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············· s]<r
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macro 正文：········· +6 M+hO]
! centroid.zpl ^r$iN %&~
! 9 eN2)a/
! Written by Kenneth Moore 9/1/92 o- Q G&
]
! Added TIMER function 4/18/96 kPX2e h
! ,{ L;B
TIMER $aPHl
! 3a uJ^B}
! The delta controls how many rays will be traced. A g=g.GpFt
! delta of .025 will trace a 80 x 80 grid in the pupil. iraRB~
! G<^]0`"+)t
delta = .025 A;WwS?fyQ
! E%\7Uo-
print "This program computes the chief ray coordinates,"
b~Pxgfu"
print "centroid coordinates, and middle coordinates for" 0.BUfuuh
print "the primary wave spot at each field position." BU A 6(
maxfield = maxf() Sd<@X@iU8D
if maxfield == 0 then maxfield = 1 Jf P\7
n = nsur() & A9A#It
f = 1 Y K?*7
label 1 ^'u;e(AaE
hx = fldx(f)/maxfield
kulQR>u
hy = fldy(f)/maxfield U_}A{bFG
raytrace hx,hy,0,0 \abAPo
format 10.4 Ad`[Rt']kI
print 6`4W ,
print " X Field = ", fldx(f),
A?;8%00
print " Y Field = ", fldy(f) ' =K of1
print " X Chief = ",rayx(n), Il^ \3T+
print " Y Chief = ",rayy(n) ,JQxs7 @2k
xraymax = -9e9 'Elj"Iiu
yraymax = -9e9 _+Jf.n20
xraymin = 9e9 4/`h@]8P
yraymin = 9e9 Ub'%pU
xraytot = 0 4`UL1)A]
yraytot = 0 8pq-nuf|K
numray = 0 ]Ic? :lKN
numrayattempt = 0 ^L8W n6s'
px = -1 - delta NHF Er
label 2 CEX}`I*-
px = px + delta JwI`"$ > w
py = -1 - delta 7Js > !KR
label 3 7dlKdKH
py = py + delta b,rH&+ 2H
rad = px*px + py*py =##s;zj(%
if rad <= 0.9999999 m,@1LwBH
raytrace hx, hy, px, py }ED
nLou
numrayattempt = numrayattempt+1 r{q}f)
if !rayv(n) **************************** ;X$q#qzN#
numray = numray + 1 hSkc9jBF
x = rayx(n) @Ge>i5q
y = rayy(n) \=w'HZH#+
if (x < xraymin) then xraymin = x G+hF
[b44'
if (x > xraymax) then xraymax = x *1Ut}
if (y < yraymin) then yraymin = y Wiq{wxe
if (y > yraymax) then yraymax = y UKKSc>D1
xraytot = xraytot + x &PRx,G5
yraytot = yraytot + y q4 Oxs
endif ] ; pf
endif a)_r ka1(
if py < 1.0 then goto 3 $c@w$2
if px < 1.0 then goto 2 /]/>jz>
if numray M q^|M~
format 14.8 bSrRsgKvT
print " X Centroid = ",xraytot/numray, |-(IJG #)
print " Y Centroid = ",yraytot/numray
b(}Gm@#
print " X Middle = ",(xraymax+xraymin)/2, '9*5-iO
print " Y Middle = ",(yraymax+yraymin)/2 c7+Djqs
format .0 kfqpI
print " ",numray, " out of ", numrayattempt," rays made it through." atLV `U&t
else ^])e[RN7?n
print " No rays made it through!" ? o~:'Z
endif YH)Opk
f=f+1 :M2 2P`:
if f<= nfld() then goto 1 O uOk=
print NI5]Nz<?
print "All field positions done!" %s$rP
FORMAT 0.1 )\T@W
print "Elapsed time ", ETIM(), " seconds." G3RrjWtO
