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include <error.h>
include <mach.h>
include "apertures.h"
# Data structure for user aperture id table.
define IDS_LEN 4 # Length of ID structure
define IDS_NIDS Memi[$1] # Number of aperture IDs
define IDS_APS Memi[$1+1] # Aperture numbers (pointer)
define IDS_BEAMS Memi[$1+2] # Beam numbers (pointer)
define IDS_TITLES Memi[$1+3] # Titles (pointer)
# AP_GIDS -- Get user aperture ID's.
procedure ap_gids (ids)
pointer ids # ID structure
int nids, ap, beam, fd, nalloc
double ra, dec
pointer sp, key, str, aps, beams, titles, im, list
int nowhite(), open(), fscan(), nscan()
pointer immap(), imofnlu(), imgnfn()
errchk open
begin
call smark (sp)
call salloc (key, SZ_FNAME, TY_CHAR)
call salloc (str, SZ_LINE, TY_CHAR)
nids = 0
nalloc = 0
call apgstr ("apidtable", Memc[key], SZ_FNAME)
if (nowhite (Memc[key], Memc[key], SZ_FNAME) > 0) {
iferr {
# Read aperture information from an image.
ifnoerr (im = immap (Memc[key], READ_ONLY, 0)) {
list = imofnlu (im, "SLFIB[0-9]*")
while (imgnfn (list, Memc[key], SZ_FNAME) != EOF) {
call imgstr (im, Memc[key], Memc[str], SZ_LINE)
call sscan (Memc[str])
call gargi (ap)
if (nscan() == 0)
next
if (ap < 1) {
call imcfnl (list)
call imunmap (im)
call error (1,
"Aperture numbers in apidtable must be > 0")
}
if (nalloc == 0) {
nalloc = 50
call malloc (aps, nalloc, TY_INT)
call malloc (beams, nalloc, TY_INT)
call malloc (titles, nalloc, TY_POINTER)
} else if (nids == nalloc) {
nalloc = nalloc + 50
call realloc (aps, nalloc, TY_INT)
call realloc (beams, nalloc, TY_INT)
call realloc (titles, nalloc, TY_POINTER)
}
Memi[aps+nids] = ap
call gargi (Memi[beams+nids])
call gargd (ra)
call gargd (dec)
if (nscan() != 4) {
call reset_scan ()
call gargi (ap)
call gargi (beam)
Memc[str] = EOS
call gargstr (Memc[str], SZ_LINE)
call xt_stripwhite (Memc[str])
if (Memc[str] == EOS)
Memi[titles+nids] = NULL
else {
call malloc (Memi[titles+nids], SZ_APTITLE,
TY_CHAR)
call strcpy (Memc[str], Memc[Memi[titles+nids]],
SZ_APTITLE)
}
} else {
Memc[str] = EOS
call gargstr (Memc[str], SZ_LINE)
call xt_stripwhite (Memc[str])
call malloc (Memi[titles+nids], SZ_APTITLE, TY_CHAR)
if (Memc[str] == EOS) {
call sprintf (Memc[Memi[titles+nids]],
SZ_APTITLE, "(%.2h %.2h)")
call pargd (ra)
call pargd (dec)
} else {
call sprintf (Memc[Memi[titles+nids]],
SZ_APTITLE, "%s (%.2h %.2h)")
call pargstr (Memc[str])
call pargd (ra)
call pargd (dec)
}
}
nids = nids + 1
}
call imcfnl (list)
call imunmap (im)
# Read aperture information from a file.
} else {
fd = open (Memc[key], READ_ONLY, TEXT_FILE)
while (fscan (fd) != EOF) {
call gargi (ap)
if (nscan() == 0)
next
if (ap < 1) {
call close (fd)
call error (1,
"Aperture numbers in apidtable must be > 0")
}
if (nalloc == 0) {
nalloc = 50
call malloc (aps, nalloc, TY_INT)
call malloc (beams, nalloc, TY_INT)
call malloc (titles, nalloc, TY_POINTER)
} else if (nids == nalloc) {
nalloc = nalloc + 50
call realloc (aps, nalloc, TY_INT)
call realloc (beams, nalloc, TY_INT)
call realloc (titles, nalloc, TY_POINTER)
}
Memi[aps+nids] = ap
Memi[beams+nids] = ap
Memc[str] = EOS
call gargi (beam)
if (nscan() == 2)
Memi[beams+nids] = beam
call gargstr (Memc[str], SZ_LINE)
call xt_stripwhite (Memc[str])
if (Memc[str] == EOS)
Memi[titles+nids] = NULL
else {
call malloc (Memi[titles+nids], SZ_APTITLE, TY_CHAR)
call strcpy (Memc[str], Memc[Memi[titles+nids]],
SZ_APTITLE)
}
nids = nids + 1
}
call close (fd)
}
} then
call erract (EA_WARN)
}
if (nalloc > nids) {
call realloc (aps, nids, TY_INT)
call realloc (beams, nids, TY_INT)
call realloc (titles, nids, TY_INT)
}
if (nids > 0) {
call malloc (ids, IDS_LEN, TY_STRUCT)
IDS_NIDS(ids) = nids
IDS_APS(ids) = aps
IDS_BEAMS(ids) = beams
IDS_TITLES(ids) = titles
}
call sfree (sp)
end
procedure ap_fids (ids)
pointer ids # ID structure
int i
begin
if (ids != NULL) {
do i = 1, IDS_NIDS(ids)
call mfree (Memi[IDS_TITLES(ids)+i-1], TY_CHAR)
call mfree (IDS_APS(ids), TY_INT)
call mfree (IDS_BEAMS(ids), TY_INT)
call mfree (IDS_TITLES(ids), TY_POINTER)
call mfree (ids, TY_STRUCT)
}
end
# AP_IDS -- Set aperture IDs
# Do not allow negative or zero aperture numbers.
procedure ap_ids (aps, naps, ids)
pointer aps[ARB] # Aperture pointers
int naps # Number of apertures
int ids # ID structure
int i, j, k, l, m, axis, nids, ap, beam, skip, nused
real maxsep, apgetr()
pointer sp, used, a, b
begin
if (naps < 1)
return
axis = AP_AXIS(aps[1])
maxsep = apgetr ("maxsep")
# Dereference ID structure pointers.
if (ids != NULL) {
nids = IDS_NIDS(ids)
a = IDS_APS(ids)
b = IDS_BEAMS(ids)
} else
nids = 0
# Make a list of used aperture numbers
call smark (sp)
call salloc (used, naps, TY_INT)
nused = 0
do i = 1, naps
if (!IS_INDEFI(AP_ID(aps[i]))) {
Memi[used+nused] = AP_ID(aps[i])
nused = nused + 1
}
# Find first aperture with a defined aperture number.
for (i=1; i<=naps && IS_INDEFI(AP_ID(aps[i])); i=i+1)
;
# If there are no defined aperture numbers start with 1 or first
# aperture in the ID table.
if (i > naps) {
i = 1
if (nids > 0) {
ap = Memi[a]
beam = Memi[b]
} else {
ap = i
beam = ap
}
AP_ID(aps[i]) = ap
AP_BEAM(aps[i]) = beam
Memi[used+nused] = ap
nused = nused + 1
} else {
ap = AP_ID(aps[i])
for (l = 1; l <= nids && ap != Memi[a+l-1]; l = l + 1)
;
if (l <= nids)
AP_BEAM(aps[i]) = Memi[b+l-1]
else
AP_BEAM(aps[i]) = ap
}
# Work backwards through the undefined apertures.
for (j = i - 1; j > 0; j = j - 1) {
skip = abs (AP_CEN(aps[j],axis)-AP_CEN(aps[j+1],axis)) / maxsep
if (ids != NULL) {
ap = AP_ID(aps[j+1])
for (l = 1; l <= nids && ap != Memi[a+l-1]; l = l + 1)
;
if (nids <= naps)
skip = 0
m = l - skip
if (l > nids) {
l = 1
for (k = 2; k <= nids; k = k + 1)
if (abs (ap - Memi[a+k-1]) < abs (ap - Memi[a+l-1]))
l = k
m = l - skip + 1
}
repeat {
m = m - 1
if (m > 0) {
ap = Memi[a+m-1]
beam = Memi[b+m-1]
} else {
ap = Memi[a+l-1] + m
beam = max (0, Memi[b+l-1] + m)
}
if (ap == 0)
next
for (k = 0; k < nused && abs(ap) != Memi[used+k]; k = k + 1)
;
if (k == nused)
break
}
} else {
ap = AP_ID(aps[j+1]) - skip
repeat {
ap = ap - 1
beam = abs (ap)
if (ap == 0)
next
for (k = 0; k < nused && abs(ap) != Memi[used+k]; k = k + 1)
;
if (k == nused)
break
}
}
ap = abs (ap)
AP_ID(aps[j]) = ap
AP_BEAM(aps[j]) = beam
Memi[used+nused] = ap
nused = nused + 1
}
# Work forwards through the undefined apertures.
for (i = i + 1; i <= naps; i = i + 1) {
if (IS_INDEFI(AP_ID(aps[i]))) {
skip = abs (AP_CEN(aps[i],axis)-AP_CEN(aps[i-1],axis)) / maxsep
if (nids > 0) {
ap = AP_ID(aps[i-1])
for (l = 1; l <= nids && ap != Memi[a+l-1]; l = l + 1)
;
if (nids <= naps)
skip = 0
m = l + skip
if (l > nids) {
l = 1
for (k = 2; k <= nids; k = k + 1)
if (abs (ap-Memi[a+k-1]) < abs (ap-Memi[a+l-1]))
l = k
m = l + skip - 1
}
m = nids - m + 1
repeat {
m = m - 1
if (m > 0) {
ap = Memi[a+nids-m]
beam = Memi[b+nids-m]
} else {
ap = Memi[a+l-1] - m
beam = max (0, Memi[b+l-1] - m)
}
if (ap == 0)
next
for (k=0; k<nused && abs(ap)!=Memi[used+k]; k=k+1)
;
if (k == nused)
break
}
} else {
ap = AP_ID(aps[i-1]) + skip
repeat {
ap = ap + 1
beam = abs (ap)
if (ap == 0)
next
for (k=0; k<nused && abs(ap)!=Memi[used+k]; k=k+1)
;
if (k == nused)
break
}
}
ap = abs(ap)
AP_ID(aps[i]) = ap
AP_BEAM(aps[i]) = beam
Memi[used+nused] = ap
nused = nused + 1
}
}
call sfree (sp)
end
procedure ap_titles (aps, naps, ids)
pointer aps[ARB] # Aperture pointers
int naps # Number of apertures
pointer ids # ID structure
int i, j, nids
pointer a, titles, title
begin
if (ids == NULL)
return
nids = IDS_NIDS(ids)
a = IDS_APS(ids)
titles = IDS_TITLES(ids)
do i = 1, naps {
if (AP_TITLE(aps[i]) != NULL)
next
do j = 1, nids {
if (AP_ID(aps[i]) == Memi[a+j-1]) {
title = Memi[titles+j-1]
if (title != NULL) {
if (AP_TITLE(aps[i]) == NULL)
call malloc (AP_TITLE(aps[i]), SZ_APTITLE, TY_CHAR)
call strcpy (Memc[title], Memc[AP_TITLE(aps[i])],
SZ_APTITLE)
} else if (AP_TITLE(aps[i]) != NULL)
call mfree (AP_TITLE(aps[i]), TY_CHAR)
}
}
}
end
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