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············· z^KBV ^n
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macro 正文：········· 6_w~#86=
! centroid.zpl ,k:>Z&:
! T%PUV \LV
! Written by Kenneth Moore 9/1/92 &$pQ Jf
! Added TIMER function 4/18/96 77]Fp(uI
! PC,I"l
TIMER T%TO?[cN
! 8js1m55KT
! The delta controls how many rays will be traced. A
y?*Y=,"
! delta of .025 will trace a 80 x 80 grid in the pupil. }mk z_P(Z
! [;C*9Nl
delta = .025 N40DL_-
! kf' 4C
"}
print "This program computes the chief ray coordinates," QcdAg%"yy
print "centroid coordinates, and middle coordinates for" pe\]}&
print "the primary wave spot at each field position." <{HV|B7
maxfield = maxf() ,G$<J0R1
if maxfield == 0 then maxfield = 1 %:-2P
n = nsur() uH} }z !
f = 1 0bQ"s*K
label 1 99Nm? $ g
hx = fldx(f)/maxfield I^ ``x+a
hy = fldy(f)/maxfield r;zG
raytrace hx,hy,0,0 7*Gg#XQ>(
format 10.4 T' ) l
print FbD9G6h5
print " X Field = ", fldx(f), phcY QqR
print " Y Field = ", fldy(f) N/B-u)?\:
print " X Chief = ",rayx(n), m8 * )@e
print " Y Chief = ",rayy(n) =kW7|c5Z
xraymax = -9e9 [Al} GM
yraymax = -9e9 +39p5O!
xraymin = 9e9 )3!z2f: e
yraymin = 9e9 7Rr
+Uzb(
xraytot = 0 D'_ w
*
yraytot = 0 _$gP -J
numray = 0 yzL6 oU-{&
numrayattempt = 0 Gl >*e|}
px = -1 - delta >s ;dooZ
label 2 Ij7[2V]c
px = px + delta lM%3 ?~?Q&
py = -1 - delta ekSSqj9";
label 3 JHs xaX;c
py = py + delta x? G"58
rad = px*px + py*py -h&KC{Xab
if rad <= 0.9999999 oMb@)7
raytrace hx, hy, px, py WP? AQD
numrayattempt = numrayattempt+1 P?`a{sl.
if !rayv(n) **************************** =zwn3L8 fL
numray = numray + 1 3c[TPD_:
x = rayx(n) bR83N
y = rayy(n) ^" UZ.@sq'
if (x < xraymin) then xraymin = x /V E|F Ts
if (x > xraymax) then xraymax = x 3m/XT"D
if (y < yraymin) then yraymin = y Nb/Z +
if (y > yraymax) then yraymax = y |il P>b
xraytot = xraytot + x 67P@YL
yraytot = yraytot + y Sk%*Zo{|
endif Uizg.<.
endif ^qNr<Ye
if py < 1.0 then goto 3 & ]1 gx#
if px < 1.0 then goto 2 QWAtF@qTV
if numray
D ~t
format 14.8 w@hbY:Z9z
print " X Centroid = ",xraytot/numray, @A8@j%CK1
print " Y Centroid = ",yraytot/numray Y/,Cy0 !
print " X Middle = ",(xraymax+xraymin)/2, v4X)R
"jJ
print " Y Middle = ",(yraymax+yraymin)/2 p2(Z(V7*
format .0 ?%i~~hfH#N
print " ",numray, " out of ", numrayattempt," rays made it through." 9<1 dps=c
else 7toDk$jJRg
print " No rays made it through!" m Bg$eiGTB
endif OCbwV7q:
f=f+1 g3vR\?c`
if f<= nfld() then goto 1 8QFg6#"O
print o9c?)K Q
print "All field positions done!" - ~`)V`@
FORMAT 0.1 %"BJW
print "Elapsed time ", ETIM(), " seconds." %HcCe[d5l
