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············· <pIel
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macro 正文：········· 2ut)m\)/)
! centroid.zpl `b*x}HP $
! pF<K hE*V
! Written by Kenneth Moore 9/1/92 I' 'X\/|
! Added TIMER function 4/18/96 5b$QXO
! q _86nvB<
TIMER ;U[W $w[
! %(A@ =0r#
! The delta controls how many rays will be traced. A Pj ^O8
! delta of .025 will trace a 80 x 80 grid in the pupil. <Gj]XAoe%
! [vn"r^P
delta = .025 ~u-_DOA
! #3}!Q0
print "This program computes the chief ray coordinates," ~t Zy-1
print "centroid coordinates, and middle coordinates for" v9MliD'
print "the primary wave spot at each field position." }iRRf_
maxfield = maxf() `N;O6
wZ
if maxfield == 0 then maxfield = 1 6QePrf
n = nsur() 4vyJ<b
f = 1 q85 4k+C
label 1 yC\!6pg
hx = fldx(f)/maxfield 2Q)pT$
hy = fldy(f)/maxfield UL0n>Wa5
raytrace hx,hy,0,0 1xj w=
format 10.4 1EQLsg`d^
print p+} eP|N
print " X Field = ", fldx(f), 6yK "g 7
print " Y Field = ", fldy(f) i?n#ge
print " X Chief = ",rayx(n), O2S{*D={
print " Y Chief = ",rayy(n) paZcTC
xraymax = -9e9 !laOiH
yraymax = -9e9 plgiQr #
xraymin = 9e9 FF~VV< a
yraymin = 9e9
,+!|~1
xraytot = 0 I>:.fHvUC
yraytot = 0 PBb'`PV
numray = 0 rnQ 9uNAu
numrayattempt = 0 ,:pKNWY)Q
px = -1 - delta g-<[* nF
label 2 3Gt@Fo=
px = px + delta ;aImz*1%t
py = -1 - delta
u"-."_
label 3 9d8 U@=
py = py + delta (d# W 3
rad = px*px + py*py / vAA]n8
if rad <= 0.9999999 T1M>N
raytrace hx, hy, px, py mhMRY9 ahB
numrayattempt = numrayattempt+1 15Im wQ
if !rayv(n) **************************** $j&2bO 5M
numray = numray + 1 T#ehJq 5
x = rayx(n) iCdq-r/r!6
y = rayy(n) Kgb<uXk
if (x < xraymin) then xraymin = x }0 =gP?.kE
if (x > xraymax) then xraymax = x G$1gk ^G's
if (y < yraymin) then yraymin = y qhOV>j,d
if (y > yraymax) then yraymax = y vjd;*ORB
xraytot = xraytot + x #R# |hw
yraytot = yraytot + y m`#UV-$J
endif UB7C,:"
endif jN{+$ @cI
if py < 1.0 then goto 3 c:,K{ZR
if px < 1.0 then goto 2 w
C-x'
if numray Y 016Xg5
format 14.8 _SqUPTb"u
print " X Centroid = ",xraytot/numray, I ka
V g L
print " Y Centroid = ",yraytot/numray 0 2q*z>:^
print " X Middle = ",(xraymax+xraymin)/2, Gt;U9 k|i
print " Y Middle = ",(yraymax+yraymin)/2 8g6G},Y0
format .0 ;c |G
print " ",numray, " out of ", numrayattempt," rays made it through." v f?m-wh
else yOE N*^6
print " No rays made it through!" M][Zu[\*
endif H#B97IGT
f=f+1 V#\ iO
if f<= nfld() then goto 1 7jY W3
print 3/*<i
print "All field positions done!" @^^,VgW[
FORMAT 0.1 zN>tSdNkI-
print "Elapsed time ", ETIM(), " seconds." *
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