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/ +~h(Cc
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macro 正文：········· u UjjAGZ
! centroid.zpl &>AwG4HW#j
! O\Huj=
! Written by Kenneth Moore 9/1/92 'u.Dt*.Uq
! Added TIMER function 4/18/96 76D$Nm
! qIJc\,'
TIMER i@9
qp?eb
! YXp\C"~g
! The delta controls how many rays will be traced. A -1 dD~S$
! delta of .025 will trace a 80 x 80 grid in the pupil. 8)S)!2_h
! 7> f2P!:
delta = .025 bhD-;Y!6;
! Gbhw7
(&
print "This program computes the chief ray coordinates," (wL$ h5SG
print "centroid coordinates, and middle coordinates for" \~8W0q.4M
print "the primary wave spot at each field position." W_@ b . 1
maxfield = maxf() u43Mo\"<&%
if maxfield == 0 then maxfield = 1 :WRD<D_4
n = nsur() &S(>L[)9
f = 1 V%4P. y
label 1 waMV6w)<
hx = fldx(f)/maxfield 9"^ib9M
hy = fldy(f)/maxfield [ C EV&B
raytrace hx,hy,0,0 >8/Otg+h
format 10.4 - G>J
print bqH
[-mu6
print " X Field = ", fldx(f), %1TKgNf
print " Y Field = ", fldy(f) mo<*h&;&
print " X Chief = ",rayx(n), rd&d~R 6
print " Y Chief = ",rayy(n) c(1tOQk.
xraymax = -9e9 ~ox}e(x y
yraymax = -9e9 1 )c{;x& W
xraymin = 9e9 29grb P
yraymin = 9e9 _xAru9=n^
xraytot = 0 X_'tgP9
yraytot = 0 }-:B`:K&
numray = 0 (LsVd2AbR
numrayattempt = 0 4Y vz-aSyO
px = -1 - delta 9U ;
label 2 .=YV
px = px + delta z x<t{e7
py = -1 - delta T%.Y so{
label 3 =p@2[Uo
py = py + delta jS]Sa qd
rad = px*px + py*py %!iqJ)*~
if rad <= 0.9999999 9wCgJ$te
raytrace hx, hy, px, py k% \;$u=%
numrayattempt = numrayattempt+1 o`,}b1lh
if !rayv(n) **************************** vKnZ= =B
numray = numray + 1 s:'>G;p
x = rayx(n) WC d: (8B
y = rayy(n) PI L)(%X
if (x < xraymin) then xraymin = x U;3t{~Ym
if (x > xraymax) then xraymax = x 9Avj\G
if (y < yraymin) then yraymin = y *-*V>ntvT$
if (y > yraymax) then yraymax = y xpp nBnu$7
xraytot = xraytot + x Up%XBA
yraytot = yraytot + y Z?S?O#FED
endif bCP2_h3*
endif ,>#\aO1n
if py < 1.0 then goto 3 o,j_eheAM
if px < 1.0 then goto 2 ;m]
n l_vg
if numray 6 v{&, q
format 14.8 hfJ&o7 Dt
print " X Centroid = ",xraytot/numray, \roJf&O }
print " Y Centroid = ",yraytot/numray #SHJ0+)o
print " X Middle = ",(xraymax+xraymin)/2, n]vCvmt
print " Y Middle = ",(yraymax+yraymin)/2 A __ _|
#R
format .0 i9 CQ ~
print " ",numray, " out of ", numrayattempt," rays made it through." 9Zn c|<
else h)s T37
print " No rays made it through!" U$DZht4>u
endif ] UIN4E
f=f+1 v 2rzHzFU
if f<= nfld() then goto 1 FLJ&ZU=s
print :BR_%$
print "All field positions done!" OE[7fDe'
FORMAT 0.1 w8 S
pt
print "Elapsed time ", ETIM(), " seconds." V* JqC
