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············· Nfg{,/ O
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macro 正文：········· RB IOdz
! centroid.zpl 5}
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! ^,`M0g\$
! Written by Kenneth Moore 9/1/92 zz&vfO31J
! Added TIMER function 4/18/96 f9a$$nb3`
! =MxpH+spI
TIMER Xo \S9,s{
! fCg@FHS&^
! The delta controls how many rays will be traced. A Je 31".
! delta of .025 will trace a 80 x 80 grid in the pupil. d+0^u(gc!8
! ?,>5[Ha^?
delta = .025 Ch t%uzb,
! #~S>K3(
print "This program computes the chief ray coordinates," =HS4I.@c_5
print "centroid coordinates, and middle coordinates for" F_v-}bbcFQ
print "the primary wave spot at each field position." &a tyDFJ'
maxfield = maxf() ;
h85=l<8u
if maxfield == 0 then maxfield = 1 Kr]z]4.d@
n = nsur() J+|/-{g
f = 1 N}DL(-SQ3
label 1 .;g}%C
hx = fldx(f)/maxfield #3+~.,X9
hy = fldy(f)/maxfield p 31oL{D
raytrace hx,hy,0,0 z0
\N{rP&
format 10.4 TM-Fu([LMV
print Mb.4J2F ?
print " X Field = ", fldx(f), +?Ez}
BP
print " Y Field = ", fldy(f) !W
/C[$E
print " X Chief = ",rayx(n), m]P/if7
print " Y Chief = ",rayy(n) KUFz:&wK
xraymax = -9e9 ^Q\X Gl
yraymax = -9e9 K"w%n[u)
xraymin = 9e9 8#l+{`$z
yraymin = 9e9 7]Rk+q2:
xraytot = 0 03_pwB)^
yraytot = 0 ,56;4)cv
numray = 0 g YUTt
numrayattempt = 0 E30Z`$cz:
px = -1 - delta 5gshKmt_
label 2 Oy an9~
px = px + delta En\Z#0,V
py = -1 - delta 6 .19g'{sB
label 3 u Y]0dyI
py = py + delta (A4&k{C_
rad = px*px + py*py ZLrHZhP-+
if rad <= 0.9999999 2M&$Wu u.q
raytrace hx, hy, px, py Mq'I kSt'
numrayattempt = numrayattempt+1 ]]PE#DD g
if !rayv(n) **************************** $DE&J4K
numray = numray + 1 `ET& VV
x = rayx(n) #c:kCZt#
y = rayy(n) ``4?a7!!
if (x < xraymin) then xraymin = x !i Jipe5
if (x > xraymax) then xraymax = x P)hi||[
if (y < yraymin) then yraymin = y w
&
P&7
if (y > yraymax) then yraymax = y "V}qf3 qU
xraytot = xraytot + x v 2>Z ^
yraytot = yraytot + y M*`hD d S
endif 8UM0vNk
endif #xp(B5
if py < 1.0 then goto 3 ~OCZz $qA
if px < 1.0 then goto 2 ]0-< >
if numray YlKFw|=
format 14.8 D/: 3R ZF
print " X Centroid = ",xraytot/numray, `eD1|Go9
print " Y Centroid = ",yraytot/numray 5v|EAjB6o
print " X Middle = ",(xraymax+xraymin)/2, MGaiTN^_<
print " Y Middle = ",(yraymax+yraymin)/2 K*+6`z#fMF
format .0 L!y" d!6C
print " ",numray, " out of ", numrayattempt," rays made it through." CXAVGO'xw
else Y;_T= L
print " No rays made it through!" S{: Cu}o
endif Nog(VN4I&
f=f+1 I`^Y Abnb
if f<= nfld() then goto 1 Z@M6!;y#
print m &/=&S
print "All field positions done!" d.r Y-k
FORMAT 0.1 q qvF-mDN
print "Elapsed time ", ETIM(), " seconds." S>t>6&A
