rawexample_readmcpl.c

///////////////////////////////////////////////////////////////////////////////////
//                                                                               //
// A small standalone example of how to one might read particles from an MCPL    //
// file into a given programme.                                                  //
//                                                                               //
// This file can be freely used as per the terms in the LICENSE file.            //
//                                                                               //
// Written 2015-2016 by Thomas.Kittelmann@ess.eu                                 //
//                                                                               //
///////////////////////////////////////////////////////////////////////////////////

#include "mcpl.h"
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>

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

  if (argc!=2) {
    printf("Please supply input filename\n");
    return 1;
  }

  const char * filename = argv[1];

  //Open the file:
  mcpl_file_t f = mcpl_open_file(filename);

  //For fun, access and print a bit of the info found in the header (see mcpl.h for more):

  printf("Opened MCPL file produced with %s\n",mcpl_hdr_srcname(f));
  unsigned i;
  for (i = 0; i < mcpl_hdr_ncomments(f); ++i)
    printf("file had comment: '%s'\n",mcpl_hdr_comment(f,i));
  printf("File contains %llu particles\n",(unsigned long long)mcpl_hdr_nparticles(f));

  //Now, loop over particles and print some info:

  const mcpl_particle_t* p;
  while ( ( p = mcpl_read(f) ) ) {

    //print some info (see the mcpl_particle_t struct in mcpl.h for more fields):
    printf("  found particle with pdgcode %i and time-stamp %g ms with weight %g\n",
           p->pdgcode, p->time, p->weight);


  }

  mcpl_close_file(f);
}