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············· k&]nF,f
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macro 正文：········· /~[Lr
! centroid.zpl S\e&xUA;|
! &v{Ehkr*
! Written by Kenneth Moore 9/1/92 5</$dcG
! Added TIMER function 4/18/96 &_ekA44 E
! I &t~o
TIMER g{65 QP
! {m.$ EoS
! The delta controls how many rays will be traced. A wHc
my
! delta of .025 will trace a 80 x 80 grid in the pupil. $cCC
1=dW
! \*xB<mq
delta = .025 ~U9K<_U
! &XP(D5lf`B
print "This program computes the chief ray coordinates," -u2i"I730
print "centroid coordinates, and middle coordinates for" B`5<sW
print "the primary wave spot at each field position." jVj5 ; }
maxfield = maxf() #o.e
(C
if maxfield == 0 then maxfield = 1 RLB3 -=9t
n = nsur() RK>Pe3<
f = 1 `2s!%/
label 1 z ^gJy,T
hx = fldx(f)/maxfield E9HMhUe
hy = fldy(f)/maxfield kSQ8kU_w+
raytrace hx,hy,0,0 <B"sp r&1
format 10.4 [VCC+_
print rH+OXGoB
print " X Field = ", fldx(f), c7Z4u|G
print " Y Field = ", fldy(f) _FLEz|%~
print " X Chief = ",rayx(n), hRcb}>pr
print " Y Chief = ",rayy(n) o`?rj!\
xraymax = -9e9 S&o p|Z)1
yraymax = -9e9 l\HdB"nT
xraymin = 9e9 _"DS?`z6
yraymin = 9e9 I5$P9UE+^9
xraytot = 0 Nk `UQ~g$
yraytot = 0 uy' ghF
numray = 0 `2~>$Tr
numrayattempt = 0 W .7rHa
px = -1 - delta 1^p/#jt
label 2 sGvbL-S-f:
px = px + delta OW:*qY c;:
py = -1 - delta Zo9<96I&
label 3 Kz 4S6N c
py = py + delta :QCL9QZ'
rad = px*px + py*py yC,/R371k
if rad <= 0.9999999 `+J Fvn!
raytrace hx, hy, px, py yqK4 "F&
numrayattempt = numrayattempt+1 N0U/u'J!g
if !rayv(n) **************************** l^B.iB
numray = numray + 1 *dzZOe>,
x = rayx(n) {Z.6\G&q
y = rayy(n) kmuksT\)a
if (x < xraymin) then xraymin = x dj|5' <l2
if (x > xraymax) then xraymax = x 97}]@xN=
if (y < yraymin) then yraymin = y B{-7
if (y > yraymax) then yraymax = y 0P^h6Vat
xraytot = xraytot + x WA{ igj@\
yraytot = yraytot + y F /b`[
endif eE;tiX/
endif \>L,X _DL
if py < 1.0 then goto 3 3:%k
pnO
if px < 1.0 then goto 2 A 5? "
if numray 7*'/E#M
format 14.8 yoi4w 7:
print " X Centroid = ",xraytot/numray, N!A20Bv
print " Y Centroid = ",yraytot/numray 'nJF:+30ZH
print " X Middle = ",(xraymax+xraymin)/2, )n/%P4l
print " Y Middle = ",(yraymax+yraymin)/2 #%"q0"
format .0 WKf <%
E$
print " ",numray, " out of ", numrayattempt," rays made it through." gU9{~-9}
else l/$GF|`U
print " No rays made it through!" z*Sm5i&)_q
endif gjF5~
`
f=f+1 sE9FT#iE
if f<= nfld() then goto 1 ~m%[d.
}e
print yTaMlT|
print "All field positions done!" D{|q P
nE4
FORMAT 0.1 C2LPLquD+
print "Elapsed time ", ETIM(), " seconds." O9gq <d
