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············· 7l/ZRz }1
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macro 正文：········· mA.,.< xE@
! centroid.zpl { 7DXSe4
! G 0Z5 h
! Written by Kenneth Moore 9/1/92 IS!OO<
! Added TIMER function 4/18/96 NNr6~m)3v
! +w.$"dF!
TIMER n8)&1
q?V
! CV=qcD
! The delta controls how many rays will be traced. A N<b2xT
! delta of .025 will trace a 80 x 80 grid in the pupil. w-R.)
! u23_*W\
delta = .025 zx$1.IM"4
! j[R. UB3J
print "This program computes the chief ray coordinates," V'>P lb.A
print "centroid coordinates, and middle coordinates for"
dG0z A
D
print "the primary wave spot at each field position." cK\
u
maxfield = maxf() PW5)") z
if maxfield == 0 then maxfield = 1 =NY5 5t.
n = nsur() X=1o$:7
f = 1 $mAC8a_Zu
label 1 ' ZI8n MY
hx = fldx(f)/maxfield ?B e}{Qqlg
hy = fldy(f)/maxfield opm _|0
raytrace hx,hy,0,0 & b^~0Z
format 10.4 (K8Ob3zN_
print )=iv3nF?6N
print " X Field = ", fldx(f), ?ZGsh7<k
print " Y Field = ", fldy(f) S2\;\?]^~
print " X Chief = ",rayx(n), QD3tM5(Yr
print " Y Chief = ",rayy(n) +C~d;p
xraymax = -9e9 }
)L z%Z
yraymax = -9e9 Wq+GlB*
xraymin = 9e9 g=t7YQq_~
yraymin = 9e9 q1eMK'1
xraytot = 0 e Csk \f`
yraytot = 0 AIn/v`JeX
numray = 0 ,m]5j _< }
numrayattempt = 0 =9 )k:S(
px = -1 - delta Q 318a0
label 2 V7nOT*N:Q
px = px + delta *-Yw%uR
py = -1 - delta x> ## qYT
label 3 _iq62[i3^
py = py + delta a,S;JF)v
rad = px*px + py*py ,>b>I#{
if rad <= 0.9999999 ti%R E:*
raytrace hx, hy, px, py +e2:? d@
numrayattempt = numrayattempt+1 [(3s5)O
if !rayv(n) **************************** g6lWc@]F
numray = numray + 1 sfr+W-7kx
x = rayx(n) 8V j'&UY
y = rayy(n) 'n-y*f
if (x < xraymin) then xraymin = x v
;}s`P\"
if (x > xraymax) then xraymax = x p)iEwl}!j
if (y < yraymin) then yraymin = y /N_:npbJF
if (y > yraymax) then yraymax = y R Qo
a
xraytot = xraytot + x &R@([=1
yraytot = yraytot + y yCN_vrH>
endif TE+>|}]R
endif `q<W %'Tb$
if py < 1.0 then goto 3 4%ooJi|)
if px < 1.0 then goto 2 a= j'G]=
if numray -c0ypz
format 14.8 lc m [l
print " X Centroid = ",xraytot/numray, `wt so
print " Y Centroid = ",yraytot/numray 1] ~w?)..'
print " X Middle = ",(xraymax+xraymin)/2, 3rKJ<(-2/
print " Y Middle = ",(yraymax+yraymin)/2 J, CwC)
format .0 q {Z#}|km#
print " ",numray, " out of ", numrayattempt," rays made it through." &LAXN k2
else / 'qoKof
print " No rays made it through!" -%yrs6
endif -g2l-N{&
f=f+1 Is7 BJ f
if f<= nfld() then goto 1 I 6f/+;E
print .nrllVG%`
print "All field positions done!" %k1P yv;]
FORMAT 0.1 '{jr9Vh
print "Elapsed time ", ETIM(), " seconds." pCh v;
