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············· :S0r)CNP
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macro 正文：········· }]N7CWy
! centroid.zpl K0yTHX?(.
!
]nhLv!Co
! Written by Kenneth Moore 9/1/92 7 w_`<b6
! Added TIMER function 4/18/96 }XWic88!~
! GptJQ =pV
TIMER 3_ B . W
! Lg[*P8wE
! The delta controls how many rays will be traced. A ]y@9 z b
! delta of .025 will trace a 80 x 80 grid in the pupil. p@/!+$^{
! NwoBM6 #
delta = .025 2I(0EBW
! w#U 3h]>,
print "This program computes the chief ray coordinates," 5Y#yz>B@ ]
print "centroid coordinates, and middle coordinates for" .6+j&{WNo!
print "the primary wave spot at each field position." bdk"7N
maxfield = maxf() 9kuL1tcY
if maxfield == 0 then maxfield = 1 U")~bU
n = nsur() 7gfNe kr~W
f = 1 ` MlQPLH
label 1 'ADt<m_$
hx = fldx(f)/maxfield 49^;T;'v
hy = fldy(f)/maxfield BJ<hP9 #
raytrace hx,hy,0,0 ` QXO+'j4
format 10.4 JGX E{FT
print 2PE|4zG
print " X Field = ", fldx(f), @zB {Ig
print " Y Field = ", fldy(f) ~t n*y4uK
print " X Chief = ",rayx(n), }RYr)
print " Y Chief = ",rayy(n) t@QaxZIlt;
xraymax = -9e9 T|Sz~nO}f
yraymax = -9e9 b/5?)!I
xraymin = 9e9 Ovv~ymj
yraymin = 9e9 e3"GC_*#
xraytot = 0 8]]uk=P
yraytot = 0 Jm0P~E[n
numray = 0 $Lv,e\]
numrayattempt = 0 eZIq yw
px = -1 - delta 6C4c.+S
label 2 _,"T; i
px = px + delta w <<>XIL
py = -1 - delta /jaTH_Q),:
label 3 MzL^u 8
py = py + delta n@ XI$>B
rad = px*px + py*py & V^ Z
if rad <= 0.9999999 R22 YKXU
raytrace hx, hy, px, py #8MA+
numrayattempt = numrayattempt+1 L/_h5 Q:'W
if !rayv(n) **************************** t* m04* }
numray = numray + 1 "}!|V)K
x = rayx(n) sI7d?+
y = rayy(n) Xt^ld W
if (x < xraymin) then xraymin = x [^ $nt
if (x > xraymax) then xraymax = x s ]50 Y-C
if (y < yraymin) then yraymin = y jOa . h
if (y > yraymax) then yraymax = y /17Qhex
xraytot = xraytot + x BCYTlxC'
yraytot = yraytot + y ExeD3Zj
endif 4='Xhm
endif ,dh J\cQ~
if py < 1.0 then goto 3 dKTyh:_{
if px < 1.0 then goto 2 de1cl<
if numray U>w#`Sy[
format 14.8 #<s6L"Z-
print " X Centroid = ",xraytot/numray, =5/ow!u8
print " Y Centroid = ",yraytot/numray 1fm4: xHH
print " X Middle = ",(xraymax+xraymin)/2, Q^prHn*@
print " Y Middle = ",(yraymax+yraymin)/2 |tIr?nXSW3
format .0 jj_z# 6{
print " ",numray, " out of ", numrayattempt," rays made it through." < aJ l
i
else 0uV3J
print " No rays made it through!" g5M=$y/ H
endif Yz]c'M@
f=f+1 `-W.uOZ0
if f<= nfld() then goto 1 `-fWNHs
print DXBc 7J
print "All field positions done!" nF>41 K
FORMAT 0.1 -} Zck1
print "Elapsed time ", ETIM(), " seconds." 0 b6jGa
