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············· 452kE@=49
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macro 正文：········· # euG$(
! centroid.zpl /X.zt
`
! SDO:Gma
! Written by Kenneth Moore 9/1/92 $&Vba@v
! Added TIMER function 4/18/96 <i</pA
! 6`Tx meIP
TIMER cYK:Y!|`F
! L<@* 6QH
! The delta controls how many rays will be traced. A CO@G%1#
! delta of .025 will trace a 80 x 80 grid in the pupil. SR?mSpq5
! O[t?*m1/
delta = .025 E-.X%xfO
! ~nU9j"$
print "This program computes the chief ray coordinates," F<g&t|@
print "centroid coordinates, and middle coordinates for" rP7
QW)NF
print "the primary wave spot at each field position." VtI`Qc jc
maxfield = maxf() InbB2l4G
if maxfield == 0 then maxfield = 1 zu{K"7Bx
n = nsur() "/e)v{
f = 1 4bA^Gq
label 1 (JlPe)Q5
hx = fldx(f)/maxfield ~:7y!=8#
hy = fldy(f)/maxfield "NLuAB. P
raytrace hx,hy,0,0 EG t
50
format 10.4 L}rZ1wV 6
print HP]5"ziA
print " X Field = ", fldx(f), CYy=f -
print " Y Field = ", fldy(f) =YgH- {
print " X Chief = ",rayx(n), N s0,Z#Z+
print " Y Chief = ",rayy(n) : Q("
xraymax = -9e9 mP
}<{oh`x
yraymax = -9e9 mN]WjfII
xraymin = 9e9 #W)m({ }
yraymin = 9e9 B;(U ?gC
xraytot = 0 M{G}-QK_ .
yraytot = 0 T,9q~*"
numray = 0 f^1J_}cL
numrayattempt = 0 aq_K,li #w
px = -1 - delta {guOAT- w
label 2 e`g+Jf`AT
px = px + delta r+C4<-dT
py = -1 - delta )m;*d7l~p
label 3 W..*!UGl
py = py + delta LEPLoF3,
rad = px*px + py*py 2 kVZlt'y
if rad <= 0.9999999 v[ML=pL
raytrace hx, hy, px, py H%Gz"
numrayattempt = numrayattempt+1 G$TO'Ciu:
if !rayv(n) **************************** rN|=cn
numray = numray + 1 o| h=M/
x = rayx(n) VBi gUK4
y = rayy(n) ^zV_ vB)n
if (x < xraymin) then xraymin = x o=7,U/{D!
if (x > xraymax) then xraymax = x hQj@D\}
if (y < yraymin) then yraymin = y D#1R$ 4M=
if (y > yraymax) then yraymax = y Y| r7gy9%
xraytot = xraytot + x 41Q 5%2
yraytot = yraytot + y R`<2 DC>h9
endif Y dO*5Gb6
endif $?W2'Xm!V
if py < 1.0 then goto 3 :5& D 6
if px < 1.0 then goto 2 ?} 8r h%
if numray i \NV<I
format 14.8 Ny7*MZ-
print " X Centroid = ",xraytot/numray, /Z?o%/bw:
print " Y Centroid = ",yraytot/numray =U*D.p*%f
print " X Middle = ",(xraymax+xraymin)/2, vc"!3x-G*
print " Y Middle = ",(yraymax+yraymin)/2 kqih`E9P7B
format .0 nQOdM#dP
print " ",numray, " out of ", numrayattempt," rays made it through." [k%hl`}
else HBe*wk Pd
print " No rays made it through!" xSD*e 0
endif $| g1 _;(G
f=f+1 9F[3B`w
if f<= nfld() then goto 1 ^wBlQmW7J
print _-({MX[3k<
print "All field positions done!" >R] M:Wx
FORMAT 0.1 ULz<P
print "Elapsed time ", ETIM(), " seconds." %k4Qx5`?d
