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············· K5 Z'kkOk
t{O2JF#5u
macro 正文：········· Bo ofJ m
! centroid.zpl /;`-[
! 5 c1{[
! Written by Kenneth Moore 9/1/92 `A$zLqz)Vm
! Added TIMER function 4/18/96 +,J!xy+~,
! K&up1nZ@(
TIMER y>&
s;
! Duq.`XO
! The delta controls how many rays will be traced. A YRU#/ TP
! delta of .025 will trace a 80 x 80 grid in the pupil. S~V?Qe@&Z
! 8 )= "Ee
delta = .025 J:0`* 7
! _nec6=S6(
print "This program computes the chief ray coordinates," [~k!wipK
print "centroid coordinates, and middle coordinates for" 2 5I a
print "the primary wave spot at each field position." >(a[b@ [K
maxfield = maxf() tTPjCl
if maxfield == 0 then maxfield = 1 g ]U! ]
n = nsur() goc"+ K
f = 1 +g% Ah
label 1 / }=cv>S5V
hx = fldx(f)/maxfield S{zl <>+
hy = fldy(f)/maxfield JjQ9AJ?-V
raytrace hx,hy,0,0 H' x_}y
format 10.4 ]9~6lx3/
print aV G4D f
print " X Field = ", fldx(f), x_#'6H\1ga
print " Y Field = ", fldy(f) %R?#Y1Tq;
print " X Chief = ",rayx(n), eKL3Y_5p@
print " Y Chief = ",rayy(n) >/y+;<MZ
xraymax = -9e9 K<f B]44Y
yraymax = -9e9 iH)-8Q
xraymin = 9e9 ;D}E/' =
yraymin = 9e9 X,`e1nsR
xraytot = 0 lfte
yraytot = 0 IvM>z 03
numray = 0 E*8).'S%k
numrayattempt = 0 !6eF8T
px = -1 - delta Pi=B\=gs
label 2 Z)G@ahO Q
px = px + delta y-o54e$4Cq
py = -1 - delta <Y ^)/ s
label 3 EN)0b, ax
py = py + delta x d^9R<
rad = px*px + py*py U Kf0cU
if rad <= 0.9999999 3=IY0Q>/(
raytrace hx, hy, px, py N683!wNX
numrayattempt = numrayattempt+1 F "t.ND
if !rayv(n) **************************** Ky)*6QOw
numray = numray + 1 Hq "l`
x = rayx(n) h2vD*W
y = rayy(n) B q7Qbj
if (x < xraymin) then xraymin = x K7]QgfpSZ
if (x > xraymax) then xraymax = x }&LL o
if (y < yraymin) then yraymin = y 2~QN#u|UC3
if (y > yraymax) then yraymax = y ,5P
tB]8&3
xraytot = xraytot + x pSS8 %r%S'
yraytot = yraytot + y L+NrU+:=C
endif LRv[,]b
endif S &F
if py < 1.0 then goto 3 '<&rMn
if px < 1.0 then goto 2 N
m@UM*D
if numray
@xN)mi
format 14.8 >jpk R
print " X Centroid = ",xraytot/numray, z460a[Wl
print " Y Centroid = ",yraytot/numray l6< bV#_qe
print " X Middle = ",(xraymax+xraymin)/2, 9v(k<('_
print " Y Middle = ",(yraymax+yraymin)/2 X> ck.}F
format .0 ]McDN [h:
print " ",numray, " out of ", numrayattempt," rays made it through." 6|]e}I@<2
else Ogp@!
print " No rays made it through!" p/'09FY+ U
endif p=] z`t
f=f+1 7kh(WtUz
if f<= nfld() then goto 1 y/!jC]!+c
print j~k+d$a
print "All field positions done!" L ] !M1\
FORMAT 0.1 0Y9fK? (
print "Elapsed time ", ETIM(), " seconds." I'%ASZ
