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············· 6f<*1YR
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macro 正文：········· m/SJ4op$
! centroid.zpl qFB9,cUqh
! aU ,0gvI(}
! Written by Kenneth Moore 9/1/92 }mkA Hmu4
! Added TIMER function 4/18/96 i G?w;
! $@XPL~4
TIMER bL6L- S
! `\4 RFr$
! The delta controls how many rays will be traced. A ;F"
kD
! delta of .025 will trace a 80 x 80 grid in the pupil. $yP'k&b!
! wR`w@ 5,d
delta = .025 \k2C 5f
! vY8 WqG]
print "This program computes the chief ray coordinates," My`josJ`Pb
print "centroid coordinates, and middle coordinates for" g wZ+ GA
print "the primary wave spot at each field position." +Y_Q?/M@8
maxfield = maxf() HPv&vdr3
if maxfield == 0 then maxfield = 1 'M]CZ }
n = nsur() AI IBd
f = 1 I_R5\l}O+D
label 1 E1mI Xd;.
hx = fldx(f)/maxfield A= \'r<:
hy = fldy(f)/maxfield 0jl:Yzo&\
raytrace hx,hy,0,0 ^H @!)+
=
format 10.4 nA{ncTg1\
print %FXI lH5
print " X Field = ", fldx(f), w>1l@%U o
print " Y Field = ", fldy(f) dK-
^
print " X Chief = ",rayx(n), dT*f-W
print " Y Chief = ",rayy(n) js %4;
xraymax = -9e9 Uv W: #
yraymax = -9e9 `"^@[1
xraymin = 9e9 9g<_JcN
yraymin = 9e9 5,G<}cd
xraytot = 0 V djU2d
yraytot = 0 9/8@
numray = 0 =]2RC1#}e
numrayattempt = 0 6w:g77SH)%
px = -1 - delta |yId6v
label 2 kOlI ?w c
px = px + delta Zip K;!9by
py = -1 - delta 4`EvEv$i
label 3 @h z0:ezg:
py = py + delta P"h,[{Y*>
rad = px*px + py*py ^| a&%wxA
if rad <= 0.9999999 c=jTs+h'
raytrace hx, hy, px, py wKeSPs{x
numrayattempt = numrayattempt+1 qU
/ Wg
if !rayv(n) **************************** hz>yv@ 1
numray = numray + 1 ;{F;e)${M
x = rayx(n) '6Z/-V 4k
y = rayy(n) \e5,`
if (x < xraymin) then xraymin = x 3ec==.
if (x > xraymax) then xraymax = x k*UR# z(I
if (y < yraymin) then yraymin = y ^0 ,&R\e+
if (y > yraymax) then yraymax = y ;]O 7^s#v
xraytot = xraytot + x
!]jNVg
yraytot = yraytot + y j_YZ(: =
endif (f Lbg,
endif Hhce:E@K
if py < 1.0 then goto 3 )4o=t.O\K
if px < 1.0 then goto 2 q}7Df!<|
if numray 9O 0
format 14.8 EssUyF-jwU
print " X Centroid = ",xraytot/numray, )eedfb1
print " Y Centroid = ",yraytot/numray a Gzdur
print " X Middle = ",(xraymax+xraymin)/2, ah&plaVzC
print " Y Middle = ",(yraymax+yraymin)/2 L}sm R,
format .0 1PT_1[eAR
print " ",numray, " out of ", numrayattempt," rays made it through." EF7|%N
else qT-nD}
print " No rays made it through!" #D*J5k>2
endif e[VJ0 A=
f=f+1 :O @,Z_"
if f<= nfld() then goto 1 Q/9vD v
print ]6c2[r?g{
print "All field positions done!" N6 }i>";_;
FORMAT 0.1 W~@GK
print "Elapsed time ", ETIM(), " seconds." S r#fyr
