ITK  4.9.0
Insight Segmentation and Registration Toolkit
WikiExamples/PointSet/ReadPointSet.cxx
#include "itkMesh.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;
//typedef itk::PointSet<double, 3 > PointSetType;
//PointSetType::Pointer pointsSet = PointSetType::New();
//typedef PointSetType::PointType PointType;
typedef itk::Mesh<float, 3> MeshType;
ReaderType::Pointer polyDataReader = ReaderType::New();
typedef ReaderType::PointType PointType;
typedef ReaderType::VectorType VectorType;
polyDataReader->SetFileName(InputFilename.c_str());
try
{
polyDataReader->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error during Update() " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
//polyDataReader->Update();
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;
}
/*
for(unsigned int i=0; i<numberOfPoints; i++)
{
mesh->GetPoint(i, &point);
}
*/
// Retrieve points
for(unsigned int i = 0; i < numberOfPoints; i++)
{
PointType pp;
bool pointExists = mesh->GetPoint(i, &pp);
if(pointExists)
{
std::cout << "Point is = " << pp << std::endl;
}
}
return EXIT_SUCCESS;
}