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············· Q7XlFjzcm
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macro 正文：········· 8&UwnEk<
! centroid.zpl !Yu|au
! )A: |8 m
! Written by Kenneth Moore 9/1/92 C, nU.0
! Added TIMER function 4/18/96 #w&N)
c>
! Wtqv
TIMER w~} .c:B
! }WEF *4B!
! The delta controls how many rays will be traced. A tzdh3\6F
! delta of .025 will trace a 80 x 80 grid in the pupil. 41NVF_R6J
! .yb=I6D;<3
delta = .025 ?$Ii _.
! I hPX/P
print "This program computes the chief ray coordinates," )m.U"giG++
print "centroid coordinates, and middle coordinates for" io Jr2wq6
print "the primary wave spot at each field position." zE1=*zO`
maxfield = maxf() gkL{]*9&%
if maxfield == 0 then maxfield = 1 ##|]el%Y
n = nsur() .F m@ OQr
f = 1 =w 2_1F"
label 1 &20}64eW%
hx = fldx(f)/maxfield !\/J| ~XZ
hy = fldy(f)/maxfield ;eT+ Ly|{
raytrace hx,hy,0,0 m$}Jw< .W
format 10.4 zHk7!|%Y
print w ^8i!jCy
print " X Field = ", fldx(f), iuS*Vw
print " Y Field = ", fldy(f) {`=k$1
print " X Chief = ",rayx(n), g<PglRr"
print " Y Chief = ",rayy(n) vbSycZ2M7
xraymax = -9e9 Pj{Y
yraymax = -9e9 x5%x""VEK
xraymin = 9e9 6uKS!\EY|
yraymin = 9e9 raCgctYVq
xraytot = 0 C] >?YR4
yraytot = 0 ~9DD=5\
numray = 0 xDEjeM G
numrayattempt = 0 $#/f+kble
px = -1 - delta L{Kl!
label 2 -&JQdrs
px = px + delta #MAXH7[
py = -1 - delta ?OF9 {$m3?
label 3 ,WQg.neOA
py = py + delta 55Ag<\7
rad = px*px + py*py j-TRa,4bN
if rad <= 0.9999999 aKC,{}f$m
raytrace hx, hy, px, py %hCd*[Z}j
numrayattempt = numrayattempt+1 G*%:"qleT$
if !rayv(n) **************************** (qdvvu #E
numray = numray + 1 @23~)uiZa
x = rayx(n) 5Sx.'o$
y = rayy(n) *:V+whBY
if (x < xraymin) then xraymin = x MkX=34oc^
if (x > xraymax) then xraymax = x }0idFotck
if (y < yraymin) then yraymin = y ]..7t|^b&
if (y > yraymax) then yraymax = y 3H ,?ZFFGz
xraytot = xraytot + x TeNPuY~WP
yraytot = yraytot + y tZan1C%p>
endif R(p3* t&n
endif
M< 'He.n
if py < 1.0 then goto 3 RJ OW#e :
if px < 1.0 then goto 2 5 %RiM|+
if numray \h5!u1{ L
format 14.8 <d~si^*\ch
print " X Centroid = ",xraytot/numray, S<eB&qT$
print " Y Centroid = ",yraytot/numray LsO}a;t5
print " X Middle = ",(xraymax+xraymin)/2, xq<X:\O
print " Y Middle = ",(yraymax+yraymin)/2 s"B2Whe
format .0 h]pz12Yf
print " ",numray, " out of ", numrayattempt," rays made it through." fi [ 4F
else y3OF+; E
print " No rays made it through!" ^MO})C
endif -{A*`.[v
f=f+1 T,h 9xl9i
if f<= nfld() then goto 1 il% u)NN
print M< /
print "All field positions done!" A\<W x/
FORMAT 0.1 OXI>`$we
print "Elapsed time ", ETIM(), " seconds." :*Y2na)qQ
