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············· v;2CU
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macro 正文：········· 5>_5]t
{
! centroid.zpl J7$_VP
! 4 [2_,9}
! Written by Kenneth Moore 9/1/92 X@wm1{!
! Added TIMER function 4/18/96 a \5FAkI
! vZA v_8S)
TIMER &X>7n~@0
! (/ {aJV
! The delta controls how many rays will be traced. A 6^F '|Wh
! delta of .025 will trace a 80 x 80 grid in the pupil. \=2m7v#E
! 9<1F[SS<s9
delta = .025 wa09$4>_w
! %&blJ6b
print "This program computes the chief ray coordinates," v ! hY
print "centroid coordinates, and middle coordinates for" kI\tqNJ i
print "the primary wave spot at each field position." x~ DLW 1I
maxfield = maxf() !u|Tu4G^
if maxfield == 0 then maxfield = 1 }F=^O[
n = nsur() 6z,Dyy]tl
f = 1 y-aRXF=W
label 1 ?A*Kg;IU
hx = fldx(f)/maxfield oOU1{[
hy = fldy(f)/maxfield J ++v@4Z
raytrace hx,hy,0,0 ^rAa"p 9
format 10.4 Ty4S~ClO#'
print _F(P*[[&
print " X Field = ", fldx(f), c-1 q2y
print " Y Field = ", fldy(f) #?O &
print " X Chief = ",rayx(n), NTs7 KSgZ
print " Y Chief = ",rayy(n) ]7 GlO9
xraymax = -9e9 eny/
fm
yraymax = -9e9 @_ygn Nn4R
xraymin = 9e9 n{5NNV6
yraymin = 9e9 )r6E W`$
xraytot = 0 ~f>2U]F>5
yraytot = 0 s|yVAt|=
numray = 0 wTq{ sW&
numrayattempt = 0 8F5|EpB9M
px = -1 - delta 47B y`Jh71
label 2 s' HD{W`
px = px + delta
m]Y;c_DO:
py = -1 - delta ?;ukvD
label 3 k# >hg#G
py = py + delta zd %rs~*c
rad = px*px + py*py #(;< -7M2
if rad <= 0.9999999 dbdM "z 4
raytrace hx, hy, px, py } (FPV*mS
numrayattempt = numrayattempt+1 k-LEI}h
if !rayv(n) **************************** ~W0(1#
i
numray = numray + 1 aE VsU|
x = rayx(n) ,T{<vRj7_
y = rayy(n) wVl+]zB
if (x < xraymin) then xraymin = x b 0<o
if (x > xraymax) then xraymax = x W#w.h33)#6
if (y < yraymin) then yraymin = y F3U` ueP
if (y > yraymax) then yraymax = y c @(&[/q!
xraytot = xraytot + x K ! z`
yraytot = yraytot + y ^ -)txC5{T
endif %8.J =B
endif ]2SF9 p_
if py < 1.0 then goto 3 AG6K
da J
if px < 1.0 then goto 2 {d 3<W N
if numray )Di \_/G
format 14.8 I s57F4[}
print " X Centroid = ",xraytot/numray, PgM (l3x
print " Y Centroid = ",yraytot/numray k\r(=cex6
print " X Middle = ",(xraymax+xraymin)/2, !vD{Df>
print " Y Middle = ",(yraymax+yraymin)/2 :\
QUs}
format .0 H U+ I
print " ",numray, " out of ", numrayattempt," rays made it through." _RkuBOv@e
else Z=S>0|`R
print " No rays made it through!" s 0u{d qP
endif Y'VBz{brf
f=f+1 ^]C&tG0 !
if f<= nfld() then goto 1 ->{d`-}m'
print xG2F! WeF
print "All field positions done!" kJ:F *34e=
FORMAT 0.1 ksR1k vTm
print "Elapsed time ", ETIM(), " seconds." bO5k6i
