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············· QS0:@.}$E)
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macro 正文：········· ~0?mBy!-O
! centroid.zpl avjpA ?V z
! &
SiP\65N
! Written by Kenneth Moore 9/1/92 h
a|C&G
! Added TIMER function 4/18/96 ^<;V]cY`
! .#wqXRd
TIMER uB |Ss
! ygOd69
! The delta controls how many rays will be traced. A qd+h$ "p
! delta of .025 will trace a 80 x 80 grid in the pupil. ^L0d/,ik
! Y;n Z=9Sw
delta = .025 `))\}C@k
! pa#d L!J
print "This program computes the chief ray coordinates," ^
K|;~}P
print "centroid coordinates, and middle coordinates for" nv)2!mAh\
print "the primary wave spot at each field position." "mX\&%i6\p
maxfield = maxf() *Kyw^DI
if maxfield == 0 then maxfield = 1 .b \$MZ"(
n = nsur() vesJEaw7
f = 1 rJFc ({ 0
label 1 Z -,J) gW
hx = fldx(f)/maxfield .tkT<o-u<J
hy = fldy(f)/maxfield 5pU2|Bk /
raytrace hx,hy,0,0 G,TM- l_uw
format 10.4 X_qf"|i
print YRv&1!VLE
print " X Field = ", fldx(f), 1<+2 kBuY
print " Y Field = ", fldy(f) A"`foI$0
print " X Chief = ",rayx(n), pp.6Ex
(R
print " Y Chief = ",rayy(n) XIvn_&d;G
xraymax = -9e9 Jwj%_<
yraymax = -9e9 3:5 &Aa!
xraymin = 9e9 ?aC'.jH+
yraymin = 9e9 6`!Fv-
xraytot = 0 :*t"8;O[
yraytot = 0 nM\eDNK
numray = 0 Q F-LU
numrayattempt = 0 u583_k%
px = -1 - delta 'sLiu8G
label 2 wx\v:A
px = px + delta @lCJ G!u
py = -1 - delta " .SJ~`S
label 3 <F'X<B au
py = py + delta .U"8mP=&
rad = px*px + py*py wtmB+:I
if rad <= 0.9999999 KQ `qpX^d
raytrace hx, hy, px, py Qhs/E`k4
numrayattempt = numrayattempt+1 %R z&lh/
if !rayv(n) **************************** /D5`
numray = numray + 1 3k|oK'l
x = rayx(n) +z u(
y = rayy(n) ]BtbWKJBqe
if (x < xraymin) then xraymin = x Z-8Yd6 4
if (x > xraymax) then xraymax = x qP2ekI:y
if (y < yraymin) then yraymin = y BJgW,huLy
if (y > yraymax) then yraymax = y wUiys/ OVM
xraytot = xraytot + x i O/K nH
yraytot = yraytot + y bKj%s@ x
endif %@;6^=
endif I/M _p^
if py < 1.0 then goto 3 s"9`s_p`d
if px < 1.0 then goto 2 Y7#-Fra0W
if numray 7 @Zx@
format 14.8 6lk l7zm
print " X Centroid = ",xraytot/numray, ~ zil/P8
print " Y Centroid = ",yraytot/numray 5nTY ?<x`k
print " X Middle = ",(xraymax+xraymin)/2, <EPj$::
print " Y Middle = ",(yraymax+yraymin)/2 %uJ<M-@r=u
format .0 ^zE wA
print " ",numray, " out of ", numrayattempt," rays made it through."
L f"i
!
else QU%I43
print " No rays made it through!" B;R.# ^@/
endif "]oO{'1X
f=f+1 /CuXa%Ci^
if f<= nfld() then goto 1 T21ky>8E
print HS{(v;
print "All field positions done!" !O.[PH(,*
FORMAT 0.1 ]?Fi$3Lm
print "Elapsed time ", ETIM(), " seconds." j<2m,~k`V
