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············· @ T~#Gwv
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! centroid.zpl %Cbc@=k
! XKPt[$ab
! Written by Kenneth Moore 9/1/92 Y[8co<p
! Added TIMER function 4/18/96 krnk%ug
! @*`UOgP7
TIMER z&HN>7
! tU~ H@'
! The delta controls how many rays will be traced. A W0?Y%Da(4m
! delta of .025 will trace a 80 x 80 grid in the pupil. cI4qgV
! RT+30Q ?
delta = .025 f6_|dvY3
! lt(-,md
print "This program computes the chief ray coordinates," 4`5Q t=}
print "centroid coordinates, and middle coordinates for" Xy8ie:D
print "the primary wave spot at each field position." Vwh&^{Eh
maxfield = maxf() 0|+hm^'_
if maxfield == 0 then maxfield = 1 {pJ@I=q
n = nsur() - 9<yB
f = 1 O
|I:[S},
label 1 L4A/7Ep
hx = fldx(f)/maxfield ,DUQto
hy = fldy(f)/maxfield yW=hnV{
raytrace hx,hy,0,0 h'q0eqYeu)
format 10.4 ws(}K+y_
print D!E 9@*Lf
print " X Field = ", fldx(f), 'FA)LuAok
print " Y Field = ", fldy(f) U@t?jTMBkO
print " X Chief = ",rayx(n), g #<?OFl
print " Y Chief = ",rayy(n) >D^7v(&
xraymax = -9e9 [,?A$Z*Z|
yraymax = -9e9 i^V4N4ux]
xraymin = 9e9 hs#s $})}Z
yraymin = 9e9 LVcy.kU@]
xraytot = 0 $8 ww]}K
yraytot = 0 iqKfMoy5
numray = 0 cW|Zgz8vv
numrayattempt = 0
g8qAJ4
px = -1 - delta w0%ex#lkm
label 2 \U =>
px = px + delta 8_,wOkk_B
py = -1 - delta ]( 6vG $\
label 3 X1PlW8pd
py = py + delta &#\7w85$
rad = px*px + py*py `[u> NEb
if rad <= 0.9999999 MKYE]D;
raytrace hx, hy, px, py D@ 1^:'$V
numrayattempt = numrayattempt+1 bzL;)H4Eo
if !rayv(n) **************************** V`&*%xgGR
numray = numray + 1 * wZV*)}
x = rayx(n) u2m{Yx |
y = rayy(n) 2
]6u
B e
if (x < xraymin) then xraymin = x `,]PM) iC
if (x > xraymax) then xraymax = x G/;aZ
if (y < yraymin) then yraymin = y Z42 Suy
if (y > yraymax) then yraymax = y 0_Z|y/I.
xraytot = xraytot + x :qKY@-t7H
yraytot = yraytot + y ZaV66Y>
endif [? o v J
endif gK_[3FiKt
if py < 1.0 then goto 3 FNRE _83
if px < 1.0 then goto 2 y/*Tvb #TJ
if numray HQj4h]O#
format 14.8 l{x#*~g a
print " X Centroid = ",xraytot/numray, v8(u9V%?6
print " Y Centroid = ",yraytot/numray }(I DPaJ
print " X Middle = ",(xraymax+xraymin)/2, z`{zqP:
print " Y Middle = ",(yraymax+yraymin)/2 wq`Kyhk
format .0 exU=!3Ji
print " ",numray, " out of ", numrayattempt," rays made it through." (w
else tl#s:
print " No rays made it through!" [4yQbqe;
endif Yzx0 [_'u
f=f+1 hf5SpwxLiH
if f<= nfld() then goto 1 PS; *N 8
print k"-#ox!
print "All field positions done!" } ZGpd9D
FORMAT 0.1 A{T@O5ucj
print "Elapsed time ", ETIM(), " seconds." &!fcL Jd
