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include <fset.h>
include <imhdr.h>
include "../lib/daophotdef.h"
# T_GROUP -- Procedure to divide the stars in a photometry table into
# natural groups based on the magnitude level at which they overlap.
procedure t_group ()
pointer image # name of the image
pointer apfile # aperture photometry file
pointer psfimage # name of the output PSF
pointer groupfile # output group table
pointer sp, im, dao, outfname, str
int apd, root, cache, verbose, verify, update, grp, tp, wcs
int imlist, limlist, alist, lalist, pimlist, lpimlist, olist, lolist
int req_size, old_size, buf_size, memstat
bool ap_text
pointer immap(), tbtopn()
int access(), fnldir(), strlen(), strncmp(), fstati(), btoi()
int imtopen(), imtlen(), imtgetim(), fntopnb(), fntlenb(), fntgfnb()
int open(), 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)
# Get some memory.
call smark (sp)
call salloc (image, SZ_FNAME, TY_CHAR)
call salloc (apfile, SZ_FNAME, TY_CHAR)
call salloc (psfimage, SZ_FNAME, TY_CHAR)
call salloc (groupfile, SZ_FNAME, TY_CHAR)
call salloc (outfname, SZ_FNAME, TY_CHAR)
call salloc (str, SZ_FNAME, TY_CHAR)
# Get the various task parameters.
call clgstr ("image", Memc[image], SZ_FNAME)
call clgstr ("photfile", Memc[apfile], SZ_FNAME)
call clgstr ("psfimage", Memc[psfimage], SZ_FNAME)
call clgstr ("groupfile", Memc[groupfile], SZ_FNAME)
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[apfile], NO)
lalist = fntlenb (alist)
pimlist = imtopen (Memc[psfimage])
lpimlist = imtlen (pimlist)
olist = fntopnb (Memc[groupfile], NO)
lolist = fntlenb (olist)
# 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[apfile], DEF_DEFNAME,
DEF_LENDEFNAME) != 0)) {
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
call sfree (sp)
call error (0,
"Incompatible image and photometry 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 sfree (sp)
call error (0,
"Incompatible image and psf file list lengths")
}
if ((limlist != lolist) && (strncmp (Memc[groupfile], DEF_DEFNAME,
DEF_LENDEFNAME) != 0)) {
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
call sfree (sp)
call error (0,
"Incompatible image and group file list lengths")
}
# Initialize the daophot structure and get the pset parameters.
call dp_gppars (dao)
call dp_seti (dao, VERBOSE, verbose)
# Optionally verify and update the parameters.
if (verify == YES) {
call dp_gconfirm (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)
# Open the PSF structure.
call dp_fitsetup (dao)
# Open the photometry list structure.
call dp_apselsetup (dao)
# Loop over the image list.
while (imtgetim (imlist, Memc[image], SZ_FNAME) != EOF) {
# Open input image and grab some header parameters.
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 input photometry list and read in the photometry.
if (fntgfnb (alist, Memc[apfile], SZ_FNAME) == EOF)
call strcpy (DEF_DEFNAME, Memc[apfile], SZ_FNAME)
root = fnldir (Memc[apfile], Memc[outfname], SZ_FNAME)
if (strncmp (DEF_DEFNAME, Memc[apfile+root],
DEF_LENDEFNAME) == 0 || root == strlen (Memc[apfile]))
call dp_inname (Memc[image], Memc[outfname], "mag",
Memc[outfname], SZ_FNAME)
else
call strcpy (Memc[apfile], Memc[outfname], SZ_FNAME)
ap_text = itob (access (Memc[outfname], 0, TEXT_FILE))
if (ap_text)
apd = open (Memc[outfname], READ_ONLY, TEXT_FILE)
else
apd = tbtopn (Memc[outfname], READ_ONLY, 0)
call dp_wgetapert (dao, im, apd, DP_MAXNSTAR(dao), ap_text)
call dp_sets (dao, INPHOTFILE, Memc[outfname])
# Read the PSF.
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)
tp = immap (Memc[outfname], READ_ONLY, 0)
call dp_readpsf (dao, tp)
call dp_sets (dao, PSFIMAGE, Memc[outfname])
# Open output GROUP file. If the output is "default", dir$default
# or a directory specification then the extension "grp" is added to
# the image name and a suitable version number is appended to the
# output name.
if (fntgfnb (olist, 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_outname (Memc[image], Memc[outfname], "grp",
Memc[outfname], SZ_FNAME)
else
call strcpy (Memc[groupfile], Memc[outfname], SZ_FNAME)
if (DP_TEXT(dao) == YES)
grp = open (Memc[outfname], NEW_FILE, TEXT_FILE)
else
grp = tbtopn (Memc[outfname], NEW_FILE, 0)
call dp_sets (dao, OUTPHOTFILE, Memc[outfname])
# Now go and group the stars.
call dp_mkgroup (dao, im, grp)
# Close up the input image.
call imunmap (im)
# Close up the photometry file.
if (ap_text)
call close (apd)
else
call tbtclo (apd)
# Close up the PSF image.
call imunmap (tp)
# Close up the group table.
if (DP_TEXT(dao) == YES)
call close (grp)
else
call tbtclo (grp)
# Uncache memory.
call fixmem (old_size)
}
# Close the image/file lists.
call imtclose (imlist)
call fntclsb (alist)
call imtclose (pimlist)
call fntclsb (olist)
# Free the photometry structure
call dp_apclose (dao)
# Free the PSF structure.
call dp_fitclose (dao)
# Free the daophot structure.
call dp_free (dao)
call sfree(sp)
end
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