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············· {o~TbnC
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macro 正文:········· A4zI1QF
! centroid.zpl pS$9mzY
! }u8(7
! Written by Kenneth Moore 9/1/92 ,5W7a
! Added TIMER function 4/18/96 J4+K)gWB
! ;"M6}5dQ4
TIMER _d 6'f8[&
! CcQc!`YC
! The delta controls how many rays will be traced. A y i$+rPF1
! delta of .025 will trace a 80 x 80 grid in the pupil. ?^U? ua6
! m!ZY]:)$
delta = .025 2E1`r@L
! J%?5d:iN+
print "This program computes the chief ray coordinates," 8KJUC&`
print "centroid coordinates, and middle coordinates for" I8XP`Ccq
print "the primary wave spot at each field position."
E0!d c
maxfield = maxf() )K[\j?
if maxfield == 0 then maxfield = 1 ,sitO y}ks
n = nsur() A:m+v{*`4
f = 1 nP%U<$,+
label 1 xt}.0dC!/%
hx = fldx(f)/maxfield LG8h@HY&L
hy = fldy(f)/maxfield Jg$<2CR&
raytrace hx,hy,0,0 #LR4%}mg
format 10.4 ),yar9C
print
{&+M.Xn
print " X Field = ", fldx(f), .2&L.
print " Y Field = ", fldy(f) 'I>USl3 hI
print " X Chief = ",rayx(n), T +vo)9w
print " Y Chief = ",rayy(n) x+cL(R
xraymax = -9e9 d.?}>jl
yraymax = -9e9 %*Ex2we&
xraymin = 9e9 t*hy"e{*a
yraymin = 9e9 !=eNr<:V.
xraytot = 0 ]In7%Qb
yraytot = 0 'Q=;I
numray = 0 _M%>Q m
numrayattempt = 0 b-
- tl@H
px = -1 - delta eA7
Iv{M
label 2 9s<4`oa
px = px + delta 1 !_p
py = -1 - delta Z3JUYEAS
label 3 hEHd$tH06
py = py + delta Srx:rUCv
rad = px*px + py*py eN<L)a:J_
if rad <= 0.9999999 X$5
raytrace hx, hy, px, py 2PAu>}W*
numrayattempt = numrayattempt+1 *k7BE_&*0Z
if !rayv(n) **************************** j{lurb)y
numray = numray + 1 ,<IomA:q4
x = rayx(n) ?#w} S%
y = rayy(n) {.2\}7.c
if (x < xraymin) then xraymin = x X.>=&~[
if (x > xraymax) then xraymax = x TR3U<:
if (y < yraymin) then yraymin = y QdgJNT<=H,
if (y > yraymax) then yraymax = y %>$<s<y
xraytot = xraytot + x 2 {?]W/&fS
yraytot = yraytot + y f|,Kh1{e
endif @ZU$W9g
endif 7_\F$bp`
if py < 1.0 then goto 3 wj6u,+
if px < 1.0 then goto 2 KAnV%j
if numray d1/WUKmbZ
format 14.8 MS\vrq'_
print " X Centroid = ",xraytot/numray, y.lWyH9
print " Y Centroid = ",yraytot/numray {A/^;X{N^
print " X Middle = ",(xraymax+xraymin)/2, n725hY6}<l
print " Y Middle = ",(yraymax+yraymin)/2 qm$(_]R~`
format .0 zx%WV@O9
print " ",numray, " out of ", numrayattempt," rays made it through." Rq}lW.<r
else N[@H107`
print " No rays made it through!" 0Ncpi=6
endif -8^qtB
f=f+1 @[lMh9`
if f<= nfld() then goto 1 ES4Wtc)&
print '?Dxe
B
print "All field positions done!" 'TS_Am?o
FORMAT 0.1 ^7yt>
print "Elapsed time ", ETIM(), " seconds." =|-=4.b+|