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············· mB<*we
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macro 正文：········· {'$+?V"&
! centroid.zpl $Z[W}7{pt#
! 'jj|bN
! Written by Kenneth Moore 9/1/92 t?;\ '
! Added TIMER function 4/18/96 [
F7ru4"{
! $ v0beN6MG
TIMER }`^D O
Ar
! l#cG#-
! The delta controls how many rays will be traced. A o GN *p_g
! delta of .025 will trace a 80 x 80 grid in the pupil. 8c^Hfjr0
! VL 2+"<
delta = .025 G%5ZG$as
! K0C3s
print "This program computes the chief ray coordinates," E2u9>m4_J
print "centroid coordinates, and middle coordinates for" }(/\ vTn*1
print "the primary wave spot at each field position." bK#S xV
maxfield = maxf() ()o[(Hx+ph
if maxfield == 0 then maxfield = 1 $i]G'fj
n = nsur() "'v^X!"
f = 1 uN+]q qCf
label 1 L5 Q^c Y]p
hx = fldx(f)/maxfield +
[ ~)a 4#
hy = fldy(f)/maxfield ~Y 3X*
raytrace hx,hy,0,0 ckdXla
format 10.4 z[+S b;
print $~)YI/b
print " X Field = ", fldx(f), 8~ w P?
print " Y Field = ", fldy(f) =>htX(k}
print " X Chief = ",rayx(n), eI3ZV^_Ps
print " Y Chief = ",rayy(n) P87Lo4R d
xraymax = -9e9 %_%Bb Qf
yraymax = -9e9 O
8XHaVLg3
xraymin = 9e9 iOJ5KXrAO
yraymin = 9e9 W*r1Sy
xraytot = 0 J^y?nE(j
yraytot = 0 yV?qX\~*
numray = 0 0,5)L\{
R
numrayattempt = 0 E4,
J"T|@
px = -1 - delta XJ e}^k
label 2 Z]08gH
px = px + delta Fxv5kho
py = -1 - delta 2Og<e|
label 3 i !;9A6D
py = py + delta u\Y3h:@u
rad = px*px + py*py (z 9 M
if rad <= 0.9999999 zvK'j"Wq=
raytrace hx, hy, px, py L3 0 $
numrayattempt = numrayattempt+1 `!Yd$=*c_&
if !rayv(n) **************************** IxaF *4JG
numray = numray + 1 JA~q}C7A7o
x = rayx(n) 6 u>]-K5
y = rayy(n) DM,)nh6'
if (x < xraymin) then xraymin = x qs!A)H#
if (x > xraymax) then xraymax = x JFFluL=-
if (y < yraymin) then yraymin = y " p]!="\
if (y > yraymax) then yraymax = y spT$}F2n
xraytot = xraytot + x =SD^Jl{H
yraytot = yraytot + y Jq?Fi'2F%
endif 6bN8 }\5
endif gY!?JZC-0
if py < 1.0 then goto 3
JKV&c= I
if px < 1.0 then goto 2 N}>[To3
if numray Xo$SQ0K
format 14.8 fcO |0cQ
print " X Centroid = ",xraytot/numray, 1gQ_76Yck
print " Y Centroid = ",yraytot/numray {kr BAz&
print " X Middle = ",(xraymax+xraymin)/2, +o?;7
print " Y Middle = ",(yraymax+yraymin)/2 z( Z7[#.
format .0 AuT:snC zR
print " ",numray, " out of ", numrayattempt," rays made it through." |A\o
else S)?N6sz%
print " No rays made it through!" 0:`*xix
endif _y&XFdp
f=f+1 u\;d^ A
if f<= nfld() then goto 1 &0i$Y\g
print l <p(zLR
print "All field positions done!" c
h}wXn
FORMAT 0.1 #\
uB!;Q
print "Elapsed time ", ETIM(), " seconds." [bw1!X3
