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············· D~\$~&_]=
2TA*m{\Hr
macro 正文：········· 1&U>,;]*
! centroid.zpl IOV(seEY
! Dmu/RD5X:
! Written by Kenneth Moore 9/1/92 AoI /n4T^
! Added TIMER function 4/18/96 mOlI#5H
! }_68j8`
TIMER LoGVwRmoC
! Dv/WE>?Aw
! The delta controls how many rays will be traced. A }O4^Cc6
! delta of .025 will trace a 80 x 80 grid in the pupil. TG5XSy
! .>IhN 5
delta = .025 I'0@viF"Nx
! =%BZ9,l
print "This program computes the chief ray coordinates," E\4 +_L_j
print "centroid coordinates, and middle coordinates for" UCClWr
print "the primary wave spot at each field position." e [#j.|m
maxfield = maxf() SE~[bT
if maxfield == 0 then maxfield = 1 fw RZ5`v<
n = nsur() q+ vx_4
f = 1 5>\/[I/!
label 1 }x
wu*Zx
hx = fldx(f)/maxfield jav#f{'
hy = fldy(f)/maxfield mFZ?hOyP.
raytrace hx,hy,0,0 <z!CDg4
format 10.4 %$Aq le[
print =Fr(9 (
print " X Field = ", fldx(f), &sL&\+=<(
print " Y Field = ", fldy(f) Z KckAz\#
print " X Chief = ",rayx(n), Aj4T"^fv
print " Y Chief = ",rayy(n) K]9"_UnN
xraymax = -9e9 n0e1k.A
yraymax = -9e9 }-sdov<<
xraymin = 9e9 wD]/{
jw
yraymin = 9e9 "UJ
S5[7$
xraytot = 0 KSN Pkd6
yraytot = 0 E L9]QI
numray = 0 #: [<iSk
numrayattempt = 0 W!>.$4Q9
px = -1 - delta oT>(V]*5
label 2 L');!/:
px = px + delta k<\$OoOZ
py = -1 - delta %eO0w a$a
label 3 >\Ww;1yV
py = py + delta ikSt"}/hd
rad = px*px + py*py H ,u<|UMM_
if rad <= 0.9999999 A'&K/) Z
raytrace hx, hy, px, py HEM9E&rL
numrayattempt = numrayattempt+1 aiu5}%U
if !rayv(n) **************************** yLQ*" sw\
numray = numray + 1 hK,Sf ;5V
x = rayx(n) _c_[ C*T]
y = rayy(n) _`:1M2=
if (x < xraymin) then xraymin = x ]h
%Wiw
if (x > xraymax) then xraymax = x P Iw FF}<(
if (y < yraymin) then yraymin = y ~"kb7Fxp
if (y > yraymax) then yraymax = y &H`jL4S
xraytot = xraytot + x "pRtczxOgR
yraytot = yraytot + y D5 *q7A6
endif -3=#u_
endif j4R(B
if py < 1.0 then goto 3 4QIX19{"
if px < 1.0 then goto 2 ?3.b{Cq{-
if numray #kaY0M
format 14.8 OD6\Mr2=
print " X Centroid = ",xraytot/numray, lUvpszH=
print " Y Centroid = ",yraytot/numray U5.LDv;
print " X Middle = ",(xraymax+xraymin)/2, tE ` u(B,
print " Y Middle = ",(yraymax+yraymin)/2 n+A?"`6*#
format .0 ?1K#dC52#
print " ",numray, " out of ", numrayattempt," rays made it through." m4l&
eEp
else ''\O v
print " No rays made it through!" PC-"gi =h
endif ([m
mPyp>L
f=f+1 O4V.11FnW
if f<= nfld() then goto 1 ne_TIwf w-
print f m)pulz
print "All field positions done!" O#S;q5L@
FORMAT 0.1 /! " |_W|n
print "Elapsed time ", ETIM(), " seconds." qfMo7e@6*
