readTXTFile.h

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#ifndef TIL_READTXTFILE_H
#define TIL_READTXTFILE_H

#include <fstream>
#include <iostream>
#include <limits>
#include <vector>

// includes from TIL
#include "til/numeric_array.h"


template < class T >
void readTXT3DPoints(const char *filename, std::vector<numeric_array<T,3> > &v)
{

        ifstream f (filename); // ios::nocreate not defined???
        
        if (!f)
        {
                throw std::runtime_error("Unable to open file");
        }
        
        
        // Read points from file
        
        int count = 0;
        numeric_array<T,3> tv;
        double x, y, z;

        for (;;)
        {
                const int SIZE_BUFF = 100;
                char buff[SIZE_BUFF];

                f >> x >> y >> z;
                if (!f.good()) break;

                // Convert to vector's type

                tv[0] = castValue<double, T>(x);
                tv[1] = castValue<double, T>(y);
                tv[2] = castValue<double, T>(z);

                v.push_back(tv);
                ++count;

                // Skip the remaining of the line
                
                f.getline(buff, SIZE_BUFF);
                if (!f.good()) break;
        }

}

#endif