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············· eS9uKb 5n(
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macro 正文：········· Q)S0z2
! centroid.zpl pq$`T|6 ^
! pTPWToKh
! Written by Kenneth Moore 9/1/92 p me5frM |
! Added TIMER function 4/18/96 +G*2f
V>
! rkh+$*t@i7
TIMER q"4{GCavN
! 4%
)I[-sH
! The delta controls how many rays will be traced. A h-<2N)>!
! delta of .025 will trace a 80 x 80 grid in the pupil. M \rW
! p5&:>>
delta = .025 d- w#\ ^
! wB~Ag$~
print "This program computes the chief ray coordinates," Xc -'&"
print "centroid coordinates, and middle coordinates for" =n|n %N4 Y
print "the primary wave spot at each field position." S,,,D+4
maxfield = maxf() V(n7hpS
if maxfield == 0 then maxfield = 1
`b 6j7
n = nsur() ]wCg'EU B
f = 1 9T#d.c 24
label 1 )OxcJPo
hx = fldx(f)/maxfield 3(l^{YC+[7
hy = fldy(f)/maxfield ~YO 99PP
raytrace hx,hy,0,0 X8aNl" x
format 10.4 *T0{ yI
print }DiMt4!ZC!
print " X Field = ", fldx(f), n 5h4]u
print " Y Field = ", fldy(f) z/yNFY]i
print " X Chief = ",rayx(n), W Z`u"t^2V
print " Y Chief = ",rayy(n) ew8 f7S[
xraymax = -9e9 z)N8#Y~vn
yraymax = -9e9 :^7/+|}9p
xraymin = 9e9 53X H|Ap
yraymin = 9e9 b C{1LY0
xraytot = 0 @%mJw
u
yraytot = 0 v;4l*)$)
numray = 0 =z`GC1]bL
numrayattempt = 0 < yE
px = -1 - delta _GSl}\
label 2 f&x7g. I
px = px + delta *mH++3h
py = -1 - delta H0tj Bnu
label 3 Kv3cK Nvu~
py = py + delta !0Hx1I <*x
rad = px*px + py*py CYD&#+o
if rad <= 0.9999999 uM| *y-4
raytrace hx, hy, px, py J eCKnt=
numrayattempt = numrayattempt+1 <pzCpF<
if !rayv(n) **************************** /, T@/
numray = numray + 1 rbfP6t:c3
x = rayx(n) xfYDjf :<
y = rayy(n) b7&5>Q/ g
if (x < xraymin) then xraymin = x ght vAG
if (x > xraymax) then xraymax = x ;
C/:$l
if (y < yraymin) then yraymin = y d'Cn] <
if (y > yraymax) then yraymax = y M}Sn$h_
xraytot = xraytot + x hfzmv~ *
yraytot = yraytot + y Pyfj[m4+}
endif ;la sk4|
endif );X &J:-l+
if py < 1.0 then goto 3 4H@:|
if px < 1.0 then goto 2 n1D,0+N=
if numray !>gi9z,
format 14.8 <7-Qn(m,
print " X Centroid = ",xraytot/numray, ;A^Ii>`
print " Y Centroid = ",yraytot/numray (.Q.S[<Y
print " X Middle = ",(xraymax+xraymin)/2, XNODDH
print " Y Middle = ",(yraymax+yraymin)/2 PX7@3Y
format .0
5cY([4,
print " ",numray, " out of ", numrayattempt," rays made it through." wB %:RI,
else Vu6$84>-,
print " No rays made it through!" !kAjne8]d
endif "'Bx<FA
f=f+1 %NH#8#';2
if f<= nfld() then goto 1 ry^FJyjW
print \v|nRn,`-
print "All field positions done!" V $'~2v{_
FORMAT 0.1 k'H+l ]=
print "Elapsed time ", ETIM(), " seconds." XEK% \o}
