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include <gset.h>
include <ctype.h>
include <imhdr.h>
include "../lib/daophotdef.h"
include "../lib/apseldef.h"
include "../lib/psfdef.h"
define HELPFILE "daophot$psf/mkpsf.key"
# DP_MKPSF -- Construct a stellar PSF from one or more stars in an image frame.
procedure dp_mkpsf (dao, im, psfim, opst, psfgr, gd, mgd, id, mkstars,
interactive, showplots)
pointer dao # pointer to the main daophot structure
pointer im # pointer to the input image
pointer psfim # pointer to the output psfimage
int opst # the psf star list file descriptor
int psfgr # the psf group file descriptor
pointer gd # pointer to graphics descriptor
pointer mgd # pointer to the metacode file
pointer id # pointer to image display stream
bool mkstars # mark the added and deleted psf stars
bool interactive # interactive mode
bool showplots # show the plots
real wx, wy
pointer apsel, sp, cmd, str
int i, key, wcs, idnum, istar, ip, npsf, verbose
bool psf_new, psf_computed, psf_written
real dp_pstatr()
int clgcur(), dp_qverify(), dp_locstar(), dp_idstar(), dp_stati()
int dp_pstati(), ctoi(), dp_addstar(), dp_delstar(), dp_subpsf()
int dp_fitpsf()
bool dp_updatepsf()
begin
# Get some pointers
apsel = DP_APSEL(dao)
# Allocate some working space.
call smark (sp)
call salloc (str, SZ_LINE, TY_CHAR)
call salloc (cmd, SZ_LINE, TY_CHAR)
# Initialize some variables.
key = 'a'
if (dp_pstati (dao, PNUM) > 0)
psf_new = false
else
psf_new = true
psf_computed = false
psf_written = false
# Begin to build the PSF.
while (clgcur ("icommands", wx, wy, wcs, key, Memc[cmd], SZ_LINE) !=
EOF) {
# Convert coordinates if necessary.
call dp_vtol (im, wx, wy, wx, wy, 1)
switch (key) {
# Quit the interactive cursor loop.
case 'q':
if (interactive) {
if (dp_qverify (dao, im, psfim, opst, psfgr, psf_new,
psf_computed, psf_written) == NO)
next
} else if (dp_updatepsf (dao, im, psfim, opst, psfgr, psf_new,
psf_computed, psf_written)) {
psf_computed = true
psf_written = true
}
# Delete any empty psf and group files lying around.
if (! psf_written)
call dp_rmpsf (dao, psfim, opst, psfgr)
# Delete the PSF stars.
call dp_pseti (dao, PNUM, 0)
break
# Print the help page.
case '?':
if (id == NULL)
call pagefile (HELPFILE, "")
else
call gpagefile (id, HELPFILE, "")
# Add the star nearest the cursor position to the PSF.
case 'a':
if (dp_addstar (dao, im, wx, wy, INDEFR, 0, gd, mgd,
showplots) == ERR)
next
psf_new = false
psf_computed = false
psf_written = false
if (mkstars && id != NULL) {
call gmark (id, dp_pstatr (dao, CUR_PSFX), dp_pstatr (dao,
CUR_PSFY), GM_PLUS, -5.0, -5.0)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
# Subtract the star nearest the cursor position from the PSF
# using the current best fit.
case 's':
if (psf_new) {
call printf ("The PSF star list is empty\n")
next
}
if (! psf_computed) {
call printf ("The PSF is not uptodate\n")
next
}
if (dp_subpsf (dao, im, wx, wy, 0, gd, mgd, showplots) == ERR)
next
if (dp_pstati (dao, PNUM) <= 0)
psf_new = true
psf_computed = false
psf_written = false
# Delete the star nearest the cursor position from the PSF.
case 'd':
if (dp_delstar (dao, im, wx, wy, 0, gd, showplots) == ERR)
next
if (dp_pstati (dao, PNUM) <= 0)
psf_new = true
psf_computed = false
psf_written = false
if (mkstars && id != NULL) {
call gmark (id, dp_pstatr (dao, CUR_PSFX), dp_pstatr (dao,
CUR_PSFY), GM_CROSS, -5.0, -5.0)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
# List all the current psf stars.
case 'l':
if (interactive)
call dp_listpsf (dao, im)
# Fit the PSF.
case 'f':
# Reread the stars is necessary.
if (dp_pstati (dao, PNUM) > 0 && (psf_new || psf_computed)) {
npsf = dp_pstati (dao, PNUM)
call dp_pseti (dao, PNUM, 0)
call dp_reinit (dao)
verbose = dp_stati (dao, VERBOSE)
call dp_seti (dao, VERBOSE, NO)
do i = 1, npsf
if (dp_addstar (dao, im, wx, wy, INDEFR,
Memi[DP_APID(apsel)+i-1], gd, mgd,
false) == OK)
psf_new = false
call dp_seti (dao, VERBOSE, verbose)
}
# Fit the psf.
if (psf_new) {
call printf ("The PSF star list is empty\n")
} else if (dp_fitpsf (dao, im, Memc[str], SZ_LINE) == OK) {
psf_computed = true
} else {
call printf ("%s\n")
call pargstr (Memc[str])
}
# Review the fit.
case 'r':
if (psf_new) {
call printf ("The PSF star list is empty\n")
} else if (! psf_computed) {
call printf ("The PSF is not uptodate\n")
} else {
i = 1
repeat {
if (dp_subpsf (dao, im, wx, wy,
Memi[DP_APID(apsel)+i-1], gd, mgd,
showplots) == OK) {
if (dp_pstati (dao, PNUM) <= 0)
psf_new = true
psf_computed = false
psf_written = false
} else
i = i + 1
} until (i > dp_pstati(dao, PNUM))
}
# Rebuild the PSF from scratch.
case 'z':
# Print message.
if (interactive) {
call dp_stats (dao, OUTPHOTFILE, Memc[str], SZ_FNAME)
call printf (
"PSF star list, image, and output files deleted\n")
}
# Delete the previous psf an dgroup files if any.
call dp_rmpsf (dao, psfim, opst, psfgr)
# Delete the PSF stars.
call dp_pseti (dao, PNUM, 0)
# Reopen the psf image and group files.
call dp_oppsf (dao, psfim, opst, psfgr)
# Reset the reduction flags.
psf_new = true
psf_computed = false
psf_written = false
# Write out the PSF.
case 'w':
if (dp_updatepsf (dao, im, psfim, opst, psfgr, psf_new,
psf_computed, psf_written)) {
psf_computed = true
psf_written = true
}
# Locate the star in the aperture photometry file and print out
# the photometry.
case 'p':
if (interactive)
istar = dp_locstar (dao, im, wx, wy)
else
next
if (istar > 0)
call dp_pshow (dao, im, istar)
else if (istar == 0)
call printf ("Star not found in the photometry file.\n")
else
call printf (
"Star off or too near the edge of the image.\n")
# Command mode
case ':':
for (ip = 1; IS_WHITE(Memc[cmd+ip-1]); ip = ip + 1)
;
switch (Memc[cmd+ip-1]) {
case 'p':
if (Memc[cmd+ip] != EOS && Memc[cmd+ip] != ' ') {
call dp_pcolon (dao, psfim, opst, psfgr, Memc[cmd],
psf_new, psf_computed, psf_written)
next
}
if (! interactive)
next
ip = ip + 1
if (ctoi (Memc[cmd], ip, idnum) <= 0)
istar = dp_locstar (dao, im, wx, wy)
else
istar = dp_idstar (dao, im, idnum)
if (istar > 0)
call dp_pshow (dao, im, istar)
else if (istar == 0)
call printf (
"Star not found in the photometry file\n")
else
call printf (
"Star is off or too near the edge of the image.\n")
case 'a':
if (Memc[cmd+ip] != EOS && Memc[cmd+ip] != ' ') {
call dp_pcolon (dao, psfim, opst, psfgr, Memc[cmd],
psf_new, psf_computed, psf_written)
next
}
ip = ip + 1
if (ctoi (Memc[cmd], ip, idnum) <= 0)
idnum = 0
if (dp_addstar (dao, im, wx, wy, INDEFR, idnum, gd, mgd,
showplots) == ERR)
next
psf_new = false
psf_computed = false
psf_written = false
if (mkstars && id != NULL) {
call gmark (id, dp_pstatr (dao, CUR_PSFX),
dp_pstatr (dao, CUR_PSFY), GM_PLUS, -5.0, -5.0)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
case 's':
if (Memc[cmd+ip] != EOS && Memc[cmd+ip] != ' ') {
call dp_pcolon (dao, psfim, opst, psfgr, Memc[cmd],
psf_new, psf_computed, psf_written)
next
}
ip = ip + 1
if (ctoi (Memc[cmd], ip, idnum) <= 0)
idnum = 0
if (! psf_computed) {
call printf ("The PSF has not been fit\n")
next
}
if (! psf_computed) {
call printf ("Warning: The PSF is not uptodate\n")
next
}
if (dp_subpsf (dao, im, wx, wy, idnum, gd, mgd,
showplots) == ERR)
next
if (dp_pstati (dao, PNUM) <= 0)
psf_new = true
psf_computed = false
psf_written = false
case 'd':
if (Memc[cmd+ip] != EOS && Memc[cmd+ip] != ' ') {
call dp_pcolon (dao, psfim, opst, psfgr, Memc[cmd],
psf_new, psf_computed, psf_written)
next
}
ip = ip + 1
if (ctoi (Memc[cmd], ip, idnum) <= 0)
idnum = 0
if (dp_delstar (dao, im, wx, wy, idnum, gd,
showplots) == ERR)
next
if (dp_pstati (dao, PNUM) <= 0)
psf_new = true
psf_computed = false
psf_written = false
if (mkstars && id != NULL) {
call gmark (id, dp_pstatr (dao, CUR_PSFX),
dp_pstatr (dao, CUR_PSFY), GM_CROSS, -5.0, -5.0)
if (gd == id)
call gflush (id)
else
call gframe (id)
}
default:
call dp_pcolon (dao, psfim, opst, psfgr, Memc[cmd],
psf_new, psf_computed, psf_written)
}
default:
call printf ("Unknown keystroke command\n")
}
}
# Free up memory.
call sfree (sp)
end
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