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············· VK}fsOnj0
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macro 正文：········· z|=}1; (.
! centroid.zpl J+[_W d
! c05TsMF&O
! Written by Kenneth Moore 9/1/92 6726ac{xz
! Added TIMER function 4/18/96 qi;f^9M%
! pV.Av
TIMER UH]l9 Aq$P
! dArDP[w
! The delta controls how many rays will be traced. A A{UULVp
! delta of .025 will trace a 80 x 80 grid in the pupil. Lk~ho?^`
! , 3,gG "
delta = .025 6WV\}d:
! !g Z67
print "This program computes the chief ray coordinates," =. y~f A!
print "centroid coordinates, and middle coordinates for" d_4T}% q
print "the primary wave spot at each field position." $P>`m$(8
maxfield = maxf() zV:pQRbt.
if maxfield == 0 then maxfield = 1 EPS={w$'s
n = nsur() cj+ FRG~u
f = 1 :80Z6F.k`
label 1 % {YN70/
hx = fldx(f)/maxfield n.wF&f'D]
hy = fldy(f)/maxfield $tz;<M7B
raytrace hx,hy,0,0 WtViW=j'
format 10.4 "5;;)\o ~
print XD |E=s
print " X Field = ", fldx(f), XS`M-{f`
print " Y Field = ", fldy(f) # Xhdn\7
print " X Chief = ",rayx(n), rrQQZ5fh b
print " Y Chief = ",rayy(n) K3m]%m2\
xraymax = -9e9 g) p,5BADm
yraymax = -9e9 (:._"jp]
xraymin = 9e9 io,M{Ib
yraymin = 9e9 T6H}/#*tK
xraytot = 0 U"q/rcA
yraytot = 0 A:aE|v/T&
numray = 0 S>.SSXlM
numrayattempt = 0 V2$h8\a
px = -1 - delta s4 6}s{6
label 2 qY~`8
x
px = px + delta L !=4N!j
py = -1 - delta QA 2borfy
label 3 Sl-v W
py = py + delta Jj,U RD&0R
rad = px*px + py*py d*A*y ^OD
if rad <= 0.9999999 .uyGYj-C
raytrace hx, hy, px, py ?"zY" *>4
numrayattempt = numrayattempt+1 t<~ $
if !rayv(n) **************************** 6fd+Q
/
numray = numray + 1 |AcRIq
x = rayx(n) v J\pR~?
y = rayy(n) }| J79s2M
if (x < xraymin) then xraymin = x 70f Klp
if (x > xraymax) then xraymax = x r) $+
if (y < yraymin) then yraymin = y 2kdC]|H2?
if (y > yraymax) then yraymax = y 5QPM t ^
xraytot = xraytot + x BYs-V:
yraytot = yraytot + y Sp7ld 7c
endif A3B56 K
endif Mu{;vf|j
if py < 1.0 then goto 3 ?_"+^R z
if px < 1.0 then goto 2 bx] N>k J
if numray Q -MQ9'
format 14.8 2P/K
K
print " X Centroid = ",xraytot/numray, bHg,1y)UC
print " Y Centroid = ",yraytot/numray 2>86oP&
print " X Middle = ",(xraymax+xraymin)/2, ' ~ ,p[
print " Y Middle = ",(yraymax+yraymin)/2 66.5QD0
format .0 eFpTW&9n
print " ",numray, " out of ", numrayattempt," rays made it through." 6&bY} i^K
else .pfP7weQ
print " No rays made it through!" 1AG=%F|.
endif jV?
}9L^;
f=f+1 e*bH0'; q
if f<= nfld() then goto 1 Kw8u`$Ad7
print ~><^ 'j[
print "All field positions done!" h~(G$':^
FORMAT 0.1 +n<k)E@>J
print "Elapsed time ", ETIM(), " seconds." Ga# :P F0
