vtk-m2/vtkm/worklet/testing/UnitTestTube.cxx
2019-06-21 09:45:37 -04:00

218 lines
7.1 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/cont/DataSetBuilderExplicit.h>
#include <vtkm/cont/testing/Testing.h>
#include <vtkm/io/writer/VTKDataSetWriter.h>
#include <vtkm/worklet/DispatcherMapField.h>
#include <vtkm/worklet/Tube.h>
namespace
{
template <class T>
inline std::ostream& operator<<(std::ostream& out, const std::vector<T>& v)
{
typename std::vector<T>::const_iterator b = v.begin();
typename std::vector<T>::const_iterator e = v.end();
out << "[";
while (b != e)
{
out << *b;
std::advance(b, 1);
if (b != e)
out << " ";
}
out << "]";
return out;
}
void appendPts(vtkm::cont::DataSetBuilderExplicitIterative& dsb,
const vtkm::Vec<vtkm::FloatDefault, 3>& pt,
std::vector<vtkm::Id>& ids)
{
vtkm::Id pid = dsb.AddPoint(pt);
ids.push_back(pid);
}
#if 0
void TestTubeWorklets2()
{
std::cout << "Testing Tube Worklet" << std::endl;
vtkm::cont::DataSetBuilderExplicitIterative dsb;
std::vector<vtkm::Id> ids;
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(0,0,4), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(1,0,3), ids);
dsb.AddCell(vtkm::CELL_SHAPE_LINE, ids);
ids.clear();
vtkm::FloatDefault x0 = 0, x1 = 6.28, dx = 0.05;
//x1 = 6.28 / 6.;
for (vtkm::FloatDefault x = x0; x < x1; x += dx)
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(x,vtkm::Cos(x),.5*vtkm::Sin(x)), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(0,0,4), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(1,0,3), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(0,0,4), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(1,0,3), ids);
dsb.AddCell(vtkm::CELL_SHAPE_LINE, ids);
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(0,0,4), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(1,0,3), ids);
dsb.AddCell(vtkm::CELL_SHAPE_LINE, ids);
ids.clear();
for (vtkm::FloatDefault x = x0; x < x1; x += dx)
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault,3>(x,2+vtkm::Cos(x),.5*vtkm::Sin(x)), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
vtkm::cont::DataSet ds = dsb.Create();
ds.PrintSummary(std::cout);
vtkm::worklet::Tube tubeWorklet(13, 0.05f);
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault,3>> newPoints;
vtkm::cont::CellSetSingleType<> newCells;
tubeWorklet.Run(ds.GetCoordinateSystem(0), ds.GetCellSet(0), newPoints, newCells);
vtkm::cont::DataSet ds2;
ds2.AddCoordinateSystem(vtkm::cont::CoordinateSystem("coords", newPoints));
ds2.AddCellSet(newCells);
ds2.PrintSummary(std::cout);
vtkm::io::writer::VTKDataSetWriter writer("tube.vtk");
writer.WriteDataSet(ds2);
if (1)
{
vtkm::io::writer::VTKDataSetWriter writer("poly.vtk");
writer.WriteDataSet(ds);
}
if (1)
{
dsb = vtkm::cont::DataSetBuilderExplicitIterative();
int nPts = newPoints.GetNumberOfValues();
ids.clear();
auto portal = newPoints.GetPortalControl();
for (int i = 0; i < nPts; i++)
{
vtkm::Id id = dsb.AddPoint(portal.Get(i));
dsb.AddCell(vtkm::CELL_SHAPE_VERTEX, {id});
}
ds = dsb.Create();
vtkm::io::writer::VTKDataSetWriter writer("pts.vtk");
writer.WriteDataSet(ds);
}
}
#endif
// Test with 3 polylines
void TestTube1()
{
vtkm::cont::DataSetBuilderExplicitIterative dsb;
std::vector<vtkm::Id> ids;
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(0, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(1, 0, 0), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(0, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(1, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(2, 0, 0), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(0, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(1, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(2, 1, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(3, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(4, 0, 0), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
vtkm::cont::DataSet ds = dsb.Create();
vtkm::worklet::Tube tubeWorklet(13, 0.05f);
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> newPoints;
vtkm::cont::CellSetSingleType<> newCells;
tubeWorklet.Run(ds.GetCoordinateSystem(0), ds.GetCellSet(0), newPoints, newCells);
VTKM_TEST_ASSERT(newPoints.GetNumberOfValues() == 130, "Wrong number of points in Tube worklet");
VTKM_TEST_ASSERT(newCells.GetCellShape(0) == vtkm::CELL_SHAPE_QUAD,
"Wrong cell shape in Tube worklet");
VTKM_TEST_ASSERT(newCells.GetNumberOfCells() == 117, "Wrong cell shape in Tube worklet");
}
// Test with 2 polylines and 1 triangle (which should be skipped).
void TestTube2()
{
vtkm::cont::DataSetBuilderExplicitIterative dsb;
std::vector<vtkm::Id> ids;
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(0, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(1, 0, 0), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(0, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(1, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(1, 1, 0), ids);
dsb.AddCell(vtkm::CELL_SHAPE_TRIANGLE, ids);
ids.clear();
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(0, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(1, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(2, 1, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(3, 0, 0), ids);
appendPts(dsb, vtkm::Vec<vtkm::FloatDefault, 3>(4, 0, 0), ids);
dsb.AddCell(vtkm::CELL_SHAPE_POLY_LINE, ids);
vtkm::cont::DataSet ds = dsb.Create();
vtkm::worklet::Tube tubeWorklet(13, 0.05f);
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> newPoints;
vtkm::cont::CellSetSingleType<> newCells;
tubeWorklet.Run(ds.GetCoordinateSystem(0), ds.GetCellSet(0), newPoints, newCells);
VTKM_TEST_ASSERT(newPoints.GetNumberOfValues() == 91, "Wrong number of points in Tube worklet");
VTKM_TEST_ASSERT(newCells.GetCellShape(0) == vtkm::CELL_SHAPE_QUAD,
"Wrong cell shape in Tube worklet");
VTKM_TEST_ASSERT(newCells.GetNumberOfCells() == 78, "Wrong cell shape in Tube worklet");
}
void TestTubeWorklets()
{
std::cout << "Testing Tube Worklet" << std::endl;
TestTube1();
TestTube2();
}
}
int UnitTestTube(int argc, char* argv[])
{
return vtkm::cont::testing::Testing::Run(TestTubeWorklets, argc, argv);
}