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············· bHx 09F]
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macro 正文：········· Ni]V)wGE;
! centroid.zpl r(=
! 98 dl -?
! Written by Kenneth Moore 9/1/92 /'KCW_Q
! Added TIMER function 4/18/96 z|,YO6(L
! z8 v] Kt &
TIMER g \]2?vY.
! hKa<9>MI`
! The delta controls how many rays will be traced. A G Y? ?q8
! delta of .025 will trace a 80 x 80 grid in the pupil. .W4P/P w'
! \*] l'> x1
delta = .025 kpT>xS^6<
! 88%7
print "This program computes the chief ray coordinates," 45g:q
print "centroid coordinates, and middle coordinates for" 7K"{}:
print "the primary wave spot at each field position." @~t^zI1
maxfield = maxf() VRe7 Q0
if maxfield == 0 then maxfield = 1 (9 g L
n = nsur() 2% ],0,o
f = 1 9g %1^$R
label 1 aMa ICM
hx = fldx(f)/maxfield ]B8`b
hy = fldy(f)/maxfield 3<Qe'd
^
raytrace hx,hy,0,0
AT@m_d
format 10.4 l| WdJn
o
print i_/A,5TF
print " X Field = ", fldx(f), wm1`<r^M.
print " Y Field = ", fldy(f) Y~ku ?/"6T
print " X Chief = ",rayx(n), !e>+ O^
print " Y Chief = ",rayy(n) M8_f{|!&
xraymax = -9e9 {J#SpG 7
yraymax = -9e9 T 'VZ=l[
xraymin = 9e9 Kkfz a
yraymin = 9e9 dJvT2s.t[
xraytot = 0 \#)|6w-
yraytot = 0 5" ~F# vt
numray = 0 B{}<DP.
numrayattempt = 0 H ?]%b!gQG
px = -1 - delta D\13fjjHlu
label 2 q!L@9&KAQ
px = px + delta ]iI2
py = -1 - delta m5c=h
label 3 R1sWhB99
py = py + delta V47z;oMXct
rad = px*px + py*py xxnvz
if rad <= 0.9999999 4F[4H\>'
raytrace hx, hy, px, py zWs ("L(#s
numrayattempt = numrayattempt+1 ~&}e8 ah2
if !rayv(n) **************************** Ms4~P6;%
numray = numray + 1 ]1Wh3C
x = rayx(n) #)3luf3G
y = rayy(n) k7L-J
if (x < xraymin) then xraymin = x #uRj9|E7
if (x > xraymax) then xraymax = x ( 5rfeSA^
if (y < yraymin) then yraymin = y G 6r2
"
if (y > yraymax) then yraymax = y t,bQ@x{zVC
xraytot = xraytot + x H18.)yHX
yraytot = yraytot + y LE@<)}Au^
endif 1 eP`
endif K*!qt(D&
if py < 1.0 then goto 3 b((> ?=hh
if px < 1.0 then goto 2 I$0O 4
if numray nrEG4X9
format 14.8 ?)-#\z=6G
print " X Centroid = ",xraytot/numray, ]z77hcjB1
print " Y Centroid = ",yraytot/numray ID_#a9N
print " X Middle = ",(xraymax+xraymin)/2, =)c^ik%F&
print " Y Middle = ",(yraymax+yraymin)/2 twWzS
4;
format .0 ^-^ii 3G`
print " ",numray, " out of ", numrayattempt," rays made it through." z=FOymv C
else -P6Z[ V%
print " No rays made it through!" rv?4S`Z,x$
endif 969Y[XQ
f=f+1 1
ORA6
if f<= nfld() then goto 1 ;% <[*T:*'
print oKMr Pr[`
print "All field positions done!" 6*&$ha}X
FORMAT 0.1 u7/]Go44
print "Elapsed time ", ETIM(), " seconds." ,J&\)
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