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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, apidtable, apref, flat, throughput, arcs1, arcs2,
scattered, dispcor, skysubtract, redo, update)
string objects = "" {prompt="List of object spectra"}
file apidtable = "" {prompt="Aperture ID table"}
file apref = "" {prompt="Aperture reference spectrum"}
file flat = "" {prompt="Flat field spectrum"}
file throughput = "" {prompt="Throughput file or image"}
string arcs1 = "" {prompt="List of arc spectra"}
string arcs2 = "" {prompt="List of shift arc spectra"}
bool scattered {prompt="Subtract scattered light?"}
bool dispcor {prompt="Dispersion correct spectra?"}
bool skysubtract {prompt="Subtract sky?"}
bool redo = no {prompt="Redo operations if previously done?"}
bool update = yes {prompt="Update spectra if cal data changes?"}
struct *fd1
struct *fd2
begin
string imtype, mstype, extn
string spec, arcref1, arcref2
string specms, arcref1ms, arcref2ms, response
string objs, temp, done, str
bool reextract, newaps, newresp, newdisp, scat, extract, disp, sky
int i, j, n, dc
imtype = "." // envget ("imtype")
i = stridx (",", imtype)
if (i > 0)
imtype = substr (imtype, 1, i-1)
mstype = ".ms" // imtype
n = strlen (imtype)
objs = mktemp ("tmp$iraf")
temp = mktemp ("tmp$iraf")
done = mktemp ("tmp$iraf")
if (apidtable != "") {
j = strlen (apidtable)
for (i=1; i<=j && substr(apidtable,i,i)==" "; i+=1);
apidtable = substr (apidtable, i, j)
}
i = strlen (apidtable)
if (i == 0)
extn = ".ms"
else {
extn = apidtable
while (yes) {
i = stridx ("/$]", extn)
if (i == 0)
break
j = strlen (extn)
extn = substr (extn, i+1, j)
}
extn = extn // ".ms"
}
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 // extn)) {
print ("Set reference aperture for ", apref)
newaps = yes
}
i = strlen (flat)
if (i > n && substr (flat, i-n+1, i) == imtype)
flat = substr (flat, 1, i-n)
if (flat != "") {
scat = no
if (scattered) {
if (redo && access (flat//"noscat"//imtype))
hselect (flat//"noscat", "apscatte", yes) | scan (str)
else
hselect (flat, "apscatte", yes) | scan (str)
if (nscan() == 0)
scat = yes
}
if (scat)
print ("Subtract scattered light from ", flat)
}
spec = throughput
i = strlen (spec)
if (i > n && substr (spec, i-n+1, i) == imtype)
spec = substr (spec, 1, i-n)
if (spec != "") {
scat = no
if (scattered) {
if (redo && access (flat//"noscat"//imtype))
hselect (flat//"noscat", "apscatte", yes) | scan (str)
else
hselect (flat, "apscatte", yes) | scan (str)
if (nscan() == 0)
scat = yes
}
if (scat)
print ("Subtract scattered light from ", spec)
}
response = ""
if (flat != "" || spec != "") {
if (extn == ".ms")
response = flat // spec // "norm.ms"
else
response = flat // spec // extn
reextract = redo || (update && newaps)
if (reextract || !access (response // imtype) || (redo && scat)) {
print ("Create response function ", response)
newresp = yes
}
}
if (dispcor) {
getspec (arcs1, temp)
fd1 = temp
if (fscan (fd1, arcref1) == EOF)
error (1, "No reference arcs")
fd1 = ""; delete (temp, verify=no)
arcref1ms = arcref1 // extn
getspec (arcs2, temp)
fd1 = temp
if (fscan (fd1, arcref2) == EOF)
arcref2 = ""
fd1 = ""; delete (temp, verify=no)
arcref2ms = arcref2 // extn
reextract = redo || (update && newaps)
if (reextract || !access (arcref1ms//imtype)) {
print ("Extract arc reference image ", arcref1)
print ("Determine dispersion solution for ", arcref1)
newdisp = yes
} else {
hselect (arcref1ms, "dclog1", yes, > temp)
fd1 = temp
dc = -1
i = fscan (fd1, dc)
fd1 = ""; delete (temp, verify=no)
if (i < 1) {
print ("Determine dispersion solution for ", arcref1)
newdisp = yes
}
}
print (arcref1, > done)
if (arcref2 != "") {
if (reextract || !access (arcref2ms//imtype) || newdisp) {
print ("Extract shift arc reference image ", arcref2)
print ("Determine dispersion solution for ", arcref2)
} else {
hselect (arcref2ms, "dclog1", yes, > temp)
fd1 = temp
dc = -1
i = fscan (fd1, dc)
fd1 = ""; delete (temp, verify=no)
if (i < 1)
print ("Determine dispersion solution for ", arcref2)
}
}
print (arcref2, >> done)
}
reextract = redo || (update && (newaps || newresp || newdisp))
getspec (objects, objs)
fd1 = objs
while (fscan (fd1, spec) != EOF) {
if (access (done)) {
fd2 = done
while (fscan (fd2, specms) != EOF)
if (spec == specms)
break
if (spec == specms)
next
fd2 = ""
}
specms = spec // mstype
scat = no
extract = no
disp = no
sky = no
if (scattered) {
if (redo && access (spec//"noscat"//imtype))
hselect (spec//"noscat", "apscatte", yes) | scan (str)
else
hselect (spec, "apscatte", yes) | scan (str)
if (nscan() == 0)
scat = yes
}
if (reextract || !access (specms) || (redo && scat))
extract = yes
else {
hselect (specms, "dclog1", yes) | scan (str)
if (nscan() == 0)
disp = yes
else
extract = update && newdisp
hselect (specms, "skysub", yes) | scan (str)
if (nscan() == 0)
sky = skysubtract
}
if (extract) {
disp = dispcor
sky = skysubtract
}
if (scat)
print ("Subtract scattered light from ", spec)
if (extract)
print ("Extract object spectrum ", spec)
if (disp)
print ("Dispersion correct ", spec)
if (sky)
print ("Sky subtract ", spec)
}
fd1 = ""; delete (objs, verify=no)
if (access (done))
delete (done, verify=no)
end
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