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/*
* list_events.c
*
* Generate event lists
*
* Copyright © 2015-2021 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
*
* Authors:
* 2015-2020 Thomas White <taw@physics.org>
*
* This file is part of CrystFEL.
*
* CrystFEL is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* CrystFEL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CrystFEL. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <utils.h>
#include <image.h>
#include <datatemplate.h>
#include "version.h"
static void show_help(const char *s)
{
printf("Syntax: %s [options] -i files.lst -o events.lst "
"-g geometry.geom\n\n", s);
printf(
"Generate event lists.\n"
"\n"
" -h, --help Display this help message.\n"
" --version Print CrystFEL version number and exit.\n"
"\n"
" -i, --input=<file> Input filename (list of multi-event filenames).\n"
" -g, --geometry=<file> Get data layout from geometry file.\n"
" -o, --output=<file> Output filename (list of events).\n"
);
}
int main(int argc, char *argv[])
{
int c;
char *input = NULL;
char *output = NULL;
char *geom = NULL;
char *rval;
FILE *ifh;
FILE *ofh;
DataTemplate *dtempl;
int err;
/* Long options */
const struct option longopts[] = {
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 2 },
{"input", 1, NULL, 'i'},
{"geometry", 1, NULL, 'g'},
{"output", 1, NULL, 'o'},
{0, 0, NULL, 0}
};
/* Short options */
while ((c = getopt_long(argc, argv, "hi:g:o:",
longopts, NULL)) != -1) {
switch (c) {
case 'h' :
show_help(argv[0]);
return 0;
case 2 :
printf("CrystFEL: %s\n",
crystfel_version_string());
printf("%s\n",
crystfel_licence_string());
return 0;
case 'o' :
output = strdup(optarg);
break;
case 'i' :
input = strdup(optarg);
break;
case 'g' :
geom = strdup(optarg);
break;
case 0 :
break;
case '?' :
break;
default :
ERROR("Unhandled option '%c'\n", c);
break;
}
}
if ( (input == NULL) || (output == NULL) || (geom == NULL) ) {
ERROR("You must specify at least the input, output and geometry"
" filenames.\n");
return 1;
}
if ( is_hdf5_file(input, &err) ) {
ERROR("Your input file appears to be an HDF5 file.\n");
ERROR("The input file should be a list of data files, not the "
"data file itself.\n");
ERROR("If you have only one input file, try the following:\n");
ERROR(" echo %s > files.lst\n", input);
ERROR(" list_events -i files.lst -o %s -g %s ...\n", output, geom);
return 1;
} else if ( err ) {
ERROR("Couldn't open '%s'\n", input);
return 1;
}
ifh = fopen(input, "r");
if ( ifh == NULL ) {
ERROR("Couldn't open '%s'\n", input);
return 1;
}
ofh = fopen(output, "w");
if ( ofh == NULL ) {
ERROR("Couldn't open '%s'\n", output);
return 1;
}
dtempl = data_template_new_from_file(geom);
if ( dtempl == NULL ) {
ERROR("Failed to read '%s'\n", geom);
return 1;
}
do {
char filename[1024];
rval = fgets(filename, 1024, ifh);
if ( rval != NULL ) {
char **evlist;
int num_events;
int i;
chomp(filename);
evlist = image_expand_frames(dtempl, filename,
&num_events);
if ( evlist == NULL ) {
ERROR("Failed to read %s\n", filename);
return 1;
}
for ( i=0; i<num_events; i++ ) {
fprintf(ofh, "%s %s\n",
filename, evlist[i]);
free(evlist[i]);
}
STATUS("%i events found in %s\n",
num_events, filename);
free(evlist);
}
} while ( rval != NULL );
data_template_free(dtempl);
return 0;
}
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