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············· Wgq |Q*
pJpapA2l*6
macro 正文：········· S;Bk/\2
! centroid.zpl pMc6p0
! )*|/5wW1
! Written by Kenneth Moore 9/1/92 6 K $mW
! Added TIMER function 4/18/96 ^S9y7b^;r
! bQAznd0
TIMER mYBEjZ B
! 7p&jSOY
! The delta controls how many rays will be traced. A B[vj X" yg
! delta of .025 will trace a 80 x 80 grid in the pupil. da{]B5p\
! [\uR3$j#
delta = .025 H#- 3
! |Lq8cA)|y
print "This program computes the chief ray coordinates," prBLNZp
print "centroid coordinates, and middle coordinates for" l?Y^3x}j
print "the primary wave spot at each field position." 0bNvmZ $
maxfield = maxf() ^6 6!f 5^W
if maxfield == 0 then maxfield = 1
gwZ<$6
n = nsur() NzRvb j]
f = 1 <G"cgN#]
label 1 4 DXbeQs:
hx = fldx(f)/maxfield FoefBo?g65
hy = fldy(f)/maxfield MatXhP] Fi
raytrace hx,hy,0,0 K,f:X g!:
format 10.4 T?9D?u?]
print Zw]`z*,yRA
print " X Field = ", fldx(f), QbU5FPiN
print " Y Field = ", fldy(f) dWY%bb
print " X Chief = ",rayx(n), V la,avON
print " Y Chief = ",rayy(n) E' 5*w 6
xraymax = -9e9 vN v?trw
yraymax = -9e9
K
+7
xraymin = 9e9 ~/:vr
yraymin = 9e9 : -& |QVH
xraytot = 0 wZrFu(_
yraytot = 0 XLpP*VH3
numray = 0 wI#8|,]"z
numrayattempt = 0 &9k~\;x
px = -1 - delta 4" @<bKx
label 2 ;D5>iek5
px = px + delta (su,= Z
py = -1 - delta y48]|%73
label 3 N k~} aj
py = py + delta J5@08 bZm
rad = px*px + py*py )W@u g,y
if rad <= 0.9999999 Y~ ~Dg?e
raytrace hx, hy, px, py :WhJDx`j
numrayattempt = numrayattempt+1 ^ 5 >e
if !rayv(n) **************************** 5<?Ah+1
numray = numray + 1 r)(5,* v
x = rayx(n) *[MWvs:,
y = rayy(n) | %_C$s%
if (x < xraymin) then xraymin = x N_t,n^i9>*
if (x > xraymax) then xraymax = x lED!}h'4
if (y < yraymin) then yraymin = y 8K8u|]i
if (y > yraymax) then yraymax = y 9rB3h`AVF
xraytot = xraytot + x *k$[/{S1-
yraytot = yraytot + y 9O[IR)O~
endif + a#&W}K
endif lR(9;3
if py < 1.0 then goto 3 :cpj{v;s
if px < 1.0 then goto 2 1- RY5R}VR
if numray F?L]Dff
format 14.8 !0
7jr%-~
print " X Centroid = ",xraytot/numray, $ m`Dyu
print " Y Centroid = ",yraytot/numray G , 8mFH
print " X Middle = ",(xraymax+xraymin)/2, dg D-"-O
print " Y Middle = ",(yraymax+yraymin)/2 Sn:>|y~
format .0 ;W |kc</R*
print " ",numray, " out of ", numrayattempt," rays made it through." [V}vd@*k
else T/$ gnn
print " No rays made it through!" 0 9H rn
endif =g% L$b<i
f=f+1 +cpb!YEAb
if f<= nfld() then goto 1 ]l7W5$26 @
print +]l?JKV
print "All field positions done!" YOxgpQ:i
FORMAT 0.1 q|5WHB
print "Elapsed time ", ETIM(), " seconds." VO#rJ1J
