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include <fset.h>
include <ctype.h>
include <gset.h>
include "../lib/daophotdef.h"
include "../lib/apseldef.h"
include "../lib/psfdef.h"
define HELPFILE "daophot$psf/mkpsflist.key"
# DP_IPFSTARS -- Construct a stellar PSF from one or more stars in an image
# frame.
int procedure dp_ipfstars (dao, im, maxnpsf, lolimit, radius, gd, mgd, id,
mkstars, interactive, showplots)
pointer dao # pointer to DAOPHOT structure
pointer im # pointer to IRAF image
int maxnpsf # maximum number of psf stars
real lolimit # lower magnitude limit for stars
real radius # the confusion radius for good psf stars
pointer gd # pointer to graphics descriptor
pointer mgd # pointer to the metacode file
pointer id # pointer to image display stream
bool mkstars # marked the selected and deleted psf stars
bool interactive # interactive mode
bool showplots # show the plots
int key, nxstar, wcs, idnum, istar, ip
pointer apsel, sp, cmd, str
real wx, wy
real dp_pstatr()
int clgcur(), dp_pqverify(), dp_locstar(), dp_idstar(), dp_nxstar()
int dp_pstati(), ctoi(), dp_addstar(), dp_delstar()
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'
nxstar = 0
call dp_pseti (dao, PNUM, 0)
# Begin to build the PSF.
while (clgcur ("icommands", wx, wy, wcs, key, Memc[cmd], SZ_LINE) !=
EOF) {
# Correct for tv 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_pqverify() == YES)
break
} else
break
# Print the help page.
case '?':
if (id == NULL)
call pagefile (HELPFILE, "")
else
call gpagefile (id, HELPFILE, "")
# Add next candidate star to the PSF.
case 'n':
if (dp_pstati (dao, PNUM) >= maxnpsf) {
call printf ("Number of psf stars is >= to maxnpsf\n")
next
}
idnum = dp_nxstar (Memi[DP_APID(apsel)], Memr[DP_APXCEN(apsel)],
Memr[DP_APYCEN(apsel)], Memr[DP_APMSKY(apsel)],
Memr[DP_APMAG(apsel)], DP_APNUM(apsel), nxstar, lolimit,
radius)
if (idnum <= 0) {
call printf ("No more good psf stars in photometry list\n")
next
}
if (dp_addstar (dao, im, wx, wy, INDEFR, idnum, gd, mgd,
showplots) == ERR)
next
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)
}
# Add the star nearest the cursor position to the PSF.
case 'a':
if (dp_pstati (dao, PNUM) >= maxnpsf) {
call printf ("Number of psf stars is >= to maxnpsf\n")
next
}
if (dp_addstar (dao, im, wx, wy, INDEFR, 0, gd, mgd,
showplots) == ERR)
next
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)
}
# 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 (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)
# 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")
# Colon command mode.
case ':':
for (ip = 1; IS_WHITE(Memc[cmd+ip-1]); ip = ip + 1)
;
switch (Memc[cmd+ip-1]) {
case 'p':
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 (dp_pstati (dao, PNUM) >= maxnpsf) {
call printf (
"Number of psf stars is >= to maxnpsf\n")
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
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 'd':
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 (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 printf ("Unknown keystroke command\n")
}
default:
call printf ("Unknown keystroke command\n")
}
}
# Free up memory.
call sfree (sp)
return (dp_pstati (dao, PNUM))
end
define QUERY "[Hit return to continue, q to quit]"
# DP_PQVERIFY -- Print a message in the status line asking the user if they
# really want to quit, returning YES if they really want to quit, NO otherwise.
int procedure dp_pqverify ()
int ch
pointer tty
int getci()
pointer ttyodes()
begin
# Open terminal and print query.
tty = ttyodes ("terminal")
call ttyclearln (STDOUT, tty)
call ttyso (STDOUT, tty, YES)
call printf (QUERY)
call flush (STDOUT)
# Get character.
call fseti (STDIN, F_RAW, YES)
if (getci (STDIN, ch) == EOF)
;
# Reset and close terminal.
call fseti (STDIN, F_RAW, NO)
call ttyso (STDOUT, tty, NO)
call ttyclearln (STDOUT, tty)
call printf ("\n")
call flush (STDOUT)
call ttycdes (tty)
# Return YES for the quit command, otherwise NO.
if (ch == 'q') {
return (YES)
} else {
return (NO)
}
end
# DP_NXSTAR -- Select the next psf star form the photometry list.
int procedure dp_nxstar (ids, xcen, ycen, sky, mag, nstar, nxstar, lolimit,
radius)
int ids[ARB] # array of star ids
real xcen[ARB] # array of x coordinates
real ycen[ARB] # array of y coordinates
real sky[ARB] # array of sky values
real mag[ARB] # array of magnitudes
int nstar # the number of stars
int nxstar # the current star
real lolimit # lower data limit
real radius # minimum separation
bool omit
int istar, jstar
real radsq, dy2, dr2
begin
radsq = radius * radius
# Check the first star.
if ((mag[1] > lolimit) && (nxstar == 0)) {
nxstar = 1
return (ids[1])
}
# Loop over the candidate psf stars.
do istar = nxstar + 1, nstar {
# Test that the candidate psf stars are not saturated and
# are sufficiently far from the edge of the frame.
if (mag[istar] <= lolimit)
next
# Text that there are no brighter stars with a distance squared
# of radsq.
omit = false
do jstar = 1, istar - 1 {
dy2 = abs (ycen[jstar] - ycen[istar])
if (dy2 >= radius)
next
dr2 = (xcen[jstar] - xcen[istar]) ** 2 + dy2 ** 2
if (dr2 >= radsq)
next
omit = true
break
}
if (omit)
next
nxstar = istar
return (ids[istar])
}
return (0)
end
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