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············· 2'pxA:
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macro 正文：········· \t!+]v8f8
! centroid.zpl u $sX6
! r xDule3m
! Written by Kenneth Moore 9/1/92 9 sT?"(=
! Added TIMER function 4/18/96 )n0g6
! gNZ^TeT
TIMER 4 6e;UUf!d
! GXHk{G@TS
! The delta controls how many rays will be traced. A N8nyTPw
! delta of .025 will trace a 80 x 80 grid in the pupil. C($`'~b
! ^k- H$]
delta = .025 P, S9gG9
! 93'%aSDI%
print "This program computes the chief ray coordinates," n+!.0d}6
print "centroid coordinates, and middle coordinates for" T-5T`awf
print "the primary wave spot at each field position." Y%&6qt G
maxfield = maxf() ;'<K}h
if maxfield == 0 then maxfield = 1 5<#H=A~(
n = nsur() 0k CU z
f = 1 @cjhri|vH
label 1
?T4%"0
hx = fldx(f)/maxfield ( bBetX
hy = fldy(f)/maxfield Dri1A%
raytrace hx,hy,0,0 FG8bP
format 10.4 nt5 ~" 8
print u eWG/`ig
print " X Field = ", fldx(f), WO}JIExy
print " Y Field = ", fldy(f) \8t g7Sdq
print " X Chief = ",rayx(n), oW /&X5
print " Y Chief = ",rayy(n) g#70Sg*d
xraymax = -9e9 q 2 hZ1o
yraymax = -9e9 L)w& f
xraymin = 9e9 r/{VL3}F_e
yraymin = 9e9 ,cm2uY
xraytot = 0 (p2\H>pTr
yraytot = 0 |r
/}r, t}
numray = 0 ]gmf%g'C
numrayattempt = 0 v -Br)lLv
px = -1 - delta ^lQ-w|7(
label 2 ' bT9AV%
px = px + delta m&$H ?yXW>
py = -1 - delta |"@E"Za^
label 3 G! 87F/
py = py + delta 'wQ= b
rad = px*px + py*py _6(zG.Fg
if rad <= 0.9999999 AN.` tv
raytrace hx, hy, px, py g`&pQ%|=
numrayattempt = numrayattempt+1 zg5 u
if !rayv(n) **************************** riBT5
numray = numray + 1 0[hl&7 Ab@
x = rayx(n) 3~ZtA gih%
y = rayy(n) 6l> G>)
if (x < xraymin) then xraymin = x h yTi':
if (x > xraymax) then xraymax = x YobI b po
if (y < yraymin) then yraymin = y }$UuYO/i
if (y > yraymax) then yraymax = y r":<1+07
xraytot = xraytot + x \?C(fp R
yraytot = yraytot + y DD-DY&2R
endif %ZQl.''ISa
endif \dfq& oyU\
if py < 1.0 then goto 3 -iW[cj
R`$
if px < 1.0 then goto 2 x[>A'.m@)
if numray ]&9f:5',
format 14.8 :s$ 9#}hw,
print " X Centroid = ",xraytot/numray, )v|a:'% K_
print " Y Centroid = ",yraytot/numray T}\U:@b
print " X Middle = ",(xraymax+xraymin)/2, G;^iwxzhO
print " Y Middle = ",(yraymax+yraymin)/2 4 bJ3uIP#
format .0 xpS#l"dr
print " ",numray, " out of ", numrayattempt," rays made it through." ),~Ca 'TU
else =LT( { 8
print " No rays made it through!" ~ib#x~Db
endif 0CDTj,eK
f=f+1 zY#U ]Is
if f<= nfld() then goto 1 Sqb#U{E
print ", |wG7N
K
print "All field positions done!" C&;'Pw9H
FORMAT 0.1 -bj1y2)n
print "Elapsed time ", ETIM(), " seconds." #Y{"`5>
