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············· h&<"jCjL
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macro 正文：········· p27Dc wov
! centroid.zpl v/`D0g-uX)
! Dl;hOHvKk
! Written by Kenneth Moore 9/1/92 4 mX( .6
! Added TIMER function 4/18/96 3Zb%-_%j
! \zO. #H
TIMER &BVHQ7[
! g&Vhu8kNIA
! The delta controls how many rays will be traced. A ]at$ohS
! delta of .025 will trace a 80 x 80 grid in the pupil. uk):z$ x
! Vm[R p, "
delta = .025 @j46Ig4~b
! <XdnVe1
print "This program computes the chief ray coordinates," ,-pE/3|(
print "centroid coordinates, and middle coordinates for" HGQ</5Z
print "the primary wave spot at each field position." B]rdgjz*
maxfield = maxf() }% < ?]
if maxfield == 0 then maxfield = 1 boo361L
n = nsur() e HphM;C
f = 1 D#g -mqar:
label 1 6>vR5 pn
hx = fldx(f)/maxfield 6j%%CWU{~
hy = fldy(f)/maxfield Y+?QHtZL
raytrace hx,hy,0,0 yZleots1
format 10.4 hY"eGaoF"
print &tyS 6S+
print " X Field = ", fldx(f), jl, gqMn"V
print " Y Field = ", fldy(f) n ay\)
print " X Chief = ",rayx(n), p _gN}v
print " Y Chief = ",rayy(n) t 7Q$
xraymax = -9e9 7>Sc f
yraymax = -9e9 q7B5#kb
xraymin = 9e9 /Ew()>Y
yraymin = 9e9 Fy=GU<&AI
xraytot = 0 uzd 7 v,
yraytot = 0 QiPq N$n
numray = 0 e D>b|U=/
numrayattempt = 0 a"#t'\
px = -1 - delta Ua1&eC Zi
label 2 Rh'z;Gyr
px = px + delta L!Jx`zM ^
py = -1 - delta Y+-yIMt$r
label 3 UTA|Ps$
py = py + delta v t
EfH
rad = px*px + py*py JX59n%$@
if rad <= 0.9999999 V3,C5KKk&z
raytrace hx, hy, px, py K;
#FU
numrayattempt = numrayattempt+1 7e<=(\(yl
if !rayv(n) **************************** z|g2Q#$-\S
numray = numray + 1 j=0kxvp
x = rayx(n) 1[egCC\Mo_
y = rayy(n) ]cRvdUGv
if (x < xraymin) then xraymin = x pH' T x>
if (x > xraymax) then xraymax = x uYC^&siS<s
if (y < yraymin) then yraymin = y IFLphm5
if (y > yraymax) then yraymax = y e ,(Vy
xraytot = xraytot + x }QE.|.fA1
yraytot = yraytot + y xQ9t1b|{e
endif (j 8*F Bq
endif Kzev] er
if py < 1.0 then goto 3 _H| )g*]t
if px < 1.0 then goto 2 <J8c dB!e
if numray %NLd"SV
format 14.8 hb[ThQ
print " X Centroid = ",xraytot/numray, u(9pRr
L
print " Y Centroid = ",yraytot/numray }9OMXLbRv
print " X Middle = ",(xraymax+xraymin)/2, v n.5X
print " Y Middle = ",(yraymax+yraymin)/2 R @\fqNq
format .0 1hbQ30
print " ",numray, " out of ", numrayattempt," rays made it through." {|9kn P
else KloX.y)q
print " No rays made it through!" iM .yen_vp
endif U][E`[m#
f=f+1 { 4+/0\
if f<= nfld() then goto 1 MW wqon|
print B> u`%Ry&
print "All field positions done!" -@AhJY.
FORMAT 0.1 3W'fEh5
print "Elapsed time ", ETIM(), " seconds." r/h\>s+N
