Float32> cellFieldArray = threshold.ProcessCellField(cellvar);
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VTKM_TEST_ASSERT(cellFieldArray.GetNumberOfValues() == 1 &&
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cellFieldArray.ReadPortal().Get(0) == 200.1f,
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"Wrong cell field data");
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}
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void TestUniform3D() const
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{
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std::cout << "Testing threshold on 3D uniform dataset" << std::endl;
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using CellSetType = vtkm::cont::CellSetStructured<3>;
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using OutCellSetType = vtkm::cont::CellSetPermutation<CellSetType>;
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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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vtkm::cont::ArrayHandle<vtkm::Float32> pointvar;
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dataset.GetField("pointvar").GetData().CopyTo(pointvar);
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vtkm::worklet::Threshold threshold;
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OutCellSetType outCellSet =
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threshold.Run(cellset, pointvar, vtkm::cont::Field::Association::POINTS, HasValue(20.1f));
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VTKM_TEST_ASSERT(outCellSet.GetNumberOfCells() == 2, "Wrong number of cells");
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vtkm::cont::ArrayHandle<vtkm::Float32> cellvar;
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dataset.GetField("cellvar").GetData().CopyTo(cellvar);
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vtkm::cont::ArrayHandle<vtkm::Float32> cellFieldArray = threshold.ProcessCellField(cellvar);
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VTKM_TEST_ASSERT(cellFieldArray.GetNumberOfValues() == 2 &&
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cellFieldArray.ReadPortal().Get(0) == 100.1f &&
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cellFieldArray.ReadPortal().Get(1) == 100.2f,
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"Wrong cell field data");
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}
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void TestExplicit3D() const
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{
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std::cout << "Testing threshold on 3D explicit dataset" << std::endl;
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using CellSetType = vtkm::cont::CellSetExplicit<>;
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using OutCellSetType = vtkm::cont::CellSetPermutation<CellSetType>;
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vtkm::cont::DataSet dataset = MakeTestDataSet().Make3DExplicitDataSet0();
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CellSetType cellset;
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dataset.GetCellSet().CopyTo(cellset);
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vtkm::cont::ArrayHandle<vtkm::Float32> cellvar;
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dataset.GetField("cellvar").GetData().CopyTo(cellvar);
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vtkm::worklet::Threshold threshold;
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OutCellSetType outCellSet =
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threshold.Run(cellset, cellvar, vtkm::cont::Field::Association::CELL_SET, HasValue(100.1f));
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VTKM_TEST_ASSERT(outCellSet.GetNumberOfCells() == 1, "Wrong number of cells");
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vtkm::cont::ArrayHandle<vtkm::Float32> cellFieldArray = threshold.ProcessCellField(cellvar);
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VTKM_TEST_ASSERT(cellFieldArray.GetNumberOfValues() == 1 &&
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cellFieldArray.ReadPortal().Get(0) == 100.1f,
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"Wrong cell field data");
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}
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void operator()() const
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{
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this->TestUniform2D();
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this->TestUniform3D();
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this->TestExplicit3D();
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}
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};
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}
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int UnitTestThreshold(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestingThreshold(), argc, argv);
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}
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