mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
106 lines
3.7 KiB
C++
106 lines
3.7 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 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 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/DispatcherMapField.h>
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#include <vtkm/worklet/WarpScalar.h>
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#include <vtkm/cont/CellSetExplicit.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/DataSetFieldAdd.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vector>
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namespace
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{
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template <typename T>
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vtkm::cont::DataSet MakeWarpScalarTestDataSet()
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{
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vtkm::cont::DataSet dataSet;
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std::vector<vtkm::Vec<T, 3>> coordinates;
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std::vector<T> scaleFactor;
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const vtkm::Id dim = 5;
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for (vtkm::Id i = 0; i < dim; ++i)
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{
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T z = static_cast<T>(i);
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for (vtkm::Id j = 0; j < dim; ++j)
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{
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T x = static_cast<T>(j);
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T y = static_cast<T>(j + 1);
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coordinates.push_back(vtkm::make_Vec(x, y, z));
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scaleFactor.push_back(static_cast<T>(i * dim + j));
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}
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}
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dataSet.AddCoordinateSystem(
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vtkm::cont::make_CoordinateSystem("coordinates", coordinates, vtkm::CopyFlag::On));
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vtkm::cont::DataSetFieldAdd::AddPointField(dataSet, "scalefactor", scaleFactor);
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return dataSet;
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}
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}
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void TestWarpScalar()
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{
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std::cout << "Testing WarpScalar Worklet" << std::endl;
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using vecType = vtkm::Vec<vtkm::FloatDefault, 3>;
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vtkm::cont::DataSet ds = MakeWarpScalarTestDataSet<vtkm::FloatDefault>();
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vtkm::FloatDefault scaleAmount = 2;
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vtkm::cont::ArrayHandle<vecType> result;
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vecType normal = vtkm::make_Vec<vtkm::FloatDefault>(static_cast<vtkm::FloatDefault>(0.0),
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static_cast<vtkm::FloatDefault>(0.0),
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static_cast<vtkm::FloatDefault>(1.0));
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auto coordinate = ds.GetCoordinateSystem().GetData();
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vtkm::Id nov = coordinate.GetNumberOfValues();
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vtkm::cont::ArrayHandleConstant<vecType> normalAH =
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vtkm::cont::make_ArrayHandleConstant(normal, nov);
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> scaleFactorArray;
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auto scaleFactor =
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ds.GetField("scalefactor").GetData().ResetTypes(vtkm::TypeListTagFieldScalar());
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scaleFactor.CopyTo(scaleFactorArray);
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auto sFAPortal = scaleFactorArray.GetPortalControl();
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vtkm::worklet::WarpScalar warpWorklet;
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warpWorklet.Run(ds.GetCoordinateSystem(), normalAH, scaleFactor, scaleAmount, result);
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auto resultPortal = result.GetPortalConstControl();
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for (vtkm::Id i = 0; i < nov; i++)
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{
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for (vtkm::Id j = 0; j < 3; j++)
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{
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vtkm::FloatDefault ans =
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coordinate.GetPortalConstControl().Get(i)[static_cast<vtkm::IdComponent>(j)] +
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scaleAmount * normal[static_cast<vtkm::IdComponent>(j)] * sFAPortal.Get(i);
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VTKM_TEST_ASSERT(test_equal(ans, resultPortal.Get(i)[static_cast<vtkm::IdComponent>(j)]),
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" Wrong result for WarpVector worklet");
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}
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}
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}
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int UnitTestWarpScalar(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestWarpScalar, argc, argv);
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}
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