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············· %k2FPmA6
rgqQxe=
macro 正文：········· T1W:>~T5#
! centroid.zpl KXf<$\+zO
! A " S/^<
! Written by Kenneth Moore 9/1/92 !,Nwts>m
! Added TIMER function 4/18/96 ;# &fgj
! 4PW AGuN^
TIMER JO=1ivZ l
! =1Z;Ma<;
! The delta controls how many rays will be traced. A ` H
XEZ|
! delta of .025 will trace a 80 x 80 grid in the pupil. Ly7!R$X
! K"\MU
delta = .025 &cu!Hx
! jJBnDx sA
print "This program computes the chief ray coordinates," Km!nM$=k
print "centroid coordinates, and middle coordinates for" M4KWN'
print "the primary wave spot at each field position." (PRBS\*G
maxfield = maxf() Gf0,RH+
if maxfield == 0 then maxfield = 1 9J nY$e<&
n = nsur() }mZV L~|V
f = 1 }H RK?.Vj:
label 1 J#Z5^)$
hx = fldx(f)/maxfield 3~Qd)j "<
hy = fldy(f)/maxfield JYm7@gx
raytrace hx,hy,0,0 ]6&$|2H?Ni
format 10.4 ^aF8wbuZ
print c #lPc>0xb
print " X Field = ", fldx(f), PB9/m-\H
print " Y Field = ", fldy(f) c0e z/q1S
print " X Chief = ",rayx(n), M T6/2d
print " Y Chief = ",rayy(n) X} cZ xlqc
xraymax = -9e9 0 [8=c&F
yraymax = -9e9 : !Ig- +W
xraymin = 9e9 _M t Qi
yraymin = 9e9 {2
%aCC V
xraytot = 0 y3eHF^K+$
yraytot = 0 WKl +{e
numray = 0 rNlW7 Y
numrayattempt = 0 #yW\5)
px = -1 - delta l!
v!hU b+
label 2 {6G?[
`&ca
px = px + delta &|Np0R
py = -1 - delta ~ n? >[88"
label 3 ^"i~ DC
py = py + delta Q@-ovuxi
rad = px*px + py*py gSt `%
if rad <= 0.9999999 X!tf#tl
raytrace hx, hy, px, py h}L}[
numrayattempt = numrayattempt+1 @5VV|Wt=
if !rayv(n) **************************** 7N=-Y >$X
numray = numray + 1 - $2kO`|p
x = rayx(n) . +
y = rayy(n) .*YD&(
if (x < xraymin) then xraymin = x }u Y!(4Rw
if (x > xraymax) then xraymax = x 0;.<~;@h
if (y < yraymin) then yraymin = y )]43R
if (y > yraymax) then yraymax = y EU-]sTJLF
xraytot = xraytot + x atF?OP|{,w
yraytot = yraytot + y Sr_V L:Gg
endif 9GLb"6+PK
endif <F=9*.@D
if py < 1.0 then goto 3 Anm=*;*M`
if px < 1.0 then goto 2 0N :XIGFa
if numray Wu1 {[a|
format 14.8 x@>&IBiL
print " X Centroid = ",xraytot/numray, Ts$@s^S]
print " Y Centroid = ",yraytot/numray H1EDMhn/
print " X Middle = ",(xraymax+xraymin)/2, CC^E_j T
print " Y Middle = ",(yraymax+yraymin)/2 Vz=a uM1xZ
format .0 I97yt[,Yy
print " ",numray, " out of ", numrayattempt," rays made it through." w
ej[+y-
else ^ |MjJsn
print " No rays made it through!" +}xaQc:0|
endif 28.~ iw
f=f+1 O,@~L$a:YZ
if f<= nfld() then goto 1 *^%*o?M~
print V5f9]D
print "All field positions done!" bG F7Zh9
FORMAT 0.1 1 .< q3q
print "Elapsed time ", ETIM(), " seconds." E:`v+S_h
