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············· lZuH:AH
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macro 正文：········· c#>(8#'.U
! centroid.zpl zj(V\ y&H
! % 1$#fxR
! Written by Kenneth Moore 9/1/92 J8i,[,KcE
! Added TIMER function 4/18/96 Sb> &m
! %1:caa@_p
TIMER 3h:y[Vm#9y
! !><asaB]1
! The delta controls how many rays will be traced. A A*wf:
mW0c
! delta of .025 will trace a 80 x 80 grid in the pupil. Mn/@?K?y
! O$}.b=N9
delta = .025 G<Eb~]. 1'
! atF#0*e>
print "This program computes the chief ray coordinates," 3fp&iz
print "centroid coordinates, and middle coordinates for" } c k <R
print "the primary wave spot at each field position." aZCq{7Xs
maxfield = maxf() ! xG*W6IT
if maxfield == 0 then maxfield = 1 (wM` LE(Ks
n = nsur() KyfH8Na?
f = 1 W>i"p~!
label 1 -YAtM-VL
hx = fldx(f)/maxfield 5QLK
hy = fldy(f)/maxfield gK9d `5
raytrace hx,hy,0,0 5K 2K'ZkI
format 10.4 tV`=o$`
print ^a_a%ws
print " X Field = ", fldx(f), *; ]}`r
print " Y Field = ", fldy(f) L/r_Mt N
print " X Chief = ",rayx(n), fO&`A:JY
print " Y Chief = ",rayy(n) DrkTM<
xraymax = -9e9 jT =|!,Pn
yraymax = -9e9 N{S ) b
xraymin = 9e9 GP K\nz}
yraymin = 9e9 r+8D|stS
xraytot = 0 F{!pii5O9
yraytot = 0 8>,w8(Nt
numray = 0 5N;'CAk
numrayattempt = 0 a
\1QnCy
px = -1 - delta ;_)~h$1%=
label 2 xBA"w:<
px = px + delta DkEv1]6JI_
py = -1 - delta U`i5B;k}-
label 3 6<<"9mxK
py = py + delta 5Ec VW|(
rad = px*px + py*py j *G: 8Lg
if rad <= 0.9999999 H{vKk
raytrace hx, hy, px, py $VvgzjrH
numrayattempt = numrayattempt+1 Vv}R
S@4U
if !rayv(n) **************************** ^ls@Gr7`P
numray = numray + 1 `.@sux!lu
x = rayx(n) X!ruQem /
y = rayy(n) ;_e 9v,
if (x < xraymin) then xraymin = x 5M~{MdF|.
if (x > xraymax) then xraymax = x @m9pb+=v
if (y < yraymin) then yraymin = y W&*&O,c
if (y > yraymax) then yraymax = y 8YQuq.(>a
xraytot = xraytot + x B5;%R0 1A
yraytot = yraytot + y ,UMr_ e{ |
endif w3(|A> s3
endif iVI&
if py < 1.0 then goto 3 oCa Ymi=:
if px < 1.0 then goto 2 p)yP_P
if numray gmR c4 o
format 14.8 3!{imQ T
print " X Centroid = ",xraytot/numray, phuiLW{&
print " Y Centroid = ",yraytot/numray 6M*z` B{hV
print " X Middle = ",(xraymax+xraymin)/2, 6iyl8uL0J
print " Y Middle = ",(yraymax+yraymin)/2 -[L\:'Gp5
format .0 @%Ld\8vdfJ
print " ",numray, " out of ", numrayattempt," rays made it through." iY,C0=n5Y
else qY#*LqV
print " No rays made it through!" qjP~F
endif rF-SvSj}
f=f+1 0\tac/
if f<= nfld() then goto 1 \5r^D|Rp}
print 5-|!mSd
print "All field positions done!" ?ZlXh51
FORMAT 0.1 [Y
.8C$0
print "Elapsed time ", ETIM(), " seconds." )=[\Yf K
