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············· .azdAq'r&\
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macro 正文：········· )MW.Y
! centroid.zpl :)?w 2'O
! 0 j4bu}@
! Written by Kenneth Moore 9/1/92 hq$:62NYg
! Added TIMER function 4/18/96 [ZOo%"M _Y
! FrB}2
TIMER >K;p+( <6
! RP z0WP
! The delta controls how many rays will be traced. A O\B_=KWDO
! delta of .025 will trace a 80 x 80 grid in the pupil. XrtB&h|C
! ;VYL7Xu](
delta = .025 ^0A'XCULG
! +;pdG[N
print "This program computes the chief ray coordinates," p@NE^aMn
print "centroid coordinates, and middle coordinates for" nXk<DlTws
print "the primary wave spot at each field position." |z Gwt Z
maxfield = maxf() Nx;U]O6A
if maxfield == 0 then maxfield = 1 xhj
A!\DS
n = nsur() 6#KRI%adw`
f = 1 B.;/N220P
label 1 D*DCMMp=0
hx = fldx(f)/maxfield ;0P2nc:U~
hy = fldy(f)/maxfield 4=>/x90y
raytrace hx,hy,0,0 X9#Od9cNaC
format 10.4 W !2(Ph*
print C8DZ:3E$c
print " X Field = ", fldx(f), I /_`/mQ
print " Y Field = ", fldy(f) H)G ^ Y1
print " X Chief = ",rayx(n), 6#K1LY5 }
print " Y Chief = ",rayy(n) ke2'?,f
xraymax = -9e9 eP a1 @dI
yraymax = -9e9 "<t/*$42
xraymin = 9e9 [>oq~[e)?
yraymin = 9e9 |Ah26<&
xraytot = 0 ;Pnz4Y4|eU
yraytot = 0 C5\bnk{
numray = 0 }rxFX
numrayattempt = 0 /4<eI 3Z
px = -1 - delta smF#'"{
label 2 J} hi)k
px = px + delta Nf%jLK~
py = -1 - delta (Sf P3
label 3 e 9U\48
py = py + delta *Ny^XQ_ X
rad = px*px + py*py Ef;_im
if rad <= 0.9999999 # |
`W ]
raytrace hx, hy, px, py 6cb;iA
numrayattempt = numrayattempt+1 ,i;kAy)
if !rayv(n) **************************** W r );A{
numray = numray + 1 89Svx5S
x = rayx(n) &-470Z%/
y = rayy(n) d>M&jSCL
if (x < xraymin) then xraymin = x :\NqG S=<
if (x > xraymax) then xraymax = x K@Twiw~rB
if (y < yraymin) then yraymin = y cwlXb!S $
if (y > yraymax) then yraymax = y =4/LixsV|
xraytot = xraytot + x P)XkqOGpT9
yraytot = yraytot + y G0^WQ Q4
endif $h`?l$jC(@
endif G9<p Yt{:
if py < 1.0 then goto 3 xO`w| k
if px < 1.0 then goto 2 |qE"60&"}
if numray K M*sLC #
format 14.8 U#gHc:$
print " X Centroid = ",xraytot/numray, _Z~w pO}/
print " Y Centroid = ",yraytot/numray &kB[jz_[A
print " X Middle = ",(xraymax+xraymin)/2, T?I&n[Y|
print " Y Middle = ",(yraymax+yraymin)/2 U59uP
7n
format .0 p4\ %*ovQt
print " ",numray, " out of ", numrayattempt," rays made it through." mR,p?[P
else (d |
print " No rays made it through!" ;``*]tY$
endif 4tz8^z[Kw
f=f+1 =3?t%l;n
if f<= nfld() then goto 1 4NMv 7 [r
print H U-4k/I~
print "All field positions done!" N{IY \/;\
FORMAT 0.1 2T<QG>;)j
print "Elapsed time ", ETIM(), " seconds." !bFa\6]q
