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············· ?H8dyQ5"
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macro 正文：········· xb&,9Lxd|
! centroid.zpl NezE]'}
! `SS[[FT$>
! Written by Kenneth Moore 9/1/92 !H6X%hlk
! Added TIMER function 4/18/96 _gl1Qtv@rf
! GB)< 5I
TIMER V&lx0Dy
! G P`sOPr
! The delta controls how many rays will be traced. A ZRFHs> 0
! delta of .025 will trace a 80 x 80 grid in the pupil. 6E_YUk?KW
! "Sw raq
delta = .025 vxrqUjK7
! X*hPE=2`
p
print "This program computes the chief ray coordinates," LFvZ 7M\\
print "centroid coordinates, and middle coordinates for" In;+wFu;M
print "the primary wave spot at each field position." Z !l]v.S
maxfield = maxf() IL"N_ux~w~
if maxfield == 0 then maxfield = 1 VaO[SW^
n = nsur() s&\krW &
f = 1 9 {IDw
label 1 KNOVb=# f_
hx = fldx(f)/maxfield y
QGd<(
hy = fldy(f)/maxfield NGW:hgf
raytrace hx,hy,0,0 J58S8:c
format 10.4 P5lk3Zg '
print isFxo,R9r
print " X Field = ", fldx(f), ?R4%z2rcW
print " Y Field = ", fldy(f) sR)jZpmC(
print " X Chief = ",rayx(n), vXG?8Q
print " Y Chief = ",rayy(n) S[N9/2
xraymax = -9e9 BW"24JhF"
yraymax = -9e9 (?"z!dg c
xraymin = 9e9 BteeQ&A|~
yraymin = 9e9 c Ze59
xraytot = 0 f5/ s+H!
yraytot = 0 4EaxU !BT
numray = 0 \=o 0MR
numrayattempt = 0 SEH[6W3
px = -1 - delta b|\dHi2F T
label 2 f{P?|8u
px = px + delta er3`ITp:dp
py = -1 - delta fm
q(!
label 3 4^:$|\?]
py = py + delta Q&/WVRD
rad = px*px + py*py wNmC 1HOh
if rad <= 0.9999999 d;{k,rP6
raytrace hx, hy, px, py Bi>]s%zp
numrayattempt = numrayattempt+1 amWKykVS5
if !rayv(n) **************************** FwD
q@Oj
numray = numray + 1 uJ0Wb$%
x = rayx(n) f lOXV
y = rayy(n) 1X9J[5|ll
if (x < xraymin) then xraymin = x QXgfjo
if (x > xraymax) then xraymax = x t=fP ^bJ
if (y < yraymin) then yraymin = y > }kZXeR|
if (y > yraymax) then yraymax = y Sf@xP.d
xraytot = xraytot + x =r3g:j/>q
yraytot = yraytot + y -"?~By}<C
endif U\M9sTqo
endif 2IGU{&s
if py < 1.0 then goto 3 w(K|0|t
if px < 1.0 then goto 2 }{Ra5-PY
if numray a X
Ie
format 14.8 ?TI]0)
print " X Centroid = ",xraytot/numray, Tr;.O?@{t}
print " Y Centroid = ",yraytot/numray B![ :fiR`
print " X Middle = ",(xraymax+xraymin)/2, [a?bv7Kz
print " Y Middle = ",(yraymax+yraymin)/2 @Bn4ZF B@
format .0 KL$> j/qT
print " ",numray, " out of ", numrayattempt," rays made it through." =YD<q:n4
else 6~x a^3G:
print " No rays made it through!" ef/43+F^x
endif QS1lg
f=f+1 )<qL8#["U
if f<= nfld() then goto 1 ^Y5I OX:
print |$~]|SK
print "All field positions done!" wSPmiJ/!
FORMAT 0.1 J6" GHbsO
print "Elapsed time ", ETIM(), " seconds." {JF"PAS7
