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) 'wg I#
print sM9N Hwg
print " X Field = ", fldx(f), u9{Z*w3L7
print " Y Field = ", fldy(f) ( n2=.9k!
print " X Chief = ",rayx(n), 1(/ r g
print " Y Chief = ",rayy(n) I} \ `l+
xraymax = -9e9 u4Z
Accj
yraymax = -9e9 YGZa## i
xraymin = 9e9 C{YTHN n
yraymin = 9e9 S> R40T=e
xraytot = 0 \ZC 0bHsA
yraytot = 0 F#|mN0op
numray = 0 8[IR ;gZf
numrayattempt = 0 xf A@GYCfT
px = -1 - delta ?d)FY B
label 2 PBAQ
KQ
px = px + delta `W u.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$<rSHb
xraytot = xraytot + x %Pk@ `t (3
yraytot = yraytot + y nb(Od,L
endif OZno 3Hn
endif <X]dR
6FT
if py < 1.0 then goto 3 U
z MIm
if px < 1.0 then goto 2 ,>3|\4/ Q
if numray Uy$?B"Z
format 14.8 34qfP{9!N
print " X Centroid = ",xraytot/numray, S[RVk=A1
print " Y Centroid = ",yraytot/numray n)rSg zI
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!" ASa Nac-3
FORMAT 0.1 3mXRLx=0>
print "Elapsed time ", ETIM(), " seconds." tnC,1HV0[
