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············· Rz33_ qA
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macro 正文：········· sA+( |cEh
! centroid.zpl S|_lb MZM
! xic&m5j
m
! Written by Kenneth Moore 9/1/92 QW&@> i
! Added TIMER function 4/18/96 D+*_iM6[-
! >
!WFY
TIMER M5+K[Ir/y9
! ['l} *
! The delta controls how many rays will be traced. A _Tf0L<A'R
! delta of .025 will trace a 80 x 80 grid in the pupil. |l,0bkY@&
! 9RY}m7
delta = .025 Y>K3.*.
! (M%ZSF V
print "This program computes the chief ray coordinates," J(`(PYo\i
print "centroid coordinates, and middle coordinates for" ~<=wTns!
print "the primary wave spot at each field position." 58Z,(4:E
maxfield = maxf() ]$A6krfh|
if maxfield == 0 then maxfield = 1 M_\)<a( 8
n = nsur() lUHpGr|U%
f = 1 %X(|Z4dL
label 1 0j[%L!hny
hx = fldx(f)/maxfield @34CaZ$k
hy = fldy(f)/maxfield \eS-wO7%
raytrace hx,hy,0,0 /^Zgv -n
format 10.4 \05 n$.
print 9K#U<Q0b'
print " X Field = ", fldx(f), Tc; j )_C)
print " Y Field = ", fldy(f) QBTjiaYGa'
print " X Chief = ",rayx(n), o&rNM5:
print " Y Chief = ",rayy(n) ~)!vhdBe
xraymax = -9e9 5~xv"S(E}
yraymax = -9e9 h?&S*)1
xraymin = 9e9 5i&+.?(Z=
yraymin = 9e9 S{)'1J_ 0
xraytot = 0
Tv~Ys #
yraytot = 0 3 HB(rTw
numray = 0 uJ%XF*> _D
numrayattempt = 0 qF4pTQf
px = -1 - delta 6s&%~6J,
label 2 ziD+% -
px = px + delta Rm=[Sj84
py = -1 - delta 1&JB@F9!
label 3 qISzn04
py = py + delta `xu/|})KI
rad = px*px + py*py =/qj vY
if rad <= 0.9999999 Kv6#WN~
raytrace hx, hy, px, py #W=H)6
numrayattempt = numrayattempt+1 )R"deb=s
if !rayv(n) **************************** `Z~\& r=
numray = numray + 1 /Wm3qlv
x = rayx(n) +L<x0-&
y = rayy(n) v/}h y$7
if (x < xraymin) then xraymin = x h%(0|
if (x > xraymax) then xraymax = x jxA*Gg3cT5
if (y < yraymin) then yraymin = y gX *i" Y#
if (y > yraymax) then yraymax = y ; p2a .P
xraytot = xraytot + x N+0 `Jm
yraytot = yraytot + y Ke,$3Yx
endif G bbD)
endif UNd+MHE74I
if py < 1.0 then goto 3 /*)
=o+
if px < 1.0 then goto 2 \J3n[6;
if numray (% f2ZNen
format 14.8 EXTQ:HSES
print " X Centroid = ",xraytot/numray, zu|=1C#5h
print " Y Centroid = ",yraytot/numray ~:lN("9OI
print " X Middle = ",(xraymax+xraymin)/2, BX6]d:S
print " Y Middle = ",(yraymax+yraymin)/2 "ku ?A ^f
format .0 eXZH#K7S#
print " ",numray, " out of ", numrayattempt," rays made it through." B3i U#
else 9x 9~u8j
print " No rays made it through!" 7"Iagrgw
endif XveG#oyiU
f=f+1 %y}l^P5z
if f<= nfld() then goto 1 k=qb YGK
print Y'%k
G5nF
print "All field positions done!" zWEt< `1M
FORMAT 0.1 b py576GwA
print "Elapsed time ", ETIM(), " seconds." E0Jk=cq
