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············· mufi>}
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macro 正文：·········
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! centroid.zpl Q{T6t;eH
! %bgjJ`
! Written by Kenneth Moore 9/1/92 hJ\IE? +
! Added TIMER function 4/18/96 IL` X}=L_
! lxx)l(&
TIMER Y
m=ihQ|
! -U~]Bugvh
! The delta controls how many rays will be traced. A htX;"R&
! delta of .025 will trace a 80 x 80 grid in the pupil. \7rF fN3
! c""*Ng* T
delta = .025 A(G%9'T
! b <>GF-`w
print "This program computes the chief ray coordinates," `&2~\o/
print "centroid coordinates, and middle coordinates for" 'g.9
g oQ
print "the primary wave spot at each field position." 5[}3j1
maxfield = maxf() q&OF? z7H
if maxfield == 0 then maxfield = 1 u :AKp<'
n = nsur() NC'+-P'y
f = 1 b9Jah
label 1 iq2)oC_
hx = fldx(f)/maxfield <q j NX-|
hy = fldy(f)/maxfield XG F jqZr`
raytrace hx,hy,0,0 L[o;@+32
format 10.4 $Wt0e 4YSu
print \^a(B{
print " X Field = ", fldx(f), 2(M^8Bl
print " Y Field = ", fldy(f) 5SPhdpIg@[
print " X Chief = ",rayx(n), 3<.]+ukm
print " Y Chief = ",rayy(n) n+ 1!/H=d
xraymax = -9e9 IlQNo 1
yraymax = -9e9 X^;[X~g
xraymin = 9e9 ^'>kZ^w0
yraymin = 9e9 "z Fv? ay
xraytot = 0 kHLp a/A
yraytot = 0 ,p2BB"^_i
numray = 0 ; ^ +#
numrayattempt = 0 YuufgPE*H
px = -1 - delta !-% fCg(B
label 2 ETU.v*HT]
px = px + delta x?s5vx AKf
py = -1 - delta k\->uSU9
label 3 4 Ufx,]
py = py + delta =P'33)
\ )
rad = px*px + py*py |^ !#x Tj
if rad <= 0.9999999 fXfBDB
raytrace hx, hy, px, py M]9oSi
numrayattempt = numrayattempt+1 s}"5uDfn1F
if !rayv(n) **************************** Pf,S`U w;
numray = numray + 1 5'iJN$7
x = rayx(n) wkNf[>jX?
y = rayy(n) i
T* !3
if (x < xraymin) then xraymin = x =2+';Xk \
if (x > xraymax) then xraymax = x kkWqP20q
if (y < yraymin) then yraymin = y xW|^2k
if (y > yraymax) then yraymax = y ~{69&T}9
xraytot = xraytot + x "s-e)svB
yraytot = yraytot + y >6 p
<n
endif Qa*?iD
endif MV8Lk/zd?A
if py < 1.0 then goto 3 ;/tZ sE{
if px < 1.0 then goto 2 "V/|RC
if numray F.;G6
format 14.8 lIR0jgP@z
print " X Centroid = ",xraytot/numray, Jt-s6-2
print " Y Centroid = ",yraytot/numray YA(_ *h
print " X Middle = ",(xraymax+xraymin)/2, VjZ_L_U}
print " Y Middle = ",(yraymax+yraymin)/2 |Gm V1hN
format .0 !r=^aa(\
print " ",numray, " out of ", numrayattempt," rays made it through." >)5=6{x
else Eu%19s; u
print " No rays made it through!" do3 BI4Q
endif ZH PsGH A
f=f+1 &!)F0PN:u
if f<= nfld() then goto 1 #Bo / 1G=
print Zmx[u_NG
print "All field positions done!" Ub1? dk
FORMAT 0.1 @\~qXz{6J
print "Elapsed time ", ETIM(), " seconds." 9`[#4'1Mik
