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············· JhJLqb@q
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macro 正文：········· 2( _= SfQ
! centroid.zpl ul=7> ";=|
! -dG,*0 >
! Written by Kenneth Moore 9/1/92 3~<}bee5|q
! Added TIMER function 4/18/96 1`QsW&9=b
! "H?QqrKx
TIMER (u9Zk~)F
! a_{ 6Qdl
! The delta controls how many rays will be traced. A : ,^ >d3k
! delta of .025 will trace a 80 x 80 grid in the pupil. N~| t!G*9
! \8>oJR 6
delta = .025 ;UpJ =?W
! )x[HuIRaa
print "This program computes the chief ray coordinates," nB&j
print "centroid coordinates, and middle coordinates for" hf v%,,e
print "the primary wave spot at each field position." 7w i%j!
maxfield = maxf() "Yb y
if maxfield == 0 then maxfield = 1 8(Fu
n = nsur() ,E9d\+j
f = 1 Jn#K0( FQ
label 1 Hm4 bN \%
hx = fldx(f)/maxfield P#*n3&Uu
hy = fldy(f)/maxfield Ia7D F '
raytrace hx,hy,0,0 Gkmsaf>
format 10.4 `)tA
YH
print H#Q;"r 3
print " X Field = ", fldx(f), hy!6g n
print " Y Field = ", fldy(f) rN#\AN
print " X Chief = ",rayx(n), agT7=hX].
print " Y Chief = ",rayy(n) x5F@ad 9
xraymax = -9e9 ,C:o`fQ\
yraymax = -9e9 $20s]ywS
xraymin = 9e9 &O*ENpF
yraymin = 9e9 eEP(
).
xraytot = 0 s#P:6]Ar
yraytot = 0 -l[jEJS}
numray = 0 iaRR5D-
numrayattempt = 0 M5O'=\+,F
px = -1 - delta K(3&27sGN
label 2 :\bfGSD/gd
px = px + delta O^N P0E
py = -1 - delta )E-E0Hl>7
label 3 _z]v<,=3M
py = py + delta }p{;^B
rad = px*px + py*py Bc[6*Y,%T
if rad <= 0.9999999 e1 uM R-Q
raytrace hx, hy, px, py c[:Wf<% |
numrayattempt = numrayattempt+1 5#!ogKQ(i
if !rayv(n) **************************** RJPcn)@l
numray = numray + 1 &^+3er rO
x = rayx(n) WHk/$7_"i
y = rayy(n) VDa|U9N
if (x < xraymin) then xraymin = x |D<+X^0'
if (x > xraymax) then xraymax = x sg$4G:l
if (y < yraymin) then yraymin = y KZ
)Ys
if (y > yraymax) then yraymax = y n$W"=Z;`
xraytot = xraytot + x xlw 2g<s
yraytot = yraytot + y 0 '@u !m?
endif 1ktHN: ta
endif v.b5iv 5
if py < 1.0 then goto 3 L#ZLawG
if px < 1.0 then goto 2 Q!]IG;3Sx|
if numray 1i+FL''
format 14.8 WW6yFriuW
print " X Centroid = ",xraytot/numray, p Yh!]0n
print " Y Centroid = ",yraytot/numray m}pL`:e!
print " X Middle = ",(xraymax+xraymin)/2, M j' lASI
print " Y Middle = ",(yraymax+yraymin)/2 Q c3?}os2
format .0 X HQh4W3
print " ",numray, " out of ", numrayattempt," rays made it through." G_+Ph^
else !.X _/$c
print " No rays made it through!" # TATqzA
endif e?= elN
f=f+1 v
F[CWV.
if f<= nfld() then goto 1 Pw
xIz
print ]#5^&w)'
print "All field positions done!" -#%X3F7/w
FORMAT 0.1 $m8leuo)
print "Elapsed time ", ETIM(), " seconds." 8 }z3CuM
