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············· W>$2 BsO
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macro 正文：········· Uj]Tdg
! centroid.zpl W.u+ R?a=
! rD ^ b{]E3
! Written by Kenneth Moore 9/1/92 2Iv&XxSo
! Added TIMER function 4/18/96 hc#Lni R3$
! & d}1) ?
TIMER X+6`]]
! mm SC0F
! The delta controls how many rays will be traced. A {"f4oK{w
! delta of .025 will trace a 80 x 80 grid in the pupil. S L I(;, s
! $#2zxpr,
delta = .025 vZhC_G+tGd
! MPa F
print "This program computes the chief ray coordinates," v lW521
print "centroid coordinates, and middle coordinates for" 8<0 ~j
print "the primary wave spot at each field position." 1{%3OG^'
maxfield = maxf() \.!+'2!m
if maxfield == 0 then maxfield = 1 :'hc &wk`
n = nsur() C=k]g
f = 1 gl. uDO%.
label 1 *GUQz
hx = fldx(f)/maxfield | R\PQ/)
hy = fldy(f)/maxfield 5t('H`,2
raytrace hx,hy,0,0 R
-#40
format 10.4 lk/T| 0])
print ;iB9\p$K)
print " X Field = ", fldx(f), [Q0n-b,Q
print " Y Field = ", fldy(f) *yX5g,52-|
print " X Chief = ",rayx(n), ,oin<K
print " Y Chief = ",rayy(n) ,$4f#)
xraymax = -9e9 VK)vb.:
yraymax = -9e9 +)J;4B
xraymin = 9e9 z8Vc V*6
yraymin = 9e9 <I
5F@pe'
xraytot = 0
ORCG(N
yraytot = 0 /w|!SZ B
numray = 0 ?ZF ~U
numrayattempt = 0 MP
LgE.n
px = -1 - delta A-6><X's6
label 2 Ka4KsJN
px = px + delta u)X] ]6YJ
py = -1 - delta S1vUP5cZ
label 3 p+.xye U(
py = py + delta r(qw zUI
rad = px*px + py*py qpt},yn)C
if rad <= 0.9999999 A r=P;6J
raytrace hx, hy, px, py .
.5s 2
numrayattempt = numrayattempt+1 J]AkWEiCJ
if !rayv(n) **************************** 59R%g .2Y
numray = numray + 1 \3bT0^7B
x = rayx(n) #TUu k
y = rayy(n) ByU&fx2Z
if (x < xraymin) then xraymin = x fK
4,k:YC
if (x > xraymax) then xraymax = x > r
%:!o
if (y < yraymin) then yraymin = y /l%+ l@
if (y > yraymax) then yraymax = y Jn\@wF9xd
xraytot = xraytot + x 5+Ld1nom
yraytot = yraytot + y r9
5hW
endif f,(@K%
endif E*"-U!?)l2
if py < 1.0 then goto 3 ;t xW\iy%Z
if px < 1.0 then goto 2 8V?*Bz-4`
if numray A BIQi[A
format 14.8 Y2!P!u+Q
print " X Centroid = ",xraytot/numray, \D5_g8m:
print " Y Centroid = ",yraytot/numray ?PSJQ3BC|
print " X Middle = ",(xraymax+xraymin)/2, #qcF2&a%
print " Y Middle = ",(yraymax+yraymin)/2 6uu49x_^L4
format .0 FgnS+c3W(
print " ",numray, " out of ", numrayattempt," rays made it through." s$3WJ'yr
else K%@#a}kRb
print " No rays made it through!" b/]@G05> >
endif .-mlV ^
f=f+1 eZbT;
if f<= nfld() then goto 1 aYmN'
POi
print 9O{b8=\}
print "All field positions done!" 95IR.Qfn!
FORMAT 0.1 rvUJ K,oE
print "Elapsed time ", ETIM(), " seconds." gyT3[*eh
