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/*
* align_detector.c
*
* Align detector using Millepede
*
* Copyright © 2023 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
*
* Authors:
* 2023 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <datatemplate.h>
#include <utils.h>
#include <predict-refine.h>
#include <crystfel-mille.h>
#include "version.h"
static void show_syntax(const char *s)
{
printf("Syntax: %s [options] -g <input.geom> -o <output.geom> <mille-0.dat> [...]\n", s);
}
static void show_help(const char *s)
{
show_syntax(s);
printf("\nRefine detector geometry using Millepede.\n"
"\n"
" -g, --geometry=file Input geometry file\n"
" -o, --output=file Output geometry file\n"
" -l, --level=n Alignment hierarchy level\n"
"\n"
" -h, --help Display this help message\n"
" --version Print version number and exit\n");
}
int main(int argc, char *argv[])
{
int c;
char *in_geom = NULL;
char *out_geom = NULL;
int level = 0;
char *rval;
int i;
FILE *fh;
DataTemplate *dtempl;
struct dg_group_info *groups;
int n_groups;
int r;
char line[256];
/* Long options */
const struct option longopts[] = {
{"help", 0, NULL, 'h'},
{"verbose", 0, NULL, 'v'},
{"version", 0, NULL, 'V'},
{"input", 1, NULL, 'g'},
{"output", 1, NULL, 'o'},
{"level", 1, NULL, 'l'},
{0, 0, NULL, 0}
};
/* Short options */
while ((c = getopt_long(argc, argv, "hVo:g:i:l:",
longopts, NULL)) != -1)
{
switch (c) {
case 'h' :
show_help(argv[0]);
return 0;
case 'V' :
printf("CrystFEL: %s\n", crystfel_version_string());
printf("%s\n", crystfel_licence_string());
return 0;
case 'g' :
case 'i' :
in_geom = strdup(optarg);
break;
case 'o' :
out_geom = strdup(optarg);
break;
case 'l' :
errno = 0;
level = strtol(optarg, &rval, 10);
if ( *rval != '\0' ) {
ERROR("Invalid value for --level.\n");
return 1;
}
case 0 :
break;
case '?' :
break;
default :
ERROR("Unhandled option '%c'\n", c);
break;
}
}
if ( (in_geom == NULL) || (out_geom == NULL) || (argc == optind) ) {
show_syntax(argv[0]);
return 1;
}
fh = fopen("millepede.txt", "w");
if ( fh == NULL ) {
ERROR("Couldn't open Millepede steering file\n");
return 1;
}
for ( i=optind; i<argc; i++ ) {
fprintf(fh, "%s\n", argv[i]);
}
dtempl = data_template_new_from_file(in_geom);
groups = data_template_group_info(dtempl, &n_groups);
fprintf(fh, "\nParameter\n");
for ( i=0; i<n_groups; i++ ) {
int f = (groups[i].hierarchy_level > level) ? -1 : 0;
fprintf(fh, "%i 0 %i\n", mille_label(groups[i].serial, GPARAM_DET_TX), f);
fprintf(fh, "%i 0 %i\n", mille_label(groups[i].serial, GPARAM_DET_TY), f);
if ( groups[i].hierarchy_level > 0 ) {
fprintf(fh, "%i 0 %i\n", mille_label(groups[i].serial, GPARAM_DET_TZ), f);
} else {
/* No overall camera length change */
fprintf(fh, "%i 0 -1\n", mille_label(groups[i].serial, GPARAM_DET_TZ));
}
fprintf(fh, "%i 0 %i\n", mille_label(groups[i].serial, GPARAM_DET_RX), f);
fprintf(fh, "%i 0 %i\n", mille_label(groups[i].serial, GPARAM_DET_RY), f);
if ( groups[i].hierarchy_level > 0 ) {
fprintf(fh, "%i 0 %i\n", mille_label(groups[i].serial, GPARAM_DET_RZ), f);
} else {
/* No overall rotation around beam */
fprintf(fh, "%i 0 -1\n", mille_label(groups[i].serial, GPARAM_DET_RZ));
}
}
fprintf(fh, "\n");
fprintf(fh, "method inversion 5 0.1\n");
fprintf(fh, "end\n");
fclose(fh);
r = system("pede millepede.txt");
if ( r == -1 ) {
ERROR("Failed to run Millepde: %s\n", strerror(errno));
return 1;
}
if ( !WIFEXITED(r) ) {
ERROR("Millepede exited abnormally.\n");
return 1;
}
if ( WEXITSTATUS(r) != 0 ) {
ERROR("Millepede returned an error status (%i)\n", WEXITSTATUS(r));
return 1;
}
STATUS("Millepede succeeded.\n");
fh = fopen("millepede.res", "r");
if ( fh == NULL ) {
ERROR("Failed to open millepede.res\n");
return 1;
}
if ( fgets(line, 256, fh) != line ) {
ERROR("Failed to read first line of millepede.res\n");
return 1;
}
if ( strncmp(line, " Parameter ", 11) != 0 ) {
ERROR("First line of millepede.res is not as expected.\n");
return 1;
}
do {
char **bits;
int i, n;
rval = fgets(line, 256, fh);
if ( rval != line ) continue;
chomp(line);
notrail(line);
n = assplode(line, " ", &bits, ASSPLODE_NONE);
if ( (n != 3) && (n != 5) ) {
ERROR("Didn't understand this line from Millepede: (%i) %s", n, line);
return 1;
}
for ( i=0; i<n; i++ ) free(bits[i]);
free(bits);
} while ( rval == line );
fclose(fh);
return 0;
}
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