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············· %ICglF R
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macro 正文：········· pN[0YmY#
! centroid.zpl SKY*.IW/Z
! -m 5}#P89
! Written by Kenneth Moore 9/1/92 ]r ]k-GZ$
! Added TIMER function 4/18/96 Lp:6 ;
! M] V.!z9B
TIMER Bz2'=~J
! ;/AG@$)
! The delta controls how many rays will be traced. A &B{8uge1
! delta of .025 will trace a 80 x 80 grid in the pupil. ;SKh
! GgFi9Ffj
delta = .025 `BZ&~vJ_
! JbQZ!+
print "This program computes the chief ray coordinates," }ublR&zlp
print "centroid coordinates, and middle coordinates for" cX2^wu
print "the primary wave spot at each field position." MN ;/*t
maxfield = maxf() }ZZ5].-a<D
if maxfield == 0 then maxfield = 1 `kN #4p
n = nsur() _.18 z+
f = 1
r@)A
k
label 1 q<=:
>?
hx = fldx(f)/maxfield R
-elIp
hy = fldy(f)/maxfield i&+w _hD
raytrace hx,hy,0,0 v$|mo;6
format 10.4 Yig0/ "
print )+O r
print " X Field = ", fldx(f), h!]"R<QQdu
print " Y Field = ", fldy(f) 17UK1Jx,
print " X Chief = ",rayx(n), 3=4SGt5m
print " Y Chief = ",rayy(n) %EbiMo ]3B
xraymax = -9e9 h%#_~IA:|
yraymax = -9e9 8LM #WIm?
xraymin = 9e9 \ a-CN>
yraymin = 9e9 a, K ky ^B
xraytot = 0 a Snp/g
yraytot = 0 |DG@ht
numray = 0 !)H*r| *[
numrayattempt = 0 @]
.VQ<X|0
px = -1 - delta 7t(Y;4<2
label 2 I
, FqN}
px = px + delta \gKdD S
py = -1 - delta X}JWf<=q
label 3 w^VSj%XH!
py = py + delta Xza4iV
rad = px*px + py*py )@ PnTpL*
if rad <= 0.9999999 T[Q" }&bB
raytrace hx, hy, px, py WVL#s?=g
numrayattempt = numrayattempt+1 }ymvC
if !rayv(n) **************************** |+E KF.K
numray = numray + 1 V2`;4d X*2
x = rayx(n) (.^8^uc 7X
y = rayy(n) @!H
'+ c
if (x < xraymin) then xraymin = x Sb<\-O14"
if (x > xraymax) then xraymax = x D zDj)7
if (y < yraymin) then yraymin = y 23E 0~O
if (y > yraymax) then yraymax = y O3_B<Em
xraytot = xraytot + x {rGYRn,
yraytot = yraytot + y $pu3Ig$^
endif i,OKf Xp
endif S %+R#A1
if py < 1.0 then goto 3 M/w{&&
if px < 1.0 then goto 2 ~/ c5 hyTx
if numray KS! iL=i
format 14.8 AVpuMNd@
print " X Centroid = ",xraytot/numray, r{ "uv=,`
print " Y Centroid = ",yraytot/numray 46ChMTt
print " X Middle = ",(xraymax+xraymin)/2, eY3=|RR
print " Y Middle = ",(yraymax+yraymin)/2 IA4+ad'\E
format .0 )fCMITq.|
print " ",numray, " out of ", numrayattempt," rays made it through." 9t }xXk
else T +\ B'"
print " No rays made it through!" 7\/u&
endif Y +qus
f=f+1 Qp 69Sk@H{
if f<= nfld() then goto 1 n0FYf qH
print B! `\L!
print "All field positions done!" <JH9StGGc?
FORMAT 0.1 V_M@g;<o
print "Elapsed time ", ETIM(), " seconds." AQn[*
