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············· |+$j( YuH
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macro 正文：········· !kHy LEV
! centroid.zpl c-3Y SrY
! b/D9P~cE
! Written by Kenneth Moore 9/1/92 NZw[.s>n
! Added TIMER function 4/18/96 :+Z> nHe
! ;03*qOYc
TIMER =%nqMV(y
! EiIFV P
! The delta controls how many rays will be traced. A ;>QK}#'
! delta of .025 will trace a 80 x 80 grid in the pupil. Lu#@~
! m?kIa!GM=
delta = .025 lG[
)8!:+
! Um0< I)
print "This program computes the chief ray coordinates," vI: bl~
print "centroid coordinates, and middle coordinates for" H?/cG_^y0
print "the primary wave spot at each field position." H $qdU!c
maxfield = maxf() 6Kv}2M')+
if maxfield == 0 then maxfield = 1 );/5#b@<Y
n = nsur() qzU2H
f = 1 TF}4X;3Dsy
label 1 " =Fn.r4I
hx = fldx(f)/maxfield :0TS OT9.
hy = fldy(f)/maxfield @ T~#Gwv
raytrace hx,hy,0,0 ZC\.};.
format 10.4 dO4U9{+
print nD?M;XN
print " X Field = ", fldx(f), 1o"oa< *_
print " Y Field = ", fldy(f) w\8r h\Mvh
print " X Chief = ",rayx(n), K&gc5L
print " Y Chief = ",rayy(n) Ll E_{||h
xraymax = -9e9 li'1RKr
yraymax = -9e9 da86Jj=k
xraymin = 9e9 2O)Kn
q
yraymin = 9e9 O' sr[
xraytot = 0 Uub%s` O
yraytot = 0 %[ bO\,
numray = 0 bEXHB
numrayattempt = 0 p~zTRnm
px = -1 - delta 0 f#a _
label 2 jiB>.te
px = px + delta (9[C0e S
py = -1 - delta BO\`m%8md
label 3 <n2{+eO
py = py + delta /*p?UW<*4
rad = px*px + py*py kKk |@
if rad <= 0.9999999 ^9V8 M9
raytrace hx, hy, px, py G|Yp <W%o
numrayattempt = numrayattempt+1 k FZu/HRI
if !rayv(n) **************************** !m O] zn
numray = numray + 1 h*X%:UbW
x = rayx(n) U@t?jTMBkO
y = rayy(n) wbF1>{/"
if (x < xraymin) then xraymin = x >D^7v(&
if (x > xraymax) then xraymax = x [,?A$Z*Z|
if (y < yraymin) then yraymin = y AiH DoV+-
if (y > yraymax) then yraymax = y YHv, Z|.w
xraytot = xraytot + x T+`GOFx
yraytot = yraytot + y -N!soJ<
endif w#bbm'j7r
endif wTuRo
J
if py < 1.0 then goto 3 q}24U3ow
if px < 1.0 then goto 2 wNZS6JF.d
if numray \U =>
format 14.8 8_,wOkk_B
print " X Centroid = ",xraytot/numray, 3'@j RK
print " Y Centroid = ",yraytot/numray ghd[G}
print " X Middle = ",(xraymax+xraymin)/2, .$}zw|,q
print " Y Middle = ",(yraymax+yraymin)/2 n_ NG~ /x
format .0 ?;7>`F6ld
print " ",numray, " out of ", numrayattempt," rays made it through." cw-JGqLx
else iW%0pLn
print " No rays made it through!" h] TVi$J
endif %1d6j<7
f=f+1 ]]QCJf@p
if f<= nfld() then goto 1 hr"+0KeX
print qf&{O:,Z
print "All field positions done!" WD`{kqc
FORMAT 0.1 Z42 Suy
print "Elapsed time ", ETIM(), " seconds." k.f:nv5JO
