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············· R7\{w(`K
Z'*G'/*
macro 正文：········· u APLT~
! centroid.zpl : L6-{9$
! n:}MULy;
! Written by Kenneth Moore 9/1/92 @ &am!+z
! Added TIMER function 4/18/96 IkE'_F
! x| ~D(zo
TIMER &?`d8\z
! 3rXL0&3w%
! The delta controls how many rays will be traced. A 1xFhhncf
! delta of .025 will trace a 80 x 80 grid in the pupil. P:zEx]Y%
! yK @X^jf
delta = .025 '|dKg"Yl
! rRA_'t;uK
print "This program computes the chief ray coordinates," 6`$,-(J=
print "centroid coordinates, and middle coordinates for" skmDsZ zw
print "the primary wave spot at each field position." 1*x5/b
maxfield = maxf() *;\
K5
if maxfield == 0 then maxfield = 1 X*p :&=o
n = nsur() sKE*AGFL d
f = 1 eAenkUBz6,
label 1 cwDD(j
hx = fldx(f)/maxfield +Qb2LR
hy = fldy(f)/maxfield 0SGcz gg
raytrace hx,hy,0,0 c'wU O 3S
format 10.4 sDh6 U k
print x""Mxn]gD
print " X Field = ", fldx(f), *}Ae9
print " Y Field = ", fldy(f)
=t>`< T|(
print " X Chief = ",rayx(n), )}zA,FOA*
print " Y Chief = ",rayy(n) $F
/p8AraK
xraymax = -9e9 +kdU%Sm
yraymax = -9e9 ,XF6Xsg2
xraymin = 9e9 :67d>wb
yraymin = 9e9 v#AO\zYKd
xraytot = 0 #L1yL<'
yraytot = 0 5qODS_Eq
numray = 0 Liz 6ob
numrayattempt = 0 :ayO+fr#
px = -1 - delta :h](;W> H
label 2 L>R!A 3G1
px = px + delta !Z9ikn4A
py = -1 - delta 2Dwt4V
label 3 Nr*ibtz|D
py = py + delta "> 4[+'
rad = px*px + py*py c9_4 ohB
if rad <= 0.9999999 qLktMp_
raytrace hx, hy, px, py e\bF_
N2VA
numrayattempt = numrayattempt+1 fb S.
if !rayv(n) **************************** k Y |= a
numray = numray + 1 \2LA%ZU
x = rayx(n) ?;r7j V/`j
y = rayy(n) !AD,
if (x < xraymin) then xraymin = x FL_ arhrqD
if (x > xraymax) then xraymax = x 14) kKWG
if (y < yraymin) then yraymin = y & /FA>
if (y > yraymax) then yraymax = y P$#}-15?|_
xraytot = xraytot + x R/KWl^oNj
yraytot = yraytot + y ywa .cq
endif g5TLX &Bd
endif u[% J#S
if py < 1.0 then goto 3 4dD@lG~
if px < 1.0 then goto 2 q ~A|R
if numray 0z2R`=)
format 14.8 u+i/CE#w
print " X Centroid = ",xraytot/numray, Yv`1ySR
print " Y Centroid = ",yraytot/numray 9?mOLDu}Q0
print " X Middle = ",(xraymax+xraymin)/2, }v|[h[cZ
print " Y Middle = ",(yraymax+yraymin)/2 L[9+xK^g
format .0 j2&OY g
print " ",numray, " out of ", numrayattempt," rays made it through." :\HN?_?{4
else cH8H)55F
print " No rays made it through!" |Z)/
endif X]qp~:4G
f=f+1 L bK1CGyA
if f<= nfld() then goto 1 LAjw!QB
print ,Y/>*,J
print "All field positions done!" qb/!;U_
FORMAT 0.1 O8}s*} ]
print "Elapsed time ", ETIM(), " seconds." C3`.-/{D"
