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············· F=V_ ACU
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macro 正文：········· T#=&oy7
! centroid.zpl d^ G5Pq
! )"&\S6*!
! Written by Kenneth Moore 9/1/92 Y@ 'ahxF
! Added TIMER function 4/18/96 >5bd !b,
! nm
!H&#<
TIMER v$EgVc K
! W4rh7e4
! The delta controls how many rays will be traced. A DTM
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! delta of .025 will trace a 80 x 80 grid in the pupil. 0 r ilg
! ziG]BZ
delta = .025 RRJN@|"
! ka [%p, H
print "This program computes the chief ray coordinates," ZN-5W|' O
print "centroid coordinates, and middle coordinates for" y3 NMt6
print "the primary wave spot at each field position." W*Ce1
maxfield = maxf() Y%YPR=j~ &
if maxfield == 0 then maxfield = 1 zXT[}J VV
n = nsur() .6y(ox|LL
f = 1 nISfRX U;
label 1 Bt1 &C?_$T
hx = fldx(f)/maxfield
o>ZlA3tv
hy = fldy(f)/maxfield O ojQG
raytrace hx,hy,0,0
u9,ZY >
format 10.4 N0']t Gh2
print bc E%EQ
print " X Field = ", fldx(f), z9P;HGuZ
print " Y Field = ", fldy(f) DX4"}w
print " X Chief = ",rayx(n), .[ hbiv#
print " Y Chief = ",rayy(n) l@nG?l #
xraymax = -9e9 5ofsJ!b'
yraymax = -9e9 sp&)1?!M
xraymin = 9e9 t 4tXLI;'
yraymin = 9e9 bhc
.UmH
xraytot = 0 1F58 2 l
yraytot = 0 % .n 7+
numray = 0 o 2sOf
numrayattempt = 0 w`F4.e
px = -1 - delta UXN!iU)
label 2 mtu`m6Xix
px = px + delta LG3:V'|
py = -1 - delta <j$n7#qk
label 3 \IG"Te
py = py + delta pCm |t!,
rad = px*px + py*py =lqBRut
if rad <= 0.9999999 ,c_NXC^X?
raytrace hx, hy, px, py 1%,AU
numrayattempt = numrayattempt+1 ^9PB+mz
if !rayv(n) **************************** 2V 9vS
numray = numray + 1 Z )f\^
x = rayx(n) CUo %i/R
y = rayy(n) rxJWU JMxK
if (x < xraymin) then xraymin = x
-Y "'=zkO
if (x > xraymax) then xraymax = x `:fc*n,*
if (y < yraymin) then yraymin = y _laLTP*
if (y > yraymax) then yraymax = y muqIh!nn
xraytot = xraytot + x "m m|0PUJ
yraytot = yraytot + y 'aoHNZfxw
endif V=g<3R&
endif crdp`}}
if py < 1.0 then goto 3 (o5+9'y"9
if px < 1.0 then goto 2 ;+/[<bv d"
if numray E5}wR(i,4
format 14.8 >9v?p=
print " X Centroid = ",xraytot/numray, (ON_(MN
print " Y Centroid = ",yraytot/numray *l-(tp5
print " X Middle = ",(xraymax+xraymin)/2, fm%1 vM$[J
print " Y Middle = ",(yraymax+yraymin)/2 W~&PGmRI
format .0 p&%M=SzN
print " ",numray, " out of ", numrayattempt," rays made it through." !z.C}n5F
else D9|?1+Kc
print " No rays made it through!" ) =)=]|3
endif
>v DD .
f=f+1 ja2PmPv
if f<= nfld() then goto 1 v9[[T6t/'
print cNd2XQB9=
print "All field positions done!" & sRjs
FORMAT 0.1 3g#fX{e_5!
print "Elapsed time ", ETIM(), " seconds." zkt+"P{az[
