xyzrgb16bit->8bit.cpp

#include<iostream>
#include<fstream>
#include<iomanip>
#include<sstream>

using namespace std;

int main(int argc, char** argv)
{

    if(argc!=3)
    {
        fprintf(stderr,"Usage: %s\n(1)Input_filename\n(2)Output_filename\n",argv[0]);
        //exit(1);
    }

    ifstream ifs(argv[1]);
    ofstream ofs(argv[2]);
    string line;

    cout << "now converting....wait for a short time" <<endl;

    while(getline(ifs,line))
    {
        float x,y,z;
        int r,g,b;
        int r_down,g_down,b_down;

        istringstream is(line);

        is  >> x >> y >> z >> r >> g >> b;

        r_down=r/255;
        g_down=g/255;
        b_down=b/255;

        //cout<< x <<" "<< y <<" "<<z<<" "<<r_down<<" "<<g_down<<" "<< b_down<<endl;
        ofs<< x <<" "<< y <<" "<<z<<" "<<r_down<<" "<<g_down<<" "<< b_down<<endl;

    }

    ifs.close();
    ofs.close();

    cout << "finished" << endl;

    return 0;
}