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············· NI V}hf YF
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macro 正文：········· C*Vm} |)
! centroid.zpl 3V k8'
! VE )D4 RL
! Written by Kenneth Moore 9/1/92 3( BL
! Added TIMER function 4/18/96 'c35%? ]
! T2e-RR
TIMER (T%F^s5D
! # A/OGi
! The delta controls how many rays will be traced. A hFIh<m=C?Y
! delta of .025 will trace a 80 x 80 grid in the pupil. v)5;~.+%
! vzIo2 ,/7
delta = .025 C`. YOkpj
! -b-a2 1,m>
print "This program computes the chief ray coordinates," ?v2_ 7x&
print "centroid coordinates, and middle coordinates for" [b++bCH 3
print "the primary wave spot at each field position." yYCS-rF>
maxfield = maxf() V! W y[u
if maxfield == 0 then maxfield = 1 FOiwA.:0
n = nsur() c!Hz'W
f = 1 ~apt, hl
label 1 [3Q0KCZ0(
hx = fldx(f)/maxfield -<g9 ) CV5
hy = fldy(f)/maxfield 7
Lm9I
raytrace hx,hy,0,0 ;(NTzBq!1
format 10.4 !l 'nX
print m%|\AZBA#
print " X Field = ", fldx(f), C[^VM$
print " Y Field = ", fldy(f) `^)`J
print " X Chief = ",rayx(n), 4$Ai!a
print " Y Chief = ",rayy(n) J}V4.R5d
xraymax = -9e9 ' @!&{N
yraymax = -9e9 mY 1l2
xraymin = 9e9 )M8 d\]
yraymin = 9e9 YgEd%Z%4
xraytot = 0 +Br<; sW
yraytot = 0 u 3h(EAH>
numray = 0 k \OZ'dS
numrayattempt = 0 j7P49{
px = -1 - delta uX 7L1~s-
label 2 <-`bWz=+
px = px + delta mI lg=8:
py = -1 - delta KMhrw s{&B
label 3 zdP?HJ=F
py = py + delta
qCI&H7u@
rad = px*px + py*py RZz?_1'
if rad <= 0.9999999 ^*P?gG
raytrace hx, hy, px, py G@s:|oe
numrayattempt = numrayattempt+1 +R~]5Rxd
if !rayv(n) **************************** r]e{~v/
numray = numray + 1 B bB3#/ g
x = rayx(n) yCjc5d|tT
y = rayy(n) %pZT3dc K
if (x < xraymin) then xraymin = x ZcA"HD%
if (x > xraymax) then xraymax = x 8r( Vz
if (y < yraymin) then yraymin = y 1RkN^FZOxq
if (y > yraymax) then yraymax = y \%r#>8c8
xraytot = xraytot + x 6C$+D
yraytot = yraytot + y h%j4(v}r{C
endif rVabkwYD
endif W 8<QgpV*
if py < 1.0 then goto 3 | 6 AR!
if px < 1.0 then goto 2 0hS&4nW
if numray m0G"Aj
format 14.8 IQBL;=.J.
print " X Centroid = ",xraytot/numray, LsR<r1KDJ
print " Y Centroid = ",yraytot/numray v8-szW).
print " X Middle = ",(xraymax+xraymin)/2, m]DP{-s4
print " Y Middle = ",(yraymax+yraymin)/2 uz 8eS'8
format .0 t_/qd9Jv
print " ",numray, " out of ", numrayattempt," rays made it through." S%R xYJ(
else ! MSa -
print " No rays made it through!" c:${qY:!
endif !d##q)D
f?
f=f+1 .3EEi3z6z
if f<= nfld() then goto 1 *42KLns
print CQ!D{o=
print "All field positions done!" PCCE+wC6
FORMAT 0.1 y95
#t
print "Elapsed time ", ETIM(), " seconds." Z@q1&}D!
