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············· B>"-8#B[4
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macro 正文：········· p-z!i +
! centroid.zpl pUgas?e&
! 0'zjPE#
! Written by Kenneth Moore 9/1/92 J|z ' <W
! Added TIMER function 4/18/96 6Tq2WZ}<'
! 5mZ 9rLn
TIMER
ILHn~d IC
! l`:-B 'WM
! The delta controls how many rays will be traced. A G+3uY25y
! delta of .025 will trace a 80 x 80 grid in the pupil. Aq$o&t
! 09iD| $~
delta = .025 'Rv.6>xqc
!
sBE@{w%
print "This program computes the chief ray coordinates," +xr;X 9
print "centroid coordinates, and middle coordinates for" ?.Ml P,/K
print "the primary wave spot at each field position." Kc3/*eu;
maxfield = maxf() |g\CS 4$
if maxfield == 0 then maxfield = 1 3 "|A5>Vo
n = nsur() V* ,u;*
f = 1 Wl,I %<&j}
label 1 pQm-Hr78j
hx = fldx(f)/maxfield ^w*vux|F
hy = fldy(f)/maxfield 2%pe.s tQ
raytrace hx,hy,0,0 a7]Z_G k
format 10.4 A<[w'"
print 6x@]b>W
print " X Field = ", fldx(f), 'f.5hX(Y
print " Y Field = ", fldy(f) J =#9eW
print " X Chief = ",rayx(n), !:D,|k \m
print " Y Chief = ",rayy(n) Mi[,-8Sk
xraymax = -9e9 y8|}bd<Sr
yraymax = -9e9 I=8MLv
xraymin = 9e9 8Kz H
-
yraymin = 9e9 b WB&8 &p
xraytot = 0 ZB,UQ~!Yr
yraytot = 0 gf,[G bZ
numray = 0 ~HBx5Cpi
numrayattempt = 0 w6l56 CB`
px = -1 - delta `u8=~]rblj
label 2 w< |Lx#L}
px = px + delta B=i%Z _r]w
py = -1 - delta rT{ 2
label 3 K$
|!IXs
py = py + delta
t`x_@pr
rad = px*px + py*py /5:qS\Zl
if rad <= 0.9999999 pf_`{2.\uO
raytrace hx, hy, px, py 0MOn>76$N
numrayattempt = numrayattempt+1 p"NuR4
if !rayv(n) **************************** R)GDsgXy
numray = numray + 1 l{3ZN"`I
x = rayx(n) .1""U
']
y = rayy(n) /^ [K
if (x < xraymin) then xraymin = x N *Xl0m(Q
if (x > xraymax) then xraymax = x xT8!X5;
if (y < yraymin) then yraymin = y 6IL-S%EGK1
if (y > yraymax) then yraymax = y I]N!cEr;@-
xraytot = xraytot + x |Fzt |
\
yraytot = yraytot + y R!_1 *H$
endif {
*Wc`ZBY
endif au7@- _
if py < 1.0 then goto 3 :,MI,SwnS
if px < 1.0 then goto 2 $/P\@|MqYQ
if numray d|$-l:(J
format 14.8 k%({<
ul
print " X Centroid = ",xraytot/numray, ; DI"9
print " Y Centroid = ",yraytot/numray -k@Uo( MB
print " X Middle = ",(xraymax+xraymin)/2, h,2?+}Fn
print " Y Middle = ",(yraymax+yraymin)/2 yTU'voE.|
format .0 (FNX>2Mv
print " ",numray, " out of ", numrayattempt," rays made it through." }+
TA+;
else ~fly6j|u
print " No rays made it through!" S L~ 5[f
endif S >\\n^SbT
f=f+1 x/#.%Ga#T
if f<= nfld() then goto 1 ; HjT
print X0%BE!
print "All field positions done!" {=kW?
FORMAT 0.1 2rX}A3%9^^
print "Elapsed time ", ETIM(), " seconds." X\]Dx./
