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············· #UqE %g`J
q.d
qr<
macro 正文：········· |DXi~
! centroid.zpl G8Zl[8
! d@+u&xrd
! Written by Kenneth Moore 9/1/92 @8|i@ S@4
! Added TIMER function 4/18/96 C=P}@| K
! $`"$ZI6[
TIMER O|0,=
5
! 6G>loNM^
! The delta controls how many rays will be traced. A YZ/2 :[b
! delta of .025 will trace a 80 x 80 grid in the pupil. qXB5wDJg
! ;% l0Ml>
delta = .025 ;1Q @d
! k, jcLX.
print "This program computes the chief ray coordinates," D<Z]kR(
print "centroid coordinates, and middle coordinates for" wRe2sjM
print "the primary wave spot at each field position." JYa3xeC;
maxfield = maxf() 3u1\zse
if maxfield == 0 then maxfield = 1 \-{ 2E
n = nsur() G5!!^p ~
f = 1 ic?(`6N8
label 1 !'kr:r}gg
hx = fldx(f)/maxfield r5P Z=+F
hy = fldy(f)/maxfield ;~ Q `TWC
raytrace hx,hy,0,0 MZdj!(hO
format 10.4 PS ` F
print a- 7RJ.
print " X Field = ", fldx(f), rVDOco+w
print " Y Field = ", fldy(f) c=4z+_ K
print " X Chief = ",rayx(n), <ua! ]~
print " Y Chief = ",rayy(n) P +Sgbtc
xraymax = -9e9 ~R~MC(5N[
yraymax = -9e9 D
#C\| E:
xraymin = 9e9 'L G
)78sk
yraymin = 9e9
(xMq(g
xraytot = 0 i6xzHfaYG
yraytot = 0 X6n8Bi9Ik
numray = 0 t9&=; s
numrayattempt = 0 "Q;Vy t
px = -1 - delta \r- v]]_<d
label 2 8 ,]wOxwqi
px = px + delta 4 }*V=>z
py = -1 - delta -hZw.eChQa
label 3 ->J5|c#
py = py + delta e}2[g
rad = px*px + py*py X9ec*x
if rad <= 0.9999999 (FSa>
raytrace hx, hy, px, py sJm v{wM
numrayattempt = numrayattempt+1 L.% zs
if !rayv(n) ****************************
{5JYu
numray = numray + 1 +Q+!#
x = rayx(n) C iIIlE4
y = rayy(n) SQDc%I>b
if (x < xraymin) then xraymin = x kjOI7` DU
if (x > xraymax) then xraymax = x E4xybVo@
if (y < yraymin) then yraymin = y #kAk
d-QY6
if (y > yraymax) then yraymax = y FF#?x@N:
xraytot = xraytot + x Q,R|VI6Co
yraytot = yraytot + y >UV?n XP}
endif JUTlJyx8
endif phy:G}F6%
if py < 1.0 then goto 3 Ob|v $C
if px < 1.0 then goto 2 ]v0=jm5A
if numray gf lO0$i
format 14.8 6V-JyTcxGI
print " X Centroid = ",xraytot/numray, &}FWpo!
print " Y Centroid = ",yraytot/numray 6' 9zpe@`
print " X Middle = ",(xraymax+xraymin)/2, u\=yY.
print " Y Middle = ",(yraymax+yraymin)/2 l/56;f\IA
format .0 6tup^Rlo;$
print " ",numray, " out of ", numrayattempt," rays made it through." (_eM:H=e>
else %6TS_IpJ
print " No rays made it through!" -Vj112 fI
endif K]ds2Kp&
f=f+1 M(W-\ L
if f<= nfld() then goto 1 kS) |oU K
print {$v>3FG
print "All field positions done!" q (}#{OO
FORMAT 0.1 3s_ $.
print "Elapsed time ", ETIM(), " seconds." H@`lM~T[
