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············· 7^><Vh"qV
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macro 正文：········· t@!n?j
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! centroid.zpl b`X''6
! e!5} #6Kd
! Written by Kenneth Moore 9/1/92 [v~,|N>w
! Added TIMER function 4/18/96 b,Wm]N
! u%C oo
TIMER #,tT`{u1q
! ?4':~;~
! The delta controls how many rays will be traced. A N|DfE{,
! delta of .025 will trace a 80 x 80 grid in the pupil. H*0Y_H=
! = Pv_,%
delta = .025 hC2Fup1 @
! ~xd?y*gk;
print "This program computes the chief ray coordinates," s#D j>Fej
print "centroid coordinates, and middle coordinates for" Om*QN]lGq
print "the primary wave spot at each field position." wsmgk g
maxfield = maxf() os5$(
if maxfield == 0 then maxfield = 1 *$=i1w
n = nsur() T >8P1p@A,
f = 1 f30 J8n"k
label 1 vK !`#W`X
hx = fldx(f)/maxfield E !!,JnU
hy = fldy(f)/maxfield x^K4&'</
raytrace hx,hy,0,0 %}@iz(*}>
format 10.4 8R*;8y_
print 1gHe$ dzXk
print " X Field = ", fldx(f), F;Q,cg M
print " Y Field = ", fldy(f) _r-LX"
print " X Chief = ",rayx(n), v_XN).f;
print " Y Chief = ",rayy(n) -+E.I*st
xraymax = -9e9 |mt W)
yraymax = -9e9 | In{5E k
xraymin = 9e9 `Na()r$T
yraymin = 9e9 D_lRYLA+
xraytot = 0 b ~zSs ws.
yraytot = 0 `bQ_e Rw}
numray = 0 XmQ ;Roe
numrayattempt = 0 hF$`=hE,F~
px = -1 - delta +0Q
label 2 \dHqCQ
px = px + delta :$D*ab^^P
py = -1 - delta *duG/?>P
label 3 v*.R< - X:
py = py + delta ob>)F^.iS
rad = px*px + py*py Hf('BagBL
if rad <= 0.9999999 hJM& rM7
raytrace hx, hy, px, py 5az%yS
numrayattempt = numrayattempt+1 q=t!COS
if !rayv(n) **************************** kQ>2W5o-d-
numray = numray + 1
Nk9=A4=|
x = rayx(n) eJoM4v
y = rayy(n) `ArUoYb B
if (x < xraymin) then xraymin = x d.+ *o
if (x > xraymax) then xraymax = x 3A,N1 OXG
if (y < yraymin) then yraymin = y -H%v6E%yh
if (y > yraymax) then yraymax = y %gmx47
xraytot = xraytot + x d&^b=d FDu
yraytot = yraytot + y [r`KoHwdm
endif 1]If<
<
endif nZioFE}
if py < 1.0 then goto 3 a*(Zb|g
if px < 1.0 then goto 2 4 $R!)
if numray ?d%)R*3IX
format 14.8 # ksDU
print " X Centroid = ",xraytot/numray, Fu.aV876\f
print " Y Centroid = ",yraytot/numray = b%f@x_U1
print " X Middle = ",(xraymax+xraymin)/2, "]"0d[d
print " Y Middle = ",(yraymax+yraymin)/2 I<QUvs%e
format .0 ] K uM's
print " ",numray, " out of ", numrayattempt," rays made it through." JA4 Zg*7I
else 8sj2@d
print " No rays made it through!" [<=RsD_q~
endif \u dB4 O
f=f+1 Ij(dgY
if f<= nfld() then goto 1 @_`r*Tb)dM
print q.J6'v lj/
print "All field positions done!" 3}}/,pGSc
FORMAT 0.1 <qR$ `mLN
print "Elapsed time ", ETIM(), " seconds." hp)>Nzdx
