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include <mach.h>
include <gset.h>
include <pkg/gtools.h>
include "../lib/apphotdef.h"
include "../lib/apphot.h"
include "../lib/noise.h"
include "../lib/centerdef.h"
include "../lib/center.h"
# AP_CPLOT -- Procedure to compute radial profile plots for the centering
# routine.
procedure ap_cplot (ap, sid, gd, makeplot)
pointer ap # the pointer to the apphot structure
int sid # the output sequence number of the star
pointer gd # the graphics stream
int makeplot # the make a plot ?
int nx, ny
pointer ctr, sp, str, r, gt
real xcenter, ycenter, xc, yc, rmin, rmax, imin, imax
real u1, u2, v1, v2, x1, x2, y1, y2
int apstati()
pointer ap_gtinit()
real apstatr()
begin
# Check for enabled graphics stream.
if (gd == NULL || makeplot == NO)
return
# Check for defined center.
xcenter = apstatr (ap, XCENTER)
ycenter = apstatr (ap, YCENTER)
if (IS_INDEFR(xcenter) || IS_INDEFR(ycenter))
return
# Check for a centering algorithm.
if (apstati (ap, CENTERFUNCTION) == AP_NONE)
return
# Get the pixel buffer parameters.
ctr = AP_PCENTER(ap)
nx = AP_CNX(ctr)
ny = AP_CNY(ctr)
if (AP_CTRPIX(ctr) == NULL || nx <= 0 || ny <= 0)
return
xc = AP_CXC(ctr) + (xcenter - apstatr (ap, CXCUR))
yc = AP_CYC(ctr) + (ycenter - apstatr (ap, CYCUR))
# Allocate working space.
call smark (sp)
call salloc (str, SZ_LINE, TY_CHAR)
call salloc (r, nx * ny, TY_REAL)
# Compute the radii and the plot limits.
call ap_ijtor2 (Memr[r], nx, ny, xc, yc)
call alimr (Memr[r], nx * ny, rmin, rmax)
call alimr (Memr[AP_CTRPIX(ctr)], nx * ny, imin, imax)
# Reactivate the work station.
call greactivate (gd, 0)
# Save old viewport and window coordinates.
call ggview (gd, u1, u2, v1, v2)
call ggwind (gd, x1, x2, y1, y2)
# Initialize the plot.
call apstats (ap, IMROOT, Memc[str], SZ_LINE)
call sprintf (Memc[str], SZ_LINE, "%s Star %d")
call pargstr (Memc[str])
call pargi (sid)
gt = ap_gtinit (Memc[str], apstatr (ap,OXINIT), apstatr (ap, OYINIT))
# Make the plot.
call gclear (gd)
call ap_cpset (gd, gt, ap, rmin, rmax, imin, imax)
if (apstati (ap, POSITIVE) == YES)
call ap_plotpts (gd, gt, Memr[r], Memr[AP_CTRPIX(ctr)], nx * ny,
rmin, rmax, imin + EPSILONR, imax, "plus")
else
call ap_plotpts (gd, gt, Memr[r], Memr[AP_CTRPIX(ctr)], nx * ny,
rmin, rmax, imin, imax - EPSILONR, "plus")
call ap_cpreset (gd, gt, ap, rmin, rmax, imin, imax)
call ap_cpannotate (gd, ap)
# Restore the viewport and window coordinates.
call gsview (gd, u1, u2, v1, v2)
call gswind (gd, x1, x2, y1, y2)
# Free the space.
call ap_gtfree (gt)
call gdeactivate (gd, 0)
call sfree (sp)
end
# AP_CPSET -- Procedure to set up the parameters for the center radial profile
# plot.
procedure ap_cpset (gd, gt, ap, xmin, xmax, ymin, ymax)
pointer gd # the graphics stream
pointer gt # the gtools pointer
pointer ap # the apphot pointer
real xmin, xmax # the minimum and maximum radial distance
real ymin, ymax # the minimum and maximum of y axis (ymin not used)
int fd
pointer sp, str, title
real scale, aspect, datalimit, skysigma, threshold, vx1, vx2, vy1, vy2
real cthreshold
int stropen(), apstati()
real apstatr(), gstatr()
begin
call smark (sp)
call salloc (str, SZ_LINE, TY_CHAR)
call salloc (title, SZ_LINE, TY_CHAR)
# Encode the parameter string.
fd = stropen (Memc[str], SZ_LINE, WRITE_ONLY)
call sysid (Memc[title], SZ_LINE)
call fprintf (fd, "%s\n")
call pargstr (Memc[title])
call fprintf (fd,
"Center: xc=%0.2f yc=%0.2f xerr=%0.2f yerr=%0.2f\n")
call pargr (apstatr (ap, OXCENTER))
call pargr (apstatr (ap, OYCENTER))
call pargr (apstatr (ap, XERR))
call pargr (apstatr (ap, YERR))
call gt_gets (gt, GTTITLE, Memc[title], SZ_LINE)
call fprintf (fd, "%s\n")
call pargstr (Memc[title])
call strclose (fd)
# Store some default plotting parameters.
scale = apstatr (ap, SCALE)
aspect = gstatr (gd, G_ASPECT)
call gsetr (gd, G_ASPECT, 0.75)
# Set the labels and window.
datalimit = apstatr (ap, CDATALIMIT)
skysigma = apstatr (ap, SKYSIGMA)
cthreshold = apstatr (ap, CTHRESHOLD)
if (IS_INDEFR(skysigma) || IS_INDEFR(cthreshold))
threshold = 0.0
else
threshold = cthreshold * skysigma
if (apstati (ap, POSITIVE) == YES) {
call gseti (gd, G_XDRAWAXES, 2)
call gswind (gd, xmin / scale, xmax / scale, datalimit + threshold,
datalimit + threshold + ymax)
call glabax (gd, Memc[str], "", "Intensity")
call gseti (gd, G_YDRAWAXES, 0)
call gseti (gd, G_XDRAWAXES, 1)
call ggview (gd, vx1, vx2, vy1, vy2)
call gswind (gd, vx1, vx2, vy1, vy2)
call gswind (gd, xmin, xmax, datalimit + threshold,
datalimit + threshold + ymax)
call glabax (gd, "",
"Radial Distance (lower-pixels, upper-scale units)", "")
} else {
call gseti (gd, G_XDRAWAXES, 2)
call gswind (gd, xmin / scale, xmax / scale, datalimit -
threshold - ymax, datalimit - threshold)
call glabax (gd, Memc[str], "", "Intensity")
call gseti (gd, G_YDRAWAXES, 0)
call gseti (gd, G_XDRAWAXES, 1)
call ggview (gd, vx1, vx2, vy1, vy2)
call gswind (gd, vx1, vx2, vy1, vy2)
call gswind (gd, xmin, xmax, datalimit - threshold - ymax,
datalimit - threshold)
call glabax (gd, "",
"Radial Distance (lower-pixels, upper-scale units)", "")
}
# Set the window up for plotting the data.
call gseti (gd, G_YDRAWAXES, 3)
call gseti (gd, G_XDRAWAXES, 3)
call gsetr (gd, G_ASPECT, aspect)
call gt_sets (gt, GTTYPE, "mark")
call gt_setr (gt, GTXMIN, xmin)
call gt_setr (gt, GTXMAX, xmax)
if (apstati (ap, POSITIVE) == YES) {
call gt_setr (gt, GTYMIN, ymin)
call gt_setr (gt, GTYMAX, ymax)
} else {
call gt_setr (gt, GTYMIN, ymin)
call gt_setr (gt, GTYMAX, ymax)
}
call gt_swind (gd, gt)
call sfree (sp)
end
# AP_CPANNOTATE -- Procedure to annotate the radial plot in center.
procedure ap_cpannotate (gd, ap)
pointer gd # the graphics stream
pointer ap # the apphot structure
pointer sp, str
real fwhmpsf, capert, datalimit, threshold, skysigma, cthreshold
real xmin, xmax, ymin, ymax
int apstati()
real apstatr()
begin
# Allocate working space.
call smark (sp)
call salloc (str, SZ_LINE, TY_CHAR)
call gseti (gd, G_PLTYPE, GL_DASHED)
call ggwind (gd, xmin, xmax, ymin, ymax)
fwhmpsf = 0.5 * apstatr (ap, FWHMPSF) * apstatr (ap, SCALE)
capert = 2.0 * fwhmpsf * apstatr (ap, CAPERT)
datalimit = apstatr (ap, CDATALIMIT)
skysigma = apstatr (ap, SKYSIGMA)
cthreshold = apstatr (ap, CTHRESHOLD)
if (IS_INDEFR(skysigma) || IS_INDEFR(cthreshold))
threshold = 0.0
else
threshold = cthreshold * skysigma
if (apstati (ap, POSITIVE) == YES)
threshold = datalimit + threshold
else
threshold = datalimit - threshold
# Plot the full width half maximum of the radial profile.
if (fwhmpsf >= xmin && fwhmpsf <= xmax) {
call gamove (gd, fwhmpsf, ymin)
call gadraw (gd, fwhmpsf, ymax)
call sprintf (Memc[str], SZ_LINE, "hwhm = %0.2f")
call pargr (fwhmpsf)
call gtext (gd, fwhmpsf, ymax, Memc[str], "q=h;u=180;v=t;p=r")
}
# Mark the centering aperture.
if (capert >= xmin && capert <= xmax) {
call gamove (gd, capert, ymin)
call gadraw (gd, capert, ymax)
call sprintf (Memc[str], SZ_LINE, "cbox half-width = %0.2f")
call pargr (capert)
call gtext (gd, capert, ymax, Memc[str], "q=h;u=180;v=t;p=r")
}
# Mark the threshold level for centering.
call sprintf (Memc[str], SZ_LINE, "threshold = %g")
call pargr (threshold)
call gtext (gd, xmin, ymin, Memc[str], "q=h")
# Mark the sky sigma if defined.
if (! IS_INDEFR(skysigma) && skysigma >= ymin && skysigma <= ymax) {
call gmark (gd, (xmin + xmax) / 2.0, (ymin + ymax) / 2.0,
GM_VEBAR, -0.25, -skysigma)
call sprintf (Memc[str], SZ_LINE, "sigma = %g")
call pargr (skysigma)
call gtext (gd, (xmin + xmax) / 2.0, (ymin + ymax + skysigma) / 2.0,
Memc[str], "q=h;h=c")
}
call sfree (sp)
end
# AP_CPRSET -- Procedure to reset the plot window after the data points
# have been plotted.
procedure ap_cpreset (gd, gt, ap, xmin, xmax, ymin, ymax)
pointer gd # the graphics stream
pointer gt # the gtools pointer
pointer ap # the apphot pointer
real xmin, xmax # the minimum and maximum radial distance
real ymin, ymax # the minimum and maximum of the y axis (ymin not used)
real datalimit, skysigma, threshold, cthreshold
int apstati()
real apstatr()
begin
# Set the data window.
datalimit = apstatr (ap, CDATALIMIT)
skysigma = apstatr (ap, SKYSIGMA)
cthreshold = apstatr (ap, CTHRESHOLD)
if (IS_INDEFR(skysigma) || IS_INDEFR(cthreshold))
threshold = 0.0
else
threshold = cthreshold * skysigma
call gt_setr (gt, GTXMIN, xmin)
call gt_setr (gt, GTXMAX, xmax)
if (apstati (ap, POSITIVE) == YES) {
call gt_setr (gt, GTYMIN, datalimit + threshold)
call gt_setr (gt, GTYMAX, ymax + datalimit + threshold)
} else {
call gt_setr (gt, GTYMIN, datalimit - ymax - threshold)
call gt_setr (gt, GTYMAX, datalimit - threshold)
}
call gt_swind (gd, gt)
end
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