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/*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
/**
Quadidx: create .qidx files from .quad files.
A .quad file lists, for each quad, the stars comprising the quad.
A .qidx file lists, for each star, the quads that star is a member of.
Input: .quad
Output: .qidx
*/
#include <string.h>
#include "starutil.h"
#include "quadfile.h"
#include "qidxfile.h"
#include "bl.h"
#include "fitsioutils.h"
#include "boilerplate.h"
#include "log.h"
#include "errors.h"
static const char* OPTIONS = "hFi:o:cv";
static void printHelp(char* progname) {
BOILERPLATE_HELP_HEADER(stdout);
printf("\nUsage: %s -i <quad input> -o <qidx output>\n"
"\n"
" [-c]: run quadfile_check()\n"
" [-v]: add to verboseness\n"
"\n", progname);
}
int main(int argc, char *argv[]) {
char* progname = argv[0];
int argidx, argchar;
char *idxfname = NULL;
char *quadfname = NULL;
il** quadlist;
quadfile_t* quads;
qidxfile* qidx;
int q;
int i;
int numused;
qfits_header* quadhdr;
qfits_header* qidxhdr;
int dimquads;
anbool check = FALSE;
int loglvl = LOG_MSG;
if (argc <= 2) {
printHelp(progname);
exit(-1);
}
while ((argchar = getopt (argc, argv, OPTIONS)) != -1)
switch (argchar) {
case 'c':
check = TRUE;
break;
case 'v':
loglvl++;
break;
case 'i':
quadfname = optarg;
break;
case 'o':
idxfname = optarg;
break;
case '?':
fprintf(stderr, "Unknown option `-%c'.\n", optopt);
case 'h':
printHelp(progname);
exit(-1);
default:
return (OPT_ERR);
}
log_init(loglvl);
if (optind < argc) {
for (argidx = optind; argidx < argc; argidx++)
fprintf (stderr, "Non-option argument %s\n", argv[argidx]);
printHelp(progname);
exit(-1);
}
logmsg("quadidx: indexing quads in \"%s\"...\n", quadfname);
logmsg("will write to file \"%s\".\n", idxfname);
quads = quadfile_open(quadfname);
if (!quads) {
ERROR("Couldn't open quads file \"%s\"", quadfname);
exit(-1);
}
logmsg("%u quads, %u stars.\n", quads->numquads, quads->numstars);
if (check) {
logmsg("Running quadfile_check()...\n");
if (quadfile_check(quads)) {
ERROR("quadfile_check() failed");
exit(-1);
}
logmsg("Check passed.\n");
}
quadlist = calloc(quads->numstars, sizeof(il*));
if (!quadlist) {
SYSERROR("Failed to allocate list of quad contents");
exit(-1);
}
dimquads = quadfile_dimquads(quads);
for (q=0; q<quads->numquads; q++) {
unsigned int inds[dimquads];
quadfile_get_stars(quads, q, inds);
// append this quad index to the lists of each of its stars.
for (i=0; i<dimquads; i++) {
il* list;
int starind = inds[i];
list = quadlist[starind];
// create the list if necessary
if (!list) {
list = il_new(10);
quadlist[starind] = list;
}
il_append(list, q);
}
}
// first count numused:
// how many stars are members of quads.
numused = 0;
for (i=0; i<quads->numstars; i++) {
il* list = quadlist[i];
if (!list) continue;
numused++;
}
logmsg("%u stars used\n", numused);
qidx = qidxfile_open_for_writing(idxfname, quads->numstars, quads->numquads);
if (!qidx) {
logmsg("Couldn't open outfile qidx file %s.\n", idxfname);
exit(-1);
}
quadhdr = quadfile_get_header(quads);
qidxhdr = qidxfile_get_header(qidx);
an_fits_copy_header(quadhdr, qidxhdr, "INDEXID");
an_fits_copy_header(quadhdr, qidxhdr, "HEALPIX");
BOILERPLATE_ADD_FITS_HEADERS(qidxhdr);
qfits_header_add(qidxhdr, "HISTORY", "This file was created by the program \"quadidx\".", NULL, NULL);
qfits_header_add(qidxhdr, "HISTORY", "quadidx command line:", NULL, NULL);
fits_add_args(qidxhdr, argv, argc);
qfits_header_add(qidxhdr, "HISTORY", "(end of quadidx command line)", NULL, NULL);
qfits_header_add(qidxhdr, "HISTORY", "** History entries copied from the input file:", NULL, NULL);
fits_copy_all_headers(quadhdr, qidxhdr, "HISTORY");
qfits_header_add(qidxhdr, "HISTORY", "** End of history entries.", NULL, NULL);
if (qidxfile_write_header(qidx)) {
logmsg("Couldn't write qidx header (%s).\n", idxfname);
exit(-1);
}
for (i=0; i<quads->numstars; i++) {
int thisnumq;
//int thisstar;
int* stars; // bad variable name - list of quads this star is in.
il* list = quadlist[i];
if (list) {
thisnumq = (uint)il_size(list);
stars = malloc(thisnumq * sizeof(uint));
il_copy(list, 0, thisnumq, (int*)stars);
} else {
thisnumq = 0;
stars = NULL;
}
//thisstar = i;
if (qidxfile_write_star(qidx, stars, thisnumq)) {
logmsg("Couldn't write star to qidx file (%s).\n", idxfname);
exit(-1);
}
if (list) {
free(stars);
il_free(list);
quadlist[i] = NULL;
}
}
free(quadlist);
quadfile_close(quads);
if (qidxfile_close(qidx)) {
logmsg("Failed to close qidx file.\n");
exit(-1);
}
logmsg(" done.\n");
return 0;
}
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