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include <imhdr.h>
include "quadgeom.h"
procedure t_quadjoin ()
char input[SZ_FNAME] #TI Input image root name.
char output[SZ_FNAME] #TI Output image name.
char instrument[SZ_FNAME] #TI Instrument translation file.
bool delete #TI delete sub-images when done.
int namps, amp
pointer in[QG_MAXAMPS], out, qg
char logstr[SZ_LINE]
bool inplace
pointer immap()
int quadmap(), imaccess()
bool streq(), clgetb()
errchk ccddelete()
begin
# Open instrument file
call clgstr ("instrument", instrument, SZ_FNAME)
call hdmopen (instrument)
# Get input image name and output image names.
call clgstr ("input", input, SZ_FNAME)
call xt_imroot (input, input, SZ_FNAME)
call clgstr ("output", output, SZ_FNAME)
# If the output name is null the opperation is "done in place one
# removed". That is:
# the sub-images are combined to form a temporary image
# the ORIGINAL PARENT IMAGE is deleted or copied to a backup image
# the temporary image is renamed to the original parent image
#
if (streq (output, "")) {
call mktemp ("tmp", output, SZ_FNAME)
inplace = true
} else {
inplace = false
}
# Get delete sub-image flag
delete = clgetb ("delete")
# Allocate quadgeom structure
call quadalloc (qg)
# Open input sub-images
namps = quadmap (input, READ_ONLY, false, 0, qg, in)
# call quaddump (qg)
# Open output image
out = immap (output, NEW_COPY, in[1])
# Merge header information to form header for composite image.
# call quadjoinhdr (in, out, qg)
call quadjoinhdr2 (in, out, qg)
switch (IM_PIXTYPE(out)) {
case TY_USHORT, TY_SHORT:
call qjoins (in, out, qg)
case TY_INT:
call qjoini (in, out, qg)
case TY_LONG:
call qjoinl (in, out, qg)
case TY_REAL:
call qjoinr (in, out, qg)
case TY_DOUBLE:
call qjoind (in, out, qg)
default:
call error (1, "unsupported pixel datatype")
}
# Log opperation
if (QG_NAMPSX(qg) == 2 && QG_NAMPSY(qg) == 2) {
call sprintf (logstr, SZ_LINE, "Quad-readout image")
} else if (QG_NAMPSX(qg) == 2 || QG_NAMPSY(qg) == 2) {
call sprintf (logstr, SZ_LINE, "Dual-readout image: nampsx=%d nampsy=%d")
call pargi (QG_NAMPSX(qg))
call pargi (QG_NAMPSY(qg))
} else {
call sprintf (logstr, SZ_LINE, "Single-readout image")
}
call timelog (logstr, SZ_LINE)
call ccdlog (input, logstr)
# Tidy up
call imunmap (out)
do amp = 1, namps
call imunmap (in[amp])
# Delete sub-images
if (delete)
call quaddelete (qg, input)
if (inplace) {
# Replace the input by the output image.
if (imaccess (input, READ_ONLY) == YES) {
iferr (call ccddelete (input)) {
call imdelete (output)
call error (0, "Can't delete or make backup of original image")
}
}
call imrename (output, input)
}
call quadfree (qg)
call hdmclose ()
end
# Merge header information and write to header of output image.
procedure quadjoinhdr (in, out, qg)
pointer in[ARB] #I Pointer to input sub-images.
pointer out #I Pointer to output image.
pointer qg #I Pointer to quadgeom structure.
char keyword[SZ_LINE], section[SZ_LINE], buffer[SZ_LINE]
real rval, ccdmean
int amp, brk
int hdmaccf(), strsearch()
real hdmgetr()
begin
# Set image dimensions
IM_LEN (out, 1) = QG_NX(qg, 0)
IM_LEN (out, 2) = QG_NY(qg, 0)
# Add defined sections to output image header.
if ((QG_DX1 (qg, 0) != 0) && (hdmaccf (out, "trim") == NO)) {
call sprintf (section, SZ_LINE, "[%d:%d,%d:%d]")
call pargi (QG_DX1(qg, 0))
call pargi (QG_DX2(qg, 0))
call pargi (QG_DY1(qg, 0))
call pargi (QG_DY2(qg, 0))
call hdmpstr (out, "datasec", section)
call sprintf (section, SZ_LINE, "[%d:%d,%d:%d]")
call pargi (QG_TX1(qg, 0))
call pargi (QG_TX2(qg, 0))
call pargi (QG_TY1(qg, 0))
call pargi (QG_TY2(qg, 0))
call hdmpstr (out, "trimsec", section)
call sprintf (section, SZ_LINE, "[%d:%d,%d:%d]")
call pargi (QG_BX1(qg, 0))
call pargi (QG_BX2(qg, 0))
call pargi (QG_BY1(qg, 0))
call pargi (QG_BY2(qg, 0))
call hdmpstr (out, "biassec", section)
}
if (QG_CX1 (qg, 0) != 0) {
call sprintf (section, SZ_LINE, "[%d:%d,%d:%d]")
call pargi (QG_CX1(qg, 0))
call pargi (QG_CX2(qg, 0))
call pargi (QG_CY1(qg, 0))
call pargi (QG_CY2(qg, 0))
call hdmpstr (out, "ccdsec", section)
}
# Set AMPSECnm
do amp = 1, QG_NAMPS(qg) {
call sprintf (keyword, SZ_LINE, "ampsec%s")
call pargstr (Memc[QG_AMPID(qg, amp)])
call sprintf (section, SZ_LINE, "[%d:%d,%d:%d]")
call pargi (QG_AX1(qg, amp))
call pargi (QG_AX2(qg, amp))
call pargi (QG_AY1(qg, amp))
call pargi (QG_AY2(qg, amp))
call hdmpstr (out, keyword, section)
}
# Tidy up processing history
if (hdmaccf (out, "trim") == YES) {
do amp = 1, QG_NAMPS(qg)
call mergehist (in[amp], out, "trim", Memc[QG_AMPID(qg, amp)])
call hdmdelf (out, "trim")
call strcpy ("Trimmed", buffer, SZ_LINE)
call timelog (buffer, SZ_LINE)
call hdmpstr (out, "trim", buffer)
}
if (hdmaccf (out, "overscan") == YES) {
do amp = 1, QG_NAMPS(qg)
call mergehist (in[amp], out, "overscan", Memc[QG_AMPID(qg, amp)])
call hdmdelf (out, "overscan")
call strcpy ("Overscan corrected", buffer, SZ_LINE)
call timelog (buffer, SZ_LINE)
call hdmpstr (out, "overscan", buffer)
}
if (hdmaccf (out, "ccdmean") == YES) {
ccdmean = 0.0
do amp = 1, QG_NAMPS(qg) {
rval = hdmgetr (in[amp], "ccdmean")
ccdmean = ccdmean + rval
call sprintf (keyword, SZ_LINE, "ccdmea%s")
call pargstr (Memc[QG_AMPID(qg, amp)])
call hdmputr (out, keyword, rval)
}
ccdmean = ccdmean / QG_NAMPS(qg)
call hdmdelf (out, "ccdmean")
call hdmputr (out, "ccdmean", ccdmean)
}
# Move CCDPROC keyword to end of header
if (hdmaccf (out, "ccdproc") == YES) {
call hdmgstr (in, "ccdproc", buffer, SZ_LINE)
call hdmdelf (out, "ccdproc")
brk = strsearch (buffer, "CCD")
if (brk !=0)
call strcpy (buffer[brk-3], buffer, SZ_LINE)
call timelog (buffer, SZ_LINE)
call hdmpstr (out, "ccdproc", buffer)
}
end
define SZ_KEYWRD 8 # Number of chars in FITS keyword
define REVSTRING "1.000 09Mar94 (Included amplifier geometry keywords)"
# Merge header information and write to header of output image.
procedure quadjoinhdr2 (in, out, qg)
pointer in[ARB] #I Pointer to input sub-images.
pointer out #I Pointer to output image.
pointer qg #I Pointer to quadgeom structure.
pointer sp, keyword, section, buffer
real rval, ccdmean
int amp, brk, ch
int ax1, ax2, ay1, ay2
int bx1, bx2, by1, by2
int dx1, dx2, dy1, dy2
int tx1, tx2, ty1, ty2
int hdmaccf(), strsearch()
real hdmgetr()
begin
call smark (sp)
call salloc (keyword, SZ_KEYWRD, TY_CHAR)
call salloc (section, SZ_LINE, TY_CHAR)
call salloc (buffer, SZ_LINE, TY_CHAR)
# Set image dimensions
IM_LEN (out, 1) = QG_NX(qg, 0)
IM_LEN (out, 2) = QG_NY(qg, 0)
# Set the header revision level if not already set.
if (hdmaccf (out, "HDR_REV") == NO) {
call hdmpstr (out, "HDR_REV", REVSTRING)
}
# Update nampsyx and amplist
call sprintf (Memc[buffer], SZ_LINE, "%d %d")
call pargi (QG_NAMPSY(qg))
call pargi (QG_NAMPSX(qg))
call hdmpstr (out, "nampsyx", Memc[buffer])
ch = 1
do amp = 1, QG_NAMPS(qg) {
call sprintf (Memc[buffer+ch-1], 3, "%2s ")
call pargstr (Memc[QG_AMPID(qg, amp)])
ch = ch + 3
}
call hdmpstr (out, "amplist", Memc[buffer])
# Update geometry keywords for each amplifier in the header.
# If the corresponding section is undefined any old keywords are deleted
# The TSECyx, DSECyx and BSECyx keywords are only retained if the image
# has not been trimmed.
do amp = 1, QG_NAMPS (qg) {
# Ampsec (ASECyx keyword)
#
call sprintf (Memc[keyword], SZ_LINE, "ASEC%2s")
call pargstr (Memc[QG_AMPID(qg, amp)])
ax1 = QG_AX1 (qg, amp)
ax2 = QG_AX2 (qg, amp)
ay1 = QG_AY1 (qg, amp)
ay2 = QG_AY2 (qg, amp)
call sprintf (Memc[section], SZ_LINE, "[%d:%d,%d:%d]")
call pargi (ax1)
call pargi (ax2)
call pargi (ay1)
call pargi (ay2)
call hdmpstr (out, Memc[keyword], Memc[section])
# Biassec (BSECyx keyword)
#
call sprintf (Memc[keyword], SZ_LINE, "BSEC%2s")
call pargstr (Memc[QG_AMPID(qg, amp)])
if ((hdmaccf (out, "trim") == NO) && (QG_BX1 (qg, amp) != 0)) {
bx1 = QG_BX1 (qg, amp) + ax1 - 1
bx2 = QG_BX2 (qg, amp) + ax1 - 1
by1 = QG_BY1 (qg, amp) + ay1 - 1
by2 = QG_BY2 (qg, amp) + ay1 - 1
call sprintf (Memc[section], SZ_LINE, "[%d:%d,%d:%d]")
call pargi (bx1)
call pargi (bx2)
call pargi (by1)
call pargi (by2)
call hdmpstr (out, Memc[keyword], Memc[section])
} else if (hdmaccf (out, Memc[keyword]) == YES) {
call hdmdelf (out, Memc[keyword])
}
# CCDsec (CSECyx keyword)
#
call sprintf (Memc[keyword], SZ_LINE, "CSEC%2s")
call pargstr (Memc[QG_AMPID(qg, amp)])
if ((hdmaccf (out, "trim") == NO) && (QG_CX1 (qg, amp) != 0)) {
call sprintf (Memc[section], SZ_LINE, "[%d:%d,%d:%d]")
call pargi (QG_CX1(qg, amp))
call pargi (QG_CX2(qg, amp))
call pargi (QG_CY1(qg, amp))
call pargi (QG_CY2(qg, amp))
call hdmpstr (out, Memc[keyword], Memc[section])
} else if (hdmaccf (out, Memc[keyword]) == YES) {
call hdmdelf (out, Memc[keyword])
}
# Datasec (DSECyx keyword)
#
call sprintf (Memc[keyword], SZ_LINE, "DSEC%2s")
call pargstr (Memc[QG_AMPID(qg, amp)])
if ((hdmaccf (out, "trim") == NO) && (QG_DX1 (qg, amp) != 0)) {
dx1 = QG_DX1 (qg, amp) + ax1 - 1
dx2 = QG_DX2 (qg, amp) + ax1 - 1
dy1 = QG_DY1 (qg, amp) + ay1 - 1
dy2 = QG_DY2 (qg, amp) + ay1 - 1
call sprintf (Memc[section], SZ_LINE, "[%d:%d,%d:%d]")
call pargi (dx1)
call pargi (dx2)
call pargi (dy1)
call pargi (dy2)
call hdmpstr (out, Memc[keyword], Memc[section])
} else if (hdmaccf (out, Memc[keyword]) == YES) {
call hdmdelf (out, Memc[keyword])
}
# Trimsec (TSECyx keyword)
#
call sprintf (Memc[keyword], SZ_LINE, "TSEC%2s")
call pargstr (Memc[QG_AMPID(qg, amp)])
if ((hdmaccf (out, "trim") == NO) && (QG_TX1 (qg, amp) != 0)) {
tx1 = QG_TX1 (qg, amp) + ax1 - 1
tx2 = QG_TX2 (qg, amp) + ax1 - 1
ty1 = QG_TY1 (qg, amp) + ay1 - 1
ty2 = QG_TY2 (qg, amp) + ay1 - 1
call sprintf (Memc[section], SZ_LINE, "[%d:%d,%d:%d]")
call pargi (tx1)
call pargi (tx2)
call pargi (ty1)
call pargi (ty2)
call hdmpstr (out, Memc[keyword], Memc[section])
} else if (hdmaccf (out, Memc[keyword]) == YES) {
call hdmdelf (out, Memc[keyword])
}
}
# Delete biassec, ccdsec, datasec and trimsec if present.
if (hdmaccf (out, "biassec") == YES) {
call hdmdelf (out, "biassec")
}
if (hdmaccf (out, "datasec") == YES) {
call hdmdelf (out, "datasec")
}
if (hdmaccf (out, "trimsec") == YES) {
call hdmdelf (out, "trimsec")
}
if (hdmaccf (out, "ccdsec") == YES) {
call hdmdelf (out, "ccdsec")
}
# If image has been trimmed insert CCDSEC for entire image. This is
# derived from the CCDSEC's for the sub-images in the BLH and TRH
# corners.
if (hdmaccf (out, "trim") == YES) {
call sprintf (Memc[section], SZ_LINE, "[%d:%d,%d:%d]")
call pargi (QG_CX1(qg, 1))
call pargi (QG_CX2(qg, QG_NAMPS(qg)))
call pargi (QG_CY1(qg, 1))
call pargi (QG_CY2(qg, QG_NAMPS(qg)))
call hdmpstr (out, "CCDSEC", Memc[section])
}
# Tidy up processing history as appropriate
# Overscan Subtraction
if (hdmaccf (out, "overscan") == YES) {
do amp = 1, QG_NAMPS(qg)
call merge_overscan (in[amp], out, Memc[QG_AMPID(qg, amp)])
call hdmdelf (out, "overscan")
call strcpy ("Overscan corrected", Memc[buffer], SZ_LINE)
call timelog (Memc[buffer], SZ_LINE)
call hdmpstr (out, "overscan", Memc[buffer])
}
# Triming.
if (hdmaccf (out, "trim") == YES) {
do amp = 1, QG_NAMPS(qg)
call merge_trim (in[amp], out, Memc[QG_AMPID(qg, amp)])
call hdmdelf (out, "trim")
call strcpy ("Trimmed", Memc[buffer], SZ_LINE)
call timelog (Memc[buffer], SZ_LINE)
call hdmpstr (out, "trim", Memc[buffer])
}
# CCDMEAN
if (hdmaccf (out, "ccdmean") == YES) {
ccdmean = 0.0
do amp = 1, QG_NAMPS(qg) {
rval = hdmgetr (in[amp], "ccdmean")
ccdmean = ccdmean + rval
call sprintf (Memc[keyword], SZ_LINE, "ccdmea%s")
call pargstr (Memc[QG_AMPID(qg, amp)])
call hdmputr (out, Memc[keyword], rval)
}
ccdmean = ccdmean / QG_NAMPS(qg)
call hdmdelf (out, "ccdmean")
call hdmputr (out, "ccdmean", ccdmean)
}
# Move CCDPROC keyword to end of header
if (hdmaccf (out, "ccdproc") == YES) {
call hdmgstr (in, "ccdproc", Memc[buffer], SZ_LINE)
call hdmdelf (out, "ccdproc")
brk = strsearch (Memc[buffer], "CCD")
if (brk !=0)
call strcpy (Memc[buffer+brk-4], Memc[buffer], SZ_LINE)
call timelog (Memc[buffer], SZ_LINE)
call hdmpstr (out, "ccdproc", Memc[buffer])
}
call sfree (sp)
end
define OVSC_FMT1 "Overscan section is %s with mean=%g"
define OVSC_FMT2 "Overscan section is %s"
define OVSC_FMT3 "Overscan section is %s with function=%s"
procedure merge_overscan (in, out, ampid)
pointer in # Input quadrant image
pointer out # Output image
char ampid[2] # Label for readout
pointer sp, buffer, amplifier, biassec, func, rootname, fullname
real mean
int idx
int hdmaccf(), stridx(), nscan()
begin
call smark (sp)
call salloc (buffer, SZ_LINE, TY_CHAR)
call salloc (amplifier, SZ_LINE, TY_CHAR)
call salloc (biassec, SZ_LINE, TY_CHAR)
call salloc (func, SZ_LINE, TY_CHAR)
call salloc (rootname, SZ_KEYWRD, TY_CHAR)
call salloc (fullname, SZ_KEYWRD, TY_CHAR)
if (hdmaccf (out, "overscan") == YES) {
# Get BSECyx
call sprintf (Memc[fullname], SZ_LINE, "BSEC%2s")
call pargstr (ampid)
call hdmgstr (in, Memc[fullname], Memc[biassec], SZ_LINE)
# Get overscan flag and retrieve the mean value if present
call hdmgstr (in, "overscan", Memc[buffer], SZ_LINE)
idx = stridx ("=", Memc[buffer])
if (idx == 0) {
call sprintf (Memc[buffer], SZ_LINE, OVSC_FMT2)
call pargstr (Memc[biassec])
} else {
call sscan (Memc[buffer+idx])
call gargr (mean)
if (nscan() == 1) {
call sprintf (Memc[buffer], SZ_LINE, OVSC_FMT1)
call pargstr (Memc[biassec])
call pargr (mean)
} else {
call strcpy (Memc[buffer+idx], Memc[func], SZ_LINE)
call sprintf (Memc[buffer], SZ_LINE, OVSC_FMT3)
call pargstr (Memc[biassec])
call pargstr (Memc[func])
}
}
# Get overscan keyword name and append AMP_ID
call hdmname ("overscan", Memc[rootname], 6)
call strcpy (Memc[rootname], Memc[fullname], 6)
call strcat (ampid, Memc[fullname], SZ_KEYWRD)
# Write new overscan keyword.
call timelog (Memc[buffer], SZ_LINE)
call hdmpstr (out, Memc[fullname], Memc[buffer])
# And record opperation in logfile
call sprintf (Memc[amplifier], SZ_LINE, " AMP%s")
call pargstr (ampid)
call ccdlog (Memc[amplifier], Memc[buffer])
}
call sfree (sp)
end
define TRIM_FMT "Trim data section is %s"
procedure merge_trim (in, out, ampid)
pointer in # Input quadrant image
pointer out # Output image
char ampid[2] # Label for readout
pointer sp, buffer, amplifier, trimsec, rootname, fullname
int hdmaccf()
begin
call smark (sp)
call salloc (buffer, SZ_LINE, TY_CHAR)
call salloc (amplifier, SZ_LINE, TY_CHAR)
call salloc (trimsec, SZ_LINE, TY_CHAR)
call salloc (rootname, SZ_KEYWRD, TY_CHAR)
call salloc (fullname, SZ_KEYWRD, TY_CHAR)
if (hdmaccf (out, "trim") == YES) {
# Get BSECyx
call sprintf (Memc[fullname], SZ_LINE, "TSEC%2s")
call pargstr (ampid)
call hdmgstr (in, Memc[fullname], Memc[trimsec], SZ_LINE)
call sprintf (Memc[buffer], SZ_LINE, TRIM_FMT)
call pargstr (Memc[trimsec])
# Get overscan keyword name and append AMP_ID
call hdmname ("trim", Memc[rootname], 6)
call strcpy (Memc[rootname], Memc[fullname], 6)
call strcat (ampid, Memc[fullname], SZ_KEYWRD)
# Write new overscan keyword.
call timelog (Memc[buffer], SZ_LINE)
call hdmpstr (out, Memc[fullname], Memc[buffer])
# And record opperation in logfile
call sprintf (Memc[amplifier], SZ_LINE, " AMP%s")
call pargstr (ampid)
call ccdlog (Memc[amplifier], Memc[buffer])
}
call sfree (sp)
end
procedure mergehist (in, out, keyword, ampid)
pointer in # Input quadrant image
pointer out # Output image
char keyword[ARB] # Header keyword to modify
char ampid[2] # Label for readout
char rootname[6], fullname[8]
char buffer[SZ_LINE]
int hdmaccf()
begin
if (hdmaccf (out, keyword) == YES) {
call hdmgstr (in, keyword, buffer, SZ_LINE)
call hdmname (keyword, rootname, 6)
call strcpy (rootname, fullname, 6)
call strcat (ampid, fullname, 8)
call hdmpstr (out, fullname, buffer)
}
end
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