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············· YxtkI:C?
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macro 正文：········· d*>k
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! centroid.zpl -{*V)J_Co
! ]-'9|N*}l
! Written by Kenneth Moore 9/1/92 s4$m<" ~
! Added TIMER function 4/18/96 '&QT}B
! u}1 vn} F{
TIMER "r
V4[MVxt
! N 9&@,3
! The delta controls how many rays will be traced. A ee_\_"
! delta of .025 will trace a 80 x 80 grid in the pupil. E`4=C@NN+,
! FqsjuU@l
delta = .025 O|RO
j
! lDU:EJ&DHE
print "This program computes the chief ray coordinates," W[>Tq T63
print "centroid coordinates, and middle coordinates for" #Q@6:bBzv
print "the primary wave spot at each field position." a1`cI5n
maxfield = maxf() nh=Us^xD
if maxfield == 0 then maxfield = 1 'q'Y:A?,
n = nsur() pt v 4v[gQ
f = 1 ZY!pw6R1>*
label 1 V3W85_*
hx = fldx(f)/maxfield G
r|@CZq
hy = fldy(f)/maxfield -NPk N%h
raytrace hx,hy,0,0 c2\vG
format 10.4 Cj1UD;
print C5 5n
print " X Field = ", fldx(f), N&ql(#r
print " Y Field = ", fldy(f) MJ9SsC1
print " X Chief = ",rayx(n), I A`8ie+
print " Y Chief = ",rayy(n) /mwr1GU
xraymax = -9e9 {}o>ne nx\
yraymax = -9e9 1ysLZ;K
xraymin = 9e9 \ui^
d
yraymin = 9e9 /eRtj:9 M
xraytot = 0 |~uzQU7
yraytot = 0 A] ?O& m |
numray = 0 _
1{5 ~
numrayattempt = 0 z83:a) U
px = -1 - delta M y"!j,Up
label 2 !J =;Z9
px = px + delta !-RpRRR[Co
py = -1 - delta ;vc lAsJ
label 3 {qWG ^Db
py = py + delta f76|
rad = px*px + py*py KHus/ M&0
if rad <= 0.9999999
01c/;B
raytrace hx, hy, px, py D^s0EW-E
numrayattempt = numrayattempt+1 fd"~[ z [
if !rayv(n) **************************** }
o"_ #\6
numray = numray + 1 Z^` =!n-V
x = rayx(n) _d0-%B
9m
y = rayy(n) SxW}Z_8x
if (x < xraymin) then xraymin = x D
,ZNh1xt
if (x > xraymax) then xraymax = x ]<;i} n|
<
if (y < yraymin) then yraymin = y 7k t7^V<
if (y > yraymax) then yraymax = y :IT U0%;!+
xraytot = xraytot + x ~:} XVt0%8
yraytot = yraytot + y \m~\, em
endif 0HJqsSZ$mW
endif 8cBW] \ v
if py < 1.0 then goto 3 G2+)R^FSC
if px < 1.0 then goto 2 ] b~2Dap
if numray ?J@?,rZQ^V
format 14.8 {8Jk=)(md
print " X Centroid = ",xraytot/numray, V0'p1J tD
print " Y Centroid = ",yraytot/numray `^ bvj]>l
print " X Middle = ",(xraymax+xraymin)/2, C 3 b0`|5
print " Y Middle = ",(yraymax+yraymin)/2 ,Z*3,/a
format .0 rI^ ~9Rz
print " ",numray, " out of ", numrayattempt," rays made it through." ^z%o];
else #:vDBP05.m
print " No rays made it through!" :Y J7J4
endif [5p7@6:$u
f=f+1 KB,~u*~!
if f<= nfld() then goto 1 BtpjQNN
print qtwT#z;Y
print "All field positions done!" L >Ez-
FORMAT 0.1 rGn5Q V
print "Elapsed time ", ETIM(), " seconds." ngkeJ)M0$
