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············· MRN=-|fV^
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macro 正文：········· HAm AmEc,
! centroid.zpl @bF4'M
! MG:eI?G/'
! Written by Kenneth Moore 9/1/92 @
D.MpM}~
! Added TIMER function 4/18/96 Ny5$IIF e
! !6FO[^h||H
TIMER [=]LR9c 4
! ~s2la~gu
! The delta controls how many rays will be traced. A "_
H 9]}Q
! delta of .025 will trace a 80 x 80 grid in the pupil. +lw8YH
! ! rTkH4!_
delta = .025 @i BaJ"*,
! >Vph_98|
print "This program computes the chief ray coordinates," g+]o=@
print "centroid coordinates, and middle coordinates for" !,9 ;AMO
-
print "the primary wave spot at each field position." S+bpW A
maxfield = maxf() G]zyx"0Sqb
if maxfield == 0 then maxfield = 1 LV@tt&|N
n = nsur() {F ',e~}s
f = 1 !W/"Z!k
label 1 KnC:hus
hx = fldx(f)/maxfield _)ZxD--Qg
hy = fldy(f)/maxfield DCKH^J
raytrace hx,hy,0,0 |_m N:(3
format 10.4 ,t
+sw4
print B ^@X1EE
print " X Field = ", fldx(f), W!V-m
print " Y Field = ", fldy(f) :B~m^5
print " X Chief = ",rayx(n), H>F j
print " Y Chief = ",rayy(n) .`jYrW-k
xraymax = -9e9 rUg|5EN^)d
yraymax = -9e9 |ZG0E
xraymin = 9e9 H,EGB8E2
yraymin = 9e9 J1Run0
xraytot = 0 m,)o&ix1
yraytot = 0 g\1|<jb3
numray = 0 -5Oy k,
numrayattempt = 0 dy]ZS<Hz8G
px = -1 - delta |4rqj 1*U
label 2 ,</Kn~b
px = px + delta 5Z`f .}^w
py = -1 - delta ej,R:}C%`
label 3 \V
T.bUs
py = py + delta I ZBY*kr
rad = px*px + py*py {uurLEe?
if rad <= 0.9999999 q!{>Nlk
raytrace hx, hy, px, py XD Q<28^
numrayattempt = numrayattempt+1 `L%< 3/hF
if !rayv(n) **************************** 1 s.>_
numray = numray + 1 4"veq rC
x = rayx(n) Nx"|10gC
y = rayy(n) EMzJyG t7
if (x < xraymin) then xraymin = x nP_)PDTFp
if (x > xraymax) then xraymax = x [1e]_9)p
if (y < yraymin) then yraymin = y C!U$<_I\2
if (y > yraymax) then yraymax = y 6+4SMf3
xraytot = xraytot + x gxmY^" Jy
yraytot = yraytot + y
N@X(YlO
endif ]CDUHz
endif B.:1fT7lI
if py < 1.0 then goto 3 h@dy}Id
if px < 1.0 then goto 2 JCci*F#r
if numray " c+$GS
format 14.8 Z1_F)5p n
print " X Centroid = ",xraytot/numray, fr`Q
5!0
print " Y Centroid = ",yraytot/numray Q CO,f
print " X Middle = ",(xraymax+xraymin)/2, $'<FPbUtD}
print " Y Middle = ",(yraymax+yraymin)/2 xnHB
<xrE}
format .0 mbns%%GJU
print " ",numray, " out of ", numrayattempt," rays made it through." 5A+@xhRf
else L{oG'aK4
print " No rays made it through!" <H$!OPV
endif n=?wX#rEC#
f=f+1 MT6" b
if f<= nfld() then goto 1 dZX;k0
print Oh%p1 $H
print "All field positions done!" Bj G fUQ
FORMAT 0.1 5fRr d;
print "Elapsed time ", ETIM(), " seconds." *4%%^*g.I
