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············· F'>yBDm*OM
^t71${w##
macro 正文：········· w2V:x[
! centroid.zpl [O'aka
Q
! t5_76'@cX
! Written by Kenneth Moore 9/1/92 fQ"Vx!
! Added TIMER function 4/18/96 = jh^mD&'
! suIYfjh
TIMER : O@(Sv
! 8+7*> FD)1
! The delta controls how many rays will be traced. A p<h(
! delta of .025 will trace a 80 x 80 grid in the pupil. 7)1%Z{Dy
! &hI!0DixX
delta = .025 _t;^\"\
! :-U& _%#w
print "This program computes the chief ray coordinates," #@w/S:KbJt
print "centroid coordinates, and middle coordinates for" qhG2j;
print "the primary wave spot at each field position." Z_dL@\#|
maxfield = maxf() %-$
:/ N
if maxfield == 0 then maxfield = 1 ^8bc< c:P
n = nsur() ]8OmYU%6V
f = 1 As5l36
label 1 jTNt!2 :B
hx = fldx(f)/maxfield hP{+`\&<f
hy = fldy(f)/maxfield oxeIh9
E
raytrace hx,hy,0,0 ~ArRD-_t
format 10.4 X YD-5pG
print Z8/.I
print " X Field = ", fldx(f), R>~I8k9mM
print " Y Field = ", fldy(f) Wl=yxJu_(
print " X Chief = ",rayx(n), 6vTnm4
print " Y Chief = ",rayy(n) 8[t*VIXI
xraymax = -9e9 ? p[Rv
yraymax = -9e9 pRxVsOb
xraymin = 9e9 pZ[|Q 2(
yraymin = 9e9 N}[!QE
xraytot = 0 3G 5xIr6
yraytot = 0 R}3th/ qf
numray = 0 =d <~:!)
numrayattempt = 0 Ktt(l-e +
px = -1 - delta =zrfh-lwH
label 2 ;.xKVH/ @
px = px + delta C|g1:#0
py = -1 - delta vA Z kT"
label 3 0*kS \R=P
py = py + delta ^?\|2H
rad = px*px + py*py P.k>6T<U>
if rad <= 0.9999999 Voq /0,d
raytrace hx, hy, px, py ZQir?1=
numrayattempt = numrayattempt+1 'r_Fi5[q
if !rayv(n) **************************** _
M B/p
numray = numray + 1 y4 ]5z/
x = rayx(n) 7I]?:%8 h
y = rayy(n) g2^{+,/^K
if (x < xraymin) then xraymin = x 2h]CZD4
if (x > xraymax) then xraymax = x (M
u;U!M"P
if (y < yraymin) then yraymin = y S= `$w
if (y > yraymax) then yraymax = y 91yYR*
xraytot = xraytot + x mea}
9]c
yraytot = yraytot + y 5 A 5t
endif MT)q?NcG
endif lfd-!(tXD
if py < 1.0 then goto 3 c05-1
if px < 1.0 then goto 2 i| ,}y`C#
if numray U7g,@/Qx
format 14.8 P|lDW|}D@
print " X Centroid = ",xraytot/numray, /[/{m ]
print " Y Centroid = ",yraytot/numray .!lLj1?p
print " X Middle = ",(xraymax+xraymin)/2,
+O8 zVWr
print " Y Middle = ",(yraymax+yraymin)/2 lt]&o0>
format .0 S1~K.<B
print " ",numray, " out of ", numrayattempt," rays made it through." Y[>h |@
else ZFH-srs{
print " No rays made it through!" Fo%`X[ ?
endif `(P71T
f=f+1 [ybK
if f<= nfld() then goto 1 gcO$ T`
print Slv:CM
M
print "All field positions done!" -k2|`t _
FORMAT 0.1 m#O; 1/P
print "Elapsed time ", ETIM(), " seconds." (n2_HePE
