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············· f!1K GP
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macro 正文：········· R$PiF1ffj
! centroid.zpl .]8 Jeb
! I |BLAm6j
! Written by Kenneth Moore 9/1/92 =. OW sFv
! Added TIMER function 4/18/96 c L84}1QD
! SR8[
7MU
TIMER qf
]ax!bK
! /@on=~
! The delta controls how many rays will be traced. A mQ 1QJ_;
! delta of .025 will trace a 80 x 80 grid in the pupil. # U!J2240
! C10A$=!
delta = .025 k9Yr&8B
! MLL2V `vBT
print "This program computes the chief ray coordinates," Rk`c'WP0*
print "centroid coordinates, and middle coordinates for" '\
6.GP
print "the primary wave spot at each field position." k
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maxfield = maxf() 3) :7mE(
if maxfield == 0 then maxfield = 1 I /RvU,
n = nsur() |[xi"E\
f = 1 W>s<&Vb
label 1 HaLEQ73
hx = fldx(f)/maxfield nE s l
hy = fldy(f)/maxfield !74* APPHR
raytrace hx,hy,0,0 1eK J46W
format 10.4 y:pypuwt;
print {*tewF)|
print " X Field = ", fldx(f), LgB}!OLQ
print " Y Field = ", fldy(f) 6`%}s3Xq
print " X Chief = ",rayx(n), ~>)cY{wE_
print " Y Chief = ",rayy(n) ? p\'S
w:
xraymax = -9e9 C%G-Ye|@
yraymax = -9e9 {jr>Z"/q
xraymin = 9e9 !L > 'g
yraymin = 9e9 69rVW~Z
xraytot = 0 c-`&e-~XKL
yraytot = 0 RkC?(p
numray = 0 ~d> O.*Q)
numrayattempt = 0
%lEPFp
px = -1 - delta ]}C#"Xt
label 2 <w08p*?
px = px + delta c a$D|3
py = -1 - delta Jg: Uv6eN+
label 3 G=\rlH]N
py = py + delta `5h$@
rad = px*px + py*py }| Cw]GW
if rad <= 0.9999999 v zs6YsA
raytrace hx, hy, px, py LvE|K&R|
numrayattempt = numrayattempt+1 h]G }E9\l
if !rayv(n) **************************** FVL0K(V(
numray = numray + 1 B>-Iv _
x = rayx(n) #O=^%C 7p
y = rayy(n) rt t?4
if (x < xraymin) then xraymin = x 0vDP- qJV-
if (x > xraymax) then xraymax = x D [yaAG<
if (y < yraymin) then yraymin = y F;`es%8
if (y > yraymax) then yraymax = y u{exQ[, E
xraytot = xraytot + x /|BzpIfpN
yraytot = yraytot + y )Z "7^ i
endif O^|,Cbon6
endif [ *R8XXuL
if py < 1.0 then goto 3 `7+?1 z
if px < 1.0 then goto 2 H`B%6S /
if numray :P;#Y7}Y$
format 14.8 Hm1C|Qb
print " X Centroid = ",xraytot/numray, R 3%T}^;f
print " Y Centroid = ",yraytot/numray gXs@FhR0
print " X Middle = ",(xraymax+xraymin)/2, F0]= z -
print " Y Middle = ",(yraymax+yraymin)/2 QMHeU>
format .0 9sJbz=o]r
print " ",numray, " out of ", numrayattempt," rays made it through." 7{/q QGL
else T3wR0,
print " No rays made it through!" ) ` '
endif TkmN.@w _C
f=f+1 fM
\T^X
if f<= nfld() then goto 1 Koahd =
print 5|Vb)QBv %
print "All field positions done!" eBtkTWx5[/
FORMAT 0.1 .r[J} O"
print "Elapsed time ", ETIM(), " seconds." {I`B?6K5
