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············· G, ]z (%
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macro 正文：········· ~T 02._E
! centroid.zpl Pu..NPl+
! "R23Pi
! Written by Kenneth Moore 9/1/92 @0|nq 9l1
! Added TIMER function 4/18/96 <1
S+ '
! j7}lF?cJ2
TIMER D^u\l
! q!&B6]
! The delta controls how many rays will be traced. A V9 T
4 +
! delta of .025 will trace a 80 x 80 grid in the pupil. 4 [1 k\
! !!WJ n}
delta = .025 ra:GzkIw
! I 8k
print "This program computes the chief ray coordinates," -L8Y J8J6
print "centroid coordinates, and middle coordinates for" c|lU(Tf
print "the primary wave spot at each field position." `VZZ^K9zR
maxfield = maxf()
RL*]g*
if maxfield == 0 then maxfield = 1 \5hw9T&[B
n = nsur() # h N.=~
f = 1 ]G*$W+G]
label 1 skR,-:"8
hx = fldx(f)/maxfield ]_u`EvEx6
hy = fldy(f)/maxfield 2ce 'fMV
raytrace hx,hy,0,0 g\&2s,
format 10.4 ,d cg?48
print X2^_~<I{,
print " X Field = ", fldx(f), Nd!c2`
print " Y Field = ", fldy(f) *H" aOT^{
print " X Chief = ",rayx(n), 1Nj=B_T
print " Y Chief = ",rayy(n) fa{@$ppx
xraymax = -9e9 [))JX"a
yraymax = -9e9 R hio7C
xraymin = 9e9 O>AFF@=
yraymin = 9e9 H) 5Qq Z8
xraytot = 0 =/9<(Tt %m
yraytot = 0 o1k#."wHr
numray = 0 KO&:06V{
numrayattempt = 0 -~O/NX
px = -1 - delta W-XpJ\_
label 2 P}@*Z>j:#
px = px + delta &@6 GI<
py = -1 - delta XG&K32_fs
label 3 El
(/em
py = py + delta t',BI
rad = px*px + py*py "PzP; Br
if rad <= 0.9999999 iBoEZEHjw
raytrace hx, hy, px, py g 1@w f
numrayattempt = numrayattempt+1 *1bz g/T<
if !rayv(n) **************************** s .:r;%a
numray = numray + 1 s;1e0n
x = rayx(n) cPuHLwwYf
y = rayy(n) _{Y$o'*#I
if (x < xraymin) then xraymin = x _~A~+S}
if (x > xraymax) then xraymax = x 9m8ee& ,
if (y < yraymin) then yraymin = y ? ) _7U
if (y > yraymax) then yraymax = y 0 d4cE10
xraytot = xraytot + x G{o+R]Us
yraytot = yraytot + y j=ihbR^]Tl
endif N9]xJgTze
endif A[H;WK n0
if py < 1.0 then goto 3 3LW[H +k
if px < 1.0 then goto 2 -H\,2FO
if numray ]l[2hy=
cV
format 14.8 +'XhC#:
print " X Centroid = ",xraytot/numray, hYb9`0G"2
print " Y Centroid = ",yraytot/numray IN^_BKQt
print " X Middle = ",(xraymax+xraymin)/2, F=}Z51|:~
print " Y Middle = ",(yraymax+yraymin)/2 |sc Uo~
format .0 nwf7M# 3d
print " ",numray, " out of ", numrayattempt," rays made it through." {?i) K X^
else
YqU/\f+
print " No rays made it through!" D9-Lg%
endif 2-v \3voN
f=f+1 ><Uk*m wL
if f<= nfld() then goto 1 ]k*1KP
print p)/
p!d[T/
print "All field positions done!" )N7n,_#T>
FORMAT 0.1 <Tx C!{<
print "Elapsed time ", ETIM(), " seconds." 2U9&l1P=
