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············· KG)7hja<6g
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macro 正文：········· ;H /*%2
! centroid.zpl S:/;|Dg
! E9HA8
! Written by Kenneth Moore 9/1/92 2-j+-B|i
! Added TIMER function 4/18/96 B2:6=8<
! X+ ;I vx
TIMER 8:0QI kqk
! ~b/lr
! The delta controls how many rays will be traced. A dN\Byl(6
! delta of .025 will trace a 80 x 80 grid in the pupil. _JOrGVmD
! \NKf$"x}
delta = .025 5 :6^533]
! R8P7JY[ h
print "This program computes the chief ray coordinates," G<OC99;8
print "centroid coordinates, and middle coordinates for" =HmV0
print "the primary wave spot at each field position." YlwCl4hq
maxfield = maxf() N[d*_KN.!
if maxfield == 0 then maxfield = 1 HGfV2FtT z
n = nsur() >'w l)j $
f = 1 "8%B
(a
5A
label 1 &!]$ #
hx = fldx(f)/maxfield xCF k1%qf
hy = fldy(f)/maxfield ))|Wm}
raytrace hx,hy,0,0 _ HX 1E
format 10.4 _O2},9 L n
print ' Dv
`Gj
print " X Field = ", fldx(f), {[hH:
\
print " Y Field = ", fldy(f) 5:/
zbt\C
print " X Chief = ",rayx(n), s$css{(ek
print " Y Chief = ",rayy(n) z(d@!C d
xraymax = -9e9 &$t BD@7
yraymax = -9e9 K@Q_q/(%;
xraymin = 9e9 )(~4fA5j)
yraymin = 9e9 mv|eEz)r
xraytot = 0 f9u ^/QVS&
yraytot = 0 <uDEDb1|l
numray = 0 h
1G` z
numrayattempt = 0 ewg&DBbN"
px = -1 - delta r/'9@oM
label 2 )$Xd#bzD|
px = px + delta 2ikY.Xi6
py = -1 - delta !c[(#g
label 3 ojU:RRr4l$
py = py + delta xr+K:
bw
rad = px*px + py*py 8-5MGh0L
if rad <= 0.9999999 exrsYo!%
raytrace hx, hy, px, py w~+5F SdH
numrayattempt = numrayattempt+1 _+YCwg
if !rayv(n) **************************** jm0J)Z_"nr
numray = numray + 1 i71 ,
x = rayx(n) uN20sD}
y = rayy(n) l_Gv dD
if (x < xraymin) then xraymin = x RB.& ,1
if (x > xraymax) then xraymax = x pV{MW#e
if (y < yraymin) then yraymin = y ,0%P 3
if (y > yraymax) then yraymax = y l?v`kAMR
xraytot = xraytot + x :L#t?~
yraytot = yraytot + y (G $nN*rlu
endif {Ak{
ct\t
endif {I+
if py < 1.0 then goto 3 n_\V G[f
if px < 1.0 then goto 2 rq?:I:0
if numray *t J+!1
format 14.8 {$z )7s
print " X Centroid = ",xraytot/numray, <
.&t'W
print " Y Centroid = ",yraytot/numray qOYCQ
print " X Middle = ",(xraymax+xraymin)/2, ~L(=-B`Ow
print " Y Middle = ",(yraymax+yraymin)/2 nlJ~Q_E(
format .0 FJKW=1 =,
print " ",numray, " out of ", numrayattempt," rays made it through." 7 |LJwXQ-
else hNs970i
print " No rays made it through!" =x cA4"k
endif P.Pw .[:3
f=f+1 *5Upb,* *
if f<= nfld() then goto 1 Ry>c]\a]
print P5/K?I~/So
print "All field positions done!" 48dIh\TH"
FORMAT 0.1 wJ@8-H 8}
print "Elapsed time ", ETIM(), " seconds." wEL$QOu$
