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············· P Wyf 3
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macro 正文：········· );':aX j
! centroid.zpl }rI :pp^KS
! 0W}qp?
! Written by Kenneth Moore 9/1/92 u*v< dsGQ
! Added TIMER function 4/18/96 &:g:7l]g
! ^t5My[R
TIMER ')!X1A{
! C= V2Y_j
! The delta controls how many rays will be traced. A YO .+-(
! delta of .025 will trace a 80 x 80 grid in the pupil. n'v\2(&uYN
! z,4mg6gt
delta = .025 <|4$T H^ t
! R8k4?_W?T
print "This program computes the chief ray coordinates," HB8s[]A:D
print "centroid coordinates, and middle coordinates for" Nw'03Jzx_
print "the primary wave spot at each field position." }VZ Exqm)
maxfield = maxf() HK8 sn1j
if maxfield == 0 then maxfield = 1 6ki2/ Q
n = nsur() s 91[@rh/
f = 1 @ 2/|rq
label 1 1*9.K'
hx = fldx(f)/maxfield ?}Z t&(#
hy = fldy(f)/maxfield \O;2^
raytrace hx,hy,0,0 (_zlCH B
format 10.4 8 s$6R|ti
print D<;~eZ'
print " X Field = ", fldx(f), nFNRiDx
print " Y Field = ", fldy(f) )^ Y+Vn
print " X Chief = ",rayx(n), B6Kl_~gT
print " Y Chief = ",rayy(n) "vSKj/]
xraymax = -9e9 Ha `N
yraymax = -9e9 Y@0'0
xraymin = 9e9 C)z4Cn9#
yraymin = 9e9 ? +L,
xraytot = 0 nf0u:M"fm
yraytot = 0 )X jn:
numray = 0 &\N>N7/1
numrayattempt = 0 &
"&s ,
px = -1 - delta W~/d2_|/
label 2 3NgXM
px = px + delta t\K
(zE
py = -1 - delta p0bWzIH
label 3 Bzrn mz5S
py = py + delta 0cq@lT 6
rad = px*px + py*py H\R a*EO~j
if rad <= 0.9999999 I_<XL<
raytrace hx, hy, px, py d
fj23+
numrayattempt = numrayattempt+1 {siO a%;*
if !rayv(n) **************************** v
49o$s4J
numray = numray + 1 r%? -MGc
x = rayx(n) _-TplGSO=c
y = rayy(n) m!/TJhiQ
if (x < xraymin) then xraymin = x ?eIb7O
if (x > xraymax) then xraymax = x HeA XZA,
if (y < yraymin) then yraymin = y tp] 5[U
if (y > yraymax) then yraymax = y [yXmnrxA
xraytot = xraytot + x B-Jd|UE`u
yraytot = yraytot + y `FMo; ,j
endif "l56?@- x
endif ^)Hf %
if py < 1.0 then goto 3 2h
if px < 1.0 then goto 2 s1D<R,J|H
if numray eWcq f/4?"
format 14.8 ep"[; $Eb
print " X Centroid = ",xraytot/numray, <
'5~p$
print " Y Centroid = ",yraytot/numray KdR4<qVV}
print " X Middle = ",(xraymax+xraymin)/2, N `|A
print " Y Middle = ",(yraymax+yraymin)/2 &:&89<C'
format .0
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print " ",numray, " out of ", numrayattempt," rays made it through." }csA|cC
else }=^ ,c
print " No rays made it through!" lGd'_~'=
endif 7AV{
h[J
f=f+1 <k:I2LF_
if f<= nfld() then goto 1 +
Q-b}
print d . wGO]"
print "All field positions done!" *,\"}x*
FORMAT 0.1 !g|O.mt
print "Elapsed time ", ETIM(), " seconds." h<G4tjtk
