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include <fset.h>
include <imhdr.h>
include "../lib/daophotdef.h"
# T_NSTAR -- Procedure to fit the PSF to multiple stars.
procedure t_nstar ()
pointer image # input image descriptor
pointer groupfile # input group file descriptor
pointer psfimage # input PSF image descriptor
pointer nstarfile # output photometry file descriptor
pointer rejfile # output rejections file descriptor
int verbose # print messages
int verify # verify the critical parameters
int update # update the parameter set
int cache # cache the input image pixels
pointer sp, outfname, im, psfim, dao, str
int imlist, limlist, alist, lalist, pimlist, lpimlist, olist, lolist
int rlist, lrlist, root, grp, nst, rejfd, wcs, req_size, old_size
int buf_size, memstat
bool ap_text
pointer immap(), tbtopn()
int strlen(), strncmp(), fnldir(), fstati(), open(), btoi()
int access(), imtopen(), imtlen(), imtgetim(), fntopnb(), fntlenb()
int fntgfnb(), clgwrd(), sizeof(), dp_memstat()
bool clgetb(), itob()
begin
# Set the standard output to flush on newline.
if (fstati (STDOUT, F_REDIR) == NO)
call fseti (STDOUT, F_FLUSHNL, YES)
# Allocate working memory.
call smark (sp)
call salloc (image, SZ_FNAME, TY_CHAR)
call salloc (groupfile, SZ_FNAME, TY_CHAR)
call salloc (psfimage, SZ_FNAME, TY_CHAR)
call salloc (nstarfile, SZ_FNAME, TY_CHAR)
call salloc (rejfile, SZ_FNAME, TY_CHAR)
call salloc (outfname, SZ_FNAME, TY_CHAR)
call salloc (str, SZ_FNAME, TY_CHAR)
# Get the input and output file names.
call clgstr ("image", Memc[image], SZ_FNAME)
call clgstr ("groupfile", Memc[groupfile], SZ_FNAME)
call clgstr ("psfimage", Memc[psfimage], SZ_FNAME)
call clgstr ("nstarfile", Memc[nstarfile], SZ_FNAME)
call clgstr ("rejfile", Memc[rejfile], SZ_FNAME)
# Get the task mode parameters.
verbose = btoi (clgetb ("verbose"))
verify = btoi (clgetb ("verify"))
update = btoi (clgetb ("update"))
cache = btoi (clgetb ("cache"))
# Get the lists.
imlist = imtopen (Memc[image])
limlist = imtlen (imlist)
alist = fntopnb (Memc[groupfile], NO)
lalist = fntlenb (alist)
pimlist = imtopen (Memc[psfimage])
lpimlist = imtlen (pimlist)
olist = fntopnb (Memc[nstarfile], NO)
lolist = fntlenb (olist)
rlist = fntopnb (Memc[rejfile], NO)
lrlist = fntlenb (rlist)
# Test that the lengths of the photometry file, psf image, and
# output file lists are the same as the length of the input image
# list.
if ((limlist != lalist) && (strncmp (Memc[groupfile], DEF_DEFNAME,
DEF_LENDEFNAME) != 0)) {
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
call fntclsb (rlist)
call sfree (sp)
call error (0,
"Incompatable image and group file list lengths")
}
if ((limlist != lpimlist) && (strncmp (Memc[psfimage], DEF_DEFNAME,
DEF_LENDEFNAME) != 0)) {
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
call fntclsb (rlist)
call sfree (sp)
call error (0,
"Incompatable image and psf file list lengths")
}
if ((limlist != lolist) && (strncmp (Memc[nstarfile], DEF_DEFNAME,
DEF_LENDEFNAME) != 0)) {
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
call fntclsb (rlist)
call sfree (sp)
call error (0,
"Incompatable image and nstar file list lengths")
}
if ((lrlist > 0) && (limlist != lrlist) && (strncmp (Memc[rejfile],
DEF_DEFNAME, DEF_LENDEFNAME) != 0)) {
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
call fntclsb (rlist)
call sfree (sp)
call error (0,
"Incompatable image and rejections file list lengths")
}
# Open the daophot structure and get some parameters.
call dp_gppars (dao)
# Set some parameters.
call dp_seti (dao, VERBOSE, verbose)
# Verify and update the parameters if appropriate.
if (verify == YES) {
call dp_nconfirm (dao)
if (update == YES)
call dp_pppars (dao)
}
# Get the wcs information.
wcs = clgwrd ("wcsin", Memc[str], SZ_FNAME, WCSINSTR)
if (wcs <= 0) {
call eprintf (
"Warning: Setting the input coordinate system to logical\n")
wcs = WCS_LOGICAL
}
call dp_seti (dao, WCSIN, wcs)
wcs = clgwrd ("wcsout", Memc[str], SZ_FNAME, WCSOUTSTR)
if (wcs <= 0) {
call eprintf (
"Warning: Setting the output coordinate system to logical\n")
wcs = WCS_LOGICAL
}
call dp_seti (dao, WCSOUT, wcs)
wcs = clgwrd ("wcspsf", Memc[str], SZ_FNAME, WCSPSFSTR)
if (wcs <= 0) {
call eprintf (
"Warning: Setting the psf coordinate system to logical\n")
wcs = WCS_LOGICAL
}
call dp_seti (dao, WCSPSF, wcs)
# Initialize the photometry structure.
call dp_apsetup (dao)
# Initialize the PSF structure.
call dp_fitsetup (dao)
# Initialize the nstar structure.
call dp_nstarsetup (dao)
# Loop over the images.
while (imtgetim (imlist, Memc[image], SZ_FNAME) != EOF) {
# Open the input image.
im = immap (Memc[image], READ_ONLY, 0)
call dp_imkeys (dao, im)
call dp_sets (dao, INIMAGE, Memc[image])
# Cache the input image pixels.
req_size = MEMFUDGE * IM_LEN(im,1) * IM_LEN(im,2) *
sizeof (IM_PIXTYPE(im))
memstat = dp_memstat (cache, req_size, old_size)
if (memstat == YES)
call dp_pcache (im, INDEFI, buf_size)
# Open the input group table.
if (fntgfnb (alist, Memc[groupfile], SZ_FNAME) == EOF)
call strcpy (DEF_DEFNAME, Memc[groupfile], SZ_FNAME)
root = fnldir (Memc[groupfile], Memc[outfname], SZ_FNAME)
if (strncmp (DEF_DEFNAME, Memc[groupfile+root],
DEF_LENDEFNAME) == 0 || (root == strlen (Memc[groupfile])))
call dp_inname (Memc[image], Memc[outfname], "grp",
Memc[outfname], SZ_FNAME)
else
call strcpy (Memc[groupfile], Memc[outfname], SZ_FNAME)
ap_text = itob (access (Memc[outfname], 0, TEXT_FILE))
if (ap_text)
grp = open (Memc[outfname], READ_ONLY, TEXT_FILE)
else
grp = tbtopn (Memc[outfname], READ_ONLY, 0)
call dp_sets (dao, INPHOTFILE, Memc[outfname])
# Open and read the PSF image.
if (imtgetim (pimlist, Memc[psfimage], SZ_FNAME) == EOF)
call strcpy (DEF_DEFNAME, Memc[psfimage], SZ_FNAME)
root = fnldir (Memc[psfimage], Memc[outfname], SZ_FNAME)
if (strncmp (DEF_DEFNAME, Memc[psfimage+root],
DEF_LENDEFNAME) == 0 || (root == strlen (Memc[psfimage])))
call dp_iimname (Memc[image], Memc[outfname], "psf",
Memc[outfname], SZ_FNAME)
else
call strcpy (Memc[psfimage], Memc[outfname], SZ_FNAME)
psfim = immap (Memc[outfname], READ_ONLY, 0)
call dp_readpsf (dao, psfim)
call dp_sets (dao, PSFIMAGE, Memc[outfname])
# Open the output NSTAR file. If the output is DEF_DEFNAME,
# dir$default or a directory specification then the extension
# "nst" is added to the image name and a suitable version number
# is appended to the output name.
if (fntgfnb (olist, Memc[nstarfile], SZ_FNAME) == EOF)
call strcpy (DEF_DEFNAME, Memc[nstarfile], SZ_FNAME)
root = fnldir (Memc[nstarfile], Memc[outfname], SZ_FNAME)
if (strncmp (DEF_DEFNAME, Memc[nstarfile+root],
DEF_LENDEFNAME) == 0 || (root == strlen (Memc[nstarfile]))) {
call dp_outname (Memc[image], Memc[outfname], "nst",
Memc[outfname], SZ_FNAME)
} else
call strcpy (Memc[nstarfile], Memc[outfname], SZ_FNAME)
if (DP_TEXT(dao) == YES)
nst = open (Memc[outfname], NEW_FILE, TEXT_FILE)
else
nst = tbtopn (Memc[outfname], NEW_FILE, 0)
call dp_sets (dao, OUTPHOTFILE, Memc[outfname])
if (lrlist <= 0) {
rejfd = NULL
Memc[outfname] = EOS
} else {
if (fntgfnb (rlist, Memc[rejfile], SZ_FNAME) == EOF)
call strcpy (DEF_DEFNAME, Memc[rejfile], SZ_FNAME)
root = fnldir (Memc[rejfile], Memc[outfname], SZ_FNAME)
if (strncmp (DEF_DEFNAME, Memc[rejfile+root],
DEF_LENDEFNAME) == 0 || (root == strlen (Memc[rejfile])))
call dp_outname (Memc[image], Memc[outfname], "nrj",
Memc[outfname], SZ_FNAME)
else
call strcpy (Memc[rejfile], Memc[outfname], SZ_FNAME)
if (DP_TEXT(dao) == YES)
rejfd = open (Memc[outfname], NEW_FILE, TEXT_FILE)
else
rejfd = tbtopn (Memc[outfname], NEW_FILE, 0)
}
call dp_sets (dao, OUTREJFILE, Memc[outfname])
# Do the PSF fitting.
call dp_nphot (dao, im, grp, nst, rejfd, ap_text)
# Close the input image.
call imunmap (im)
# Close the group file.
if (ap_text)
call close (grp)
else
call tbtclo (grp)
# Close the PSF image.
call imunmap (psfim)
# Close the output photometry file.
if (DP_TEXT(dao) == YES)
call close (nst)
else
call tbtclo (nst)
# Close the output rejections file.
if (rejfd != NULL) {
if (DP_TEXT(dao) == YES)
call close (rejfd)
else
call tbtclo (rejfd)
}
# Uncache memory.
call fixmem (old_size)
}
# Close the image/file lists.
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
call fntclsb (rlist)
# Close the nstar structure.
call dp_nsclose (dao)
# Close the PSF structure.
call dp_fitclose (dao)
# Close the photometry structure.
call dp_apclose (dao)
# Free the daophot structure.
call dp_free (dao)
call sfree(sp)
end
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