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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <imhdr.h>
include <imset.h>
include <error.h>
include <syserr.h>
include "icombine.h"
# ICOMBINE -- Combine input list or image.
# This procedure maps the images, sets the output dimensions and datatype,
# opens the logfile, and sets IMIO parameters. It attempts to adjust
# buffer sizes and memory requirements for maximum efficiency.
procedure icombine (list, output, headers, bmask, rmask, nrmask, emask,
sigma, logfile, scales, zeros, wts, stack, delete)
int list #I List of input images
char output[ARB] #I Output image
char headers[ARB] #I Output header rootname
char bmask[ARB] #I Bad pixel mask
char rmask[ARB] #I Rejection mask
char nrmask[ARB] #I Nreject mask
char emask[ARB] #I Exposure mask
char sigma[ARB] #I Sigma image (optional)
char logfile[ARB] #I Logfile (optional)
real scales[ARB] #I Scale factors
real zeros[ARB] #I Offset factors
real wts[ARB] #I Weights
int stack #I Stack input images?
int delete #I Delete input images?
bool proj
char input[SZ_FNAME], errstr[SZ_LINE]
int i, j, nimages, intype, bufsize, maxsize, memory, oldsize, stack1, err
pointer sp, im, in1, in, wtp, out[6], offsets, key, tmp, bpmstack
char clgetc()
int clgwrd(), imtlen(), imtgetim(), imtrgetim(), getdatatype()
int begmem(), errget(), open(), ty_max(), sizeof(), strmatch()
pointer immap(), xt_immap(), ic_pmmap()
errchk ic_imstack, immap, imunmap, xt_immap, ic_pmmap, ic_setout
include "icombine.com"
define retry_ 98
define err_ 99
begin
nimages = imtlen (list)
if (nimages == 0)
call error (1, "No images to combine")
if (project) {
if (imtgetim (list, input, SZ_FNAME) == EOF)
call error (1, "No image to project")
}
bufsize = 0
# if (nimages > LAST_FD - 15)
# stack1 = YES
# else
stack1 = stack
retry_
iferr {
call smark (sp)
call salloc (in, 1, TY_POINTER)
nimages = 0
in1 = NULL; Memi[in] = NULL; logfd = NULL
out[1] = NULL; out[2] = NULL; out[3] = NULL
out[4] = NULL; out[5] = NULL; out[6] = NULL
# Stack the input images.
if (stack1 == YES) {
proj = project
project = true
call salloc (bpmstack, SZ_FNAME, TY_CHAR)
i = clgwrd ("masktype", Memc[bpmstack], SZ_FNAME, MASKTYPES)
if (i == M_NONE)
Memc[bpmstack] = EOS
else {
call mktemp ("tmp", Memc[bpmstack], SZ_FNAME)
call strcat (".pl", Memc[bpmstack], SZ_FNAME)
}
call mktemp ("tmp", input, SZ_FNAME)
call imtrew (list)
call ic_imstack (list, input, Memc[bpmstack])
}
# Open the input image(s).
if (project) {
tmp = immap (input, READ_ONLY, 0); out[1] = tmp
if (IM_NDIM(out[1]) == 1)
call error (1, "Can't project one dimensional images")
nimages = IM_LEN(out[1],IM_NDIM(out[1]))
call salloc (in, nimages, TY_POINTER)
call salloc (wtp, nimages, TY_POINTER)
call amovki (out[1], Memi[in], nimages)
call amovki (NULL, Memi[wtp], nimages)
} else {
call salloc (in, imtlen(list), TY_POINTER)
call salloc (wtp, imtlen(list), TY_POINTER)
call amovki (NULL, Memi[in], imtlen(list))
call amovki (NULL, Memi[wtp], imtlen(list))
call imtrew (list)
while (imtgetim (list, input, SZ_FNAME)!=EOF) {
nimages = nimages + 1
tmp = xt_immap (input, READ_ONLY, 0, nimages)
Memi[in+nimages-1] = tmp
}
# Check sizes and set I/O option.
intype = 0
tmp = Memi[in]
do i = 2, nimages {
do j = 1, IM_NDIM(tmp) {
if (IM_LEN(tmp,j) != IM_LEN(Memi[in+i-1],j))
intype = 1
}
if (intype == 1)
break
}
if (intype == 1)
call xt_imseti (0, "option", intype)
}
# Check if there are no images.
if (nimages == 0)
call error (1, "No images to combine")
# Convert the pclip parameter to a number of pixels rather than
# a fraction. This number stays constant even if pixels are
# rejected. The number of low and high pixel rejected, however,
# are converted to a fraction of the valid pixels.
if (reject == PCLIP) {
i = nimages / 2.
if (abs (pclip) < 1.)
pclip = pclip * i
if (pclip < 0.)
pclip = min (-1, max (-i, int (pclip)))
else
pclip = max (1, min (i, int (pclip)))
}
if (reject == MINMAX) {
if (flow >= 1)
flow = flow / nimages
if (fhigh >= 1)
fhigh = fhigh / nimages
i = flow * nimages
j = fhigh * nimages
if (i + j == 0)
reject = NONE
else if (i + j >= nimages)
call error (1, "Bad minmax rejection parameters")
}
# Map the output image and set dimensions and offsets.
if (stack1 == YES) {
call imtrew (list)
i = imtgetim (list, errstr, SZ_LINE)
in1 = immap (errstr, READ_ONLY, 0)
tmp = immap (output, NEW_COPY, in1); out[1] = tmp
call salloc (key, SZ_FNAME, TY_CHAR)
do i = 1, nimages {
call sprintf (Memc[key], SZ_FNAME, "stck%04d")
call pargi (i)
iferr (call imdelf (out[1], Memc[key]))
;
if (Memc[bpmstack] != EOS) {
call sprintf (Memc[key], SZ_FNAME, "bpm%04d")
call pargi (i)
iferr (call imdelf (out[1], Memc[key]))
;
}
}
} else {
tmp = immap (output, NEW_COPY, Memi[in]); out[1] = tmp
if (project) {
IM_LEN(out[1],IM_NDIM(out[1])) = 1
IM_NDIM(out[1]) = IM_NDIM(out[1]) - 1
}
}
call salloc (offsets, nimages*IM_NDIM(out[1]), TY_INT)
iferr (call ic_setout (Memi[in], out, Memi[offsets], nimages)) {
call erract (EA_WARN)
call error (1, "Can't set output geometry")
}
call ic_hdr (Memi[in], out, nimages)
iferr (call imdelf (out, "BPM"))
;
iferr (call imdelf (out, "ICFNAME"))
;
iferr (call imdelf (out, "ICBPM"))
;
# Determine the highest precedence datatype and set output datatype.
intype = IM_PIXTYPE(Memi[in])
do i = 2, nimages
intype = ty_max (intype, IM_PIXTYPE(Memi[in+i-1]))
IM_PIXTYPE(out[1]) = getdatatype (clgetc ("outtype"))
if (IM_PIXTYPE(out[1]) == ERR)
IM_PIXTYPE(out[1]) = intype
# Open rejection masks
if (rmask[1] != EOS) {
tmp = ic_pmmap (rmask, NEW_COPY, out[1]); out[4] = tmp
IM_NDIM(out[4]) = IM_NDIM(out[4]) + 1
IM_LEN(out[4],IM_NDIM(out[4])) = nimages
if (!project) {
if (key == NULL)
call salloc (key, SZ_FNAME, TY_CHAR)
do i = 100, nimages {
j = imtrgetim (list, i, input, SZ_FNAME)
if (i < 999)
call sprintf (Memc[key], SZ_FNAME, "imcmb%d")
else if (i < 9999)
call sprintf (Memc[key], SZ_FNAME, "imcm%d")
else
call sprintf (Memc[key], SZ_FNAME, "imc%d")
call pargi (i)
call imastr (out[4], Memc[key], input)
}
}
} else
out[4] = NULL
# Open bad pixel pixel list file if given.
if (bmask[1] != EOS) {
tmp = ic_pmmap (bmask, NEW_COPY, out[1]); out[2] = tmp
} else
out[2] = NULL
# Open nreject pixel list file if given.
if (nrmask[1] != EOS) {
tmp = ic_pmmap (nrmask, NEW_COPY, out[1]); out[5] = tmp
} else
out[5] = NULL
# Open exposure mask if given.
if (emask[1] != EOS) {
tmp = ic_pmmap (emask, NEW_COPY, out[1]); out[6] = tmp
} else
out[6] = NULL
# Open the sigma image if given.
if (sigma[1] != EOS) {
tmp = immap (sigma, NEW_COPY, out[1]); out[3] = tmp
IM_PIXTYPE(out[3]) = ty_max (TY_REAL, IM_PIXTYPE(out[1]))
call sprintf (IM_TITLE(out[3]), SZ_IMTITLE,
"Combine sigma images for %s")
call pargstr (output)
} else
out[3] = NULL
# Open masks.
call ic_mopen (Memi[in], out, nimages, Memi[offsets])
# Open the log file.
logfd = NULL
if (logfile[1] != EOS) {
iferr (logfd = open (logfile, APPEND, TEXT_FILE)) {
logfd = NULL
call erract (EA_WARN)
}
}
if (bufsize == 0) {
# Set initial IMIO buffer size based on the number of images
# and maximum amount of working memory available. The buffer
# size may be adjusted later if the task runs out of memory.
# The FUDGE factor is used to allow for the size of the
# program, memory allocator inefficiencies, and any other
# memory requirements besides IMIO.
memory = begmem (0, oldsize, maxsize)
memory = min (memory, maxsize, MAXMEMORY)
bufsize = FUDGE * memory / (nimages + 1) / sizeof (intype)
}
# Combine the images. If an out of memory error occurs close all
# images and files, divide the IMIO buffer size in half and try
# again.
switch (ty_max (intype, IM_PIXTYPE(out[1]))) {
case TY_SHORT:
call icombines (Memi[in], out, scales, zeros,
wts, Memi[wtp], Memi[offsets], nimages, bufsize)
case TY_USHORT, TY_INT, TY_LONG:
call icombinei (Memi[in], out, scales, zeros,
wts, Memi[wtp], Memi[offsets], nimages, bufsize)
case TY_DOUBLE:
call icombined (Memi[in], out, scales, zeros,
wts, Memi[wtp], Memi[offsets], nimages, bufsize)
case TY_COMPLEX:
call error (1, "Complex images not allowed")
default:
call icombiner (Memi[in], out, scales, zeros,
wts, Memi[wtp], Memi[offsets], nimages, bufsize)
}
} then {
err = errget (errstr, SZ_LINE)
if (err == SYS_IKIOPIX && nimages < 250)
err = SYS_MFULL
call ic_mclose (nimages)
if (!project) {
do j = 2, nimages {
if (Memi[in+j-1] != NULL)
call xt_imunmap (Memi[in+j-1], j)
}
}
if (wtype == S_WTMAP || wtype == S_SIGMAP) {
do j = 1, nimages {
if (Memi[wtp+j-1] != NULL)
call xt_imunmap (Memi[wtp+j-1], nimages+j)
}
}
if (out[2] != NULL) {
call imunmap (out[2])
iferr (call imdelete (bmask))
;
}
if (out[3] != NULL) {
call imunmap (out[3])
iferr (call imdelete (sigma))
;
}
if (out[4] != NULL) {
call imunmap (out[4])
iferr (call imdelete (rmask))
;
}
if (out[5] != NULL) {
call imunmap (out[5])
iferr (call imdelete (nrmask))
;
}
if (out[6] != NULL) {
call imunmap (out[6])
iferr (call imdelete (emask))
;
}
if (out[1] != NULL) {
call imunmap (out[1])
iferr (call imdelete (output))
;
}
if (Memi[in] != NULL)
call xt_imunmap (Memi[in], 1)
if (in1 != NULL)
call imunmap (in1)
if (logfd != NULL)
call close (logfd)
switch (err) {
case SYS_MFULL:
if (project)
goto err_
if (bufsize < 10000) {
call strcat ("- Maybe min_lenuserarea is too large",
errstr, SZ_LINE)
goto err_
}
bufsize = bufsize / 2
call sfree (sp)
goto retry_
case SYS_FTOOMANYFILES, SYS_IKIOPEN, SYS_IKIOPIX, SYS_FOPEN, SYS_FWTNOACC:
if (project)
goto err_
stack1 = YES
call sfree (sp)
goto retry_
default:
err_
if (stack1 == YES) {
iferr (call imdelete (input))
;
if (Memc[bpmstack] != EOS) {
iferr (call imdelete (Memc[bpmstack]))
;
}
}
call fixmem (oldsize)
while (imtgetim (list, input, SZ_FNAME)!=EOF)
;
call sfree (sp)
call error (err, errstr)
}
}
# Unmap all the images, close the log file, and restore memory.
if (out[2] != NULL)
iferr (call imunmap (out[2]))
call erract (EA_WARN)
if (out[3] != NULL)
iferr (call imunmap (out[3]))
call erract (EA_WARN)
if (out[4] != NULL) {
# Close the output first so that there is no confusion with
# inheriting the output header. Then update the WCS for the
# extra dimension. Note that this may not be correct with
# axis reduced WCS.
iferr {
call imunmap (out[4])
out[4] = immap (rmask, READ_WRITE, 0)
i = IM_NDIM(out[4])
call imaddi (out[4], "WCSDIM", i)
call sprintf (errstr, SZ_LINE, "LTM%d_%d")
call pargi (i)
call pargi (i)
call imaddr (out[4], errstr, 1.)
call sprintf (errstr, SZ_LINE, "CD%d_%d")
call pargi (i)
call pargi (i)
call imaddr (out[4], errstr, 1.)
call imunmap (out[4])
} then
call erract (EA_WARN)
}
if (out[5] != NULL)
iferr (call imunmap (out[5]))
call erract (EA_WARN)
if (out[6] != NULL)
iferr (call imunmap (out[6]))
call erract (EA_WARN)
if (out[1] != NULL) {
call imunmap (out[1])
if (headers[1] != EOS) {
# Write input headers to a multiextension file if desired.
# This might be the same as the output image.
iferr {
do i = 1, nimages {
im = Memi[in+i-1]
call imstats (im, IM_IMAGENAME, input, SZ_FNAME)
if (strmatch (headers, ".fits$") == 0) {
call sprintf (errstr, SZ_LINE, "%s.fits[append]")
call pargstr (headers)
} else {
call sprintf (errstr, SZ_LINE, "%s[append]")
call pargstr (headers)
}
tmp = immap (errstr, NEW_COPY, im)
IM_NDIM(tmp) = 0
do j = 1, IM_NDIM(im) {
call sprintf (errstr, SZ_LINE, "AXLEN%d")
call pargi (j)
call imaddi (tmp, errstr, IM_LEN(im,j))
}
call imastr (tmp, "INIMAGE", input)
call imastr (tmp, "OUTIMAGE", output)
call imastr (tmp, "EXTNAME", input)
call imunmap (tmp)
}
if (logfd != NULL) {
call eprintf (" Headers = %s\n")
call pargstr (headers)
}
} then
call erract (EA_WARN)
}
}
if (!project) {
do i = 2, nimages {
if (Memi[in+i-1] != NULL)
call xt_imunmap (Memi[in+i-1], i)
}
}
if (Memi[in] != NULL)
call xt_imunmap (Memi[in], 1)
if (in1 != NULL)
call imunmap (in1)
if (stack1 == YES) {
call imdelete (input)
if (Memc[bpmstack] != EOS)
call imdelete (Memc[bpmstack])
project = proj
}
if (logfd != NULL)
call close (logfd)
call ic_mclose (nimages)
call fixmem (oldsize)
call sfree (sp)
end
|
