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············· rl](0"Y0
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macro 正文：·········
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! centroid.zpl {:c5/
,7c;
! ,ft KRq
! Written by Kenneth Moore 9/1/92 5? 1:RE(1
! Added TIMER function 4/18/96 K)F6T vWv
! % * Lv
TIMER ) i=.x+Q
! i5jsM\ 1j
! The delta controls how many rays will be traced. A &Z 6s\r %
! delta of .025 will trace a 80 x 80 grid in the pupil. 6 ly`lu9
! L/2,r*LNx$
delta = .025 qv.s -@l8
! Ni-@El99
print "This program computes the chief ray coordinates," &-h Xk!A
print "centroid coordinates, and middle coordinates for" fu $<*Sa2
print "the primary wave spot at each field position." .FpeVjR''
maxfield = maxf() 8a3h)R
if maxfield == 0 then maxfield = 1 EK$ 3T5e
n = nsur() /V$U%0
f = 1 9B?-&t
label 1 gis;)al
hx = fldx(f)/maxfield zX}t1:nc
hy = fldy(f)/maxfield B6xM #)
raytrace hx,hy,0,0 Z=j6c"
format 10.4 jPa"|9A
print |!E: [UH
print " X Field = ", fldx(f), _mc- CZ
print " Y Field = ", fldy(f) u@pimRVo
print " X Chief = ",rayx(n), I> BGp4 AQ
print " Y Chief = ",rayy(n) Lv m"!!
xraymax = -9e9 =a^}]k}
yraymax = -9e9 6,a:s:$>}R
xraymin = 9e9
aK33bn'j
yraymin = 9e9 z^^)n
xraytot = 0 Z]qbLxJV
yraytot = 0 G[$g- NU+
numray = 0 :kQyd CuK
numrayattempt = 0 f O ,5
u;
px = -1 - delta N`et]'_A}
label 2 ;9$7 1E
px = px + delta '|^x[8^
py = -1 - delta k{ ~0BK
label 3 ]I'dnd 3e
py = py + delta Cd2A&RB
rad = px*px + py*py +o-jMvK9
if rad <= 0.9999999 7m:ZG
raytrace hx, hy, px, py 'M!M$<j
numrayattempt = numrayattempt+1 T7~H|%
if !rayv(n) **************************** mLm?yb:
numray = numray + 1 )9i$ 1 "a(
x = rayx(n) }\0ei(%H
y = rayy(n) *WaqNMD[%
if (x < xraymin) then xraymin = x qs Wy
<yL+
if (x > xraymax) then xraymax = x LY;Fjb yU
if (y < yraymin) then yraymin = y ->L> `<7(
if (y > yraymax) then yraymax = y e2qSU[
xraytot = xraytot + x +h08uo5 c
yraytot = yraytot + y a'Yi^;2+\
endif Q>(a JF
endif y #zO1Nig`
if py < 1.0 then goto 3 7!Qu+R
if px < 1.0 then goto 2 i93 6+[
if numray @2g
<d
format 14.8 S#:l17e3
print " X Centroid = ",xraytot/numray, \zKO5,qw
print " Y Centroid = ",yraytot/numray ;2 P
print " X Middle = ",(xraymax+xraymin)/2, CorV!H4
print " Y Middle = ",(yraymax+yraymin)/2 7YFEyX10d
format .0 7@
\:l~{
print " ",numray, " out of ", numrayattempt," rays made it through." )$ M2+_c
else %
:h %i|
print " No rays made it through!" 10_# Z~aU
endif 1Li*n6tLX`
f=f+1 $b(CN +#
if f<= nfld() then goto 1 y*%uGG5
print Ad&VOh+0
print "All field positions done!" !_P&SmK3
FORMAT 0.1 N "} N>xe2
print "Elapsed time ", ETIM(), " seconds." A `{hKS
