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············· 3o^ oq
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macro 正文：········· 1ogh8%
! centroid.zpl 0V?:5r<
! H3jb{S
b
! Written by Kenneth Moore 9/1/92 8(0q,7)y
! Added TIMER function 4/18/96 SK
{ALe
! Js!V,={iX
TIMER GA@Zfcg
! ahm@ +/2
! The delta controls how many rays will be traced. A m_r_4 BP
! delta of .025 will trace a 80 x 80 grid in the pupil. x 0x/2re
! Zk n1@a
delta = .025 UP |#WegO
! oS_<;Fj
print "This program computes the chief ray coordinates," oj~0zJI
print "centroid coordinates, and middle coordinates for" zmh3
Qa(
print "the primary wave spot at each field position." |DMa2} %
maxfield = maxf() e025m}%SU
if maxfield == 0 then maxfield = 1 i3 n0W1~
n = nsur() ;COZ Hj9b
f = 1 QyX ?
label 1 XxEKv=_bc
hx = fldx(f)/maxfield ~F9WR5}]
hy = fldy(f)/maxfield mu =H&JC
raytrace hx,hy,0,0 X?Mc"M
format 10.4 6 s|4'!
print }w8:`g'T0/
print " X Field = ", fldx(f), sz%'=J~!V
print " Y Field = ", fldy(f) f ") *I
print " X Chief = ",rayx(n), o]|a5. O
print " Y Chief = ",rayy(n) O8% Y .SK
xraymax = -9e9 VwV`tK it
yraymax = -9e9 XK4i dC
xraymin = 9e9 ');QmN%J
yraymin = 9e9 DEkFmmw
xraytot = 0 `CQMvX{
yraytot = 0 C) "|sG
numray = 0 _P*<T6\J>
numrayattempt = 0 )Vb_0 n=^
px = -1 - delta QR;E>eEq
label 2 Ii9@ j1-g
px = px + delta #7~M1/eH=t
py = -1 - delta ;Y>c egG\
label 3 (C
EXPf
py = py + delta Ge]2g0
rad = px*px + py*py jTJ]: EN
if rad <= 0.9999999 idr,s\$>
raytrace hx, hy, px, py +\a`:QET
numrayattempt = numrayattempt+1 DdL0MGwX
if !rayv(n) **************************** ?E ?dg#yk
numray = numray + 1
Qpc+ 1{BQ
x = rayx(n) G.}
3hd0
y = rayy(n) U{2UKD@PM
if (x < xraymin) then xraymin = x d= -/'_'
if (x > xraymax) then xraymax = x 6 KD
if (y < yraymin) then yraymin = y t3)nG8>
)
if (y > yraymax) then yraymax = y !` G7X
xraytot = xraytot + x .V?i 3
yraytot = yraytot + y {^xp?zpV
endif Ex
?)FL$4
endif / 1jb8w'
if py < 1.0 then goto 3 &1DU]|RoT&
if px < 1.0 then goto 2 K~_[[)14b
if numray / ` 7p'i
format 14.8 TB
gD"i-
print " X Centroid = ",xraytot/numray, Dm 1;mR S+
print " Y Centroid = ",yraytot/numray +Zx+DW cq
print " X Middle = ",(xraymax+xraymin)/2, iG1vy'J#o
print " Y Middle = ",(yraymax+yraymin)/2 0~\Dd0W/:`
format .0 _tg&_P+k V
print " ",numray, " out of ", numrayattempt," rays made it through." ~$N%UQn?b#
else 9LkP*$2"M<
print " No rays made it through!" zhDmZ
endif #qk A*WP
f=f+1 (N U*PQY6
if f<= nfld() then goto 1 $^Dx4:k<2
print c8sY#I
print "All field positions done!" 8}0W_C U,
FORMAT 0.1 vmW4 3K;
print "Elapsed time ", ETIM(), " seconds." 7B$iM ,}.b
