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 )g
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macro 正文：········· K;H&n1
! centroid.zpl '$(^W@ M#6
! : bq8N@P/
! Written by Kenneth Moore 9/1/92 rcG"o\g@+
! Added TIMER function 4/18/96 C XMLt
! {Gk1vcq
TIMER {]@= ijjf
! '4Bm;&6M
! The delta controls how many rays will be traced. A KBc1{adDx@
! delta of .025 will trace a 80 x 80 grid in the pupil. > jLY"
! /%1ON9o>
delta = .025 Vv=. -&'
! sBg.u
print "This program computes the chief ray coordinates," \?k'4rH
print "centroid coordinates, and middle coordinates for" )}Kf=
print "the primary wave spot at each field position." Ka
V8[|Gn,
maxfield = maxf() wE`]7mA
if maxfield == 0 then maxfield = 1 p]+Pkxz]'
n = nsur() "`e{/7I
f = 1 *P=VFP
label 1 SZ'R59Ee<
hx = fldx(f)/maxfield ;'@9[N9
hy = fldy(f)/maxfield 8wF J4v3
raytrace hx,hy,0,0 2uW;
xfeY
format 10.4 #h
]g?*}OJ
print SO'vp z{
print " X Field = ", fldx(f), O m2d .7S
print " Y Field = ", fldy(f) /7F:T[
print " X Chief = ",rayx(n), d/kv|$XW
print " Y Chief = ",rayy(n) ;dgp+
xraymax = -9e9 z46~@y%k
yraymax = -9e9
Aw.qK9I
xraymin = 9e9 nmKp[-5
yraymin = 9e9 >0TxUc_va
xraytot = 0 "]Xc`3SM
yraytot = 0 ;[OH(!
numray = 0 I1M%J@ Cz
numrayattempt = 0 BW*rIn<?G
px = -1 - delta ~=l;=7 T
label 2 S_UIO.K
px = px + delta v PG},m~-
py = -1 - delta UySZbmP48
label 3 :*9Wh
py = py + delta y766;
X:J
rad = px*px + py*py YUy0! `!`
if rad <= 0.9999999 h MD|#A-<
raytrace hx, hy, px, py <R=Zs[9M1
numrayattempt = numrayattempt+1 BpP y&
if !rayv(n) **************************** LFRlzz;
numray = numray + 1 R$[vm6T?
x = rayx(n) $B5aje}i
y = rayy(n) \"OG6G_>$
if (x < xraymin) then xraymin = x cI OlhX@
if (x > xraymax) then xraymax = x 9EibIOD^/
if (y < yraymin) then yraymin = y sS'm!7*(3
if (y > yraymax) then yraymax = y .|i.Cq8
xraytot = xraytot + x R8Fv{7]c
yraytot = yraytot + y ~U&AI1t+J
endif ?J~_R1Z
endif $5%SNzzl
if py < 1.0 then goto 3 z_4 J)?3
if px < 1.0 then goto 2 .Rs^YZ F
if numray ?J >
format 14.8 LBDjIpR6
print " X Centroid = ",xraytot/numray, T!)(Dv8@F
print " Y Centroid = ",yraytot/numray MeZf*'
J
print " X Middle = ",(xraymax+xraymin)/2, r0% D 58
print " Y Middle = ",(yraymax+yraymin)/2 '3 ^'B0 3
format .0 Ry6@VQ"NLb
print " ",numray, " out of ", numrayattempt," rays made it through." $Ri; ^pZw[
else a~y'RyA
print " No rays made it through!" B>P{A7Q
endif }y gD3:vN7
f=f+1 DT& @^$?
if f<= nfld() then goto 1 LsU9 .
print 5vnrA'BhBU
print "All field positions done!" <bEbweQrgm
FORMAT 0.1 e^1Twz3z
print "Elapsed time ", ETIM(), " seconds." &`2)V;t
