ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Core/Common/ReadAPointSet/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.
*
*=========================================================================*/
#include "itkImage.h"
#include "itkPointSet.h"
#include <string>
#include <iostream>
int
main(int argc, char * argv[])
{
if (argc < 2)
{
std::cout << "Usage: " << argv[0] << " Input(.vtk)" << std::endl;
return EXIT_FAILURE;
}
std::string InputFilename = argv[1];
std::cout << "Input file: " << InputFilename << std::endl;
// using PointSetType = itk::PointSet<double, 3 >;
// PointSetType::Pointer pointsSet = PointSetType::New();
// using PointType = PointSetType::PointType;
constexpr unsigned int Dimension = 3;
using CoordType = float;
ReaderType::Pointer polyDataReader = ReaderType::New();
polyDataReader->SetFileName(InputFilename.c_str());
try
{
polyDataReader->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
std::cout << "polyDataReader:" << std::endl;
std::cout << polyDataReader << std::endl;
MeshType::Pointer mesh = polyDataReader->GetOutput();
PointType point;
std::cout << "Testing itk::VTKPolyDataReader" << std::endl;
unsigned int numberOfPoints = mesh->GetNumberOfPoints();
unsigned int numberOfCells = mesh->GetNumberOfCells();
std::cout << "numberOfPoints= " << numberOfPoints << std::endl;
std::cout << "numberOfCells= " << numberOfCells << std::endl;
if (!numberOfPoints)
{
std::cerr << "ERROR: numberOfPoints= " << numberOfPoints << std::endl;
return EXIT_FAILURE;
}
if (!numberOfCells)
{
std::cerr << "ERROR: numberOfCells= " << numberOfCells << std::endl;
return EXIT_FAILURE;
}
// Retrieve points
for (unsigned int i = 0; i < numberOfPoints; i++)
{
bool pointExists = mesh->GetPoint(i, &pp);
if (pointExists)
{
std::cout << "Point is = " << pp << std::endl;
}
}
return EXIT_SUCCESS;
}
itk::GTest::TypedefsAndConstructors::Dimension2::VectorType
ImageBaseType::SpacingType VectorType
Definition: itkGTestTypedefsAndConstructors.h:53
itk::GTest::TypedefsAndConstructors::Dimension2::PointType
ImageBaseType::PointType PointType
Definition: itkGTestTypedefsAndConstructors.h:51
itkImage.h
itkVTKPolyDataReader.h
itk::Mesh
Implements the N-dimensional mesh structure.
Definition: itkMesh.h:114
itk::VTKPolyDataReader
Reads a vtkPolyData file and create an itkMesh.
Definition: itkVTKPolyDataReader.h:45
itkPointSet.h
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44