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············· <v3pI!)x
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macro 正文：········· J*t_r-z
! centroid.zpl r b*;4a
! 75eZhs[b
! Written by Kenneth Moore 9/1/92 qe |U*K
2_
! Added TIMER function 4/18/96 /&W~:F
! rem Rm Y?
TIMER =)nJ'}x
! yZc#@R[0
! The delta controls how many rays will be traced. A >J/8lS{#
! delta of .025 will trace a 80 x 80 grid in the pupil. .zsY VtK
! w+iI a y
delta = .025
Z31a4O
! 6@FGt3y
print "This program computes the chief ray coordinates," 1t }
print "centroid coordinates, and middle coordinates for" *vOk21z77d
print "the primary wave spot at each field position." f7:}t+d
maxfield = maxf() # #nC@h@
if maxfield == 0 then maxfield = 1 RKy! =#;17
n = nsur() qm< mw"]
f = 1 CTJwZY7
label 1 mX[J15
hx = fldx(f)/maxfield k,-0OoCL-!
hy = fldy(f)/maxfield Yb4%W-5
raytrace hx,hy,0,0 d fSj= 4
format 10.4 OM81$Xo=
print v\D.j4%ij
print " X Field = ", fldx(f), a(lmm@;V<
print " Y Field = ", fldy(f) wY"BPl]b
print " X Chief = ",rayx(n), VcLzv{
print " Y Chief = ",rayy(n) @.L /HXu-P
xraymax = -9e9 a"^rOiXR{
yraymax = -9e9 >1$Vh=\OI
xraymin = 9e9 p#6t KY; N
yraymin = 9e9 GK1oS
xraytot = 0 V/BU(`~i
yraytot = 0 Qcn;:6_&W
numray = 0 g0#w
4rGF)
numrayattempt = 0 fWyXy%Qq
px = -1 - delta L| ;WE=
label 2 N 1hj[G[H"
px = px + delta W0< 2*7s
py = -1 - delta +*wr=9>
label 3 i5SDy(?r
py = py + delta 9ePom'1f1
rad = px*px + py*py >65 \
if rad <= 0.9999999 onl,R{,`0
raytrace hx, hy, px, py 5]K2to)>`
numrayattempt = numrayattempt+1 US\h,J\Ju
if !rayv(n) **************************** Z=oGyA
numray = numray + 1 0+/ew8~$
x = rayx(n) 5YYBX\MV
y = rayy(n) %Z*N /n U
if (x < xraymin) then xraymin = x ~ 1~|/WG
if (x > xraymax) then xraymax = x |)S*RQb\
if (y < yraymin) then yraymin = y b4 Pa5 w
if (y > yraymax) then yraymax = y 49YN@ PXC
xraytot = xraytot + x *Tr9pq%m
yraytot = yraytot + y +G)a+r'0Q
endif /!fJ`pu!
endif 8vQR'<,
if py < 1.0 then goto 3 ?C']R(fQ\
if px < 1.0 then goto 2 u :H: N]
if numray %e:[[yq)G
format 14.8 Kl<NAv%j
print " X Centroid = ",xraytot/numray, }ld^zyL
print " Y Centroid = ",yraytot/numray 6Ad =#MM
print " X Middle = ",(xraymax+xraymin)/2, t9)S^: 0
print " Y Middle = ",(yraymax+yraymin)/2 i&{%} ==7
format .0 [Y.=bfV!
print " ",numray, " out of ", numrayattempt," rays made it through." [S9"' ^H
else = |dHD
print " No rays made it through!" ij 1YV2v
endif H4 $f+
f=f+1 J$lfI^^
if f<= nfld() then goto 1 W}#n .c4+
print MaPI<kYQv
print "All field positions done!" k n/xt
FORMAT 0.1 rQ osI:$
print "Elapsed time ", ETIM(), " seconds." } }Z2@}
