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············· qz] g4hS
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macro 正文：········· Ic,V ,#my
! centroid.zpl rT}k[
! uL K4tQ
! Written by Kenneth Moore 9/1/92
Z'ZN^j{
! Added TIMER function 4/18/96 {B d 0
! "^3pP(8;~
TIMER *(pmFEc
! F/(z3 Kf
! The delta controls how many rays will be traced. A Dg_ AoC
! delta of .025 will trace a 80 x 80 grid in the pupil. omEnIfQSO
! q, ->E<8
delta = .025 y"o@?bny
! g,,'Pdd7Pn
print "This program computes the chief ray coordinates," :t#N.[=&#
print "centroid coordinates, and middle coordinates for" E qc,/
print "the primary wave spot at each field position." z:+fiJB_
maxfield = maxf() M6mJ'Q482
if maxfield == 0 then maxfield = 1 'A}@XGE:p
n = nsur() 'K:zW>l
f = 1 ,%uK^U.zk
label 1 LE1#pB3TG
hx = fldx(f)/maxfield iXJ 3B&x
hy = fldy(f)/maxfield *53@%9 {u
raytrace hx,hy,0,0 ;xKPa6`E
format 10.4 (TjY1,f!H
print %x2_njDd
print " X Field = ", fldx(f), X\y y\`o
print " Y Field = ", fldy(f) /eI]!a
print " X Chief = ",rayx(n), btV
Tt5
print " Y Chief = ",rayy(n) E/6@>.T?'
xraymax = -9e9 rbEUq.Yk]~
yraymax = -9e9 \W',g[Y:
xraymin = 9e9 ~g_]Sskf7
yraymin = 9e9 MkCq$MA
xraytot = 0 [|)Eyd [G
yraytot = 0
8FmRD
numray = 0 A3#^R%2)W
numrayattempt = 0 ZI0C%c.~
px = -1 - delta />EH]-|
label 2 \~O }V ~wE
px = px + delta pFZ2(b&
py = -1 - delta wACx}'+M
label 3 g+xA 0q W
py = py + delta yl#(jb[?1
rad = px*px + py*py l ?AWG &
if rad <= 0.9999999 s?JNc4q
raytrace hx, hy, px, py = DT7]fU
numrayattempt = numrayattempt+1 !RJuH;8
if !rayv(n) **************************** r@XH=[ :
numray = numray + 1 %e71BZo~^s
x = rayx(n) Pl>S1
y = rayy(n) ;Rz+4<
if (x < xraymin) then xraymin = x S5W *,?
if (x > xraymax) then xraymax = x [ ; $(;
if (y < yraymin) then yraymin = y .+'`A"$8
if (y > yraymax) then yraymax = y i r-= @ @
xraytot = xraytot + x wTL& m+xr
yraytot = yraytot + y :+G1=TuXw~
endif l.V{H<v }
endif C|@6rr9TA
if py < 1.0 then goto 3 \}:&Hl+
if px < 1.0 then goto 2 RbY=O OQ
if numray 78iu<L+If
format 14.8 ?(up!3S'x
print " X Centroid = ",xraytot/numray, >A+0"5+_p
print " Y Centroid = ",yraytot/numray ~BS Ip
.
print " X Middle = ",(xraymax+xraymin)/2, e)Be*J]4
print " Y Middle = ",(yraymax+yraymin)/2 @Yv.HhO9
format .0 (.:!_OB0N
print " ",numray, " out of ", numrayattempt," rays made it through." &Ow[
else %9}5~VM"q
print " No rays made it through!" w;LIP!T#
endif fG+/p 0sJ?
f=f+1 SnK#YQCDt
if f<= nfld() then goto 1 KfSI6
Y _
print rW.o_z03^
print "All field positions done!" ) r8yt}
FORMAT 0.1 yJ\K\\]
print "Elapsed time ", ETIM(), " seconds." QO0#p1fom'
