最近闲的无聊，看zemax的macro 下面有个宏里自带的macro，原样附下，讨论下标记为 ****************************的作用，为什么要以渐晕为判断标准，这个渐晕的真正作用是干什么的？附下RAYV（）->如果无渐晕则为0，否则为渐晕面的编号。(0 if ray was not vignetted,else vignetted surface number.valid only after a RAYTRACE or RAYTRACEEX call)。若大神赐教，小弟感激流涕············· /1`cRyS
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macro 正文：········· 5yVkb*8HS
! centroid.zpl ,pBh`av
! A%\tiZe
! Written by Kenneth Moore 9/1/92 Ay{t254 /
! Added TIMER function 4/18/96 lHB) b}7E
! X _$a,"'~)
TIMER eb|i 3.
! ueG|*[
! The delta controls how many rays will be traced. A `8\Ja$ =
! delta of .025 will trace a 80 x 80 grid in the pupil. *U l*%!?D
! S|B$c E
delta = .025 '!1$9o^$
! ,DnYtIERo
print "This program computes the chief ray coordinates," 4@ ;-%H&7
print "centroid coordinates, and middle coordinates for" nIfCF,6,
print "the primary wave spot at each field position." ,L OQD Iyn
maxfield = maxf() GYB+RU}],
if maxfield == 0 then maxfield = 1 m?[5J)eR
n = nsur() {I{:GcS
f = 1 #2xSyOrmf
label 1 VzlDHpG
hx = fldx(f)/maxfield OV k ~ N)
hy = fldy(f)/maxfield Vga -@
raytrace hx,hy,0,0 !8tS|C#2
format 10.4 /Y^8SO4
print c3
&m9zC
print " X Field = ", fldx(f), as"N=\N
print " Y Field = ", fldy(f) G&f7+e
print " X Chief = ",rayx(n), 4QJ 8Z t
print " Y Chief = ",rayy(n) cyd~2\Kv~
xraymax = -9e9 %G3sjnI;l
yraymax = -9e9 jQj,q{eA
xraymin = 9e9 8n? kZY$,
yraymin = 9e9 P(om fD4
xraytot = 0 |Wj;QO$C
yraytot = 0 %|XE#hw
numray = 0 H]#Rg`~n
numrayattempt = 0 99 wc
px = -1 - delta o!&W sD
label 2 v@EQ^C2.&
px = px + delta gd6Dm4q(
py = -1 - delta Ov9 Q?8KzM
label 3 @=uN\) 1
py = py + delta '7I g.K&
rad = px*px + py*py *9gD*AnM,
if rad <= 0.9999999 CL 7Nr@
raytrace hx, hy, px, py d @rs3Q1z
numrayattempt = numrayattempt+1 #^mqQRpgq
if !rayv(n) **************************** CV.+P -
numray = numray + 1 rlznwfr7 +
x = rayx(n) PK r ek
y = rayy(n) RB3 zHk%
if (x < xraymin) then xraymin = x (%< ' A
if (x > xraymax) then xraymax = x Lu>H`B7Q"
if (y < yraymin) then yraymin = y %"Db?
if (y > yraymax) then yraymax = y NO>k
xraytot = xraytot + x B/eaqJ
yraytot = yraytot + y GHN3PEJ>
endif &:#m&,tQ
endif \3PE+$
if py < 1.0 then goto 3 ]HvZ$
if px < 1.0 then goto 2 AZZRa69=
if numray 0\a8}b||
format 14.8 G?V"SU.
print " X Centroid = ",xraytot/numray, %%g-GyP
1
print " Y Centroid = ",yraytot/numray |pWaBh|r
print " X Middle = ",(xraymax+xraymin)/2, YL5>V$ i
print " Y Middle = ",(yraymax+yraymin)/2 $3\yf?m}q
format .0 d(L{!mm
print " ",numray, " out of ", numrayattempt," rays made it through." Gq]d:-7l
else bsO@2NP'
print " No rays made it through!" }e=e",eAT
endif T{ -2fp8r[
f=f+1 d\Jji 6W
if f<= nfld() then goto 1 e.X@] PQJQ
print ?q%b*Ek
print "All field positions done!" Fh`-(,e?5
FORMAT 0.1 G :4;y7
print "Elapsed time ", ETIM(), " seconds." N8+P
