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············· 6@?aVM~
5i4V 5N>3
macro 正文：········· {C/L5cZ]J
! centroid.zpl i+)} aA
! [*9YIjn
! Written by Kenneth Moore 9/1/92 !]rETP_
! Added TIMER function 4/18/96 b'7z DZI]
! mWli}j#
TIMER hg?j)jl|
! 9|N" @0<B
! The delta controls how many rays will be traced. A fou_/Nrue
! delta of .025 will trace a 80 x 80 grid in the pupil. <Qce x3
! f2O*8^^Y{Q
delta = .025 Y^f 94s:2S
! eP q13!FC/
print "This program computes the chief ray coordinates," -t@y\vZF,
print "centroid coordinates, and middle coordinates for" c Pq Dsl3
print "the primary wave spot at each field position." \LdmGv@ &
maxfield = maxf() &o* s !u
if maxfield == 0 then maxfield = 1 11)/] ?/j
n = nsur() $hjP}- oUX
f = 1 h"% |\o+3
label 1 "U% n0r2
hx = fldx(f)/maxfield 3XeXzPj
hy = fldy(f)/maxfield I*A0?{
raytrace hx,hy,0,0 t." g\;
format 10.4 <%d51~@={I
print O{k89 {
print " X Field = ", fldx(f), bBUbw *DF)
print " Y Field = ", fldy(f) w4e%-Ln
print " X Chief = ",rayx(n), t&GA6ML#s
print " Y Chief = ",rayy(n) 0?lp/|K
xraymax = -9e9 E`Jp(gK9F
yraymax = -9e9 r } /yi
xraymin = 9e9 f^W[; w
yraymin = 9e9 ,vPe}OKj
xraytot = 0 [3O^0-:6E
yraytot = 0 @br@[RpB
numray = 0 )7&42>t
numrayattempt = 0 _ PXG AS
px = -1 - delta ;^R A!Nj
label 2 vk
@%R
px = px + delta $; Q$W9+
py = -1 - delta ]2Sfkl0
label 3 |@ikx{ W
py = py + delta tg.|$n
rad = px*px + py*py [YC=d1F5
if rad <= 0.9999999 J DLT OLG
raytrace hx, hy, px, py $_Y/'IN`k
numrayattempt = numrayattempt+1 ic %?uWN
if !rayv(n) **************************** %1Bn_
numray = numray + 1 +>JdYV<?0
x = rayx(n) P^ptsZ%
y = rayy(n) )^4 ko
if (x < xraymin) then xraymin = x LnP3z5d(
if (x > xraymax) then xraymax = x wgCvD
if (y < yraymin) then yraymin = y e8$l0gzaD
if (y > yraymax) then yraymax = y TT'Ofvdc
xraytot = xraytot + x eP f+[pV3
yraytot = yraytot + y exfm q
endif W7H&R,
endif V,V*30K5
if py < 1.0 then goto 3 q`XW5VV{K
if px < 1.0 then goto 2 (2UW_l
if numray L2KG0i`+
format 14.8 z< z*Wz
print " X Centroid = ",xraytot/numray, EQ4#fAM)
print " Y Centroid = ",yraytot/numray E E+`i %
print " X Middle = ",(xraymax+xraymin)/2, M'kVL0p?vN
print " Y Middle = ",(yraymax+yraymin)/2 M70c{s`w5
format .0 /\ytr%7 ,'
print " ",numray, " out of ", numrayattempt," rays made it through." Rv=DI&K%n
else K&*iw`
print " No rays made it through!" (=1)y'.
endif {3V Z3i
f=f+1 #Mh{<gk%ax
if f<= nfld() then goto 1 Ab/j (xr=
print 1%%'6cWWu
print "All field positions done!" O7%2v@j|8
FORMAT 0.1
3P1&;
print "Elapsed time ", ETIM(), " seconds." F8H'^3`b`U
