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············· (M,*R
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macro 正文：········· zA&]#mc
! centroid.zpl ](^BQc
!
aP +)
! Written by Kenneth Moore 9/1/92 uh~,>~a|
! Added TIMER function 4/18/96 %<'PSri
! NSQf@o
TIMER MJ`BlE,Fmb
! 1.q
a//'RW
! The delta controls how many rays will be traced. A ~H`(z zk
! delta of .025 will trace a 80 x 80 grid in the pupil. I#](mRJ6
! +q)B4A'J!
delta = .025 _,E ! <
! yA-UXKT
print "This program computes the chief ray coordinates," M\be a
print "centroid coordinates, and middle coordinates for" #jX%nqM xW
print "the primary wave spot at each field position." 7f
q\
H{
maxfield = maxf() tf q; KR
if maxfield == 0 then maxfield = 1 "\x\P)j 0>
n = nsur() ZbLN:g}
f = 1 " ?Xb$V7
label 1 x-ZCaa}O
hx = fldx(f)/maxfield M9dUo7
hy = fldy(f)/maxfield 9y5n G
raytrace hx,hy,0,0 vhu5w#]u*
format 10.4 Ke,$3Yx
print G bbD)
print " X Field = ", fldx(f), UNd+MHE74I
print " Y Field = ", fldy(f) /*)
=o+
print " X Chief = ",rayx(n), \J3n[6;
print " Y Chief = ",rayy(n) D*o [a #2_
xraymax = -9e9 )w!*6<
yraymax = -9e9 zu|=1C#5h
xraymin = 9e9 ~:lN("9OI
yraymin = 9e9 BX6]d:S
xraytot = 0 "ku ?A ^f
yraytot = 0 P*sb@ y>}O
numray = 0 IBe0?F #
numrayattempt = 0 tD !$!\`O
px = -1 - delta V/i7Z h#2:
label 2 b0"R |d[i
px = px + delta rJ}k!}G
py = -1 - delta 4?9cyv4H
label 3 :p,DAt}
py = py + delta 5qx$=6PT
rad = px*px + py*py 5Rec~&v
if rad <= 0.9999999 b py576GwA
raytrace hx, hy, px, py E0Jk=cq
numrayattempt = numrayattempt+1 2zN%Z!a#J
if !rayv(n) **************************** >J
No2
numray = numray + 1 !^<%RT9@|
x = rayx(n) -
d(RK_
y = rayy(n) dTW3mF4=
if (x < xraymin) then xraymin = x CN F3".a
if (x > xraymax) then xraymax = x 4w-P%-4
if (y < yraymin) then yraymin = y nXnO]wXC
if (y > yraymax) then yraymax = y 13 e @
xraytot = xraytot + x 5(sWV:_2
yraytot = yraytot + y iH""dtO
endif dY%>C75O
endif Me e+bp
if py < 1.0 then goto 3 .kkrU
if px < 1.0 then goto 2 x nm!$ $W
if numray {] CO;5:
format 14.8 b];? tP
print " X Centroid = ",xraytot/numray, t)/:VImY
print " Y Centroid = ",yraytot/numray woCFkO;'O
print " X Middle = ",(xraymax+xraymin)/2, 8h| 9;%
print " Y Middle = ",(yraymax+yraymin)/2 =/jCDY
format .0 )dgo oq
print " ",numray, " out of ", numrayattempt," rays made it through." UjI -<|
else B&oP0 jS
print " No rays made it through!" &; O)D w
endif I>L@ P`d
f=f+1 ,>Lj>g{~
if f<= nfld() then goto 1 4BgrG[l)
print Z hpbbS
print "All field positions done!" 7v^V]&&s
FORMAT 0.1 }yW*vy6`
print "Elapsed time ", ETIM(), " seconds." YZH &KGY
