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············· |=V~CQ]
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macro 正文：········· b"B:DDw0 0
! centroid.zpl Ry? f; s
! \eR ct_
! Written by Kenneth Moore 9/1/92 D6C h6i5$
! Added TIMER function 4/18/96 k^zU;
! s%RG_"l
TIMER [X>f;;h
! H ?V
b
! The delta controls how many rays will be traced. A o%0To{MAF-
! delta of .025 will trace a 80 x 80 grid in the pupil. da@W6Ov x
! _6g(C_m'T?
delta = .025 Jje!*?&8X
! %3 6@1l-N
print "This program computes the chief ray coordinates," 8xkLfN|N=
print "centroid coordinates, and middle coordinates for" ,lFp4 C
print "the primary wave spot at each field position." s#(%u t
maxfield = maxf() T8yMaC
if maxfield == 0 then maxfield = 1 !fjB oK+
n = nsur() 4=N(@mS
f = 1 yM,Y8^
label 1 jdx T662q
hx = fldx(f)/maxfield Iyb_5 UmpF
hy = fldy(f)/maxfield rZE+B25T~
raytrace hx,hy,0,0 {kr14 l*2
format 10.4 q1m{G1W
n
print S,Tc\}
print " X Field = ", fldx(f), Z9Z\2t
print " Y Field = ", fldy(f) R dNL f
print " X Chief = ",rayx(n), - = ZDfM
print " Y Chief = ",rayy(n) 81w"*G5AM
xraymax = -9e9 M+:9U&>
yraymax = -9e9 yhs:.h
xraymin = 9e9 '}"&JO~vPj
yraymin = 9e9 HV * ;Yt
xraytot = 0 15r=d
yraytot = 0 ExeZj8U
numray = 0 @[ Q`k=h$
numrayattempt = 0 ;uzLa%JQ
px = -1 - delta |--Jd$ dj
label 2 aPQ xpK?
px = px + delta NFR>[L V
py = -1 - delta P%N)]b<c*
label 3 <1
;pyw
y
py = py + delta sV \K[4HG
rad = px*px + py*py | 68k9rq
if rad <= 0.9999999 <XN=v!2;
raytrace hx, hy, px, py F YK`.>L28
numrayattempt = numrayattempt+1 s[t<2)i
if !rayv(n) ****************************
90K&oof?M
numray = numray + 1 Lj3Pp$h
x = rayx(n) [^^ Pl :+
y = rayy(n) \-f/\P/ w
if (x < xraymin) then xraymin = x U3Z-1G~* r
if (x > xraymax) then xraymax = x C\B4 Uu6q
if (y < yraymin) then yraymin = y _ElG&hyp
if (y > yraymax) then yraymax = y =|8hG*D8
xraytot = xraytot + x `#vbV /sM
yraytot = yraytot + y k[,0k P;
endif 8@RtL,[d
endif > >KCd
if py < 1.0 then goto 3 P,F
eF'J^
if px < 1.0 then goto 2 *[|+5LVn
if numray ;mvVo-r*q
format 14.8 mCG&=Fx
print " X Centroid = ",xraytot/numray, E z-Q 'v(9
print " Y Centroid = ",yraytot/numray 0/9]T Ic
print " X Middle = ",(xraymax+xraymin)/2, D /GE-lq
print " Y Middle = ",(yraymax+yraymin)/2 ?_cOU@n
format .0 i'4.w?O Z
print " ",numray, " out of ", numrayattempt," rays made it through." &;=/^~EG
else 6U.|0mG[
print " No rays made it through!" QR _h#N2h
endif u05Yy&(f
f=f+1 /,UnT(/k(
if f<= nfld() then goto 1 -e sQyLx
print 7D4tuXUq2
print "All field positions done!" Ak8Y?#"wz
FORMAT 0.1 ! Dj2/][
print "Elapsed time ", ETIM(), " seconds." #<ST.f@*
