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············· !D| pbzQc8
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macro 正文：········· cVv4gQD\
! centroid.zpl '"G
%0y
! g) | ++?
! Written by Kenneth Moore 9/1/92 5;i!PuL
! Added TIMER function 4/18/96 N 4J qW
! dOYm t,
TIMER Ty,)mx){)
! 0;m $ a=
! The delta controls how many rays will be traced. A 4q 2=:"z4
! delta of .025 will trace a 80 x 80 grid in the pupil. 4jyr\=42F'
! \w@_(4")Qb
delta = .025 ;JD3tM<
! M& BM,~
print "This program computes the chief ray coordinates," y ADN_
print "centroid coordinates, and middle coordinates for" ,VcD vZ7
print "the primary wave spot at each field position." Kr}M>hF+|
maxfield = maxf() +8@`lDnr
if maxfield == 0 then maxfield = 1 7AFS)_w
n = nsur() %?9r (&
f = 1 *Yk8Mj^_h
label 1 r{N{! "G
hx = fldx(f)/maxfield =='{[ [J
hy = fldy(f)/maxfield GVHfN5bTqn
raytrace hx,hy,0,0 i4n%EDQ
format 10.4 q MT.7n:
print U(&nh ?
print " X Field = ", fldx(f), K1wN9D{t'
print " Y Field = ", fldy(f) FsPDWy&x
print " X Chief = ",rayx(n), 1j) !d$8
print " Y Chief = ",rayy(n) QGCdeE$K
xraymax = -9e9 J7xT6Q=
yraymax = -9e9 %F]9^C+
xraymin = 9e9 H*
L2gw
yraymin = 9e9 <[B[
xraytot = 0 w)y9!li
yraytot = 0 #* /W!UOu
numray = 0 r/$)c_x`
numrayattempt = 0
I~5fz4Q
px = -1 - delta ^@5ui;JV
label 2 [+cnx21{
px = px + delta _>)"+z^r
py = -1 - delta R&|)y:bg|
label 3 AL$ Ty
py = py + delta dK(%u 9v
rad = px*px + py*py eYSGxc x
if rad <= 0.9999999 ;F]|HD9
raytrace hx, hy, px, py V1b_z
numrayattempt = numrayattempt+1 0<]!G|;|
if !rayv(n) **************************** G mUs U{
numray = numray + 1 YU0HySP:
x = rayx(n) HF =C8ZtlL
y = rayy(n) a4qpn r]0
if (x < xraymin) then xraymin = x 0 N[DV]
if (x > xraymax) then xraymax = x ~JRu M P
if (y < yraymin) then yraymin = y 96E7hp !:
if (y > yraymax) then yraymax = y iF_r'+j
xraytot = xraytot + x D.Cs nfJ
yraytot = yraytot + y c:_i )" :
endif "91At b;hJ
endif h/bYtE
if py < 1.0 then goto 3 ?9okjLp1n
if px < 1.0 then goto 2 <[f2ZS6
if numray -/7=\kao%
format 14.8 ]4Yb$e `
print " X Centroid = ",xraytot/numray, l
\n:" *To
print " Y Centroid = ",yraytot/numray JOne&{h]J"
print " X Middle = ",(xraymax+xraymin)/2, .O-DVW Cm
print " Y Middle = ",(yraymax+yraymin)/2 +PXfr~ 4
format .0 ` xAJy5
print " ",numray, " out of ", numrayattempt," rays made it through." h \cK
else #2'&=?J1r
print " No rays made it through!" w[vIPlSdS
endif * >*/|
f=f+1 Y'%I at(z
if f<= nfld() then goto 1 !J(, M)p!
print
( mD:[|.
print "All field positions done!" Z q>.;>
FORMAT 0.1 U*U )l$!
print "Elapsed time ", ETIM(), " seconds." )w?$~q
