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············· ;pU 9ov4)
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macro 正文：········· rMTtPuc2
! centroid.zpl $ZK4Ps -$
! y{?
6U>_
! Written by Kenneth Moore 9/1/92 \'GX ^0yK
! Added TIMER function 4/18/96 cwz
% LKh
! G- Sw`HHo
TIMER TqKL(Qw
E
! wQ2'%T|t
! The delta controls how many rays will be traced. A . m7iXd{
! delta of .025 will trace a 80 x 80 grid in the pupil. udqGa)&0
! h K@1
s
delta = .025 59$mfW
o>
! [bJ"*^M)
print "This program computes the chief ray coordinates," Y%^&aac Z
print "centroid coordinates, and middle coordinates for" WWrD r
print "the primary wave spot at each field position." _&XT
=SW}
maxfield = maxf() >J 3N,f
if maxfield == 0 then maxfield = 1 _:c8YJEG{
n = nsur() w I
#_r_
f = 1 9C-F%te7
label 1 @x tcjB9
hx = fldx(f)/maxfield Vhz?9i6|g^
hy = fldy(f)/maxfield VpWax]'
raytrace hx,hy,0,0 l#~Sh3@L(
format 10.4 ;g^QH r
print ^+mSf`5
print " X Field = ", fldx(f), zXbTpm
print " Y Field = ", fldy(f) @gE
+T37x2
print " X Chief = ",rayx(n), h[C!cX
print " Y Chief = ",rayy(n) qO Zc}J0
xraymax = -9e9 \&2GLBKpe
yraymax = -9e9 ?j ?{} Z
xraymin = 9e9 UG
Fx
yraymin = 9e9 ~)tMR9=wX
xraytot = 0 fR5
N iH
yraytot = 0 G/Kz_Y,
numray = 0 fT[6Cw5w`
numrayattempt = 0 x\3 ` W
px = -1 - delta +SrE
label 2 Gd%6lab
px = px + delta }UXj|SY
py = -1 - delta #n{wK+lz
label 3 15iCJ p
py = py + delta RNRMw ;cT
rad = px*px + py*py .Z8 x!!Q*
if rad <= 0.9999999 : n0(g B
raytrace hx, hy, px, py @`wBe#+\
numrayattempt = numrayattempt+1 .DHZs#R
if !rayv(n) **************************** `Wn0v2@a(~
numray = numray + 1 $w[@L7'(
x = rayx(n) xfkG& &
y = rayy(n) m ~fqZK
if (x < xraymin) then xraymin = x 7 g
if (x > xraymax) then xraymax = x #mk#&i3"k
if (y < yraymin) then yraymin = y +**H7: bO
if (y > yraymax) then yraymax = y 0Hff/~J
xraytot = xraytot + x !ye%A&
yraytot = yraytot + y ;L(W'+
endif Ad@))o2
endif &r~~1BnpHm
if py < 1.0 then goto 3 jt Q2vJ-
if px < 1.0 then goto 2 fR6ot#b
if numray XLqS{r~?
format 14.8 f:Nfw+/q
print " X Centroid = ",xraytot/numray, aNn < NW
print " Y Centroid = ",yraytot/numray L9fhe,en
print " X Middle = ",(xraymax+xraymin)/2, Y8m| f
print " Y Middle = ",(yraymax+yraymin)/2 :/~`"`#1
format .0 %L/Wc,My
print " ",numray, " out of ", numrayattempt," rays made it through." lk6mu
else FxM`$n~K
print " No rays made it through!" *N\U{)b\
endif 9m!4 U2N,s
f=f+1 @,M !&l
if f<= nfld() then goto 1 9S=9m[#y'
print s,K @t_J
print "All field positions done!" ;?= ] ffa{
FORMAT 0.1 1kb?y4xeJ
print "Elapsed time ", ETIM(), " seconds." $o/ ?R]h
