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············· +'NiuN
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macro 正文：········· S}rW=hO
! centroid.zpl :%?\Wj5HW
! ir4uy
! Written by Kenneth Moore 9/1/92 Z ~-A*{u?
! Added TIMER function 4/18/96 96.A8o
! !:[kS1s>M
TIMER sH>Z{xjr
! H...!c1M@
! The delta controls how many rays will be traced. A +=y kt f
! delta of .025 will trace a 80 x 80 grid in the pupil. T&2aNku G
! Wkk=x&
delta = .025 U 6y
;V
! B(GcPDj(K
print "This program computes the chief ray coordinates," # Z*nc0C
print "centroid coordinates, and middle coordinates for" A@wRP8<GKj
print "the primary wave spot at each field position." %0PZZl5b
maxfield = maxf() $cLtAo^W
if maxfield == 0 then maxfield = 1 'ErtiD
n = nsur() qR~s& SC#
f = 1 K%: :
label 1 " Iy @PR?>
hx = fldx(f)/maxfield $h Is ab_
hy = fldy(f)/maxfield }@pe `AF^
raytrace hx,hy,0,0 G B+U>nf
format 10.4 XB &-k<C
print r"a4 ;&mf
print " X Field = ", fldx(f), 2
AZ[gr@c
print " Y Field = ", fldy(f) Xf.w( -
print " X Chief = ",rayx(n), 5@+8*Fdk
print " Y Chief = ",rayy(n) 5Dy800.B2
xraymax = -9e9 /:a~;i
yraymax = -9e9 sa~.qmqu
xraymin = 9e9 >s E5zj|V
yraymin = 9e9 Aa5IccR
xraytot = 0 /hue]ZaQq
yraytot = 0 %$
^yot
numray = 0 lA39$oJ
numrayattempt = 0 8KpG0DC
px = -1 - delta |5}{4k~9J
label 2 2#nn}HEOC
px = px + delta /X i:k
py = -1 - delta jZ < *XX
label 3 {PHxm
py = py + delta C!SB5G>OH
rad = px*px + py*py 7
:s6W%W1*
if rad <= 0.9999999 P
7 [p$Z
raytrace hx, hy, px, py BCya5!uy
numrayattempt = numrayattempt+1 5Mb1 ==/R
if !rayv(n) **************************** %Gn(b 1X
numray = numray + 1
3\FiQ/?
x = rayx(n) ?-O(EY1E
y = rayy(n) bwo" s[w
if (x < xraymin) then xraymin = x M i\f?
if (x > xraymax) then xraymax = x /^ v4[]
if (y < yraymin) then yraymin = y &X^~%\F:2
if (y > yraymax) then yraymax = y t=~5 I >
xraytot = xraytot + x ]"^GRFK5
yraytot = yraytot + y r]'AdJFt
endif J$PE7*NU
endif ;w?zmj<Dm
if py < 1.0 then goto 3 hHoc7
if px < 1.0 then goto 2 WKp Hb:H
if numray $g#j,
format 14.8 SSi}1
print " X Centroid = ",xraytot/numray, +v&+8S`+
print " Y Centroid = ",yraytot/numray '< m[
print " X Middle = ",(xraymax+xraymin)/2, SZ c6=^$
print " Y Middle = ",(yraymax+yraymin)/2 #hzs,tvvD
format .0 P/t$xqAL
print " ",numray, " out of ", numrayattempt," rays made it through." qO>BF/)a(
else W"|89\p}
print " No rays made it through!" < 4*7HY[
endif hGF:D#jyT
f=f+1 Lm'Ony^F
if f<= nfld() then goto 1 #(CI /7
-
print dvsOJj/b
print "All field positions done!" 1S\q\kz->D
FORMAT 0.1 GVY_u@6
print "Elapsed time ", ETIM(), " seconds." <s-_ieW'
