digitalSetFromPointList.cpp

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#include "DGtal/base/Common.h"
#include "DGtal/io/readers/PointListReader.h"
#include "DGtal/io/viewers/PolyscopeViewer.h"
#include "DGtal/io/Color.h"
 
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"

 
using namespace std;
using namespace DGtal;
using namespace Z3i;

 
int main( int argc, char** argv )
{
  std::string inputFilename = examplesPath + "samples/pointList3d.pl";
  PolyscopeViewer<> viewer;
  // Importing the 3d set of points  contained with the default index (0, 1, 2);
  vector<Z3i::Point> vectPoints=  PointListReader<Z3i::Point>::getPointsFromFile(inputFilename);
  for(unsigned int i=0; i<vectPoints.size();i++){
    viewer << vectPoints.at(i);
  }
 
  // Importing the 3d set of points with another index definition  (0, 2, 1);
  vector<unsigned int> vPos;
  vPos.push_back(0);
  vPos.push_back(2);
  vPos.push_back(1);
  vectPoints=  PointListReader<Z3i::Point>::getPointsFromFile(inputFilename, vPos);
  viewer<< Color(255,0,0);
  for(unsigned int i=0; i<vectPoints.size();i++){
    viewer << vectPoints.at(i);
  }
 
  viewer.show();
  return 0;
}
int main( int argc, char** argv ) {…}