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············· yWH!v]S
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macro 正文：········· !.|A}8nK
! centroid.zpl >v/%R~BuX
! q?0&0
! Written by Kenneth Moore 9/1/92 \/m-G:|
! Added TIMER function 4/18/96 xWWVU}fd1
! = |
r%
lx
TIMER lj *=bK
! WZ bRR.TxO
! The delta controls how many rays will be traced. A b^P \Kky
! delta of .025 will trace a 80 x 80 grid in the pupil. @_#]7
! 4 `}6W>*R
delta = .025 [/J(E\9
! B-$ps=G+z
print "This program computes the chief ray coordinates," j#VR>0oC]\
print "centroid coordinates, and middle coordinates for" 9J}^{AA
print "the primary wave spot at each field position." \&v)#w
maxfield = maxf() W=K+kB
if maxfield == 0 then maxfield = 1 4)snt3k
n = nsur() |L
<
f = 1 JWxSN9.X
label 1 2d OUY
$4
hx = fldx(f)/maxfield ~.S/<: `U
hy = fldy(f)/maxfield -}>H3hr
raytrace hx,hy,0,0 Ht~YSQ~:y
format 10.4 EuD$^#
print #<w2 xR]:
print " X Field = ", fldx(f), Oh7wyQiV
print " Y Field = ", fldy(f) J>0RN/38o
print " X Chief = ",rayx(n), T'14OU2N{Y
print " Y Chief = ",rayy(n) 6 s:
xraymax = -9e9 '"V]>)
yraymax = -9e9 7 C@m(oK
xraymin = 9e9 )EsFy6K:
yraymin = 9e9 PW* [( VX
xraytot = 0 mGUG
yraytot = 0 %cq8% RT
numray = 0 R+=Xr<`%U|
numrayattempt = 0 U;U19[]
px = -1 - delta 6?l|MU"Q.
label 2 E c!R 3+
px = px + delta _&$nJu
py = -1 - delta T FK#ign
label 3 #\O?|bN'q
py = py + delta ;E\ e.R
rad = px*px + py*py tj" EUqKQ
if rad <= 0.9999999 ) ! l1
raytrace hx, hy, px, py \.`{nq
numrayattempt = numrayattempt+1 <IQ}j^u-F
if !rayv(n) ****************************
11-?M
numray = numray + 1 %Q5
|RL D
x = rayx(n) SKSI\]Cc
y = rayy(n) $w! v
if (x < xraymin) then xraymin = x ,@@FAL
if (x > xraymax) then xraymax = x xbze{ 9n"
if (y < yraymin) then yraymin = y t[b Zg 9;
if (y > yraymax) then yraymax = y n'<F'1SWv
xraytot = xraytot + x l]geQl:7`r
yraytot = yraytot + y m^1'aO_;q
endif I oC}0C7
endif XCE<].w
if py < 1.0 then goto 3 2P VQSwW:
if px < 1.0 then goto 2 R-BN}ZS
if numray $7&t`E)qY
format 14.8 NYF
7Ep; _
print " X Centroid = ",xraytot/numray, 20B U;D3
print " Y Centroid = ",yraytot/numray qa/VSk!{
print " X Middle = ",(xraymax+xraymin)/2, 9*xv
,Yz8
print " Y Middle = ",(yraymax+yraymin)/2 h1Q rFPQnu
format .0 A@
4Oq
print " ",numray, " out of ", numrayattempt," rays made it through." pm'i4!mY<P
else Jnq}SUev
print " No rays made it through!" 1(m[L=H5>
endif 2[Bw+<YA`
f=f+1 bBXUD;$
if f<= nfld() then goto 1 sj% \ lq
print b:6e2|xf?
print "All field positions done!" Hu 7WU;w
FORMAT 0.1 uBxs`'C
print "Elapsed time ", ETIM(), " seconds." <FU1|
