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············· .`>l.gmi&
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macro 正文：········· )]c3bMVE-
! centroid.zpl ]_: TrH
! f
H|QAMfOu
! Written by Kenneth Moore 9/1/92 &_/%2qs
! Added TIMER function 4/18/96 2, "q_d'V
! J7 wQ=! g
TIMER _ c
]3nzIr
! 0$L0fhw.
! The delta controls how many rays will be traced. A @U3foL2\
! delta of .025 will trace a 80 x 80 grid in the pupil. 1~5q :X
! R 4$Q3vcH
delta = .025 ,' r L'Ys
! dEd ]U49u
print "This program computes the chief ray coordinates," t)gi.Ed1"L
print "centroid coordinates, and middle coordinates for" \btR^;_\A
print "the primary wave spot at each field position." ,mjfZ*N
maxfield = maxf() h>Uid
&:?
if maxfield == 0 then maxfield = 1 ca/o#9:N`:
n = nsur() hQ}7Z&O
f = 1 }{wTlR.]
label 1 ,)rZAI
hx = fldx(f)/maxfield ?(/j< ,m^
hy = fldy(f)/maxfield O(D5A?tv!
raytrace hx,hy,0,0 7XVzd]jH
format 10.4 FfxX)p1t
print &xBK\
print " X Field = ", fldx(f), ,d>X/kd|o
print " Y Field = ", fldy(f) o d}EM_
print " X Chief = ",rayx(n), V(2j*2R!
print " Y Chief = ",rayy(n) -e{)v' C)
xraymax = -9e9 qH
h' l;.
yraymax = -9e9 C?60` ^
xraymin = 9e9 nRXSW&V"m
yraymin = 9e9 o\]: !#r{T
xraytot = 0 lQdnL.w$.4
yraytot = 0 3cCK"kr
numray = 0 h-La'}>?
numrayattempt = 0 fEj9R@u+h
px = -1 - delta _[TH@fO6:
label 2 O J35En
px = px + delta sArje(5Eo
py = -1 - delta C '-zh\a
label 3 &8]#RQy{f
py = py + delta 9'n))%CZ.
rad = px*px + py*py S~k 0@
if rad <= 0.9999999 r}oURy,5
raytrace hx, hy, px, py -OrY{^F
numrayattempt = numrayattempt+1 vr{'FMc
if !rayv(n) **************************** N4a`8dS|
numray = numray + 1 \m=-8KpU
x = rayx(n) vQK n=
y = rayy(n) BEXQTM3])I
if (x < xraymin) then xraymin = x F<yy>Wf
if (x > xraymax) then xraymax = x [;?"R-V"z
if (y < yraymin) then yraymin = y msc 1^2
if (y > yraymax) then yraymax = y \6SMn6a4
xraytot = xraytot + x ,pyQP^u-
yraytot = yraytot + y C# Hcv*D
endif |oe!P}u
endif %XJQ0CE<(
if py < 1.0 then goto 3 |jahpji6
if px < 1.0 then goto 2 DO&+=o`"
if numray cc|CC
Zl
format 14.8 =PNdP
print " X Centroid = ",xraytot/numray, _{6,.TN
print " Y Centroid = ",yraytot/numray :cc[Jco@w
print " X Middle = ",(xraymax+xraymin)/2, =5y`(0 I`U
print " Y Middle = ",(yraymax+yraymin)/2 lo+xo;Nd
format .0 ~@T+mHny
print " ",numray, " out of ", numrayattempt," rays made it through." 8pYyG
| \
else ^oQekga\l
print " No rays made it through!"
bKk CW
endif T&1-eq >l
f=f+1 xClRO,-
if f<= nfld() then goto 1 F2IC$: e
M
print AH&9Nye8
print "All field positions done!" 5%<TF .;-J
FORMAT 0.1 koOy Z>
print "Elapsed time ", ETIM(), " seconds." r0F_;
