mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
//============================================================================
|
|
// Copyright (c) Kitware, Inc.
|
|
// All rights reserved.
|
|
// See LICENSE.txt for details.
|
|
//
|
|
// This software is distributed WITHOUT ANY WARRANTY; without even
|
|
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
// PURPOSE. See the above copyright notice for more information.
|
|
//============================================================================
|
|
|
|
#include <vtkm/worklet/DispatcherMapField.h>
|
|
#include <vtkm/worklet/WarpScalar.h>
|
|
|
|
#include <vtkm/cont/CellSetExplicit.h>
|
|
#include <vtkm/cont/DataSet.h>
|
|
#include <vtkm/cont/DataSetFieldAdd.h>
|
|
|
|
#include <vtkm/cont/testing/Testing.h>
|
|
|
|
#include <vector>
|
|
|
|
namespace
|
|
{
|
|
template <typename T>
|
|
vtkm::cont::DataSet MakeWarpScalarTestDataSet()
|
|
{
|
|
vtkm::cont::DataSet dataSet;
|
|
|
|
std::vector<vtkm::Vec<T, 3>> coordinates;
|
|
std::vector<T> scaleFactor;
|
|
const vtkm::Id dim = 5;
|
|
for (vtkm::Id i = 0; i < dim; ++i)
|
|
{
|
|
T z = static_cast<T>(i);
|
|
for (vtkm::Id j = 0; j < dim; ++j)
|
|
{
|
|
T x = static_cast<T>(j);
|
|
T y = static_cast<T>(j + 1);
|
|
coordinates.push_back(vtkm::make_Vec(x, y, z));
|
|
scaleFactor.push_back(static_cast<T>(i * dim + j));
|
|
}
|
|
}
|
|
|
|
dataSet.AddCoordinateSystem(
|
|
vtkm::cont::make_CoordinateSystem("coordinates", coordinates, vtkm::CopyFlag::On));
|
|
vtkm::cont::DataSetFieldAdd::AddPointField(dataSet, "scalefactor", scaleFactor);
|
|
return dataSet;
|
|
}
|
|
}
|
|
|
|
void TestWarpScalar()
|
|
{
|
|
std::cout << "Testing WarpScalar Worklet" << std::endl;
|
|
using vecType = vtkm::Vec3f;
|
|
|
|
vtkm::cont::DataSet ds = MakeWarpScalarTestDataSet<vtkm::FloatDefault>();
|
|
|
|
vtkm::FloatDefault scaleAmount = 2;
|
|
vtkm::cont::ArrayHandle<vecType> result;
|
|
|
|
vecType normal = vtkm::make_Vec<vtkm::FloatDefault>(static_cast<vtkm::FloatDefault>(0.0),
|
|
static_cast<vtkm::FloatDefault>(0.0),
|
|
static_cast<vtkm::FloatDefault>(1.0));
|
|
auto coordinate = ds.GetCoordinateSystem().GetData();
|
|
vtkm::Id nov = coordinate.GetNumberOfValues();
|
|
vtkm::cont::ArrayHandleConstant<vecType> normalAH =
|
|
vtkm::cont::make_ArrayHandleConstant(normal, nov);
|
|
|
|
vtkm::cont::ArrayHandle<vtkm::FloatDefault> scaleFactorArray;
|
|
auto scaleFactor = ds.GetField("scalefactor").GetData().ResetTypes(vtkm::TypeListFieldScalar());
|
|
scaleFactor.CopyTo(scaleFactorArray);
|
|
|
|
vtkm::worklet::WarpScalar warpWorklet;
|
|
warpWorklet.Run(ds.GetCoordinateSystem(), normalAH, scaleFactor, scaleAmount, result);
|
|
|
|
auto sFAPortal = scaleFactorArray.ReadPortal();
|
|
auto resultPortal = result.ReadPortal();
|
|
for (vtkm::Id i = 0; i < nov; i++)
|
|
{
|
|
for (vtkm::Id j = 0; j < 3; j++)
|
|
{
|
|
vtkm::FloatDefault ans = coordinate.ReadPortal().Get(i)[static_cast<vtkm::IdComponent>(j)] +
|
|
scaleAmount * normal[static_cast<vtkm::IdComponent>(j)] * sFAPortal.Get(i);
|
|
VTKM_TEST_ASSERT(test_equal(ans, resultPortal.Get(i)[static_cast<vtkm::IdComponent>(j)]),
|
|
" Wrong result for WarpVector worklet");
|
|
}
|
|
}
|
|
}
|
|
|
|
int UnitTestWarpScalar(int argc, char* argv[])
|
|
{
|
|
return vtkm::cont::testing::Testing::Run(TestWarpScalar, argc, argv);
|
|
}
|