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············· W!g'*L /#L
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macro 正文：········· Eh;SH^&6
! centroid.zpl zm rQ7( y
! ot P7;l
! Written by Kenneth Moore 9/1/92 _@0>y MZ^
! Added TIMER function 4/18/96 T!eb=oy
! j;eR9jI$T
TIMER b@@`2O3"
! 5DKR1z:
! The delta controls how many rays will be traced. A NZ`W`#{
! delta of .025 will trace a 80 x 80 grid in the pupil. UX=JWb_uGm
! )|f! }( p
delta = .025 +hg|!SS@5
! 0%.l|~CE&
print "This program computes the chief ray coordinates," DWDL|4
og
print "centroid coordinates, and middle coordinates for" s<x2*yVUA
print "the primary wave spot at each field position." (u@p[ncN}
maxfield = maxf() 'bj$Z M9
if maxfield == 0 then maxfield = 1 hH8:7i
n = nsur() - 8&M^-
f = 1 vs g"!y@v
label 1 [aX'eM q
hx = fldx(f)/maxfield $d.UF!s
hy = fldy(f)/maxfield knZee!FA7
raytrace hx,hy,0,0 jLc4D'
format 10.4 gT Z1LJ
print w$UWfL(
print " X Field = ", fldx(f), <T JUKznO
print " Y Field = ", fldy(f) a%DnRkRr
print " X Chief = ",rayx(n), F n4i[|W42
print " Y Chief = ",rayy(n) H
`Fe |6I&
xraymax = -9e9 75}BI&t3k
yraymax = -9e9 [_ESR/&N
xraymin = 9e9 4)ez0[i$X
yraymin = 9e9 %{s<h6{R
xraytot = 0 k_.%(ZE
yraytot = 0 n\&[^Q#b|
numray = 0 .0;Z:x_3
numrayattempt = 0 '"Q;54S**
px = -1 - delta &^^zm9{
label 2 Js[dT|>.
px = px + delta jI!}}K)d
py = -1 - delta K1 a$
m2
label 3 H\AJLk 2E
py = py + delta GGsDR%U
rad = px*px + py*py WjtmV2b<7
if rad <= 0.9999999 S1NM9xHJ
raytrace hx, hy, px, py 85YE6^y
numrayattempt = numrayattempt+1
Mp9wYM*
if !rayv(n) **************************** ;muxIr`?
numray = numray + 1 !lp *0h (7
x = rayx(n) sI/Jhw)
y = rayy(n) $NzD&b$7
if (x < xraymin) then xraymin = x Hrm^@3
if (x > xraymax) then xraymax = x }$r/#F/Fn
if (y < yraymin) then yraymin = y q-O=Em <*
if (y > yraymax) then yraymax = y h^ea V,x>=
xraytot = xraytot + x ` WIv|S
yraytot = yraytot + y Nw'i;}0v7r
endif DYkNP: +
endif IGEs1
if py < 1.0 then goto 3 vK
z/-9im
if px < 1.0 then goto 2 I5PI;t +
if numray 'v iF8?_
format 14.8 sA=WU(4^
print " X Centroid = ",xraytot/numray, H 'Q4 IRT
print " Y Centroid = ",yraytot/numray OD
09XO
print " X Middle = ",(xraymax+xraymin)/2, -R@mnG
5
print " Y Middle = ",(yraymax+yraymin)/2 `Et)@{iP
format .0 oA`' ~~!
print " ",numray, " out of ", numrayattempt," rays made it through." <z+5+h|^
else
< TJzp
print " No rays made it through!" F1%-IBe
endif :4|u bu
f=f+1 M q;m+{B
if f<= nfld() then goto 1 jFfuT9oId
print Ge=+ 0W)&
print "All field positions done!" 0w}OE8uq
FORMAT 0.1 +x$Gw X
print "Elapsed time ", ETIM(), " seconds." "HSAwe`5jU
