DM_iterate_simple.cpp

//  =================================================================
//   iterating over all points of an existing ODM within C++ 
//  =================================================================
 
#include <iostream>
#include "DM/Datamanager.hpp"
 
using namespace std;
 
void DM_iterate_simple(const char *filename)
{
  //open the odm
  DM::DatamanagerHandle dm = DM::IDatamanager::load(filename,true/*readOnly*/,false/*threadSafety*/);
 
  //if the dm wasn't opened successful exit function
  if (!dm)
  {
    cout << "Unable to open ODM '" << filename << "'" << endl;
    return;
  }
 
  int idx = 0;
  cout << "Output " << dm->sizePoint() << " points from the ODM" << endl;
 
  //now iterate over all points 
  for(auto it = dm->beginPoint(); it != dm->endPoint(); ++it)
  {
    idx += 1;
 
    //get point reference
    const DM::IPoint &pt = *it;
 
    //output point
    cout << idx << ".point " << pt.x() << ", " << pt.y() << ", "  << pt.z() << endl;
  }
 
  cout << "done" << endl;
}