Initial commit

1 files changed, 246 insertions, 0 deletions

diff --git a/noao/digiphot/daophot/group/t_group.x b/noao/digiphot/daophot/group/t_group.x
new file mode 100644
index 00000000..5596c0b3
--- /dev/null
+++ b/noao/digiphot/daophot/group/t_group.x
@@ -0,0 +1,246 @@
+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