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············· E qz|eS*6
~:7y!=8#
macro 正文：········· {24>& <p
! centroid.zpl s=(q#Z
! [?I<$f"
! Written by Kenneth Moore 9/1/92 SkmTW@v
! Added TIMER function 4/18/96 Zw0KV%7hD
! y4h
=e~
TIMER ptT-{vG
! _|I8+(~)
! The delta controls how many rays will be traced. A 4%~*}
! delta of .025 will trace a 80 x 80 grid in the pupil. we` BqZV
! LJ~#0Zu?
delta = .025 lb'tVO
! '[liZCg
print "This program computes the chief ray coordinates," a)pc +w#
print "centroid coordinates, and middle coordinates for" 07:V[ @'
print "the primary wave spot at each field position." -V6c aVlg
maxfield = maxf() w 6!97x
if maxfield == 0 then maxfield = 1 fu b04x)
n = nsur() y @~ VE5N
f = 1 |8C xMs
label 1 OJa(Gds
hx = fldx(f)/maxfield <A Hzs
hy = fldy(f)/maxfield *4%pXm;
raytrace hx,hy,0,0 8b'@_s!_
format 10.4 ,M{G
X
print 6?[P^{GpH
print " X Field = ", fldx(f), G3^<l0?S
print " Y Field = ", fldy(f) b-VtQ %Q
print " X Chief = ",rayx(n), L $_% T
print " Y Chief = ",rayy(n) ] >(pj9)
xraymax = -9e9 .c }+kHv
yraymax = -9e9 L#K`F8Wi=
xraymin = 9e9 >"!ScY n
yraymin = 9e9 ]$L5}pE3
xraytot = 0 M;y*`<x
yraytot = 0 =9ff9 83
numray = 0 a r8iuwfZ
numrayattempt = 0 H5Eso*v@
px = -1 - delta xAd@.^
label 2 ?lD)J ?j
px = px + delta .o`Io[io
py = -1 - delta p*0[:/4
label 3 3A`]Rk
py = py + delta r c[~S
rad = px*px + py*py 7d%x 7!E
if rad <= 0.9999999 rz_W]/G-P
raytrace hx, hy, px, py
:2nsi4
numrayattempt = numrayattempt+1 1Mp-)-e
if !rayv(n) **************************** KHZ[drb6$
numray = numray + 1 Lcv czS T
x = rayx(n) <9X@\uvU.<
y = rayy(n) lj} 3 TbM
if (x < xraymin) then xraymin = x Lq>lj`>
if (x > xraymax) then xraymax = x \7 8^ O
if (y < yraymin) then yraymin = y }Z Vond$y4
if (y > yraymax) then yraymax = y 4@fv%LOQo
xraytot = xraytot + x RKzty=j4
yraytot = yraytot + y nC,QvV
endif W{'hn&vU
endif r mA?Xlh\
if py < 1.0 then goto 3 F\ +AA
if px < 1.0 then goto 2 %r1#G.2YW
if numray }~zDcj_
format 14.8 yC 1OeO8{
print " X Centroid = ",xraytot/numray, "dIWHfQB
print " Y Centroid = ",yraytot/numray N,qo/At}R[
print " X Middle = ",(xraymax+xraymin)/2, /gF)msUF
print " Y Middle = ",(yraymax+yraymin)/2 5n2!Y\
format .0 8WQ# )
print " ",numray, " out of ", numrayattempt," rays made it through." aXj
UDu7
else wJ2cAX;"
print " No rays made it through!" &v .S_Ym
endif X,V I5$
f=f+1 hT-^1 :N
if f<= nfld() then goto 1 X <8|uP4
print 4!{lySW
print "All field positions done!" D^O[_/i&
FORMAT 0.1 _f@,) n
print "Elapsed time ", ETIM(), " seconds." *$%~/Q@]
