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············· E )>6}0P
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macro 正文：········· VYlg+MlT0
! centroid.zpl Rp9uUJ 6o
! I,t 0X)
! Written by Kenneth Moore 9/1/92 T>W(Caelq
! Added TIMER function 4/18/96 -OVJ ]
! va#~ \%`
TIMER 4[rD|
! +O9l@X$l=
! The delta controls how many rays will be traced. A Mt-y{* 6!k
! delta of .025 will trace a 80 x 80 grid in the pupil. ]3 Mm"7`
! = `70]%
delta = .025 *>Om3[D
!
31J7# S2
print "This program computes the chief ray coordinates," M.H4 ud
print "centroid coordinates, and middle coordinates for" 6n;ew l}
print "the primary wave spot at each field position." ou96
P<B
maxfield = maxf() 4}#*M2wb
if maxfield == 0 then maxfield = 1 Lf7iOW9U3
n = nsur() wBCnP
f = 1 lz l4pnj
label 1 4!iS"QH?;^
hx = fldx(f)/maxfield :n>:*e@w%
hy = fldy(f)/maxfield b%T-nY2
raytrace hx,hy,0,0 }RW4
format 10.4 'Y>!xm
print b]CJf8'u
print " X Field = ", fldx(f), P,tN;c
print " Y Field = ", fldy(f) 5C{X$7u
print " X Chief = ",rayx(n), LF{ qI?LG
print " Y Chief = ",rayy(n) Dt.OZ4w5
xraymax = -9e9 bNIT 1'v
yraymax = -9e9 H+_oK
]/
xraymin = 9e9 [NaU \;w\
yraymin = 9e9 }{E//o:Ta
xraytot = 0 zXZy:SD
yraytot = 0 )mwY]
!
numray = 0 rA{h/T"
numrayattempt = 0 kZF\V7k
px = -1 - delta u%v^(9z
label 2 v }P~g
px = px + delta
xAz gQ
py = -1 - delta ^<s X^V+{
label 3 ,gD30Pylz
py = py + delta cF,u)+2b|6
rad = px*px + py*py [o|]>(tk
if rad <= 0.9999999 Ya\G/R
raytrace hx, hy, px, py t41\nTZr
numrayattempt = numrayattempt+1 _H:SoJ'
if !rayv(n) **************************** 5 nf|CQH6?
numray = numray + 1 C|z`h Np
x = rayx(n) c.jnPV f :
y = rayy(n) F fl`;M
if (x < xraymin) then xraymin = x C8NbxP
if (x > xraymax) then xraymax = x aU#8W.~
if (y < yraymin) then yraymin = y Ig$5Ui
if (y > yraymax) then yraymax = y V O++(G)
xraytot = xraytot + x %;^6W7
yraytot = yraytot + y 1K wl_jf
endif zA( 2+e 7
endif F
\} Kh3
if py < 1.0 then goto 3 <8-I:o]mF
if px < 1.0 then goto 2 q@Q|oB0W$)
if numray MV=.(Zs
format 14.8 [-Q"A
6!Zd
print " X Centroid = ",xraytot/numray, r@s, cCK9?
print " Y Centroid = ",yraytot/numray MZ0uc2L=
print " X Middle = ",(xraymax+xraymin)/2, <|.S~HLTQ
print " Y Middle = ",(yraymax+yraymin)/2 uiHlaMf
format .0 ?9=yo5M}
print " ",numray, " out of ", numrayattempt," rays made it through." hRc\&+#/
else rKi)VVkx_
print " No rays made it through!" Xb6@;G"
endif
{n.g7S~
f=f+1 }yB @?
if f<= nfld() then goto 1 zU1rjhv+
print G)b ]uX
print "All field positions done!" S5bk<8aPP
FORMAT 0.1 ~49+$.2
print "Elapsed time ", ETIM(), " seconds." V @d:n
