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············· 5k\61 (*s
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macro 正文：········· ] xH `
! centroid.zpl .79'c%3}
! |bBYJ
! Written by Kenneth Moore 9/1/92 sxuYwQ
! Added TIMER function 4/18/96 ^(6 .M\Q
! P"xP%zqo
TIMER UnO -?
! RWoa'lnu
! The delta controls how many rays will be traced. A W}Z|v
M$
! delta of .025 will trace a 80 x 80 grid in the pupil. "C0oFRk
! \y0abxIHS
delta = .025 BGA.8qWR4
! M"V?fn'
print "This program computes the chief ray coordinates," '7E?|B0],
print "centroid coordinates, and middle coordinates for" {WC{T2:8
print "the primary wave spot at each field position." QGYmQ9m{kL
maxfield = maxf() #=zh&`
if maxfield == 0 then maxfield = 1 dwmj*+
n = nsur() 7d9%L}+q
f = 1 fYH%vr)
label 1 av5l gv)3
hx = fldx(f)/maxfield 1YS{;
y[o
hy = fldy(f)/maxfield ?5+=
raytrace hx,hy,0,0 ci*Z9&eS+
format 10.4 5X[=Q>
print ?p}m[9@
print " X Field = ", fldx(f), ~A6QX8a
print " Y Field = ", fldy(f) yTmoEy. q
print " X Chief = ",rayx(n), m"xw5aa>
print " Y Chief = ",rayy(n) T"dEa-O
xraymax = -9e9
ft$/-;
yraymax = -9e9 ^(a %B
xraymin = 9e9 ^TDHPBlG
yraymin = 9e9 ,H.q%!{h_
xraytot = 0 h "q`gj
yraytot = 0 G-T:7
numray = 0 *,z_ _S$Q)
numrayattempt = 0 ^Dd$8$?[
px = -1 - delta oU{m\r
label 2 /tV)8pEj
px = px + delta yyBy|7QgO
py = -1 - delta :}j{ NM#
label 3 wLNO\JP'
py = py + delta U*,5t81
rad = px*px + py*py &
XcY|y=W
if rad <= 0.9999999 3VKA rv-
raytrace hx, hy, px, py !R4`ihi1
numrayattempt = numrayattempt+1 +Pn+&o ;D
if !rayv(n) **************************** + ]Ydf^rF
numray = numray + 1 Au:Q4x.
x = rayx(n) A <AZs~f
y = rayy(n) ?mrG^TV^+r
if (x < xraymin) then xraymin = x LL.YkYu
if (x > xraymax) then xraymax = x elw<(<u`
if (y < yraymin) then yraymin = y @@_f''f$
if (y > yraymax) then yraymax = y KLlW\MF1
xraytot = xraytot + x >Ei_ ##
yraytot = yraytot + y JZN'U<R
endif ?!8M
I,c/
endif %5a>@K]
if py < 1.0 then goto 3 HPm12&8,
if px < 1.0 then goto 2 =3l%ZL/
if numray ^ qY J x
format 14.8 kcI3pmgj
print " X Centroid = ",xraytot/numray, 2 et7Vw
print " Y Centroid = ",yraytot/numray A Ehh
6v
print " X Middle = ",(xraymax+xraymin)/2, LbvnV~S
print " Y Middle = ",(yraymax+yraymin)/2 0I& !a$:
format .0 b`fPP{m G
print " ",numray, " out of ", numrayattempt," rays made it through." a\aJw[d{
else h0d ;a
print " No rays made it through!" : xB<Rq
endif
x.~Z9j
f=f+1 fD]}&xc
if f<= nfld() then goto 1 8`kK )iC q
print i\2~yXw\
print "All field positions done!" DNC2]kS<
FORMAT 0.1 `/8Dm g
print "Elapsed time ", ETIM(), " seconds." ytK h[Uo
