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············· C=]3NB>Jc
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macro 正文：········· Cn55%:
! centroid.zpl ]lo1Kw
! 4w?7AI]Ej
! Written by Kenneth Moore 9/1/92 w\mF2h
! Added TIMER function 4/18/96 ~3%3{a a
! 3 (&.[o
Z
TIMER x L BG}C
! %b?Pasf.
! The delta controls how many rays will be traced. A }o t _k-
! delta of .025 will trace a 80 x 80 grid in the pupil. $W?XxgkB?
! Ocb2XEF
delta = .025 BNy"YK$
! f8 ja Mn9o
print "This program computes the chief ray coordinates,"
j{^(TE
print "centroid coordinates, and middle coordinates for" d "78:+
print "the primary wave spot at each field position." HD EG/k/~m
maxfield = maxf() 9, W-KM
if maxfield == 0 then maxfield = 1 K$.zO4
n = nsur() wI4;/w>
f = 1 /OP*ARoC21
label 1 e ?YbG.(E9
hx = fldx(f)/maxfield V4-=Ni]k
hy = fldy(f)/maxfield F[u%t34'
raytrace hx,hy,0,0 c aP
format 10.4 |FFC8R%@]u
print d.AjH9 jg
print " X Field = ", fldx(f), (*ng$z Z$
print " Y Field = ", fldy(f) OGFKc#
print " X Chief = ",rayx(n), @NIypi$T
print " Y Chief = ",rayy(n)
SoX V
xraymax = -9e9 ]cr; PRyv
yraymax = -9e9 7j:{rCp3J
xraymin = 9e9 J$Epj
yraymin = 9e9 Q8x{V_Pot
xraytot = 0 /;4MexgB%
yraytot = 0 Q.1ohj0)
numray = 0 X 2[cR;;'
numrayattempt = 0 HWhKX:`l
px = -1 - delta 0vp I#q
label 2 ?~.&Y
px = px + delta ?nW#qy!R
py = -1 - delta b..$5
label 3 'EV *-_k
py = py + delta \zU5G#LQ
rad = px*px + py*py d* $<%J
if rad <= 0.9999999 2-0cB$W+
raytrace hx, hy, px, py a1SOC=.M;
numrayattempt = numrayattempt+1 l*Ei7 |Z
if !rayv(n) **************************** ef&@aB
numray = numray + 1 )|R9mW=k9P
x = rayx(n) l7,qWSsn K
y = rayy(n) %wW 5)Y I
if (x < xraymin) then xraymin = x 0@ lC5-=
if (x > xraymax) then xraymax = x t5X
lR]` w
if (y < yraymin) then yraymin = y h)8+4?-4 I
if (y > yraymax) then yraymax = y gF6j 6
xraytot = xraytot + x Ok&>[qu
yraytot = yraytot + y b:Kw_Q
endif ]Cn*C{
endif EA w#$Aq=
if py < 1.0 then goto 3 *"FL kC4
if px < 1.0 then goto 2
IB{ZE/
if numray v8bl-9DQ
format 14.8 $af}+:'
print " X Centroid = ",xraytot/numray, 8 QF?W{NK
print " Y Centroid = ",yraytot/numray ^YJA\ d@
print " X Middle = ",(xraymax+xraymin)/2, %8CT -mQ
print " Y Middle = ",(yraymax+yraymin)/2 /}`/i(k
format .0 3C=clB9<
print " ",numray, " out of ", numrayattempt," rays made it through." h#>L:Wf5E
else gvqd 1?0w
print " No rays made it through!" ll\^9
4]Q
endif 9C}aX }`
f=f+1 :$i:8lz
if f<= nfld() then goto 1 v7FRTrqjj
print gkML .u
print "All field positions done!" yj'' \
FORMAT 0.1 ;K\N
print "Elapsed time ", ETIM(), " seconds." eM=) >zl
