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············· e p;_'
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macro 正文：········· C
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! centroid.zpl qgU$0enSs
! -` B |$ W
! Written by Kenneth Moore 9/1/92 ) fR'1_
! Added TIMER function 4/18/96 >9|/sH@W
! @QMMtfeLj
TIMER x5 3 aGi|
! z.pP~he
! The delta controls how many rays will be traced. A Xi1/wbC
! delta of .025 will trace a 80 x 80 grid in the pupil. [HK[{M =v=
! ;e_n7>'#%
delta = .025 h 5ST`jZ
! BxO8oKe
print "This program computes the chief ray coordinates," hHdH#-O:4"
print "centroid coordinates, and middle coordinates for" 'z ZN]P
print "the primary wave spot at each field position." #tdI;x3
maxfield = maxf() Jpws1~
if maxfield == 0 then maxfield = 1 2rf-pdOvG
n = nsur() }0|,*BkI
m
f = 1 zD-.bHo>.
label 1 +dk}$w[ g
hx = fldx(f)/maxfield a4L8MgF&$-
hy = fldy(f)/maxfield *^Wx=#w$V
raytrace hx,hy,0,0 ED @9,W0
format 10.4 h O@'WoniW
print 3xh~xE
print " X Field = ", fldx(f), 4l E
j/#}
print " Y Field = ", fldy(f) BYrj#n5
print " X Chief = ",rayx(n), 5R /!e`(m
print " Y Chief = ",rayy(n) q3e %L
xraymax = -9e9 F%t`dz!L
yraymax = -9e9 _CBG?
xraymin = 9e9 *)ZDN~z7o
yraymin = 9e9 R-"A* /A 2
xraytot = 0 : }v&TQ
yraytot = 0 NI \jGR.
numray = 0 Q\Fgc ;.U
numrayattempt = 0 &hEtVkK
px = -1 - delta G0|j 3y9$
label 2 Qq(/TA0$-
px = px + delta xf?*fm?m
py = -1 - delta $3|++?
label 3 1p<m>s=D=e
py = py + delta I8)x 0)Lx
rad = px*px + py*py U|={LU
if rad <= 0.9999999 34Q l7LQp[
raytrace hx, hy, px, py &[}b HX /
numrayattempt = numrayattempt+1 I1S*=^Z_U
if !rayv(n) **************************** 0p :FAvvNI
numray = numray + 1 6SIk?]u
x = rayx(n) )Y+n4UL3NK
y = rayy(n) 8TZNvN4u
if (x < xraymin) then xraymin = x D|@*HX@_Xp
if (x > xraymax) then xraymax = x c=K
. |g,
if (y < yraymin) then yraymin = y +ZEj(fd9
if (y > yraymax) then yraymax = y r1yz ?Y_P
xraytot = xraytot + x J1T_wA_
yraytot = yraytot + y L]3 V)`}
endif F$7>q'#
endif @-Tt<pl'L
if py < 1.0 then goto 3 +*]"Yo~]}
if px < 1.0 then goto 2 V6B`q;lA
if numray UmcP p Z
format 14.8 4R0'$Ld4
print " X Centroid = ",xraytot/numray, %{WS7(si
print " Y Centroid = ",yraytot/numray t23uQR#>b_
print " X Middle = ",(xraymax+xraymin)/2, lO! Yl:;m%
print " Y Middle = ",(yraymax+yraymin)/2 \wEHYz
format .0 Z1
%"w*U
print " ",numray, " out of ", numrayattempt," rays made it through." : a
@_GIC
else z'Atw"kA
print " No rays made it through!" e me7y
endif 9AO`Zk{/Ez
f=f+1 zgXg-cr
if f<= nfld() then goto 1 DJvm wFx
print mZQW>A]iE
print "All field positions done!" |*ss`W7F,2
FORMAT 0.1 ^<4 9NUB>
print "Elapsed time ", ETIM(), " seconds." PTrKnuM\J_
