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············· '|;X0fD
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macro 正文：········· Vcd.mE(t %
! centroid.zpl Pxn,Qw*
! MO;X>D =
! Written by Kenneth Moore 9/1/92 kq\)MQ"/X
! Added TIMER function 4/18/96 u3Gjg{-N7
! !4] 9!<.k
TIMER dr4Z5mw"E
! zByT$ P-
! The delta controls how many rays will be traced. A kw 2T >
! delta of .025 will trace a 80 x 80 grid in the pupil. }b 1cLchl
! Nn>'^KZNG
delta = .025 F ~ Lx|)0M
! 4Ll o`K4
print "This program computes the chief ray coordinates," " ~TA SX_?
print "centroid coordinates, and middle coordinates for" j*xV!DqC
print "the primary wave spot at each field position." bINvqv0v
maxfield = maxf() =4d (b ;
if maxfield == 0 then maxfield = 1 hsu{ey p
n = nsur() ZiLj=bh
f = 1 J>d .dq>r
label 1 (a9d/3M
hx = fldx(f)/maxfield j ,]Y$B
hy = fldy(f)/maxfield 1CLL%\V
raytrace hx,hy,0,0 fM^[7;]7 e
format 10.4 /VG2.:
print |>@W
]CX[
print " X Field = ", fldx(f), q -8t'7
print " Y Field = ", fldy(f) Z"unF9`"1
print " X Chief = ",rayx(n), ctcS:<r/3@
print " Y Chief = ",rayy(n) .k,YlF vj
xraymax = -9e9 yDNOt C|
yraymax = -9e9 yCCrK@{oo
xraymin = 9e9 FVh U^
yraymin = 9e9 2w F8 P)
xraytot = 0 uw lr9nB
yraytot = 0
}-~l!
numray = 0 dH( ('u[
numrayattempt = 0 <FZ@Q[RP
px = -1 - delta LdJYE;k Ju
label 2 ws4cF
N9P?
px = px + delta arf8xqR-U]
py = -1 - delta q Ww\_S
label 3 |JCU<_<
py = py + delta A_KW(;50
rad = px*px + py*py I}R0q
if rad <= 0.9999999 bV/jfV"%E
raytrace hx, hy, px, py QY= = GfHt
numrayattempt = numrayattempt+1 #c2ymQm
if !rayv(n) **************************** sH\5/'?
numray = numray + 1 Dc)dE2
x = rayx(n) *2jK#9"MP
y = rayy(n) w6j/ Dq!
if (x < xraymin) then xraymin = x DK}"b}Fvq
if (x > xraymax) then xraymax = x 43=,yz2Ef
if (y < yraymin) then yraymin = y U(x]O/m
if (y > yraymax) then yraymax = y 4>J
xraytot = xraytot + x Y".RPiTL
yraytot = yraytot + y
O#I1V K
endif z?35=%~w
endif d ^`?ed\1
if py < 1.0 then goto 3 !W?gR.0$=
if px < 1.0 then goto 2 D_Bb?o5
if numray 5 (A5Y-B
format 14.8 JfPD}w
print " X Centroid = ",xraytot/numray, P9 Z}H( ?C
print " Y Centroid = ",yraytot/numray }\C- }
Q
print " X Middle = ",(xraymax+xraymin)/2, 6^DR0sO
print " Y Middle = ",(yraymax+yraymin)/2 64
5z#_}C$
format .0 MH a#?Q9
print " ",numray, " out of ", numrayattempt," rays made it through." A`R{ m 0A
else ]kboG%Dl?9
print " No rays made it through!" }}<z/zN&^
endif --DoB=5%8
f=f+1 ^b
%0 B
if f<= nfld() then goto 1 xMBaVlEN
print P~ &$l2
print "All field positions done!" Ps<d('=
FORMAT 0.1 n93=8;&
print "Elapsed time ", ETIM(), " seconds." k?7 X3/O
