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············· ~I@ %ysR
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macro 正文:········· 8<
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! centroid.zpl c@$W]o"A
! <<&SyP
! Written by Kenneth Moore 9/1/92 ew,g'$drD
! Added TIMER function 4/18/96 3A3WD+[L
! @4>?Y=#
TIMER _3{8Zg
! A s8IjGNs{
! The delta controls how many rays will be traced. A 9L>ep&u)^
! delta of .025 will trace a 80 x 80 grid in the pupil. u+ 8wBb5!
! 72dd%
delta = .025 Nk?L<'
! ki8Jl}dr
print "This program computes the chief ray coordinates," 8|Wl|@1(
print "centroid coordinates, and middle coordinates for" O*9d[jw[
print "the primary wave spot at each field position." VVc-Dx
maxfield = maxf() O`.IE? h#
if maxfield == 0 then maxfield = 1 ~(eD 4"
n = nsur() )_K:A(V>
f = 1 XXb,*u 3
label 1 6\m'MV`R!
hx = fldx(f)/maxfield L/,M@1@R
hy = fldy(f)/maxfield <H|]^An!H
raytrace hx,hy,0,0 1t7T\~+F
format 10.4 9)'wgI#
print sM9N Hwg
print " X Field = ", fldx(f), u9{Z*w3L7
print " Y Field = ", fldy(f) (n2=.9k!
print " X Chief = ",rayx(n), 1(/rg
print " Y Chief = ",rayy(n) I} \`l+
xraymax = -9e9 u4Z
Accj
yraymax = -9e9 YGZa##i
xraymin = 9e9 C{YTHNn
yraymin = 9e9 S>R40T=e
xraytot = 0 \ZC0bHsA
yraytot = 0 F#|mN0op
numray = 0 8[IR;gZf
numrayattempt = 0 xfA@GYCfT
px = -1 - delta ?d)FYB
label 2 PBAQ
KQ
px = px + delta `Wu.wx
py = -1 - delta 8%;]]{(B
label 3 NZuylQ)0
py = py + delta wArzMt}[
rad = px*px + py*py /[|A(,N}{
if rad <= 0.9999999 /%P,y+<}iG
raytrace hx, hy, px, py V/J-zH&
numrayattempt = numrayattempt+1 df9$k0Fx
if !rayv(n) **************************** +\Je
B/F
numray = numray + 1 }QJ6"s
x = rayx(n) /+f3jy:d
y = rayy(n) 1P/4,D@
if (x < xraymin) then xraymin = x
1Pd2%
if (x > xraymax) then xraymax = x m[A$Sp_"-h
if (y < yraymin) then yraymin = y 3EyVoS6D
if (y > yraymax) then yraymax = y uD4$<rSHb
xraytot = xraytot + x %Pk@`t (3
yraytot = yraytot + y nb(Od,L
endif OZno 3Hn
endif <X]dR
6FT
if py < 1.0 then goto 3 U
zMIm
if px < 1.0 then goto 2 ,>3|\4/Q
if numray Uy$?B"Z
format 14.8 34qfP{9!N
print " X Centroid = ",xraytot/numray, S[RVk=A1
print " Y Centroid = ",yraytot/numray n)rSgzI
print " X Middle = ",(xraymax+xraymin)/2, \`YV)"y" ~
print " Y Middle = ",(yraymax+yraymin)/2 z5t"o !
format .0
k;vhQ=
print " ",numray, " out of ", numrayattempt," rays made it through." \PK}4<x}
else k#<Y2FJa
print " No rays made it through!" :SVWi}:Co1
endif UvVq# <-
f=f+1 ^-K~y
if f<= nfld() then goto 1 s@|TQ9e |j
print kSO:xS0 _N
print "All field positions done!" ASaNac-3
FORMAT 0.1 3mXRLx=0>
print "Elapsed time ", ETIM(), " seconds." tnC,1HV0[