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············· zP!J/}z
]3B %8
macro 正文：········· Vw# {C>
! centroid.zpl @ {#mpDX
! g>
S*<
! Written by Kenneth Moore 9/1/92 AW,OH SXh6
! Added TIMER function 4/18/96 DNkWOY#{
! ?":'O#E
TIMER !:CJPM6j3
! PUdM[-zjh
! The delta controls how many rays will be traced. A 3= -pG
! delta of .025 will trace a 80 x 80 grid in the pupil. &\C [@_
! s%pfkoOY%
delta = .025 k+^'?D--'P
! o.-C|IXG
print "This program computes the chief ray coordinates," re &E{
print "centroid coordinates, and middle coordinates for" ,xI%A,
(,;
print "the primary wave spot at each field position." is?2DcSl5
maxfield = maxf() [ x b]Wf
if maxfield == 0 then maxfield = 1 X|DO~{-au
n = nsur() #~L h#
f = 1 J* fBZ.NO
label 1 ?!VIS>C(
hx = fldx(f)/maxfield Pw0Ci
hy = fldy(f)/maxfield <3okiV=ox
raytrace hx,hy,0,0 =gh`J N6
format 10.4 &~e$:8 +
print ? 1*m,;Z
print " X Field = ", fldx(f), 1 " #*)MF
print " Y Field = ", fldy(f) [5$w=u"j
print " X Chief = ",rayx(n), H ?M/mGP
print " Y Chief = ",rayy(n) }/P5 >F<H[
xraymax = -9e9 ,TJ D$^
yraymax = -9e9 X" fh @.
xraymin = 9e9 6\jf|: h
yraymin = 9e9 8>WVodv
xraytot = 0 . lgPFr6X
yraytot = 0 %w ptZ"2M
numray = 0 VOTv ?Vf
numrayattempt = 0 A"5z6A4WB
px = -1 - delta efP &xk
label 2 Gfp1mev
px = px + delta X^9d/}uTa
py = -1 - delta X|D!VX>#!
label 3 JwnQ0
e
py = py + delta )6K MHG
rad = px*px + py*py gk[{2HgN
if rad <= 0.9999999 KInk^`C/H
raytrace hx, hy, px, py YC_5YY (k
numrayattempt = numrayattempt+1 a VL=K
if !rayv(n) **************************** YXurYwV
numray = numray + 1 W1B)]IHc
x = rayx(n) ORXm&z)
y = rayy(n) i g LMv+{
if (x < xraymin) then xraymin = x ^ci3F< ?Q=
if (x > xraymax) then xraymax = x *+ '2?*
if (y < yraymin) then yraymin = y "P-lSF?T
if (y > yraymax) then yraymax = y VQ5nq'{v
xraytot = xraytot + x I\~ G|B
yraytot = yraytot + y ?Iyo9&1&
endif G 0O#/%%
endif NLPkh,T:
if py < 1.0 then goto 3 Uo12gIX
if px < 1.0 then goto 2 h7*W *Bd
if numray @yXfBML?]
format 14.8 <<](XgR(
print " X Centroid = ",xraytot/numray, U7uKR v9
print " Y Centroid = ",yraytot/numray C98]9
print " X Middle = ",(xraymax+xraymin)/2, 'bld,Do6
print " Y Middle = ",(yraymax+yraymin)/2 I+>%uShm
format .0 W>VP'vn}
print " ",numray, " out of ", numrayattempt," rays made it through." "<_ 0A f]
else {!|}=45Z
print " No rays made it through!" ^<e@uNGg
endif %>-@K|:gS
f=f+1 ~8"8w(CG*I
if f<= nfld() then goto 1 [gy*`@w
print "H -"
print "All field positions done!" {~|OE -X][
FORMAT 0.1 jdE 5~a+
print "Elapsed time ", ETIM(), " seconds." X U/QA
[K
