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············· sf,9Ym
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macro 正文：········· xeSv+I-b
! centroid.zpl TnLblk X
! M(.] ?+
! Written by Kenneth Moore 9/1/92 eB5<N?;s
! Added TIMER function 4/18/96 yHxi^D]
! QD^"cPC)mM
TIMER +||[H)qym
! ]Czq
A c
! The delta controls how many rays will be traced. A e:(~=9}Li
! delta of .025 will trace a 80 x 80 grid in the pupil. *Edr\P
! K@@Jt
delta = .025 vW03nt86
! i; 3qMBVY~
print "This program computes the chief ray coordinates," 6gD|QC~;
print "centroid coordinates, and middle coordinates for" &$. x1$%
print "the primary wave spot at each field position." Ffr6P
}I
maxfield = maxf() @v=A )L
if maxfield == 0 then maxfield = 1 7.(vog"I)
n = nsur() F >rf
cW2
f = 1 n4G53+y'
label 1 \?NT,t=3J
hx = fldx(f)/maxfield l( ?Yx
hy = fldy(f)/maxfield YbE1yOJ&m
raytrace hx,hy,0,0 `*Jw[Bnh8
format 10.4 E']Gh
print %M;{+90p>t
print " X Field = ", fldx(f), R, ddH[3
print " Y Field = ", fldy(f) W'<cAg?
print " X Chief = ",rayx(n), 0:k ~ lz
print " Y Chief = ",rayy(n) }NETiJ"6
xraymax = -9e9 fSzX /r
yraymax = -9e9 O :(%m
xraymin = 9e9 z, /y2H2
yraymin = 9e9 dIDs~
xraytot = 0 eO =! (
yraytot = 0 .@;,'Xw1~
numray = 0 6882:, q
numrayattempt = 0 vh6#Bc)i%w
px = -1 - delta T#w *5Q f
label 2 ?u8 vK<2h
px = px + delta /pDI
\]
py = -1 - delta IXmO1*o@
label 3 X5eTj
py = py + delta /yj-^u\ R
rad = px*px + py*py $; t#pN/`
if rad <= 0.9999999 N0G-/
raytrace hx, hy, px, py i*%2 e)
numrayattempt = numrayattempt+1 YP vg(T
if !rayv(n) ****************************
LYX\#
numray = numray + 1 G.c@4Wz+
x = rayx(n) bNO/C D 4
y = rayy(n) [/I 1%6;
if (x < xraymin) then xraymin = x Gg9NG`e6I
if (x > xraymax) then xraymax = x ^, KN@
if (y < yraymin) then yraymin = y Ig6>+M w
if (y > yraymax) then yraymax = y jZ>'q/
xraytot = xraytot + x J#y?^Qm$)<
yraytot = yraytot + y ^NTOZ0x~#
endif a4M`Bk;mb
endif VClw!bm
if py < 1.0 then goto 3 GQ8r5V4:
if px < 1.0 then goto 2 .o5r;KD
if numray 0\y@etb:mf
format 14.8 ywV8s|o
print " X Centroid = ",xraytot/numray, g$ *V A} s
print " Y Centroid = ",yraytot/numray s(I7}oRWsL
print " X Middle = ",(xraymax+xraymin)/2, (FAd'$lhX}
print " Y Middle = ",(yraymax+yraymin)/2 tEl4 !v A
format .0 ?$^qcpJCp
print " ",numray, " out of ", numrayattempt," rays made it through." ' )w*c
else mckrR $>
print " No rays made it through!" hOx">yki
endif t9()?6H\
f=f+1 s:/.:e_PU
if f<= nfld() then goto 1 R` :NUGR
print X+K$y:UZ
print "All field positions done!" 9{ bzxM
FORMAT 0.1 HH|&$C|64
print "Elapsed time ", ETIM(), " seconds." tnmuCz
