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/*=========================================================================
Program: Visualization Toolkit
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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 "vtkCountFaces.h"
#include "vtkCellData.h"
#include "vtkCellType.h"
#include "vtkIdList.h"
#include "vtkIdTypeArray.h"
#include "vtkNew.h"
#include "vtkPoints.h"
#include "vtkUnstructuredGrid.h"
int TestCountFaces(int, char*[])
{
vtkNew<vtkUnstructuredGrid> data;
vtkNew<vtkPoints> points;
vtkNew<vtkIdList> cell;
vtkNew<vtkCountFaces> filter;
// Need 12 points to test all cell types:
for (int i = 0; i < 12; ++i)
{
points->InsertNextPoint(0., 0., 0.);
}
data->SetPoints(points.Get());
// Insert the following cell types and verify the number of faces computed
// by the filter:
// VTK_VERTEX = 0
// VTK_LINE = 0
// VTK_TRIANGLE = 0
// VTK_TETRA = 4
// VTK_PYRAMID = 5
// VTK_WEDGE = 5
// VTK_VOXEL = 6
// VTK_HEXAHEDRON = 6
// VTK_PENTAGONAL_PRISM = 7
// VTK_HEXAGONAL_PRISM = 8
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_VERTEX, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_LINE, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_TRIANGLE, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_TETRA, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_PYRAMID, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_WEDGE, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_VOXEL, cell.Get());
data->InsertNextCell(VTK_HEXAHEDRON, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_PENTAGONAL_PRISM, cell.Get());
cell->InsertNextId(cell->GetNumberOfIds());
cell->InsertNextId(cell->GetNumberOfIds());
data->InsertNextCell(VTK_HEXAGONAL_PRISM, cell.Get());
filter->SetInputData(data.Get());
filter->Update();
vtkUnstructuredGrid *output =
vtkUnstructuredGrid::SafeDownCast(filter->GetOutput());
if (!output)
{
std::cerr << "No output data!\n";
return EXIT_FAILURE;
}
vtkIdTypeArray *faces =
vtkIdTypeArray::SafeDownCast(
output->GetCellData()->GetArray(
filter->GetOutputArrayName()));
if (!faces)
{
std::cerr << "No output array!\n";
return EXIT_FAILURE;
}
if (faces->GetNumberOfComponents() != 1)
{
std::cerr << "Invalid number of components in output array: "
<< faces->GetNumberOfComponents() << "\n";
return EXIT_FAILURE;
}
if (faces->GetNumberOfTuples() != 10)
{
std::cerr << "Invalid number of components in output array: "
<< faces->GetNumberOfTuples() << "\n";
return EXIT_FAILURE;
}
#define TEST_FACES(idx, expected) \
{ \
vtkIdType numFaces = faces->GetTypedComponent(idx, 0); \
if (numFaces != expected) \
{ \
std::cerr << "Expected cell @idx=" << idx << " to have " << expected \
<< " faces, but found " << numFaces << "\n"; \
return EXIT_FAILURE; \
} \
}
int idx = 0;
// VTK_VERTEX = 0
TEST_FACES(idx++, 0);
// VTK_LINE = 0
TEST_FACES(idx++, 0);
// VTK_TRIANGLE = 0
TEST_FACES(idx++, 0);
// VTK_TETRA = 4
TEST_FACES(idx++, 4);
// VTK_PYRAMID = 5
TEST_FACES(idx++, 5);
// VTK_WEDGE = 5
TEST_FACES(idx++, 5);
// VTK_VOXEL = 6
TEST_FACES(idx++, 6);
// VTK_HEXAHEDRON = 6
TEST_FACES(idx++, 6);
// VTK_PENTAGONAL_PRISM = 7
TEST_FACES(idx++, 7);
// VTK_HEXAGONAL_PRISM = 8
TEST_FACES(idx++, 8);
#undef TEST_FACES
return EXIT_SUCCESS;
}
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