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············· eYER "E
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! centroid.zpl "k8Yc<`u
! V-y"@0%1
! Written by Kenneth Moore 9/1/92 Br}&
! Added TIMER function 4/18/96 NV|[.g=lg
! ]%{.zl!
TIMER RG'Ft]l92N
! OX"^a $
! The delta controls how many rays will be traced. A hnQDm$k
! delta of .025 will trace a 80 x 80 grid in the pupil. Nh I&wl
! ,&DK*LT8U
delta = .025 +h64idM{U
! V)$y
print "This program computes the chief ray coordinates," _f~(g1sE
print "centroid coordinates, and middle coordinates for" $`2rtF
print "the primary wave spot at each field position." +<G |Ru-
maxfield = maxf() ;g3z?Uz)
if maxfield == 0 then maxfield = 1 N2?o6)
n = nsur() m3apeIEi[
f = 1 KjrUTG 0oA
label 1 V~Zi #o
hx = fldx(f)/maxfield qk;vn}auD]
hy = fldy(f)/maxfield Zu4|1 W
raytrace hx,hy,0,0 fn%Gu s~
format 10.4 A@8Ot-t:\2
print %idn7STJ}
print " X Field = ", fldx(f), >-2eZ(n)"
print " Y Field = ", fldy(f) vy M E
print " X Chief = ",rayx(n), @}#" o
print " Y Chief = ",rayy(n)
Wc}opp
xraymax = -9e9 ,0'Yj?U>
yraymax = -9e9 4"OUmh9LHB
xraymin = 9e9 >&@hm4
yraymin = 9e9 +GgJFBl
xraytot = 0 )'<B\P/
yraytot = 0 wq[\ Fb `
numray = 0 1g_(xwUp+
numrayattempt = 0 O/X;(qYd
px = -1 - delta
y$n7'W6
label 2 p !+7F\
px = px + delta ISQC{K']J
py = -1 - delta hEO#uA R^Z
label 3 T
;Ga G
py = py + delta QHt;c
rad = px*px + py*py :$bp4+3>
if rad <= 0.9999999 u!k]Q#2ZR
raytrace hx, hy, px, py %X)i-^T
numrayattempt = numrayattempt+1 "6T: &>
if !rayv(n) **************************** IrAc&Eh ul
numray = numray + 1 %+WIv+ <
x = rayx(n) :ZP4(}
y = rayy(n) rAc
Yt 9M#
if (x < xraymin) then xraymin = x _eB?G
if (x > xraymax) then xraymax = x L{v^:
if (y < yraymin) then yraymin = y OH.Re6Rr
if (y > yraymax) then yraymax = y )$V &Nf
xraytot = xraytot + x $ae*3L>5M
yraytot = yraytot + y i|'M'^3r
endif z|Z<S+=f
endif GZ L{~ 7n
if py < 1.0 then goto 3 Zk#^H*jg x
if px < 1.0 then goto 2 .YvE
if numray -Jo8jE~>V
format 14.8 jzuOs,:R
print " X Centroid = ",xraytot/numray, CgLS2
print " Y Centroid = ",yraytot/numray V:M$-6jv
print " X Middle = ",(xraymax+xraymin)/2, #z|\AmZ\
print " Y Middle = ",(yraymax+yraymin)/2 5 z ebH
format .0 +O< 0q "E
print " ",numray, " out of ", numrayattempt," rays made it through." ]!>ThBMa
else ZE#f{qF(
print " No rays made it through!" S.;>:Dd[K
endif KFCL|9P
f=f+1 -*[?E!F
if f<= nfld() then goto 1 Vb|;@*=R&Q
print T [w]w
print "All field positions done!" +k!Y]_&(:f
FORMAT 0.1 j8@ Eqh
print "Elapsed time ", ETIM(), " seconds." hcQvL>
