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············· :=[XW?L%x
~PHB_ cyth
macro 正文：········· )}_a
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! centroid.zpl :P(K 2q3
! gw}M w
! Written by Kenneth Moore 9/1/92
Yl.0aS
! Added TIMER function 4/18/96 hc'-Dh
! Ed
,D8ND
TIMER 4X *>H
! Z" uY}P3
! The delta controls how many rays will be traced. A MC {
2 X
! delta of .025 will trace a 80 x 80 grid in the pupil. j7)Ao*WN
! ^tCd L@$AS
delta = .025 Co3:*nbRv
! @`,1:
print "This program computes the chief ray coordinates," C|?o*fQ
print "centroid coordinates, and middle coordinates for" ,-O Cc!7K
print "the primary wave spot at each field position." 3hK#'."`N
maxfield = maxf() W[}s o6
if maxfield == 0 then maxfield = 1 xu'yVt9RC
n = nsur() Vb'7>
f = 1 {je -I9%OK
label 1 bpxe znz
hx = fldx(f)/maxfield &zuG81F6
hy = fldy(f)/maxfield Kk{<@v)
raytrace hx,hy,0,0 +a*^{l}AST
format 10.4 jr3ti>,xV
print }nMPSerE
print " X Field = ", fldx(f), Zw~+Pb
print " Y Field = ", fldy(f) zrU{@z$l
print " X Chief = ",rayx(n), B.L]Rk\4
print " Y Chief = ",rayy(n) E=#0I]v[
xraymax = -9e9 O1`9Y}G(r
yraymax = -9e9 (k|_ J42[
xraymin = 9e9 <En gi !
yraymin = 9e9 UA yC.$!
xraytot = 0 >(snII
yraytot = 0 &RTX6%'KY
numray = 0 =k oSUVO0
numrayattempt = 0 DK
o N}c
px = -1 - delta SC-
$B
label 2 eBJUv]o %
px = px + delta 8zBWIi
py = -1 - delta wG ZR31
label 3 "$}vP<SM
py = py + delta >|Cw\^
rad = px*px + py*py STJJU]H
if rad <= 0.9999999 b%Eei2Gm%
raytrace hx, hy, px, py &EpAg@9!
numrayattempt = numrayattempt+1 8dlw-Q'S
if !rayv(n) **************************** x1BobhU~Zl
numray = numray + 1 M G?0>^F
x = rayx(n) i:l<C
y = rayy(n) 8Y#\xzod
if (x < xraymin) then xraymin = x G!XIc>F*
if (x > xraymax) then xraymax = x >pr=|$zk=
if (y < yraymin) then yraymin = y yu;SH[{Wi
if (y > yraymax) then yraymax = y G\a8B#hg
xraytot = xraytot + x 2mq$H_
yraytot = yraytot + y h?$T!D>
endif XB[<;*Iz
endif E.iSWAJ(w
if py < 1.0 then goto 3 mP(kcMT "
if px < 1.0 then goto 2 8L1oh j
if numray NzW`B^p
format 14.8 Z,.G%"i3C
print " X Centroid = ",xraytot/numray,
kZ=s'QRgL
print " Y Centroid = ",yraytot/numray 4Ua> Yw0
print " X Middle = ",(xraymax+xraymin)/2, ^`D=GF^tX
print " Y Middle = ",(yraymax+yraymin)/2 aIXdV2QS
format .0 y8\S}E 0
print " ",numray, " out of ", numrayattempt," rays made it through." > MH(0+B*
else A?*o0I
print " No rays made it through!" ZY56\qcY
endif )=DGdI Et
f=f+1 HQ9X7[3
if f<= nfld() then goto 1 )H}#A#ovj7
print :>81BuMvg
print "All field positions done!" BJS-Jy$-
FORMAT 0.1 W8g' lqc|
print "Elapsed time ", ETIM(), " seconds." S{K0.<,E
