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············· Ae|bAyAK
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macro 正文：········· |[/'W7TV%?
! centroid.zpl X-}]?OOs
! Xn* >q m
! Written by Kenneth Moore 9/1/92 IXof- I%8
! Added TIMER function 4/18/96 =}m'qy
! ve@E.`
TIMER 1y7FvD~ v
! C[Nh>V7=
! The delta controls how many rays will be traced. A Fd1 jElt
! delta of .025 will trace a 80 x 80 grid in the pupil. MKZq*
! :BpXi|n;
delta = .025 NNn sq@?6
! /j;HM[
print "This program computes the chief ray coordinates," #55_hY#
print "centroid coordinates, and middle coordinates for" !G~`5?CvE
print "the primary wave spot at each field position." EVW\Z 2N.
maxfield = maxf() *TC#|5
if maxfield == 0 then maxfield = 1 F@rx/3
[
n = nsur() xa$4P [
f = 1 S- JD}+ 9
label 1 9/$Cq
hx = fldx(f)/maxfield !]2`dp\!
hy = fldy(f)/maxfield rYPj3!#
raytrace hx,hy,0,0 f=T &$tZ<
format 10.4 0q _?<v_ 1
print {I]>!V0j!
print " X Field = ", fldx(f), @ *n oma
print " Y Field = ", fldy(f) Z^6qx ZJ7
print " X Chief = ",rayx(n), KkyZd9
print " Y Chief = ",rayy(n) VJOB+CKE
xraymax = -9e9 uh&Qdy!I
yraymax = -9e9 Q 1[E iM3
xraymin = 9e9 (\M+E
tU<9
yraymin = 9e9 buA/G-<e
xraytot = 0 AGK{t+`
yraytot = 0 dr^MW?{ a\
numray = 0 yt1dYF0Xq
numrayattempt = 0 *IIuGtS
px = -1 - delta ~en' E
label 2 cd]def[d
px = px + delta *Z2#U ?_
py = -1 - delta @H61 ^K<
label 3 @
GXi{9
py = py + delta )W |_f
rad = px*px + py*py #y*p7~|@
if rad <= 0.9999999 SshjUNx
raytrace hx, hy, px, py ~ As_O6JI
numrayattempt = numrayattempt+1 O>[B"mM t
if !rayv(n) **************************** `P?!2\/
numray = numray + 1 Hk@LHC
x = rayx(n) ? $~5ti#\
y = rayy(n) oL
-udH
if (x < xraymin) then xraymin = x * \%b1
if (x > xraymax) then xraymax = x w 3$9
if (y < yraymin) then yraymin = y
A}G >JL
if (y > yraymax) then yraymax = y a}V<CBi
xraytot = xraytot + x !a^'J bb
yraytot = yraytot + y 'DT q<`~?
endif h=ben&m
endif } bm ^`QY
if py < 1.0 then goto 3 /5m ~t.Z9M
if px < 1.0 then goto 2 _ pO1XM
if numray wkKSL
format 14.8 A?" / >LM
print " X Centroid = ",xraytot/numray, q*7: L
print " Y Centroid = ",yraytot/numray g<^-[w4/
print " X Middle = ",(xraymax+xraymin)/2, Y}
cr E/
print " Y Middle = ",(yraymax+yraymin)/2 (x140_TH~
format .0 %6E:SI 4
print " ",numray, " out of ", numrayattempt," rays made it through." 8XD_p);Oy
else :&BE-f
print " No rays made it through!" <8BN qbX
endif lt& c/xi_
f=f+1 gfQ1p ?
if f<= nfld() then goto 1 \T {<{<n
print :|\)=4
print "All field positions done!" ][B>`gC-
FORMAT 0.1 a \tv,Lx
print "Elapsed time ", ETIM(), " seconds." _[,7DA.qc
