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············· $)i`!7`4=
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macro 正文：········· aF{_"X2
! centroid.zpl *o6}>;
! ^ X =Q{nB
! Written by Kenneth Moore 9/1/92 3db{Tcn\@]
! Added TIMER function 4/18/96 b\k]Jx
! IC `3%^
TIMER #2{-6ey
! IGdiIhH~2
! The delta controls how many rays will be traced. A b$ G {^
! delta of .025 will trace a 80 x 80 grid in the pupil. XH% L]
!
*LT~:Gs#
delta = .025 o>el"0rn.h
! Y[
G_OoU
print "This program computes the chief ray coordinates," ]ss[n.T0*
print "centroid coordinates, and middle coordinates for" Q#bW"},^k
print "the primary wave spot at each field position." 2;}leZ@U
maxfield = maxf() N'Gq9A
if maxfield == 0 then maxfield = 1 h [Tw aR
n = nsur() Njq}M/{U
f = 1 `zd,^.i5~
label 1 |.<_$[v[x
hx = fldx(f)/maxfield (I[_}l
hy = fldy(f)/maxfield a:kAo0@":j
raytrace hx,hy,0,0 *Rgr4-eS
format 10.4 uZqL'l+/y
print vB:\ZX 4
print " X Field = ", fldx(f), jUe@xi s<T
print " Y Field = ", fldy(f) eV;r /4
print " X Chief = ",rayx(n), =C"[o\]VV
print " Y Chief = ",rayy(n) Kkvc Zs'4m
xraymax = -9e9 BZq#OA p
yraymax = -9e9 -^_m(@A<~
xraymin = 9e9 om3
%\
yraymin = 9e9 X+hHE kJ
xraytot = 0 8fC4 j`!
yraytot = 0 n zq
numray = 0 'o AmA=
numrayattempt = 0 ]33!obM
px = -1 - delta t^s&1#iC
label 2 b?H"/Mu.
px = px + delta (lk9](;L
py = -1 - delta *t@A-Sn
label 3 5N U{y+
py = py + delta 2g.lb&3W
rad = px*px + py*py S SK}'LQ
if rad <= 0.9999999 d?,'$$ aB
raytrace hx, hy, px, py wQ_4_W
numrayattempt = numrayattempt+1 c[ dSO(=
if !rayv(n) **************************** N5Js.j>z
numray = numray + 1 /K=OsMl2b8
x = rayx(n) x/|W;8g4
y = rayy(n) 18&" j 8'm
if (x < xraymin) then xraymin = x 'Wlbh:=$
if (x > xraymax) then xraymax = x !fh (k
if (y < yraymin) then yraymin = y F O! Td
if (y > yraymax) then yraymax = y bA;OphO(
xraytot = xraytot + x X! d-"[
yraytot = yraytot + y (gt\R}
endif wu
<0or2
endif _v!7
|&\
if py < 1.0 then goto 3 u3T-U_:jSV
if px < 1.0 then goto 2 .OPknC
if numray Tz
@<hE
format 14.8 RS5<] dy
print " X Centroid = ",xraytot/numray, &@~K8*tmK
print " Y Centroid = ",yraytot/numray Cxf K(F
print " X Middle = ",(xraymax+xraymin)/2, rQ*+
<`R}
print " Y Middle = ",(yraymax+yraymin)/2 M/ 3;-g
format .0 c&[' T+X
print " ",numray, " out of ", numrayattempt," rays made it through." v%tjZ5x
else Y teIp'T
print " No rays made it through!" l6M? [
endif u
I e^Me
f=f+1 u 3WU0Z`
if f<= nfld() then goto 1 w$]G$e
print [2:d@=%.
print "All field positions done!" x Idb9hm<
FORMAT 0.1 G[ 64qhTC
print "Elapsed time ", ETIM(), " seconds." xUJ(tG3
