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············· [=cbzmX[
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macro 正文：········· *tpS6{4=#7
! centroid.zpl {y@8E>y5$
! N|)e {|k
! Written by Kenneth Moore 9/1/92 @zw&-b:qI
! Added TIMER function 4/18/96 .% W.uF^
! ZWuNl!l>
TIMER 9CwtBil<#g
! |)jR|8MAE
! The delta controls how many rays will be traced. A wt@TR~a
! delta of .025 will trace a 80 x 80 grid in the pupil. QRl+ 7V
! U_aI!` WXd
delta = .025 6f#Mi+"
! vzSjfv
print "This program computes the chief ray coordinates," PW"?* ~&
print "centroid coordinates, and middle coordinates for" ia
/#`#.
print "the primary wave spot at each field position." oTb42a_j{
maxfield = maxf() Fpn'0&~-fi
if maxfield == 0 then maxfield = 1 n3U|
d+
n = nsur() C. uv0
f = 1 n?q+:P
label 1 / : \ 27n
hx = fldx(f)/maxfield r_bG+iw7p
hy = fldy(f)/maxfield dn=srbJ
raytrace hx,hy,0,0 Q9p2.!/C1
format 10.4 OOnj(%g
print Mt{cX,DS
print " X Field = ", fldx(f), i,Jz 7OX
print " Y Field = ", fldy(f) +W-b3R:1>
print " X Chief = ",rayx(n), lQ [JA[
print " Y Chief = ",rayy(n) Ty!V)i
xraymax = -9e9 :TnU} i_/h
yraymax = -9e9 6+s&%io4
xraymin = 9e9 P$ b5o
yraymin = 9e9 l_2l/ff9
xraytot = 0 7uv"# m q
yraytot = 0 0@u{(m
numray = 0 b=W kRj
numrayattempt = 0 Zcc7
7dRA
px = -1 - delta XWz~ *@ci
label 2 /d }5R@Oy
px = px + delta I(j{D >v
py = -1 - delta v33[Rk'
label 3 q9^.f9-
py = py + delta 0,__{? !
rad = px*px + py*py 'rfs rZ?
if rad <= 0.9999999 Qd ?S~3XT
raytrace hx, hy, px, py /<O9^hA|
numrayattempt = numrayattempt+1 FS?1O"_
if !rayv(n) **************************** >E ,/|K*
numray = numray + 1 bgInIe
x = rayx(n) 8|hi2Qeu,c
y = rayy(n) 3%x-^.
if (x < xraymin) then xraymin = x NY[48H
if (x > xraymax) then xraymax = x <X97 W \
if (y < yraymin) then yraymin = y ~g~`,:Qc
if (y > yraymax) then yraymax = y ;gRPTk$X3
xraytot = xraytot + x q} g0-Da
yraytot = yraytot + y vL "n oLs
endif =7 -k D3
endif %uP/v\l
if py < 1.0 then goto 3 8L@@UUjr
if px < 1.0 then goto 2 {+9t!'
if numray 2|M,#2E-
format 14.8 3VQmo\li
print " X Centroid = ",xraytot/numray, d;r,?/C
print " Y Centroid = ",yraytot/numray 8h|~>v
print " X Middle = ",(xraymax+xraymin)/2, Au )% w
print " Y Middle = ",(yraymax+yraymin)/2 |IWm:[H3
format .0 $7Lcn9 ?G
print " ",numray, " out of ", numrayattempt," rays made it through." T?-K}PUcQ
else qNkX:|j
print " No rays made it through!" L{ c\7
endif P[ Vf$ q<
f=f+1 U[@B63];0
if f<= nfld() then goto 1 :f R GXrn
print I =K<%.
print "All field positions done!" kw1L m1C
FORMAT 0.1 z-S8s2.Fd
print "Elapsed time ", ETIM(), " seconds." f5n AD
