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············· J xm9@,
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macro 正文：········· t!~YO'<dS
! centroid.zpl @:+n 6
! <n TmZ-;
! Written by Kenneth Moore 9/1/92 WG/J4H`Od
! Added TIMER function 4/18/96 eH%L?"J~:
! lzs(i 2pA
TIMER KHecc/,,S
! I.+)sB?5
! The delta controls how many rays will be traced. A ESxC{
"
! delta of .025 will trace a 80 x 80 grid in the pupil. B9I Xa;
! A?D"j7JD=L
delta = .025 =j+oKGkoCa
! %}MA5 t]o
print "This program computes the chief ray coordinates," }
ndvV~*1
print "centroid coordinates, and middle coordinates for" O
{6gNR,*
print "the primary wave spot at each field position." (_qBsng:
maxfield = maxf() NQ!N"C3u
if maxfield == 0 then maxfield = 1 s i "`
n = nsur() 'CX.qxF1;p
f = 1 (Ef2
w[ '
label 1 w$lfR ,
hx = fldx(f)/maxfield )xvx6?Ah|
hy = fldy(f)/maxfield .aismc`=
raytrace hx,hy,0,0 > }DjHLTW\
format 10.4 zz ' dg-F
print AIl$qPKj&
print " X Field = ", fldx(f), hG~]~ )
print " Y Field = ", fldy(f) O<dZA=Oez
print " X Chief = ",rayx(n), \gp,Txueb
print " Y Chief = ",rayy(n) =F %wlzF:
xraymax = -9e9 Qw<kX*fxrI
yraymax = -9e9
sO6g IPU^
xraymin = 9e9 n `m_S
yraymin = 9e9 O:,2OMB}B`
xraytot = 0 a(ux?V)E.
yraytot = 0 Jn[q<e"
numray = 0 W?^8/1U
numrayattempt = 0 cCh0?g7nV
px = -1 - delta -?aw^du
label 2 3j+=3n,
px = px + delta <RoX| zJw
py = -1 - delta O,=Q1*c,&
label 3 WAwf L?
py = py + delta /m
Q2;*|
rad = px*px + py*py X40la_[.
if rad <= 0.9999999 F9k
I'<Q
raytrace hx, hy, px, py )iEa2uJ
numrayattempt = numrayattempt+1 T6R7,Vt'v
if !rayv(n) **************************** 4>$
;gH
numray = numray + 1 /O haERv
x = rayx(n) R(2HY Z
y = rayy(n) |D;"D
if (x < xraymin) then xraymin = x Q(=Vk~v
if (x > xraymax) then xraymax = x c#{Y wh
if (y < yraymin) then yraymin = y {+ C %D'
if (y > yraymax) then yraymax = y `R=a@DQ
xraytot = xraytot + x 23}BW_ m
yraytot = yraytot + y 28T\@zi
endif YQ 8j
endif j8[`~p b
if py < 1.0 then goto 3 ]cF1c90%
if px < 1.0 then goto 2 W(uP`M%][0
if numray Y!Uu173
format 14.8 ]RH=s7L
print " X Centroid = ",xraytot/numray, 8 zQ_xE
print " Y Centroid = ",yraytot/numray i{ t TUA
print " X Middle = ",(xraymax+xraymin)/2, g x!*O<|e4
print " Y Middle = ",(yraymax+yraymin)/2 1u"R=D9p,=
format .0 ^8?j~&u$F
print " ",numray, " out of ", numrayattempt," rays made it through." wJ80};!
else ]z-']R;
print " No rays made it through!" 5i!V}hE
endif =bs.2aN&^
f=f+1 !
Q|J']|
if f<= nfld() then goto 1 H$~M`Y9I~
print WF ?/GN
print "All field positions done!" -yX.Jv
FORMAT 0.1 \6`v.B&v
print "Elapsed time ", ETIM(), " seconds." S2J#b" Y
