ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Core/QuadEdgeMesh/CreateTriangularQuadEdgeMesh/Code.cxx
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
int
main(int argc, char * argv[])
{
if (argc != 2)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " <OutputFileName>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * outputFileName = argv[1];
constexpr unsigned int Dimension = 3;
using CoordType = double;
MeshType::Pointer mesh = MeshType::New();
using PointsContainer = MeshType::PointsContainer;
using PointsContainerPointer = MeshType::PointsContainerPointer;
PointsContainerPointer points = PointsContainer::New();
points->Reserve(100);
p[2] = 0.;
using PointIdentifier = MeshType::PointIdentifier;
PointIdentifier k = 0;
for (int i = 0; i < 10; i++)
{
p[0] = static_cast<CoordType>(i);
for (int j = 0; j < 10; j++)
{
p[1] = static_cast<CoordType>(j);
points->SetElement(k, p);
k++;
}
}
mesh->SetPoints(points);
k = 0;
for (int i = 0; i < 9; i++)
{
for (int j = 0; j < 9; j++)
{
mesh->AddFaceTriangle(k, k + 1, k + 11);
mesh->AddFaceTriangle(k, k + 11, k + 10);
k++;
}
k++;
}
using WriterType = itk::MeshFileWriter<MeshType>;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputFileName);
writer->SetInput(mesh);
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itk::MeshFileWriter
Writes mesh data to a single file.
Definition: itkMeshFileWriter.h:52
itk::GTest::TypedefsAndConstructors::Dimension2::PointType
ImageBaseType::PointType PointType
Definition: itkGTestTypedefsAndConstructors.h:51
itk::QuadEdgeMesh
Mesh class for 2D manifolds embedded in ND space.
Definition: itkQuadEdgeMesh.h:53
itkQuadEdgeMesh.h
itkMeshFileWriter.h
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44