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············· 7:.!R^5H
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macro 正文：········· T?-K}PUcQ
! centroid.zpl " M&zW&
! "KY]2v.
! Written by Kenneth Moore 9/1/92 _xP@kN~
! Added TIMER function 4/18/96 :f R GXrn
! I =K<%.
TIMER lg jY\?
! "1ZV uI
! The delta controls how many rays will be traced. A JQ\o[ t
! delta of .025 will trace a 80 x 80 grid in the pupil. _p+q)#.W
! 23zR0z (L
delta = .025 :\1vy5 _
! DsiyN:o'+
print "This program computes the chief ray coordinates," J \I`#
print "centroid coordinates, and middle coordinates for" &G+:t)|S
print "the primary wave spot at each field position." JCITIjD7=
maxfield = maxf() k0DX|O8mXV
if maxfield == 0 then maxfield = 1 ".fnx 8v,
n = nsur() &gvX<X4e
f = 1 C2J@] &
label 1 DJ NM =v
hx = fldx(f)/maxfield r*ry8QA
hy = fldy(f)/maxfield .lppT)P
raytrace hx,hy,0,0 Fw"x4w
format 10.4 LS1}j WU!
print VDv>I 2%
print " X Field = ", fldx(f), !=+ hU/e
print " Y Field = ", fldy(f) b=Q%Jxz?
print " X Chief = ",rayx(n), ` XbV*{7
print " Y Chief = ",rayy(n) ?)+I'lW!
xraymax = -9e9 Y{m1 \s/ o
yraymax = -9e9 F BI^}^#_
xraymin = 9e9 ^eqq|(<K
yraymin = 9e9 7(5 wP(
xraytot = 0 ]<E\J+5K
yraytot = 0 t*!Q9GC_
numray = 0 Gh{vExH@5(
numrayattempt = 0 cU=EXyP%
px = -1 - delta ,tOc+3Qz$
label 2 6q^.Pg-Y
px = px + delta QEq>zuz5;
py = -1 - delta q VJC O-K|
label 3 e p \a
py = py + delta :U#4H;kk~j
rad = px*px + py*py knu>{a}
if rad <= 0.9999999 ;KW }F|
raytrace hx, hy, px, py N7qSbiRf<
numrayattempt = numrayattempt+1 V 8J!8=2
if !rayv(n) **************************** y+a]?`2
numray = numray + 1 v!? >90a
x = rayx(n) 0SWec7G
y = rayy(n) ais"xm<V
if (x < xraymin) then xraymin = x \RyW#[(
if (x > xraymax) then xraymax = x Z6r_T
if (y < yraymin) then yraymin = y >I.X]<jI
if (y > yraymax) then yraymax = y ]1n
=O"vE
xraytot = xraytot + x 2UjQ!g`
yraytot = yraytot + y Gcu?xG{
endif D7b]
;Nf\
endif IH '&W
if py < 1.0 then goto 3 .
[\S=K|/
if px < 1.0 then goto 2 "EC,#$e%ev
if numray IG~d7rh"
format 14.8 C)`y<O
print " X Centroid = ",xraytot/numray, WMd5Y`y
print " Y Centroid = ",yraytot/numray FQCz_ z
print " X Middle = ",(xraymax+xraymin)/2, D[ (A`!)
print " Y Middle = ",(yraymax+yraymin)/2 ibskce{H
format .0 'I roQ M
print " ",numray, " out of ", numrayattempt," rays made it through." 3)+}2
else h48
jKL(
print " No rays made it through!" 1-60gI1)
endif r@Tq-o
f=f+1 P mgTTI
if f<= nfld() then goto 1 x*uQBNf=
print E%6}p++
print "All field positions done!" %) 8 UyZG
FORMAT 0.1 7ClN-/4
print "Elapsed time ", ETIM(), " seconds." PF?tEw_WB
