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············· :<IW'
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macro 正文：········· *id|za|:k
! centroid.zpl 0KT{K(
! S8vm XlD
! Written by Kenneth Moore 9/1/92 emS +%6U
! Added TIMER function 4/18/96 HNuwq\w
! 2i(|? XJ^
TIMER U w`LWG3T
! P [nW mY
! The delta controls how many rays will be traced. A mLY *
! delta of .025 will trace a 80 x 80 grid in the pupil. <p0$Q!^dK=
! -{b1&
delta = .025 X7c*T /
! '\*Rw]bR|
print "This program computes the chief ray coordinates," qryt1~Dq
print "centroid coordinates, and middle coordinates for" BK d(
print "the primary wave spot at each field position." mQs'2Y6Oa
maxfield = maxf() fZ g*@RR
if maxfield == 0 then maxfield = 1 BtHvfoT
n = nsur() MthThsr7
f = 1 fp![Pbms.
label 1 M<~F>(wxA
hx = fldx(f)/maxfield G[>-@9_b
hy = fldy(f)/maxfield hy )RV=X
raytrace hx,hy,0,0 #=.h:_9
format 10.4 'qd ")
print l*m|b""].u
print " X Field = ", fldx(f), t+(CAP|,
print " Y Field = ", fldy(f) tl^[MLQa
print " X Chief = ",rayx(n), 0\~Zg
print " Y Chief = ",rayy(n) +tN-X'u##
xraymax = -9e9 `A^} X
yraymax = -9e9 YYvs~?bAy
xraymin = 9e9 z"O-d<U5
yraymin = 9e9 #EM'=Q%TO
xraytot = 0 v/haUPWF\
yraytot = 0 %ej"Z eM
numray = 0 TnaIRJ\B
numrayattempt = 0 Elq8WtS
px = -1 - delta T?ZMmUE
label 2 5Q}@Y3 i=
px = px + delta 5k(#kyP
py = -1 - delta t3XMQ']
label 3 &sRJ'oc
py = py + delta l&A`
rad = px*px + py*py mHMej@
if rad <= 0.9999999 09?<K)_G
raytrace hx, hy, px, py f\^Q V
numrayattempt = numrayattempt+1 gPi_+-@
if !rayv(n) **************************** |#B"j1D,H
numray = numray + 1 z} \9/`
x = rayx(n) } 00e @a
y = rayy(n) ,i ,=LGn
if (x < xraymin) then xraymin = x ^>p [b
if (x > xraymax) then xraymax = x .0|J+D
if (y < yraymin) then yraymin = y o%5bg(
if (y > yraymax) then yraymax = y /YbL{G
)j}
xraytot = xraytot + x E )E!
yraytot = yraytot + y w8i!Qi#y5D
endif Z%R% D*f@y
endif Z9D4;1
if py < 1.0 then goto 3 1m)/_y~1
k
if px < 1.0 then goto 2 M Sj0D2H
if numray PS22$_}
format 14.8 !T~d5^l!
print " X Centroid = ",xraytot/numray, &F}+U#H
print " Y Centroid = ",yraytot/numray D+3Y.r 9
print " X Middle = ",(xraymax+xraymin)/2, z>:7}=H0
print " Y Middle = ",(yraymax+yraymin)/2 +*DX(v"BH
format .0 eQx"nl3U%
print " ",numray, " out of ", numrayattempt," rays made it through." 4Dia#1$:J
else q': wSu u
print " No rays made it through!" kI'A`
/B l
endif M::iU_
f=f+1 1#<E]<='t
if f<= nfld() then goto 1 h;KK6*Z*$E
print \G@6jn1G(
print "All field positions done!" d"UW38K{
FORMAT 0.1 ,]mwk~HeF
print "Elapsed time ", ETIM(), " seconds." $hQg+nY.
