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include <imhdr.h>
include "rvpackage.h"
include "rvflags.h"
include "rvcont.h"
include "rvfilter.h"
# WRITE_CCF - Write the CCF image to disk.
procedure write_ccf (rv)
pointer rv #I RV struct pointer
pointer sp, bp
int imaccess(), access()
int stat, scan()
bool streq()
define err_ 99
define loop_ 98
begin
call smark (sp)
call salloc (bp, SZ_FNAME, TY_CHAR)
if (RV_CCFFILE(rv) == NULL) {
call malloc (RV_CCFFILE(rv), SZ_FNAME, TY_CHAR)
Memc[RV_CCFFILE(rv)] = EOS
}
call gargstr (Memc[bp], SZ_FNAME)
if (Memc[bp] != EOS)
call strcpy (Memc[bp], Memc[RV_CCFFILE(rv)], SZ_FNAME)
else {
loop_ call printf ("Output filename (%s): ")
call pargstr (Memc[RV_CCFFILE(rv)])
call flush (STDOUT)
stat = scan ()
call gargstr (Memc[bp], SZ_FNAME)
if (Memc[bp] != EOS && Memc[bp] != '\n')
call strcpy (Memc[bp], Memc[RV_CCFFILE(rv)], SZ_FNAME)
else if (streq("",Memc[RV_CCFFILE(rv)]) ||
streq(" ",Memc[RV_CCFFILE(rv)]))
goto loop_
}
if (RV_CCFTYPE(rv) == OUTPUT_TEXT) {
if (access (Memc[RV_CCFFILE(rv)], 0, 0) == YES) {
call printf ("Warning: File `%s' already exists.\n")
call pargstr (Memc[RV_CCFFILE(rv)])
call flush (STDOUT)
call tsleep (2)
goto loop_
}
call wrt_ccf_text(rv)
} else if (RV_CCFTYPE(rv) == OUTPUT_IMAGE) {
if (imaccess(Memc[RV_CCFFILE(rv)], 0) == YES) {
call printf ("Warning: Image `%s' already exists.\n")
call pargstr (Memc[RV_CCFFILE(rv)])
call flush (STDOUT)
call tsleep (2)
goto loop_
}
call wrt_ccf_image(rv)
}
err_ call sfree (sp)
end
# WRT_CCF_IMAGE - Write the ccf as an output image with appropriate header
# information.
procedure wrt_ccf_image (rv)
pointer rv #I RV struct pointer
pointer sp, x, im, buf, bp
pointer immap(), impl1r()
double rv_shift2vel()
errchk immap, impl1r
define err_ 99
begin
call smark (sp)
call salloc (x, RV_CCFNPTS(rv), TY_REAL)
call salloc (bp, SZ_FNAME, TY_CHAR)
# Open the image
iferr (im = immap(Memc[RV_CCFFILE(rv)], NEW_IMAGE, 2880)) {
call rv_errmsg ("Error opening ccf output image '%s'.")
call pargstr (Memc[RV_CCFFILE(rv)])
goto err_
}
# Set up the image parameters
IM_PIXTYPE(im) = TY_REAL
IM_NDIM(im) = 1
IM_LEN(im,1) = RV_CCFNPTS(rv)
call sprintf (IM_TITLE(im), SZ_IMTITLE, "Correlation Function")
# Now dump the data into the image
buf = impl1r (im)
call amovr (WRKPIXY(rv,1), Memr[buf], RV_CCFNPTS(rv))
# Add image header information
call imastr (im, "object", IMAGE(rv))
call imastr (im, "template", RIMAGE(rv))
call imaddi (im, "npts", RV_CCFNPTS(rv))
if (RV_DCFLAG(rv) != -1) {
call imaddr (im, "crval1",
real(rv_shift2vel(rv,real(-(RV_CCFNPTS(rv)/2)))))
call imaddr (im, "cdelt1", RV_DELTAV(rv))
} else {
call imaddr (im, "crval1", real(-RV_CCFNPTS(rv))/2.)
call imaddr (im, "cdelt1", 1.)
}
call imaddi (im, "crpix1", 1)
call imastr (im, "ctype1", "velocity")
call imastr (im, "cunit1", "km/s")
call nam_filtype (rv, Memc[bp])
call imastr (im, "filtype", Memc[bp])
call imaddi (im, "cuton", RVF_CUTON(rv))
call imaddi (im, "cutoff", RVF_CUTOFF(rv))
call imaddi (im, "fullon", RVF_FULLON(rv))
call imaddi (im, "fulloff", RVF_FULLOFF(rv))
call imunmap (im)
err_ call sfree (sp)
end
# WRT_CCF_TEXT - Write out the ccf to a text file.
procedure wrt_ccf_text (rv)
pointer rv #I RV struct pointer
pointer fd, sp, x
int i, j, npts
pointer open()
double rv_shift2vel()
errchk open
begin
# Open the text file
iferr (fd=open(Memc[RV_CCFFILE(rv)], NEW_FILE, TEXT_FILE)) {
call rv_errmsg ("Error opening ccf output file `%s'.")
call pargstr (Memc[RV_CCFFILE(rv)])
return
}
npts = RV_CCFNPTS(rv)
call smark (sp)
call salloc (x, npts, TY_REAL)
# Sret up X-axis
if (RV_DCFLAG(rv) != -1) {
do i = 1, npts
Memr[x+i-1] = real (rv_shift2vel(rv,WRKPIXX(rv,i)))
} else {
i = - (RV_CCFNPTS(rv) / 2)
do j = 1, npts {
Memr[x+j-1] = real (i)
i = i + 1
}
}
# Write it out
do i = 1, npts {
call fprintf (fd, "%.1f %f\n")
call pargr (Memr[x+i-1])
call pargr (WRKPIXY(rv,i))
}
call flush (fd)
call close (fd)
call sfree (sp)
end
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