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············· YUEyGhkMV{
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macro 正文：········· Pj
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! centroid.zpl sh_;98^
! ]##aAh-P4&
! Written by Kenneth Moore 9/1/92 F)hj\aHm k
! Added TIMER function 4/18/96 q k^FyZ<
! ]qT&6:;-]
TIMER 4-.K<-T%D
! .@,t}:lD
! The delta controls how many rays will be traced. A =4eJ@EVM
! delta of .025 will trace a 80 x 80 grid in the pupil. .g*N +T6O
! m}wn +R
delta = .025 *I(6hB
! {1OxJn1hd
print "This program computes the chief ray coordinates," C12UZE;
print "centroid coordinates, and middle coordinates for" eZPeyYX
print "the primary wave spot at each field position." \~hrS/$[$
maxfield = maxf() .U0Gm _c0
if maxfield == 0 then maxfield = 1 p3U)J&]c6
n = nsur() sr6 BC.
f = 1 r&
a[ ?
label 1 .Z [4:TS
hx = fldx(f)/maxfield w. k9{f
hy = fldy(f)/maxfield ]!/U9"_e"B
raytrace hx,hy,0,0 e%JIqKS
format 10.4 9Y,JY c#
print RJWO h
print " X Field = ", fldx(f), M4C8K{}
print " Y Field = ", fldy(f) ?.VKVTX^
print " X Chief = ",rayx(n), F<I*?${[
print " Y Chief = ",rayy(n) e3; &
xraymax = -9e9 X vaIOt>A
yraymax = -9e9 !Ap5Uwd
xraymin = 9e9 ^y/Es2A#t
yraymin = 9e9 %1Q:{m
xraytot = 0 h~ k<"
yraytot = 0 src9EeiV
numray = 0 WVa%<
numrayattempt = 0 P5<9;PPbZ
px = -1 - delta +^Xf:r`
G
label 2 z{L' 7
px = px + delta <!sLf z?
py = -1 - delta +06{5 -,
label 3 srv4kodj
py = py + delta 05LkLB
rad = px*px + py*py #%; Uh
if rad <= 0.9999999 1jg* DQ7L
raytrace hx, hy, px, py ,j*9 )
numrayattempt = numrayattempt+1 o Vp ZR$
if !rayv(n) **************************** ST?{H SCz
numray = numray + 1 xQ FY/Z
x = rayx(n) 7\
_MA!:<
y = rayy(n) oK\zyNK
if (x < xraymin) then xraymin = x >. Gm u
if (x > xraymax) then xraymax = x NuQ!hu h
if (y < yraymin) then yraymin = y 7
XxZF43
if (y > yraymax) then yraymax = y k77IXT_7u
xraytot = xraytot + x U*C^g}iA
yraytot = yraytot + y MR1I"gqE}I
endif sG u. G
endif %P0
if py < 1.0 then goto 3 0 %~~IT}U
if px < 1.0 then goto 2 K
";Et
if numray *K|~]r(F?
format 14.8 3 *h"B$g!
print " X Centroid = ",xraytot/numray, <,)R`90_X6
print " Y Centroid = ",yraytot/numray n*7^lAa2
print " X Middle = ",(xraymax+xraymin)/2, /2Wg= &H
print " Y Middle = ",(yraymax+yraymin)/2 =>;&M)+q
format .0 /"Vd( K2Z
print " ",numray, " out of ", numrayattempt," rays made it through." <r#FI8P;X
else oy8jc];SO
print " No rays made it through!" v?VDASR2`
endif ^K<3_D>1>
f=f+1 \|0z:R;X
if f<= nfld() then goto 1 'OA*aQ=K
print Yg8* )u0
print "All field positions done!" T aS1%(
FORMAT 0.1 ;?/5Mr
print "Elapsed time ", ETIM(), " seconds." 5pJe`}O4
