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············· ^:Vw blv(
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macro 正文：········· \hSOJ,{)U
! centroid.zpl AhOvI {
! >mzK9 6
! Written by Kenneth Moore 9/1/92 o
g.LD7&/
! Added TIMER function 4/18/96 3cK`RM `
! [([?+Ouy
TIMER Pyc/6~ ?
! '+tU8 Pb
! The delta controls how many rays will be traced. A uVJ;1H!
! delta of .025 will trace a 80 x 80 grid in the pupil. g`)2I+L 7
! q=8I0E&q
delta = .025 YKbR#DC\
! SdF*"]t
print "This program computes the chief ray coordinates," 1=C>S2q
print "centroid coordinates, and middle coordinates for" E7E>w#T5
print "the primary wave spot at each field position." |sWH!:]49
maxfield = maxf() Lx &2)
if maxfield == 0 then maxfield = 1 AtNu:U$
n = nsur() <'H^}gQow
f = 1 JCNZtWF
label 1 lUX xpv1m
hx = fldx(f)/maxfield GJW>8*&&(
hy = fldy(f)/maxfield 9H5S@w[je
raytrace hx,hy,0,0 hz8Y2Ew
format 10.4 B9;d X6c
print )]Xj"V2
print " X Field = ", fldx(f), l%h0x*?$
print " Y Field = ", fldy(f) mq@2zE`.(
print " X Chief = ",rayx(n), o $I% 1
print " Y Chief = ",rayy(n) ] Auk5M +
xraymax = -9e9 qG.HJ D
yraymax = -9e9 L1#z'<IO
xraymin = 9e9 :| J' HCth
yraymin = 9e9 H:x=v4NgsU
xraytot = 0 IDbqhZp(
yraytot = 0 `"J=\3->
numray = 0 d[ql7
numrayattempt = 0 =\Td~>
px = -1 - delta mXnl -_
label 2 Q jMH1S
px = px + delta l0Wp%T
py = -1 - delta &i*/}OZz
label 3 H8j#rC#&pm
py = py + delta F"xD^<i
rad = px*px + py*py ]8*#%^
if rad <= 0.9999999 4[t1"s~Wg
raytrace hx, hy, px, py 1au1DvH
numrayattempt = numrayattempt+1 ^`NU:"
if !rayv(n) **************************** Y9fkt g.
numray = numray + 1 nff &~lwhZ
x = rayx(n) .]`L R@qf
y = rayy(n) C*kGB(H 7
if (x < xraymin) then xraymin = x Iy8>9m'5
if (x > xraymax) then xraymax = x Rk8>Ak( /
if (y < yraymin) then yraymin = y 26| 2 r
if (y > yraymax) then yraymax = y o|lEF+
xraytot = xraytot + x s-]k 7a 2V
yraytot = yraytot + y 3uO#/EbS
endif BE/#=$wPjM
endif [xiZkV([
if py < 1.0 then goto 3 U%3d_" {;
if px < 1.0 then goto 2 :eqDE mr>
if numray NqcmjHvy
format 14.8 a]^hcKo4
print " X Centroid = ",xraytot/numray, C=L_@{^Rgb
print " Y Centroid = ",yraytot/numray p$^}g:
print " X Middle = ",(xraymax+xraymin)/2, 1qXqQA
print " Y Middle = ",(yraymax+yraymin)/2 ~[bS+ ]d!
format .0 =pQA!u]QE
print " ",numray, " out of ", numrayattempt," rays made it through." NBzyP)2)
else 1SoKnfz{6
print " No rays made it through!" kylR)
endif 37'@,*m `
f=f+1 ZzET8?8
if f<= nfld() then goto 1 ? r"][<
print iQsv^K!\
print "All field positions done!" %''z~L zJ8
FORMAT 0.1 4Eh 2sI
print "Elapsed time ", ETIM(), " seconds." 6 B
4Sd
