141 lines
4.5 KiB
C++
141 lines
4.5 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/DataSetBuilderExplicit.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vtkm/io/VTKDataSetWriter.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/StreamSurface.h>
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namespace
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{
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void appendPts(vtkm::cont::DataSetBuilderExplicitIterative& dsb,
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const vtkm::Vec3f& pt,
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std::vector<vtkm::Id>& ids)
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{
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vtkm::Id pid = dsb.AddPoint(pt);
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ids.push_back(pid);
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}
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void TestSameNumPolylines()
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{
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using VecType = vtkm::Vec3f;
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vtkm::cont::DataSetBuilderExplicitIterative dsb;
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std::vector<vtkm::Id> ids;
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ids.clear();
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appendPts(dsb, VecType(0, 0, 0), ids);
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appendPts(dsb, VecType(1, 1, 0), ids);
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appendPts(dsb, VecType(2, 1, 0), ids);
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appendPts(dsb, VecType(3, 0, 0), ids);
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dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
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ids.clear();
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appendPts(dsb, VecType(0, 0, 1), ids);
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appendPts(dsb, VecType(1, 1, 1), ids);
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appendPts(dsb, VecType(2, 1, 1), ids);
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appendPts(dsb, VecType(3, 0, 1), ids);
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dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
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ids.clear();
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appendPts(dsb, VecType(0, 0, 2), ids);
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appendPts(dsb, VecType(1, 1, 2), ids);
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appendPts(dsb, VecType(2, 1, 2), ids);
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appendPts(dsb, VecType(3, 0, 2), ids);
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dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
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vtkm::cont::DataSet ds = dsb.Create();
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vtkm::worklet::StreamSurface streamSurfaceWorklet;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> newPoints;
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vtkm::cont::CellSetSingleType<> newCells;
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streamSurfaceWorklet.Run(ds.GetCoordinateSystem(0), ds.GetCellSet(), newPoints, newCells);
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VTKM_TEST_ASSERT(newPoints.GetNumberOfValues() == ds.GetCoordinateSystem(0).GetNumberOfValues(),
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"Wrong number of points in StreamSurface worklet");
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VTKM_TEST_ASSERT(newCells.GetNumberOfCells() == 12,
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"Wrong number of cells in StreamSurface worklet");
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}
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void TestUnequalNumPolylines(int unequalType)
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{
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using VecType = vtkm::Vec3f;
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vtkm::cont::DataSetBuilderExplicitIterative dsb;
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std::vector<vtkm::Id> ids;
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ids.clear();
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appendPts(dsb, VecType(0, 0, 0), ids);
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appendPts(dsb, VecType(1, 1, 0), ids);
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appendPts(dsb, VecType(2, 1, 0), ids);
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appendPts(dsb, VecType(3, 0, 0), ids);
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if (unequalType == 0)
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{
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appendPts(dsb, VecType(4, 0, 0), ids);
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appendPts(dsb, VecType(5, 0, 0), ids);
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appendPts(dsb, VecType(6, 0, 0), ids);
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}
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dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
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ids.clear();
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appendPts(dsb, VecType(0, 0, 1), ids);
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appendPts(dsb, VecType(1, 1, 1), ids);
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appendPts(dsb, VecType(2, 1, 1), ids);
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appendPts(dsb, VecType(3, 0, 1), ids);
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if (unequalType == 1)
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{
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appendPts(dsb, VecType(4, 0, 1), ids);
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appendPts(dsb, VecType(5, 0, 1), ids);
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appendPts(dsb, VecType(6, 0, 1), ids);
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}
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dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
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ids.clear();
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appendPts(dsb, VecType(0, 0, 2), ids);
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appendPts(dsb, VecType(1, 1, 2), ids);
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appendPts(dsb, VecType(2, 1, 2), ids);
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appendPts(dsb, VecType(3, 0, 2), ids);
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if (unequalType == 2)
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{
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appendPts(dsb, VecType(4, 0, 2), ids);
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appendPts(dsb, VecType(5, 0, 2), ids);
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appendPts(dsb, VecType(6, 0, 2), ids);
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}
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dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
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vtkm::cont::DataSet ds = dsb.Create();
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vtkm::worklet::StreamSurface streamSurfaceWorklet;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> newPoints;
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vtkm::cont::CellSetSingleType<> newCells;
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streamSurfaceWorklet.Run(ds.GetCoordinateSystem(0), ds.GetCellSet(), newPoints, newCells);
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vtkm::Id numRequiredCells = (unequalType == 1 ? 18 : 15);
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VTKM_TEST_ASSERT(newPoints.GetNumberOfValues() == ds.GetCoordinateSystem(0).GetNumberOfValues(),
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"Wrong number of points in StreamSurface worklet");
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VTKM_TEST_ASSERT(newCells.GetNumberOfCells() == numRequiredCells,
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"Wrong number of cells in StreamSurface worklet");
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}
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void TestStreamSurface()
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{
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std::cout << "Testing Stream Surface Worklet" << std::endl;
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TestSameNumPolylines();
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TestUnequalNumPolylines(0);
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TestUnequalNumPolylines(1);
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TestUnequalNumPolylines(2);
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}
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}
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int UnitTestStreamSurface(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestStreamSurface, argc, argv);
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}
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