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············· z\{ y[3-
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macro 正文：········· m o nqaSF
! centroid.zpl b+9M? k"
! ilH Zx2 k
! Written by Kenneth Moore 9/1/92 ZXh6Se4o
! Added TIMER function 4/18/96 ]^$3S
! p~6/
TIMER iG^o@*}a
! Z~[ c65Nlu
! The delta controls how many rays will be traced. A .k|8nNj
! delta of .025 will trace a 80 x 80 grid in the pupil. 2r]80sWY
! N*gnwrP{
delta = .025 '
cR||VX
! gDa}8!+i
print "This program computes the chief ray coordinates," $i;%n1VBg
print "centroid coordinates, and middle coordinates for" Z.ky=vC t
print "the primary wave spot at each field position." }w}2'P'T
maxfield = maxf() |VQ17*4ff1
if maxfield == 0 then maxfield = 1 HN]roSt~
n = nsur() wsY vb I!
f = 1 ~7I XJeo n
label 1 tN&4t
xB
hx = fldx(f)/maxfield w9Bbvr6
hy = fldy(f)/maxfield g4EC[>5!r
raytrace hx,hy,0,0 #?D wOUw
format 10.4 6 GqR]KD
print B>hf|.GI
print " X Field = ", fldx(f), U@T"teGBA
print " Y Field = ", fldy(f) Ii FeO
print " X Chief = ",rayx(n), d Z K /v
print " Y Chief = ",rayy(n) 7&; M"?m&
xraymax = -9e9 fP# !ywgr%
yraymax = -9e9 LX2rg\a+%
xraymin = 9e9 F!( Vg
yraymin = 9e9 ^YiGvZJ
xraytot = 0 K[r <-6TS
yraytot = 0 3 }~.#`QeY
numray = 0 %? -E)n[
numrayattempt = 0 cNOtfn6?F
px = -1 - delta jwhc;y
label 2 d 5 jZ?
px = px + delta /enlkZx=8
py = -1 - delta BQTZt'p
label 3 3Z/_} 5%"
py = py + delta RC?gozBFJ
rad = px*px + py*py :+#$=4
if rad <= 0.9999999 W>W b|W
raytrace hx, hy, px, py v,]-;V~<
numrayattempt = numrayattempt+1 AH-B/c5
if !rayv(n) **************************** 5argw+2s4$
numray = numray + 1 b?i5C4=K
x = rayx(n) rMr :\M]t
y = rayy(n) % ]G'u
if (x < xraymin) then xraymin = x !y_4.&C{
if (x > xraymax) then xraymax = x +guCTGD:
if (y < yraymin) then yraymin = y lidVe]>
if (y > yraymax) then yraymax = y !r^fX=X>'
xraytot = xraytot + x T P3KT)
yraytot = yraytot + y -J &y]'
endif iepol O=
endif &FrUj>i
if py < 1.0 then goto 3 |Yb]@9 >vn
if px < 1.0 then goto 2 oD<aWZ"Z
if numray YOOcHo.F
format 14.8 cvOCBg38BH
print " X Centroid = ",xraytot/numray, m4\e `nl
print " Y Centroid = ",yraytot/numray BN7]u5\7
print " X Middle = ",(xraymax+xraymin)/2, & 6="r }
print " Y Middle = ",(yraymax+yraymin)/2 ( fNG51h!
format .0 Dxvizd>VU
print " ",numray, " out of ", numrayattempt," rays made it through." *? V boyU
else (>49SOu;$\
print " No rays made it through!" 'Nkd *
endif Q l#y7HW
f=f+1 B<$(Nb5<
if f<= nfld() then goto 1 iH a:6
print ]C'^&:&<
print "All field positions done!" !}lCwV
FORMAT 0.1 (jmF7XfU
print "Elapsed time ", ETIM(), " seconds." B)/L[ )S
