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/*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
#include <math.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <stdint.h>
#include <limits.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <assert.h>
#include "boilerplate.h"
#include "errors.h"
#include "log.h"
#include "build-index.h"
#include "wcs-xy2rd.h"
#include "rdlist.h"
#include "sip.h"
#include "sip_qfits.h"
#include "healpix.h"
const char* OPTIONS = "hvx:w:l:u:o:d:I:N:p:R:L:Mn:U:S:f:r:J:X:Y:";
static void print_help(char* progname) {
BOILERPLATE_HELP_HEADER(stdout);
printf("\nUsage: %s\n"
" -x <input-xylist> input: source positions; assumed sorted by brightness\n"
" -w <input-wcs> input: WCS file for sources\n"
" -o <output-index> output filename for index\n"
" [-X <x-column-name>]\n"
" [-Y <y-column-name>]\n"
" [-l <min-quad-size>]: minimum fraction of the image size (diagonal) to make quads (default 0.05)\n"
" [-u <max-quad-size>]: maximum fraction of the image size (diagonal) to make quads (default 1.0)\n"
" [-d <dimquads>] number of stars in a \"quad\" (default 4).\n"
" [-N <number of healpixels]: number of healpix grid cells to put in the image (default 10)\n"
" [-I <unique-id>] set the unique ID of this index\n"
" [-S]: sort column (default: assume already sorted)\n"
" [-f]: sort in descending order (eg, for FLUX); default ascending (eg, for MAG)\n"
" [-U]: healpix Nside for uniformization (default: same as -N)\n"
" [-n <sweeps>] (ie, number of stars per fine healpix grid cell); default 10\n"
" [-r <dedup-radius>]: deduplication radius in arcseconds; default no deduplication\n"
" [-p <passes>] number of rounds of quad-building (ie, # quads per healpix cell, default 16)\n"
" [-R <reuse-times>] number of times a star can be used (default 8).\n"
" [-L <max-reuses>] make extra passes through the healpixes, increasing the \"-r\" reuse (default 20)\n"
" limit each time, up to \"max-reuses\".\n"
" [-M]: in-memory (don't use temp files)\n"
" [-J <jitter-in-pixels>]: set positional error of index stars, in pixels (default 1)\n"
"\n"
" [-v]: add verbosity.\n"
"\n", progname);
}
int main(int argc, char** argv) {
int argchar;
char* xylsfn = NULL;
char* wcsfn = NULL;
char* indexfn = NULL;
double lowf = 0.1;
double highf = 1.0;
int loglvl = LOG_MSG;
int i;
int nhp = 10;
int Nside;
sl* tempfiles;
char* tempdir = "/tmp";
int wcsext = 0;
char* rdlsfn;
sip_t sip;
double diagpix, diag, pscale;
index_params_t myip;
index_params_t* ip = &myip;
double jitterpix = 1.0;
char* xcol = NULL;
char* ycol = NULL;
build_index_defaults(ip);
while ((argchar = getopt (argc, argv, OPTIONS)) != -1)
switch (argchar) {
case 'X':
xcol = optarg;
break;
case 'Y':
ycol = optarg;
break;
case 'J':
jitterpix = atof(optarg);
break;
case 'L':
ip->Nloosen = atoi(optarg);
break;
case 'R':
ip->Nreuse = atoi(optarg);
break;
case 'p':
ip->passes = atoi(optarg);
break;
case 'M':
ip->inmemory = TRUE;
break;
case 'U':
ip->UNside = atoi(optarg);
break;
case 'S':
ip->sortcol = optarg;
break;
case 'f':
ip->sortasc = FALSE;
break;
case 'n':
ip->sweeps = atoi(optarg);
break;
case 'r':
ip->dedup = atof(optarg);
break;
case 'N':
nhp = atoi(optarg);
break;
case 'v':
loglvl++;
break;
case 'd':
ip->dimquads = atoi(optarg);
break;
case 'I':
ip->indexid = atoi(optarg);
break;
case 'h':
print_help(argv[0]);
exit(0);
case 'x':
xylsfn = optarg;
break;
case 'w':
wcsfn = optarg;
break;
case 'o':
indexfn = optarg;
break;
case 'u':
highf = atof(optarg);
break;
case 'l':
lowf = atof(optarg);
break;
default:
return -1;
}
log_init(loglvl);
if (!xylsfn || !wcsfn || !indexfn) {
printf("Specify in & out filenames, bonehead!\n");
print_help(argv[0]);
exit( -1);
}
if (optind != argc) {
print_help(argv[0]);
printf("\nExtra command-line args were given: ");
for (i=optind; i<argc; i++) {
printf("%s ", argv[i]);
}
printf("\n");
exit(-1);
}
tempfiles = sl_new(4);
// wcs-xy2rd
rdlsfn = create_temp_file("rdls", tempdir);
sl_append_nocopy(tempfiles, rdlsfn);
logmsg("Writing RA,Decs to %s\n", rdlsfn);
if (wcs_xy2rd(wcsfn, wcsext, xylsfn, rdlsfn, xcol, ycol, FALSE, FALSE, NULL)) {
ERROR("Failed to convert xylist to rdlist");
exit(-1);
}
// compute quad size range.
// read WCS.
if (!sip_read_tan_or_sip_header_file_ext(wcsfn, wcsext, &sip, FALSE)) {
ERROR("Failed to read WCS file %s", wcsfn);
exit(-1);
}
// in pixels
diagpix = hypot(sip.wcstan.imagew, sip.wcstan.imageh);
// arcsec / pix
pscale = sip_pixel_scale(&sip);
// in arcsec
diag = diagpix * pscale;
// in arcmin
ip->qlo = arcsec2arcmin(lowf * diag);
ip->qhi = arcsec2arcmin(highf * diag);
logmsg("Image is %i x %i pixels\n", (int)sip.wcstan.imagew, (int)sip.wcstan.imageh);
logmsg("Setting quad scale range to [%g, %g] pixels, [%g, %g] arcsec ([%g, %g] arcmin)\n",
diagpix * lowf, diagpix * highf, diag * lowf, diag * highf,
ip->qlo, ip->qhi);
ip->jitter = pscale * jitterpix;
// number of healpixes:
logmsg("Image area: %g arcsec^2\n", sip.wcstan.imagew * sip.wcstan.imageh * pscale*pscale);
logmsg(" %g arcsec\n", sqrt(sip.wcstan.imagew * sip.wcstan.imageh * pscale*pscale));
logmsg(" %g arcmin\n", arcsec2arcmin(sqrt(sip.wcstan.imagew * sip.wcstan.imageh * pscale*pscale)));
logmsg("Desired hp area: %g arcsec^2\n", sip.wcstan.imagew * sip.wcstan.imageh * pscale*pscale / (double)nhp);
logmsg(" %g arcsec\n", sqrt(sip.wcstan.imagew * sip.wcstan.imageh * pscale*pscale / (double)nhp));
logmsg(" %g arcmin\n", arcsec2arcmin(sqrt(sip.wcstan.imagew * sip.wcstan.imageh * pscale*pscale / (double)nhp)));
Nside = (int)ceil(healpix_nside_for_side_length_arcmin(arcsec2arcmin(sqrt(sip.wcstan.imagew * sip.wcstan.imageh * pscale*pscale / (double)nhp))));
logverb("Chose healpix Nside=%i, side length %g arcmin\n", Nside, healpix_side_length_arcmin(Nside));
ip->Nside = Nside;
ip->scanoccupied = TRUE;
if (build_index_files(rdlsfn, indexfn, ip)) {
exit(-1);
}
// allquads
/*
{
allquads_t* aq;
qfits_header* hdr;
aq = allquads_init();
aq->dimquads = dimquads;
aq->dimcodes = dimquad2dimcode(aq->dimquads);
aq->id = id;
aq->quadfn = quadfn;
aq->codefn = codefn;
aq->skdtfn = skdtfn;
aq->quad_d2_lower = arcsec2distsq(diag * lowf);
aq->quad_d2_upper = arcsec2distsq(diag * highf);
aq->use_d2_lower = TRUE;
aq->use_d2_upper = TRUE;
if (allquads_open_outputs(aq)) {
exit(-1);
}
hdr = codefile_get_header(aq->codes);
qfits_header_add(hdr, "CIRCLE", "T", "Codes live in the circle", NULL);
if (allquads_create_quads(aq) ||
allquads_close(aq)) {
exit(-1);
}
allquads_free(aq);
}
*/
printf("Done.\n");
return 0;
}
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