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············· fzjU<? }
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macro 正文：········· @&D?e:|!U
! centroid.zpl "<}&GcJbz
! e]=!"nJ+
! Written by Kenneth Moore 9/1/92 [D5t{ [i
! Added TIMER function 4/18/96 "Jjs"7
! ~gz^Cdh
TIMER y 9#$O(G
! & c Ny
! The delta controls how many rays will be traced. A {pb>$G:gfx
! delta of .025 will trace a 80 x 80 grid in the pupil. Z):n c% S
! 0&ByEN9 9
delta = .025 SI:U0gUc
! 7iJ& 6=/
print "This program computes the chief ray coordinates," JQ :Ri
print "centroid coordinates, and middle coordinates for" AmwWH7,g
print "the primary wave spot at each field position." X(jVRr_m9
maxfield = maxf() [~:-&
if maxfield == 0 then maxfield = 1 y~IuP c
n = nsur() x{NX8lN
f = 1 X0 -IRJ[
label 1 w&4~Q4
hx = fldx(f)/maxfield ^-FRTC
hy = fldy(f)/maxfield aA-
raytrace hx,hy,0,0 Tz2-Bp]h
format 10.4 ~[k%oA%W
print gX{loG
print " X Field = ", fldx(f), 6Es?
MW=
print " Y Field = ", fldy(f) mAk{"6 5V
print " X Chief = ",rayx(n), vIvVq:6_3
print " Y Chief = ",rayy(n) 2 xw6 5z
xraymax = -9e9 ,ZblI O Wb
yraymax = -9e9 CE15pNss
xraymin = 9e9 bqanFQj
yraymin = 9e9 a?yMHb{F
xraytot = 0 v#=`%]mL
yraytot = 0 b;|55Y
numray = 0 `:'w@(q
numrayattempt = 0 y/V%&.$o=
px = -1 - delta :|o<SZ
label 2 pj?XLiM54%
px = px + delta 4/ X/>Y1
py = -1 - delta Nr2 C@FU:0
label 3 :V)lbn\
py = py + delta E{HY!L[
rad = px*px + py*py ]a2W e`
if rad <= 0.9999999 xoB},Xl$D
raytrace hx, hy, px, py M8k"je7`s
numrayattempt = numrayattempt+1 ]*O/+
if !rayv(n) **************************** N8KQz_]9I
numray = numray + 1 QZ
`tNq :/
x = rayx(n) }AZc8o-
y = rayy(n) 1>Q{Gs^
if (x < xraymin) then xraymin = x C8a*Q"
if (x > xraymax) then xraymax = x _ >` X]I;
if (y < yraymin) then yraymin = y Qr# 1 u
if (y > yraymax) then yraymax = y *`(
<'Z
xraytot = xraytot + x * y^OV_n-8
yraytot = yraytot + y rzp +:
endif z9W `FBg
endif HaA1z }?n
if py < 1.0 then goto 3 D[O {(< 9
if px < 1.0 then goto 2 %hlspI(J
if numray \b[9e bME
format 14.8 yV)m"j
print " X Centroid = ",xraytot/numray, X\p,%hk \
print " Y Centroid = ",yraytot/numray 5 =(c %
print " X Middle = ",(xraymax+xraymin)/2,
7\o!HMfK
print " Y Middle = ",(yraymax+yraymin)/2 3 p?KU-
format .0 1
4 LI5T
print " ",numray, " out of ", numrayattempt," rays made it through." 8\ <jyJ
else `k\grr.J
print " No rays made it through!" qD Wsvx]
endif KlK`;cr?
f=f+1 _DRrznaw
if f<= nfld() then goto 1 \Mv":Lm1
print WS& kx~oQ
print "All field positions done!" c41: !u^
FORMAT 0.1 %}2@rLP
print "Elapsed time ", ETIM(), " seconds." -#-p1^v}
