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············· 9gP-//L@
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macro 正文：········· tPu0r],`o
! centroid.zpl b[&A,ZPh$@
! RsV<4$
! Written by Kenneth Moore 9/1/92 n y# ?^.1
! Added TIMER function 4/18/96 W4n;U-Hb
! [vM ksHk4
TIMER 7)&}riQ
! `-a](0Q U
! The delta controls how many rays will be traced. A Q72}V9I9
! delta of .025 will trace a 80 x 80 grid in the pupil. o5=1
! J2A+x \{<
delta = .025 {
FVLH:{U^
! > YP6/w,e
print "This program computes the chief ray coordinates," Hy4c{Ij
print "centroid coordinates, and middle coordinates for" b=nQi./f
print "the primary wave spot at each field position." 6mcxp+lm|
maxfield = maxf() W/03L, 1
if maxfield == 0 then maxfield = 1 =! }n .
n = nsur() h'*>\eC6
f = 1 _$s ;QI]x
label 1 (
R2432R}J
hx = fldx(f)/maxfield /^_~NF#
hy = fldy(f)/maxfield 5G5P#< Vv
raytrace hx,hy,0,0 /.PjHTM<
format 10.4 f#4,2 X f
print "^sh:{
print " X Field = ", fldx(f), SN
w3xO!;&
print " Y Field = ", fldy(f) k?(x}IZdG
print " X Chief = ",rayx(n), F3BWi[Xh
print " Y Chief = ",rayy(n) Td!@i[6%H
xraymax = -9e9 ^{z@=o<o
yraymax = -9e9 VVY#g%(K
xraymin = 9e9 ODS8bD0!i
yraymin = 9e9 kmfz=q?
xraytot = 0 <ezv
yraytot = 0 3FWl_d~uD
numray = 0 0
#*M'C#
numrayattempt = 0 <'s_3A C
px = -1 - delta tE&@U$0>o
label 2 P-B3<~*i!
px = px + delta 21(8/F ~{
py = -1 - delta &.dC%
label 3 "ecG\}R=
py = py + delta o }EipTL
rad = px*px + py*py D@jG+k-Lm
if rad <= 0.9999999 DeqTr:
raytrace hx, hy, px, py }^T7S2_Qy
numrayattempt = numrayattempt+1 w8MQA!=l
if !rayv(n) **************************** 2|="!c8K
numray = numray + 1 8:W," "
x = rayx(n) &yu3nA:7D
y = rayy(n) vTrjhTa\
if (x < xraymin) then xraymin = x $bf&ct*$h
if (x > xraymax) then xraymax = x 4J #F;#iA
if (y < yraymin) then yraymin = y QU` M5{#
if (y > yraymax) then yraymax = y &/%A 9R,
xraytot = xraytot + x W6N3u7m rb
yraytot = yraytot + y DV={bcQ
endif x3 ./
endif m8Wv46%
if py < 1.0 then goto 3 e_eNtVq
if px < 1.0 then goto 2 I ` `S%`h
if numray &Z kY9XO
format 14.8 OR{<)L
print " X Centroid = ",xraytot/numray, kNC.^8ryz[
print " Y Centroid = ",yraytot/numray U< T.o0s=
print " X Middle = ",(xraymax+xraymin)/2, 96L-bBtyY
print " Y Middle = ",(yraymax+yraymin)/2 g43j-[j)
format .0 8KxBN)fO;
print " ",numray, " out of ", numrayattempt," rays made it through." ,'FH[2
else pN\YAc* @:
print " No rays made it through!" )<J|kC\r6c
endif CV9o,rL
f=f+1 HR.^
y$IE
if f<= nfld() then goto 1 :5Y
yI.T
print 7(ni _|$|
print "All field positions done!" E5^P*6c (
FORMAT 0.1 )@vhq Vv?
print "Elapsed time ", ETIM(), " seconds." z%lu%
