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············· ;]{ee?Q^ld
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macro 正文：········· EBj^4=b[
! centroid.zpl sV\_DP/l
! j[>cv;h
;
! Written by Kenneth Moore 9/1/92 "y1Iu
! Added TIMER function 4/18/96 j4.wd
RK
! wP!X)p\
TIMER oQ!M+sRmF
! %TB(E<p`
! The delta controls how many rays will be traced. A K\Ea\b [
! delta of .025 will trace a 80 x 80 grid in the pupil. (]|h6aI'}
! 8Zv``t61
delta = .025 _P>YG<*"kQ
! ;_<R +w3-
print "This program computes the chief ray coordinates," @:lM|2:
print "centroid coordinates, and middle coordinates for" ).T&fa"
print "the primary wave spot at each field position." 6TtB3;5
maxfield = maxf() xoaO=7\io
if maxfield == 0 then maxfield = 1 dmFn0J -\
n = nsur() \Wbmmd}8
f = 1 L P<A q
label 1 ?#xl3Z ;I
hx = fldx(f)/maxfield QV;o9j
hy = fldy(f)/maxfield e#"h@kZP
raytrace hx,hy,0,0 ,_[x|8m
format 10.4 $.G 7 Vt
print 1!#85SMx
print " X Field = ", fldx(f), |V9[a a*c
print " Y Field = ", fldy(f) %) ho<z:7U
print " X Chief = ",rayx(n), dG\ wW@}J
print " Y Chief = ",rayy(n) LQ+/|_( .
xraymax = -9e9 `Q] N]mK
yraymax = -9e9 f :c 'j`
xraymin = 9e9 F:{* 4b
yraymin = 9e9 k+<9 4 5kC
xraytot = 0 Hbm 4oYN
yraytot = 0 % fS9F^AK
numray = 0 G7Nw}cVJ)
numrayattempt = 0 {SoI;o_>
px = -1 - delta $=aO*i
label 2 Y\|#Lu>B
px = px + delta lC i{v.
py = -1 - delta =ily=j"hK
label 3 lqzt[z gN
py = py + delta lu8G $EQI
rad = px*px + py*py u9lZHh#V-
if rad <= 0.9999999 b 2gng}
raytrace hx, hy, px, py . "M s7=
numrayattempt = numrayattempt+1 iD^,O)b
if !rayv(n) **************************** _|k$[^ln^
numray = numray + 1 ]
V
D
x = rayx(n) M` MxdwR
y = rayy(n) )rc!irac]
if (x < xraymin) then xraymin = x y^. 66BH
if (x > xraymax) then xraymax = x Epzg|L1)
if (y < yraymin) then yraymin = y "wUIsuG/p
if (y > yraymax) then yraymax = y J<) qw
xraytot = xraytot + x d {z[46>
yraytot = yraytot + y MKK ^-T
endif @s5=6z]=H
endif '&>"`q
if py < 1.0 then goto 3 G0FzXtu)q
if px < 1.0 then goto 2 % rBz A<
if numray %sa?/pjK
format 14.8
#]#9Xq
print " X Centroid = ",xraytot/numray, BN/ 4O?jD9
print " Y Centroid = ",yraytot/numray 6FS%9 .Ws
print " X Middle = ",(xraymax+xraymin)/2, !MbzFs~
print " Y Middle = ",(yraymax+yraymin)/2 qxL\G &~
format .0 sdp&D@
print " ",numray, " out of ", numrayattempt," rays made it through." ?R`S -
else 2TK \pfD
print " No rays made it through!" ffKgVQux
endif 1 ZdB6U0
f=f+1 KE ? t?p
if f<= nfld() then goto 1 %nA})nA7=
print l#)X/(?;
print "All field positions done!" P.~UU S
FORMAT 0.1 6BE,L
print "Elapsed time ", ETIM(), " seconds."
)p& g!qA
