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············· RZcx4fL }x
75Q XkJu
macro 正文：········· X^?|Sz<^E
! centroid.zpl .j'@K+<45
! 9-X{x95]
! Written by Kenneth Moore 9/1/92 M ,. 0[+
! Added TIMER function 4/18/96 N,'[:{GOY
! C[Y%=\6'0
TIMER vTe$7 7n
! Mp DdJ,
! The delta controls how many rays will be traced. A
f4A4
! delta of .025 will trace a 80 x 80 grid in the pupil. YUP%K!k
! { ="Su{i}}
delta = .025 *Bb|N--jI
! Y ;~~?[6
print "This program computes the chief ray coordinates," khKv5K#)
print "centroid coordinates, and middle coordinates for" [qjAq@@N#q
print "the primary wave spot at each field position." O?4vC5 x
maxfield = maxf() 5<:VJC<
if maxfield == 0 then maxfield = 1 JsWq._O{/
n = nsur() }
Y7W1$he
f = 1 o[Wagg.%
label 1 1OfSq1G>v$
hx = fldx(f)/maxfield 6B!j(R
hy = fldy(f)/maxfield Bp=oTC G
raytrace hx,hy,0,0 TCEXa?,L
format 10.4 {8*d;[X50
print !?us[f=g%
print " X Field = ", fldx(f), o\=i0HR9
print " Y Field = ", fldy(f) T?p`Y| gl
print " X Chief = ",rayx(n), FJwZo}<6E
print " Y Chief = ",rayy(n) |4?}W ,
xraymax = -9e9 6Mf3)o2
yraymax = -9e9 fW4cHB 9 |
xraymin = 9e9 XYxm8ee"j
yraymin = 9e9 "JQt#[9l
xraytot = 0 '%] @a7w
yraytot = 0 t}c}@i_c
numray = 0 Ql6ai
numrayattempt = 0 y}:)cA~o(y
px = -1 - delta 44fq1<.K
label 2 CL@h!h554_
px = px + delta C^\*|=*\
py = -1 - delta r
PRuSk-f
label 3 9,EaN{GM
py = py + delta v ACsppa>#
rad = px*px + py*py P9tQS"Rs
if rad <= 0.9999999 BJ.8OU*9]S
raytrace hx, hy, px, py >fZ/09&3
numrayattempt = numrayattempt+1 u6S0t?Udap
if !rayv(n) **************************** $b i_i|?
numray = numray + 1 (Q +:N;
x = rayx(n) R{O E{8;
y = rayy(n) Y +_5"LV
if (x < xraymin) then xraymin = x v(Zi;?c
if (x > xraymax) then xraymax = x QSs$
if (y < yraymin) then yraymin = y gt t$O
if (y > yraymax) then yraymax = y DP6{HR$L
xraytot = xraytot + x cLyuCaH>c
yraytot = yraytot + y x 1x j\O
endif 3}#XA+Z
endif @;n$ caw
if py < 1.0 then goto 3 |n6 Q
if px < 1.0 then goto 2 kj3o1 Y
if numray }MavI'
format 14.8 ^tKOxW#
a
print " X Centroid = ",xraytot/numray, /4B4IT
print " Y Centroid = ",yraytot/numray MkNURy>n&
print " X Middle = ",(xraymax+xraymin)/2, ? "8A^
^
print " Y Middle = ",(yraymax+yraymin)/2 *A1TDc$
format .0 t{S{!SF4
print " ",numray, " out of ", numrayattempt," rays made it through." Zqs-I 8y
else YT(1
"{:
print " No rays made it through!" @<TfA>*VJ
endif k@";i4}A
f=f+1 C}P
\kDM
if f<= nfld() then goto 1 sQw`U{JG
print ATmqq)\s
print "All field positions done!" 97))'gC
FORMAT 0.1 5fx,rtY2sQ
print "Elapsed time ", ETIM(), " seconds." M+R)P +
