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············· VJviX[V?4
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macro 正文：········· | >X5@
! centroid.zpl $2I^ ;5 r[
! eLPWoQXt
! Written by Kenneth Moore 9/1/92 qtlXDgppO
! Added TIMER function 4/18/96 \JjZ _R
! S<fSoU+RJ
TIMER +| |y/}1
! QfPsF@+-`7
! The delta controls how many rays will be traced. A Esx"nex
! delta of .025 will trace a 80 x 80 grid in the pupil. r I)Y
W0
! )zn`qaHK@e
delta = .025 m/TjXA8_
! Fq>tl 64A
print "This program computes the chief ray coordinates," mcO/V-\5'
print "centroid coordinates, and middle coordinates for" &/wd_;d^A
print "the primary wave spot at each field position." Lh`B5
maxfield = maxf() V&e 9?5@
if maxfield == 0 then maxfield = 1 EH1GdlhA
n = nsur() PiQs Vk
f = 1 \; #T.@c5
label 1 wN}@%D-[v
hx = fldx(f)/maxfield % )'#
d
hy = fldy(f)/maxfield H 5\k`7R
raytrace hx,hy,0,0 f)'m pp^
format 10.4 ' LC-/_g
print my1FW,3
print " X Field = ", fldx(f), d-k`DJ!
print " Y Field = ", fldy(f) TjDDvXY
print " X Chief = ",rayx(n), g_8A1lt
print " Y Chief = ",rayy(n) 7# !RX3
xraymax = -9e9
9$<1<
yraymax = -9e9 ) oypl+y
xraymin = 9e9 ut/3?E1 Z
yraymin = 9e9 kn 5X:@{
xraytot = 0 )O}q{4 ,}
yraytot = 0 D_s0)|j$cy
numray = 0 "|k 4<"]
numrayattempt = 0 {~*^jS']5
px = -1 - delta 'aV/\a:*
label 2 2?c##Izn
px = px + delta r3OR7f[
py = -1 - delta )/87<Y;o
label 3 U=ek_FO
py = py + delta 'DeI]IeP
rad = px*px + py*py 2wX4e0cOI4
if rad <= 0.9999999 r3; @
raytrace hx, hy, px, py F x 4s)(
numrayattempt = numrayattempt+1 Wxeg(L}E
if !rayv(n) **************************** ;URvZ! {/Z
numray = numray + 1 >( .GIR
x = rayx(n) bfV&z+Rv-5
y = rayy(n) IoAG !c S
if (x < xraymin) then xraymin = x NpPuh9e{
if (x > xraymax) then xraymax = x S&JsDPzSd
if (y < yraymin) then yraymin = y v w
if (y > yraymax) then yraymax = y XK +"
x!
xraytot = xraytot + x _A/ q bm
yraytot = yraytot + y 5|<j Pc
endif y w@kh^L
endif K`vc&u f
if py < 1.0 then goto 3 ~vPR9\e
if px < 1.0 then goto 2 s;!_'1pi@
if numray -Z(='A
format 14.8 q}xYme4
print " X Centroid = ",xraytot/numray, zhdS6Gk+
print " Y Centroid = ",yraytot/numray ye^*Z>|
print " X Middle = ",(xraymax+xraymin)/2, T1~G {@"
print " Y Middle = ",(yraymax+yraymin)/2 uyqu n@q
format .0 Gv(?u
print " ",numray, " out of ", numrayattempt," rays made it through." {9
.sW/
else nDU=B.?E{O
print " No rays made it through!" U0 J_
3W
endif !E@4^A80\W
f=f+1 OaH1xZNOC`
if f<= nfld() then goto 1 ZZ*+Tl\
s
print m+!T
$$W
print "All field positions done!" 0d|DIT#>?
FORMAT 0.1 BB9+ d"Sq
print "Elapsed time ", ETIM(), " seconds." G4;5$YGG
