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············· DX]z=d)tc
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macro 正文：········· `[w }hFl~q
! centroid.zpl o}5'v^"6 ,
!
J(H??9(s
! Written by Kenneth Moore 9/1/92 yz54:q?
! Added TIMER function 4/18/96 I^6c 0`
! &Z;Eu'ia
TIMER \"<GL;
! (!^N~ =e ;
! The delta controls how many rays will be traced. A D/+@d:- G
! delta of .025 will trace a 80 x 80 grid in the pupil. NB~*sP-l&
! NZ C<m$')
delta = .025 G <} 7vF
! ?S;et2f
print "This program computes the chief ray coordinates," J
t n&o"C
print "centroid coordinates, and middle coordinates for" B8P@D"u
print "the primary wave spot at each field position." 6
d{D3e[p^
maxfield = maxf() D/ NIn=>j
if maxfield == 0 then maxfield = 1 2n"*)3Qj
n = nsur() gwkZk-f\p
f = 1 % B7?l
label 1 7~Xu71^3s
hx = fldx(f)/maxfield hfP(N_""S
hy = fldy(f)/maxfield b*$o[wO9
raytrace hx,hy,0,0 ]lG_rGw
format 10.4 kiB OyC!r6
print j$JV(fz
print " X Field = ", fldx(f), g/J^K*3]
print " Y Field = ", fldy(f) j:\_*f
print " X Chief = ",rayx(n), G tGyY0
print " Y Chief = ",rayy(n) "X!_37kQ
xraymax = -9e9 ,sy / r V
yraymax = -9e9 'h+4zvI"8
xraymin = 9e9 `rRg(fCN!M
yraymin = 9e9 d3\l9R{}
xraytot = 0 .WPuQZ!
yraytot = 0 dzk?Zg
numray = 0 's%ct}y\J
numrayattempt = 0 dnhpWV h n
px = -1 - delta QjT#GvHY
label 2 rkER`
px = px + delta LXOF{FG
py = -1 - delta ZS
7)(j$.
label 3 rUJ SzLy
py = py + delta ~>wq;T:=
rad = px*px + py*py $;g%S0:3)
if rad <= 0.9999999 !'UsC6Y4
raytrace hx, hy, px, py Phjf$\pt
numrayattempt = numrayattempt+1 R?FtncL%D
if !rayv(n) **************************** 3k|~tVM
numray = numray + 1 V0wC@?
x = rayx(n) !15@M|,OL
y = rayy(n) 1tK6lrhj
if (x < xraymin) then xraymin = x ;Ef)7GE@\[
if (x > xraymax) then xraymax = x TQyFF/K
if (y < yraymin) then yraymin = y WLA_YMlA
if (y > yraymax) then yraymax = y Q'V,?#
xraytot = xraytot + x 1OJD\w c
yraytot = yraytot + y 1QdB`8in
endif OYCF x2{
endif }j5@\c48
if py < 1.0 then goto 3 A 'P}mrY
if px < 1.0 then goto 2 <\#
if numray hgMn O J
format 14.8 V3Rnr8
print " X Centroid = ",xraytot/numray, {:q9:
print " Y Centroid = ",yraytot/numray . KSr@Gz
print " X Middle = ",(xraymax+xraymin)/2, 3 %{'Uh,
print " Y Middle = ",(yraymax+yraymin)/2 $f@-3/V6{
format .0 g\mrRZ/?
print " ",numray, " out of ", numrayattempt," rays made it through." mZ.6Njb
else M}RFFg
print " No rays made it through!" &|,qsDK(
endif c`[uQXv
f=f+1 Vu8-Cy>Q?
if f<= nfld() then goto 1 k?*DBXJv
print 97=YFK~*
print "All field positions done!" FWx*&y~$
FORMAT 0.1 ~+ NFWNgN
print "Elapsed time ", ETIM(), " seconds." "7u"d4h-:(
