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············· CQ!D{o=
X}B] 5
macro 正文：········· WDNj 7
! centroid.zpl !UzE&CirV
! H 8HH) ^
! Written by Kenneth Moore 9/1/92 0Cc3NNdz
! Added TIMER function 4/18/96 `c:r`Oi?
! ufR|V-BWx
TIMER q4:zr
! mcwd2)
! The delta controls how many rays will be traced. A li3X }
! delta of .025 will trace a 80 x 80 grid in the pupil. ;zqxDl _
! qA}l[:F+#
delta = .025 T c-fO
/0
! d/NjY[` 5+
print "This program computes the chief ray coordinates," a aVq>$G 3
print "centroid coordinates, and middle coordinates for" i (r Yc
print "the primary wave spot at each field position." .t ^ 1e
maxfield = maxf() :Nz
TEK
if maxfield == 0 then maxfield = 1 Lh+7z>1
n = nsur() HmXxM:[4;
f = 1 OfLj 4H 6Q
label 1 /p-k'387
hx = fldx(f)/maxfield aV f sF|,
hy = fldy(f)/maxfield } %3;j5 ;6
raytrace hx,hy,0,0 o<|u4r={s
format 10.4 B4OFhtYE
print 6hcs )X7m
print " X Field = ", fldx(f), w^~s4Q_>>
print " Y Field = ", fldy(f) m[ S 1
print " X Chief = ",rayx(n), i&HU7mP/
print " Y Chief = ",rayy(n) o &b\bK%E
xraymax = -9e9 0>,i]
|Y
yraymax = -9e9 $y)tcVc
xraymin = 9e9 Jcv p<
yraymin = 9e9 ='#7yVVcs
xraytot = 0 fN`Prs A
yraytot = 0 USE!
numray = 0 (>Sy,
numrayattempt = 0 T+V:vuK
px = -1 - delta 45+kwo0
label 2 hzV%QDUpe
px = px + delta sI)jqHZG
py = -1 - delta & Ai +t2
label 3 j%!xb><
py = py + delta s_u!
RrC
rad = px*px + py*py *eAt '
if rad <= 0.9999999 'mU\X!-
4<
raytrace hx, hy, px, py X?8bb! g%Q
numrayattempt = numrayattempt+1 ZU:c[`
if !rayv(n) **************************** CIR2sr0a
numray = numray + 1 q!d7Ms{q
x = rayx(n) <SRSJJR|(
y = rayy(n) wh]v{Fi'
if (x < xraymin) then xraymin = x <t *3w
if (x > xraymax) then xraymax = x s 4 Uk5<
if (y < yraymin) then yraymin = y 5IG#-Q(6sp
if (y > yraymax) then yraymax = y 6.v)q ,JL
xraytot = xraytot + x \n0Gr\:
yraytot = yraytot + y mqQ//$Y
endif &>@EfW](
endif q_6 <}2m,U
if py < 1.0 then goto 3 (.M &nN'Ce
if px < 1.0 then goto 2 bmC{d
if numray pr"q-S>E
format 14.8 Oi!uJofW
print " X Centroid = ",xraytot/numray, `?"[u" *
print " Y Centroid = ",yraytot/numray -A8CW9|mk
print " X Middle = ",(xraymax+xraymin)/2, h*NBS v n
print " Y Middle = ",(yraymax+yraymin)/2 g dBH\K (\
format .0 oFJx8XU
print " ",numray, " out of ", numrayattempt," rays made it through." S#D6mg$Z,
else jivGkIj!8
print " No rays made it through!" y#{> tC
endif u_)'}
f=f+1 6$+F5T
if f<= nfld() then goto 1 !uHVg(}
print K30{Fcb< h
print "All field positions done!" {Pi ]i?
FORMAT 0.1 ADZU?7)
print "Elapsed time ", ETIM(), " seconds." nrZZk QNI
