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············· jEE!H /
oI!"F=?&6
macro 正文：········· 'A>?aUq] :
! centroid.zpl t7xJ$^p[|K
! c4u/tt.)
! Written by Kenneth Moore 9/1/92 <(@Z#%O9)
! Added TIMER function 4/18/96 {i+
o'L w
! ! u'xdV+bf
TIMER gD51N()s,
! u]Q}jqiq"
! The delta controls how many rays will be traced. A o l41%q*
! delta of .025 will trace a 80 x 80 grid in the pupil. MhR`
! a{ L&RRJ
delta = .025 I(Qz%/ Ox
! F b?^+V]9
print "This program computes the chief ray coordinates," S]ayH$w\Q
print "centroid coordinates, and middle coordinates for" ,oUza EX
print "the primary wave spot at each field position." t
V(
WhP
maxfield = maxf() UWnF2,<s;
if maxfield == 0 then maxfield = 1 %Z4*;VwQ
n = nsur() 0zA;%oP
f = 1 eAo+w*D(
label 1 SswcO9JCX3
hx = fldx(f)/maxfield 4pl\qf
hy = fldy(f)/maxfield Y6&v&dA;
raytrace hx,hy,0,0 2Mk;r*FT
format 10.4 ?QmtZG.$
print "{r8'qn
print " X Field = ", fldx(f), z\oTuW*B
print " Y Field = ", fldy(f) (~eS$ 8>.
print " X Chief = ",rayx(n), 1I`F?MT
print " Y Chief = ",rayy(n) > SLQ W
xraymax = -9e9 Ufl\
uq3'H
yraymax = -9e9 z bYv}q
xraymin = 9e9 &9^4- 5]
yraymin = 9e9 "T_9_6tH
xraytot = 0 .Sn{a }XP4
yraytot = 0 Zj !,3{jX^
numray = 0 V]; i$
numrayattempt = 0 t VO}{[U}
px = -1 - delta 4~3
n
=T*
label 2 G"`
}"T0}
px = px + delta u.|%@
py = -1 - delta NuPlrCy;
label 3 /6Q]f
py = py + delta "d:rPJT)(@
rad = px*px + py*py h$kz3r;b,"
if rad <= 0.9999999 lHtywZ@%3
raytrace hx, hy, px, py *d jLf.I@
numrayattempt = numrayattempt+1 ^7wqb 'xg
if !rayv(n) ****************************
Nd RcA
numray = numray + 1 i_Hm?Bi!F
x = rayx(n) triU^uvh
y = rayy(n) +HBizJ9K
if (x < xraymin) then xraymin = x },j |eA/W
if (x > xraymax) then xraymax = x 'bJGQ[c
if (y < yraymin) then yraymin = y u+Ix''Fn#%
if (y > yraymax) then yraymax = y )I[f(f%W7
xraytot = xraytot + x ~;3#MAG
yraytot = yraytot + y L&DjNu`!9
endif A!Cby!,
endif 'o6}g p)
if py < 1.0 then goto 3 ns%gb!FBJX
if px < 1.0 then goto 2 ;O%
H]oN
if numray CdF;0A9 .3
format 14.8 u0Wt"d-=
print " X Centroid = ",xraytot/numray, UP^8Yhdo
print " Y Centroid = ",yraytot/numray LW v<mtuYf
print " X Middle = ",(xraymax+xraymin)/2, -$W1wb9z
print " Y Middle = ",(yraymax+yraymin)/2 Tk?uJ IS :
format .0 &'$Bk5 D@G
print " ",numray, " out of ", numrayattempt," rays made it through." /Ne#{*z)hO
else S[exnZ*Y
print " No rays made it through!" =}# yi<Lt
endif salC4z3
f=f+1 YK)m6zW5
if f<= nfld() then goto 1 B^/MwD>%
print vSR&>Q%X
print "All field positions done!" w2.]
3QAZ
FORMAT 0.1 -y-}g[`
print "Elapsed time ", ETIM(), " seconds." VKl,m ;& N
