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············· 5ho!}K
PAD&sTjE*
macro 正文：········· N({0" 7
! centroid.zpl X_HU?Q_N
! 6N\f>c
! Written by Kenneth Moore 9/1/92 F:~k4uTW\b
! Added TIMER function 4/18/96 1[]
9EJ
! W?H-Ng3E
TIMER 2#81oz&K
! u> @@
! The delta controls how many rays will be traced. A <D`VFSEJ
! delta of .025 will trace a 80 x 80 grid in the pupil. m Yx6JU*`
! 4e20\q_{
delta = .025 t) uS7y
! d~abWBgC`
print "This program computes the chief ray coordinates," L#k`>Qn2
print "centroid coordinates, and middle coordinates for" 7lUnqX.
print "the primary wave spot at each field position." _uL8TC ^
maxfield = maxf() w#
R0QF
if maxfield == 0 then maxfield = 1 yedEI[_4
n = nsur() S*l=FRFI
f = 1 #O1%k;BL
label 1 d y. U;
hx = fldx(f)/maxfield DCP
B9:u
hy = fldy(f)/maxfield {i"t h(J$
raytrace hx,hy,0,0 3D-VePM=`
format 10.4 XXg~eu?
print fB= j51Lw
print " X Field = ", fldx(f), M@]@1Q.p
print " Y Field = ", fldy(f) PfN[)s4F{R
print " X Chief = ",rayx(n), q[TGEgG
print " Y Chief = ",rayy(n) d3;Sy`.
xraymax = -9e9 !g[UFw
yraymax = -9e9 TCI)L}L|
xraymin = 9e9 0 6]%$ -j
yraymin = 9e9 fq?MnW c
xraytot = 0 \AOHZ r
yraytot = 0 G'T: l("l
numray = 0 Z,I0<ecaD
numrayattempt = 0 LEd@""h
px = -1 - delta '/F%
ff
label 2 }X9G(`N(}
px = px + delta W` F?j-4
py = -1 - delta }B`T%(11=
label 3 r7+Ytr
py = py + delta 9jI5bi)
rad = px*px + py*py HhB& vi
if rad <= 0.9999999 R4%}IT^%P
raytrace hx, hy, px, py D[0g0>K
numrayattempt = numrayattempt+1 !BDJU
if !rayv(n) **************************** =X3Rk)2r
numray = numray + 1 ~o27~R ]
x = rayx(n) B-oQjr-
y = rayy(n) G2yQHTbl
if (x < xraymin) then xraymin = x M*Ri1
if (x > xraymax) then xraymax = x avb'dx *q>
if (y < yraymin) then yraymin = y } k0B
if (y > yraymax) then yraymax = y %9OVw #P
xraytot = xraytot + x 1StaQUB
yraytot = yraytot + y \:jJ{bl^A
endif dmYgv^t
endif H`OJN .
if py < 1.0 then goto 3 <O3,b:vw
if px < 1.0 then goto 2 i4\DSQJ
if numray \ZtF,`Z
format 14.8 '3]M1EP
print " X Centroid = ",xraytot/numray, !'(QF9%Q
print " Y Centroid = ",yraytot/numray lZJbQ=K{
print " X Middle = ",(xraymax+xraymin)/2, /DX6Hkkj %
print " Y Middle = ",(yraymax+yraymin)/2 @n;$Edza/
format .0 RA*W Ys&xb
print " ",numray, " out of ", numrayattempt," rays made it through." t_hr$ {
else .zo>,*:t
print " No rays made it through!" o)+Uyl
endif aucG|}B
f=f+1
Xz!O }M{4
if f<= nfld() then goto 1 C/ENJ&
print H{g&yo
print "All field positions done!" s
>7(S%#N
FORMAT 0.1 IzlmcP 3
print "Elapsed time ", ETIM(), " seconds." m`xzvg
