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# LISTONLY -- List processing to be done.
#
# This follows pretty much the same logic as the full procedure but doesn't
# do anything but list the operations.
procedure listonly (objects, apref, flat, arcs, scattered, dispcor,
redo, update)
string objects = "" {prompt="List of object spectra"}
file apref = "" {prompt="Aperture reference spectrum"}
file flat = "" {prompt="Flat field spectrum"}
string arcs = "" {prompt="List of arc spectra"}
bool scattered {prompt="Subtract scattered light?"}
bool dispcor {prompt="Dispersion correct spectra?"}
bool redo {prompt="Redo operations if previously done?"}
bool update {prompt="Update spectra if cal data changes?"}
struct *fd1
struct *fd2
begin
string imtype, ectype
string spec, arcref
string specec, arcrefec, response
string temp1, temp2, done, str
bool reextract, newaps, newresp, newdisp, extract, disp, scat
int i, j, n
imtype = "." // envget ("imtype")
i = stridx (",", imtype)
if (i > 0)
imtype = substr (imtype, 1, i-1)
ectype = ".ec" // imtype
n = strlen (imtype)
temp1 = mktemp ("tmp$iraf")
temp2 = mktemp ("tmp$iraf")
done = mktemp ("tmp$iraf")
newaps = no
newresp = no
newdisp = no
i = strlen (apref)
if (i > n && substr (apref, i-n+1, i) == imtype)
apref = substr (apref, 1, i-n)
reextract = redo
if (reextract || !access (database // "/ap" // apref)) {
print ("Set reference aperture for ", apref)
newaps = yes
}
if (flat != "") {
response = flat
i = strlen (response)
if (i > n && substr (response, i-n+1, i) == imtype)
response = substr (response, 1, i-n)
response = response // "norm.ec"
reextract = redo || (update && newaps)
scat = no
if (scattered) {
hselect (flat, "apscatte", yes, > temp2)
fd2 = temp2
if (fscan (fd2, str) < 1)
scat = yes
fd2 = ""; delete (temp2, verify=no)
}
if (reextract || !access (response // imtype) || (update && scat)) {
if (scat)
print ("Subtract scattered light from ", flat)
print ("Create response function ", response)
newresp = yes
}
}
if (dispcor) {
hselect (arcs, "$I", yes, > temp1)
#sections (arcs, option="fullname", > temp1)
fd1 = temp1
i = fscan (fd1, arcref)
if (i < 1)
error (1, "No reference arcs")
fd1 = ""; delete (temp1, verify=no)
i = strlen (arcref)
if (i > n && substr (arcref, i-n+1, i) == imtype)
arcref = substr (arcref, 1, i-n)
arcrefec = arcref // ectype
reextract = redo || (update && newaps)
if (reextract || !access (arcrefec)) {
print ("Extract arc reference image ", arcref)
print ("Determine dispersion solution for ", arcref)
newdisp = yes
} else {
hselect (arcrefec, "refspec1,dc-flag", yes, > temp1)
fd1 = temp1
i = fscan (fd1, str, j)
fd1 = ""; delete (temp1, verify=no)
if (i < 1) {
print ("Determine dispersion solution for ", arcref)
newdisp = yes
}
}
print (arcref, > done)
}
reextract = redo || (update && (newaps || newresp || newdisp))
hselect (objects, "$I", yes, > temp1)
#sections (objects, option="fullname", > temp1)
fd1 = temp1
while (fscan (fd1, spec) != EOF) {
if (i > n && substr (spec, i-n+1, i) == imtype)
spec = substr (spec, 1, i-n)
if (access (done)) {
fd2 = done
while (fscan (fd2, specec) != EOF)
if (spec == specec)
break
if (spec == specec)
next
fd2 = ""
}
specec = spec // ectype
scat = no
extract = no
disp = no
if (scattered) {
hselect (spec, "apscatte", yes, > temp2)
fd2 = temp2
if (fscan (fd2, str) < 1)
scat = yes
fd2 = ""; delete (temp2, verify=no)
}
if (reextract || !access (specec) || (update && scat)) {
extract = yes
} else {
hselect (specec, "dc-flag", yes, > temp2)
fd2 = temp2
extract = update && newaps
if (fscan (fd2, str) == 1)
extract = update && newdisp
else
disp = yes
fd2 = ""; delete (temp2, verify=no)
}
if (extract)
disp = dispcor
if (scat)
print ("Subtract scattered light from ", spec)
if (extract)
print ("Extract object spectrum ", spec)
if (disp)
print ("Dispersion correct ", spec)
}
fd1 = ""; delete (temp1, verify=no)
if (access (done))
delete (done, verify=no)
end
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