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············· ,]d,-)KX8
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macro 正文：········· ](s'L8 (x
! centroid.zpl *3?'4"B{8
! 3nhXZOO1
! Written by Kenneth Moore 9/1/92 hy`?E6=9+
! Added TIMER function 4/18/96 'JRvP!]
! zR{W?_cV
TIMER m8o(J\]
! aP/T<QZ~
! The delta controls how many rays will be traced. A oomT)gO 6*
! delta of .025 will trace a 80 x 80 grid in the pupil. lk( }-
! zaK#Z?V}
delta = .025 aL& n[
! !Y[lQXv
print "This program computes the chief ray coordinates," ^ Gqt+K %
print "centroid coordinates, and middle coordinates for" v^1pN>#%g
print "the primary wave spot at each field position." 7BJzM lJ1Y
maxfield = maxf() c5u@pvSP
if maxfield == 0 then maxfield = 1 kYjGj,m"
n = nsur() MZT23 [+
f = 1 CL+}| 7O(
label 1 6e[VgN-s
hx = fldx(f)/maxfield RE/~#k@a
hy = fldy(f)/maxfield IyWI5Q"t
raytrace hx,hy,0,0 L{8xlx`
format 10.4 28 UU60
print o
!vE~
print " X Field = ", fldx(f), ::}{_ Z
print " Y Field = ", fldy(f) %|^fi8!:|
print " X Chief = ",rayx(n), Uk6HQQ
print " Y Chief = ",rayy(n) }Nf%n@
xraymax = -9e9 |v({-*7
yraymax = -9e9 ,.}]ut/Tm
xraymin = 9e9 t({W
[JL
yraymin = 9e9 n\^Tq<] a
xraytot = 0 lLF-{
yraytot = 0 _t Yx~J2.Q
numray = 0 .% L?J E
numrayattempt = 0 j 4^9 7
px = -1 - delta "-+\R}q$
label 2 T-U}QM_e
px = px + delta Z )SY.iK.
py = -1 - delta n6BQk 2l
label 3 .~l=zu
py = py + delta z}*9uZ
rad = px*px + py*py oz}+T(@O
if rad <= 0.9999999 !X;1 }
raytrace hx, hy, px, py : {q < {^c
numrayattempt = numrayattempt+1 k\NMy#]Zt
if !rayv(n) **************************** i:OK8Q{VI
numray = numray + 1 Ht&:-F+dm
x = rayx(n) K|:@Z
y = rayy(n) .P7"e5g e
if (x < xraymin) then xraymin = x USM 4r!x
if (x > xraymax) then xraymax = x yFtd=AI'E
if (y < yraymin) then yraymin = y 5Hw~2 ?a,
if (y > yraymax) then yraymax = y 7~5ym15*
xraytot = xraytot + x LC'{p
yraytot = yraytot + y .K p
endif <w)r`D6
endif jhb6T ?}
if py < 1.0 then goto 3 B4i!/@0s
if px < 1.0 then goto 2 $Z\.-QE\
if numray {l/-LZ.
format 14.8 f
(F)1
print " X Centroid = ",xraytot/numray, e-"nB]n^/
print " Y Centroid = ",yraytot/numray <U!`J[n%
print " X Middle = ",(xraymax+xraymin)/2, Is{KN!Hw
print " Y Middle = ",(yraymax+yraymin)/2 W8KDX_vGJ
format .0 )~HUo9K9
print " ",numray, " out of ", numrayattempt," rays made it through." ucG@?@JENm
else HLV2~5Txc
print " No rays made it through!" \l]DQaOEe
endif U8LtG/
f=f+1 \kU &^H i
if f<= nfld() then goto 1 j ~1B|,H
print +/ )#( j@
print "All field positions done!" SBIj<Yy]
FORMAT 0.1 vM*($qpAy
print "Elapsed time ", ETIM(), " seconds." L>Sjl lY
