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/*
* compare_hkl.c
*
* Compare reflection lists
*
* (c) 2006-2010 Thomas White <taw@physics.org>
*
* Part of CrystFEL - crystallography with a FEL
*
*/
#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 "sfac.h"
#include "reflections.h"
static void show_help(const char *s)
{
printf("Syntax: %s [options] -a <file1.hkl> -b <file2.hkl>\n\n", s);
printf(
"Compare intensity lists.\n"
"\n"
" -h, --help Display this help message.\n"
" -o, --output=<filename> Specify output filename for correction factor.\n"
"\n");
}
int main(int argc, char *argv[])
{
int c;
double *ref1;
double *ref2;
double *out;
struct molecule *mol;
char *outfile = NULL;
char *afile = NULL;
char *bfile = NULL;
signed int h, k, l;
/* Long options */
const struct option longopts[] = {
{"help", 0, NULL, 'h'},
{"output", 1, NULL, 'o'},
{0, 0, NULL, 0}
};
/* Short options */
while ((c = getopt_long(argc, argv, "ho:a:b:", longopts, NULL)) != -1) {
switch (c) {
case 'h' : {
show_help(argv[0]);
return 0;
}
case 'o' : {
outfile = strdup(optarg);
break;
}
case 'a' : {
afile = strdup(optarg);
break;
}
case 'b' : {
bfile = strdup(optarg);
break;
}
case 0 : {
break;
}
default : {
return 1;
}
}
}
if ( outfile == NULL ) {
ERROR("You must specify the output filename with -o\n");
return 1;
}
mol = load_molecule();
ref1 = read_reflections(afile);
if ( ref1 == NULL ) {
ERROR("Couldn't open file '%s'\n", afile);
return 1;
}
ref2 = read_reflections(bfile);
if ( ref2 == NULL ) {
ERROR("Couldn't open file '%s'\n", bfile);
return 1;
}
out = new_list_intensity();
for ( h=-INDMAX; h<INDMAX; h++ ) {
for ( k=-INDMAX; k<INDMAX; k++ ) {
for ( l=-INDMAX; l<INDMAX; l++ ) {
double i1, i2;
i1 = lookup_intensity(ref1, h, k, l);
i2 = lookup_intensity(ref2, h, k, l);
if ( (i1 != 0.0) && (i2 != 0.0) ) {
set_intensity(out, h, k, l, i1/i2);
}
}
}
}
write_reflections(outfile, NULL, out, 1, mol->cell);
return 0;
}
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