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············· $QB/n63
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macro 正文：········· HP2J`> oo
! centroid.zpl X([p0W
9V(
! L~|_C Rw
! Written by Kenneth Moore 9/1/92 *!m(oP
! Added TIMER function 4/18/96 V
0z`p"
! 8 @A}.:
TIMER Ym|%ka
! GW,RE\Q:
! The delta controls how many rays will be traced. A /^hc8X
! delta of .025 will trace a 80 x 80 grid in the pupil. jT=fq'RK
! Xb2.t^
]f
delta = .025 TY;%nT
! _|VF^\i
print "This program computes the chief ray coordinates," %Hu?syo
print "centroid coordinates, and middle coordinates for" ex6 QHUQ
print "the primary wave spot at each field position." F4DJML-(
maxfield = maxf() ,{2= nb[
if maxfield == 0 then maxfield = 1 QERj`/g
n = nsur() ;u;_ \k<qK
f = 1 9%Qlg4~<s
label 1 :Lu 9w0>f
hx = fldx(f)/maxfield F4PW L|1
hy = fldy(f)/maxfield V@o#" gZ
raytrace hx,hy,0,0 (lg~}Jwq
format 10.4 `z$=J"%? y
print bXi(]5
print " X Field = ", fldx(f), 3/V0w|ZgD
print " Y Field = ", fldy(f) >!MRk[@
V-
print " X Chief = ",rayx(n), H5Bh?mw2
print " Y Chief = ",rayy(n) 9m%2&fjK^
xraymax = -9e9 %l[]n;*$
yraymax = -9e9 c2Wp 8l
xraymin = 9e9 tUi@'%> =5
yraymin = 9e9 L$6W, D
xraytot = 0 u0F{.fe
yraytot = 0 KAg-M#
numray = 0 \+j:d9?
numrayattempt = 0 mO2u9?N
px = -1 - delta Ug )eyu
label 2 apj oIO-<
px = px + delta S!66t?vHB
py = -1 - delta <:4b4Nl
label 3 9Ed=`c
py = py + delta ~ S\,
rad = px*px + py*py ny:/a
if rad <= 0.9999999 e$7KMH=
raytrace hx, hy, px, py *alifdp
numrayattempt = numrayattempt+1 o .( Gja4
if !rayv(n) **************************** p
z\8Bp}yo
numray = numray + 1 HCT+.n6
x = rayx(n) c#-*]6x
y = rayy(n) j'`-3<k
if (x < xraymin) then xraymin = x UCj{
&
if (x > xraymax) then xraymax = x Jl<pWjkZZ
if (y < yraymin) then yraymin = y ,P%i%YPj
if (y > yraymax) then yraymax = y NMS+' GRW
xraytot = xraytot + x pS2u&Y"u|
yraytot = yraytot + y ;3X Ok+
endif i.{.koH<
endif 2~R%_r+<
if py < 1.0 then goto 3 '61>.u:2
if px < 1.0 then goto 2 4~1lP&
if numray aNBwb9X
format 14.8 |w{C!Q 8l
print " X Centroid = ",xraytot/numray, |K" nSXzk
print " Y Centroid = ",yraytot/numray W ", yq|
print " X Middle = ",(xraymax+xraymin)/2, B(f_~ ]
print " Y Middle = ",(yraymax+yraymin)/2 ]=PkgOJD
format .0 v
6s]X*l?
print " ",numray, " out of ", numrayattempt," rays made it through." -A@/ cS%p
else TKQ^D
print " No rays made it through!" nok-![
endif @}2EEo#
f=f+1 >pp#>{}
if f<= nfld() then goto 1 -@ra~li,yQ
print r'4Dj&9Ac
print "All field positions done!" |h&Z.
FORMAT 0.1 |*^}e54
print "Elapsed time ", ETIM(), " seconds." BS
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