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/*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <assert.h>
#include <sys/types.h>
#include <unistd.h>
#include "os-features.h"
#include "image2xy-files.h"
#include "log.h"
#include "errors.h"
#include "ioutils.h"
static const char* OPTIONS = "hi:Oo:8Hd:D:ve:B:S:M:s:p:P:bU:g:C:m:a:G:w:L:";
static void printHelp() {
fprintf(stderr,
"Usage: image2xy [options] fitsname.fits \n"
"\n"
"Read a FITS file, find objects, and write out \n"
"X, Y, FLUX to fitsname.xy.fits .\n"
"\n"
" [-e <extension>]: read from a single FITS extension\n"
" [-O] overwrite existing output file.\n"
" [-o <output-filename>] write XYlist to given filename.\n"
" [-L <Lanczos-order>]\n"
" [-8] don't use optimization for byte (u8) images.\n"
" [-H] downsample by a factor of 2 before running simplexy.\n"
" [-d <downsample-factor>] downsample by an integer factor before running simplexy.\n"
" [-D <downsample-factor>] downsample, if necessary, by this many factors of two.\n"
" [-s <median-filtering scale>]: set median-filter box size (default %i pixels)\n"
" [-w <PSF width>]: set Gaussian PSF sigma (default %g pixel)\n"
" [-g <sigma>]: set image noise level\n"
" [-p <sigmas>]: set significance level of peaks (default %g sigmas)\n"
" [-a <saddle-sigmas>]: set \"saddle\" level joining peaks (default %g sigmas)\n"
" [-P <image plane>]: pull out a single plane of a multi-color image (default: first plane)\n"
" [-b]: don't do (median-based) background subtraction\n"
" [-G <background>]: subtract this 'global' background value; implies -b\n"
" [-m]: set maximum extended object size for deblending (default %i pixels)\n"
"\n"
" [-S <background-subtracted image>]: save background-subtracted image to this filename (FITS float image)\n"
" [-B <background image>]: save background image to filename\n"
" [-U <smoothed background-subtracted image>]: save smoothed background-subtracted image to filename\n"
" [-M <mask image>]: save mask image to filename\n"
" [-C <blob-image>]: save connected-components image to filename\n"
"\n"
" [-v] verbose - repeat for more and more verboseness\n"
"\n"
" image2xy 'file.fits[1]' - process first extension.\n"
" image2xy 'file.fits[2]' - process second extension \n"
" image2xy file.fits+2 - same as above \n"
"\n",
SIMPLEXY_DEFAULT_HALFBOX,
SIMPLEXY_DEFAULT_DPSF,
SIMPLEXY_DEFAULT_PLIM,
SIMPLEXY_DEFAULT_SADDLE,
SIMPLEXY_DEFAULT_MAXSIZE);
}
int main(int argc, char *argv[]) {
int argchar;
char* outfn = NULL;
char* infn;
int overwrite = 0;
int loglvl = LOG_MSG;
anbool do_u8 = TRUE;
int downsample = 0;
int downsample_as_reqd = 0;
int extension = 0;
int plane = 0;
simplexy_t sparams;
simplexy_t* params = &sparams;
memset(params, 0, sizeof(simplexy_t));
while ((argchar = getopt (argc, argv, OPTIONS)) != -1) {
switch (argchar) {
case 'L':
params->Lorder = atoi(optarg);
break;
case 'w':
params->dpsf = atof(optarg);
break;
case 'a':
params->saddle = atof(optarg);
break;
case 'm':
params->maxsize = atoi(optarg);
break;
case 'g':
params->sigma = atof(optarg);
break;
case 'b':
params->nobgsub = TRUE;
break;
case 'G':
params->nobgsub = TRUE;
params->globalbg = atof(optarg);
break;
case 'P':
plane = atoi(optarg);
break;
case 's':
params->halfbox = atoi(optarg);
break;
case 'p':
params->plim = atof(optarg);
break;
case 'B':
params->bgimgfn = optarg;
break;
case 'S':
params->bgsubimgfn = optarg;
break;
case 'M':
params->maskimgfn = optarg;
break;
case 'U':
params->smoothimgfn = optarg;
break;
case 'C':
params->blobimgfn = optarg;
break;
case 'e':
extension = atoi(optarg);
break;
case 'D':
downsample_as_reqd = atoi(optarg);
break;
case 'H':
downsample = 2;
break;
case 'd':
downsample = atoi(optarg);
break;
case '8':
do_u8 = FALSE;
break;
case 'v':
loglvl++;
break;
case 'O':
overwrite = 1;
break;
case 'o':
outfn = strdup(optarg);
break;
case '?':
case 'h':
printHelp();
exit(0);
}
}
if (optind != argc - 1) {
printHelp();
exit(-1);
}
infn = argv[optind];
log_init(loglvl);
logverb("infile=%s\n", infn);
if (!outfn) {
// Create xylist filename (by trimming '.fits')
asprintf_safe(&outfn, "%.*s.xy.fits", (int)(strlen(infn)-5), infn);
logverb("outfile=%s\n", outfn);
}
if (overwrite && file_exists(outfn)) {
logverb("Deleting existing output file \"%s\"...\n", outfn);
if (unlink(outfn)) {
SYSERROR("Failed to delete existing output file \"%s\"", outfn);
exit(-1);
}
}
if (downsample)
logverb("Downsampling by %i\n", downsample);
if (image2xy_files(infn, outfn, do_u8, downsample, downsample_as_reqd,
extension, plane, params)) {
ERROR("image2xy failed.");
exit(-1);
}
free(outfn);
return 0;
}
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