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············· JMH8MH*
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macro 正文：········· D9FJ 1~
! centroid.zpl m|=H#
! yto,>Utzg
! Written by Kenneth Moore 9/1/92 )yTm.F
! Added TIMER function 4/18/96 d/ bE t&
! _~*,m#uxJ
TIMER >B2:kY F
! yi l[gPy4B
! The delta controls how many rays will be traced. A h\n I!{A0
! delta of .025 will trace a 80 x 80 grid in the pupil. \T <$9aNb
! X LL/4 )
delta = .025 wi4=OU1L)a
! GDD '[;
print "This program computes the chief ray coordinates," sFQ^2PwbS
print "centroid coordinates, and middle coordinates for" 4\6N~P86
print "the primary wave spot at each field position." 'B@e8S) y
maxfield = maxf() i K12 pw
if maxfield == 0 then maxfield = 1 df
n9!h
n = nsur() R,|d`)T
f = 1 rFC" Jx
label 1 :'*DPB-
hx = fldx(f)/maxfield !!Aj<*%
hy = fldy(f)/maxfield /\H>y
raytrace hx,hy,0,0 QF&W` c
format 10.4 nS&3?lx9_
print tkXEHsRT
print " X Field = ", fldx(f), W2z*91$
print " Y Field = ", fldy(f) # *TEq
print " X Chief = ",rayx(n), g _G6~-.9I
print " Y Chief = ",rayy(n) oiX+l5`pz
xraymax = -9e9 cOPB2\,
yraymax = -9e9 jcI&w#re
xraymin = 9e9 nv0]05.4
yraymin = 9e9 T' LIrf
xraytot = 0 \[jq4`\$
yraytot = 0 7}vg.hmZ
numray = 0 e0J6Ae4V [
numrayattempt = 0 CE"JS-S?
px = -1 - delta (4\d]*u5-c
label 2 A?`jnRo=\
px = px + delta _L@2_#h!
py = -1 - delta m+#iR}*1L
label 3 z k O<-w
py = py + delta xCYE
B}o9r
rad = px*px + py*py 1!.(4gV
if rad <= 0.9999999 )=-0M9e.{
raytrace hx, hy, px, py X+~ XJ
numrayattempt = numrayattempt+1 _>v<(7
if !rayv(n) **************************** Vo7dAHHL
numray = numray + 1 vmLxkjUm#
x = rayx(n) C#H:-Q&
y = rayy(n) 1*dRK6
if (x < xraymin) then xraymin = x k WNV%RlSx
if (x > xraymax) then xraymax = x XXh6 ^@H=
if (y < yraymin) then yraymin = y (XXheC
if (y > yraymax) then yraymax = y ;s~ X
xraytot = xraytot + x m\ddp _l
yraytot = yraytot + y %/>Y/!;
endif U-:ieao@
endif MNg^]tpf
if py < 1.0 then goto 3 qY >{cjo
if px < 1.0 then goto 2 3L fC {ER
if numray [xT:]Pw}
format 14.8 RGK8'i/X
print " X Centroid = ",xraytot/numray, @]![o %
print " Y Centroid = ",yraytot/numray o}<4*qlI
print " X Middle = ",(xraymax+xraymin)/2, [Tnsr (Z
print " Y Middle = ",(yraymax+yraymin)/2 ?X5]i# j[
format .0 06Gt&_Q
print " ",numray, " out of ", numrayattempt," rays made it through." !o>H1#2l
else >y}M.Mm
print " No rays made it through!" f}L*uw
endif (E,Yo
f=f+1 _ z;q9&J)
if f<= nfld() then goto 1 b9"jtRTdz
print (?H0+zws^
print "All field positions done!" VOr 1
FORMAT 0.1 j+ ^oz' q
print "Elapsed time ", ETIM(), " seconds." 8kbY+W%n
