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············· NjScc%@y
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macro 正文：········· $\BE& 4g
! centroid.zpl gIa+5\qYY
! HxV=F66"
! Written by Kenneth Moore 9/1/92 =E 4LRKn
! Added TIMER function 4/18/96 g" DG]/ev
! a=9:[
TIMER ay
;S4c/_
! gMmaK0uhS
! The delta controls how many rays will be traced. A ?
7n`A >T
! delta of .025 will trace a 80 x 80 grid in the pupil. 61>.vT8P
! 5h-SCB>P
delta = .025 rC% *$g $
! C. yQ=\U2
print "This program computes the chief ray coordinates," z uad~%D<I
print "centroid coordinates, and middle coordinates for" 9G#n 0&wRJ
print "the primary wave spot at each field position." 4y?n
[/M/
maxfield = maxf() Y-_`23x`
if maxfield == 0 then maxfield = 1 jh%Eq+#S
n = nsur() KNvZm;Q6
f = 1 Uw. `7b> B
label 1 Nho>f
hx = fldx(f)/maxfield U0y% u
hy = fldy(f)/maxfield rdP[<Y9
raytrace hx,hy,0,0 36 Zf^cFJ
format 10.4 x7&B$.>3
print q460iL7yF}
print " X Field = ", fldx(f), ]Kt6^|S$a
print " Y Field = ", fldy(f) DS(}<HK{
print " X Chief = ",rayx(n), {j?FNO Jn
print " Y Chief = ",rayy(n) 5h=} j
xraymax = -9e9 vjG o;+K
yraymax = -9e9 Q:G4Z9Kt
xraymin = 9e9 {9&;Q|D z
yraymin = 9e9 W.f / pu
xraytot = 0 30#s a GV
yraytot = 0 #uG%j
numray = 0 XH 4
numrayattempt = 0 { M4gF8(M
px = -1 - delta mP~QWx![N
label 2 JxdDC^> 0
px = px + delta D&&9^t9S
py = -1 - delta #4Rx]zW^%
label 3 kzQ+j8.,U
py = py + delta ~F|+o}a `
rad = px*px + py*py 3=P]x ;[ba
if rad <= 0.9999999 45@ I *`
raytrace hx, hy, px, py u"cV%(#
numrayattempt = numrayattempt+1 +K:Dx!9
if !rayv(n) **************************** }_M~2L?i
numray = numray + 1 y*jp79G
x = rayx(n) /!yU !`bY
y = rayy(n) ,G bR!j@6
if (x < xraymin) then xraymin = x ,F8 Y n5 h
if (x > xraymax) then xraymax = x )Pa'UGY
if (y < yraymin) then yraymin = y Ct <udO
if (y > yraymax) then yraymax = y /$xU
xraytot = xraytot + x shy-Gu&
yraytot = yraytot + y ,*TmIPNK
endif p SH=%u>
endif K *vt;L
if py < 1.0 then goto 3 rK6l8)o
if px < 1.0 then goto 2 hc(#{]].
if numray j|DsG,
format 14.8 E1 aHKjLQ
print " X Centroid = ",xraytot/numray, *MFIV02[N
print " Y Centroid = ",yraytot/numray FBe;1OU
print " X Middle = ",(xraymax+xraymin)/2, ]KKS"0a
print " Y Middle = ",(yraymax+yraymin)/2 5K1)1E/Fu
format .0 B?gOHG*vd>
print " ",numray, " out of ", numrayattempt," rays made it through." lBL ARz&c#
else }# RakV4
print " No rays made it through!" ~|D Ut
endif ~~/|dh5
f=f+1 kYP#SH/
if f<= nfld() then goto 1 e{'BAj
print [B*x-R[FI
print "All field positions done!" R6<X%*&%
FORMAT 0.1 ~k-y &<UR
print "Elapsed time ", ETIM(), " seconds." aB 2F C$z
