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············· HL-zuZa`Ju
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macro 正文：········· E j\EuX
! centroid.zpl u g*#rpb
! ,b ! !h]t
! Written by Kenneth Moore 9/1/92 'w B 6-
! Added TIMER function 4/18/96 `vs=
CYs
! (%*CfR:>
TIMER <$!^LKKzA
! A??(}F L
! The delta controls how many rays will be traced. A QB p`r#{I{
! delta of .025 will trace a 80 x 80 grid in the pupil. MN1
kR
! <8Y;9N|94!
delta = .025 Gh; Ju[6
! 9i4!^DM_
print "This program computes the chief ray coordinates," 3";Rw9
print "centroid coordinates, and middle coordinates for" uJ ;7]
print "the primary wave spot at each field position." Esh3 cn4
maxfield = maxf() S0?4}7`A
if maxfield == 0 then maxfield = 1 C%P)_)- -V
n = nsur() $t.i)wg +
f = 1 Qx{k_ye`
label 1 vowU +Y
hx = fldx(f)/maxfield _cr a_(b
hy = fldy(f)/maxfield PAG.],"D
raytrace hx,hy,0,0 q0|u vt"
format 10.4 ,'[&" Eg
print |tL57Wu93
print " X Field = ", fldx(f), I L d RN
print " Y Field = ", fldy(f) Us4J[MW<
print " X Chief = ",rayx(n), @pq#?
print " Y Chief = ",rayy(n) n^<3E; a
xraymax = -9e9 x;A"S
yraymax = -9e9 E + wd9/;
xraymin = 9e9 3exv k
yraymin = 9e9 +oKp>-
xraytot = 0 1n}q6oa=
yraytot = 0 WmU5YZ(mAq
numray = 0 -< rQOPH %
numrayattempt = 0 |X&.+RI
px = -1 - delta h%'4V<V
label 2 2uonT,W
px = px + delta =@%;6`AVcp
py = -1 - delta N[e QT
label 3 &' ,A2iG
py = py + delta V=yRE
rad = px*px + py*py m\a_0! K
if rad <= 0.9999999 WT(i nf[
raytrace hx, hy, px, py +B^(,qKMN
numrayattempt = numrayattempt+1 Wn;B ~
if !rayv(n) **************************** c2M-/ x- :
numray = numray + 1 {v&c5B~,\
x = rayx(n) @\-i3EhR
y = rayy(n) zh5'oE&[yC
if (x < xraymin) then xraymin = x GA&mM
if (x > xraymax) then xraymax = x ] 3.Un,F
if (y < yraymin) then yraymin = y RQ?T~ASs
if (y > yraymax) then yraymax = y OO%< ~H
xraytot = xraytot + x IT,d (UV_
yraytot = yraytot + y 2+KOUd&jS
endif u`E 24~
endif $*)??uU
if py < 1.0 then goto 3 Y|ON Cc
if px < 1.0 then goto 2 3{e7j6u\
if numray ]RYk Y7>`
format 14.8 5 #jna9Xc
print " X Centroid = ",xraytot/numray, om 3$=
print " Y Centroid = ",yraytot/numray (hywT)#+
print " X Middle = ",(xraymax+xraymin)/2, p^^Ai
print " Y Middle = ",(yraymax+yraymin)/2 s|3@\9\
format .0 YG2rJY +*
print " ",numray, " out of ", numrayattempt," rays made it through." 7%rSo^t,L
else f.f5f%lO~
print " No rays made it through!" $lkd9r1
endif [~&C6pR
f=f+1 g8+w?Zn}
if f<= nfld() then goto 1 F\m
print tCnx:1
print "All field positions done!" ** \B P,]}
FORMAT 0.1 m9*Lo[EXO
print "Elapsed time ", ETIM(), " seconds." oZvQ/|:p!
