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············· ZDx@^P y
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macro 正文：········· ifK%6o 6
! centroid.zpl Bfr' Zdw
! j>Ag\@2 ME
! Written by Kenneth Moore 9/1/92 w,1Ii }d9
! Added TIMER function 4/18/96 06*rWu9P3
! K93p"nHN
TIMER zf [`~g
! BVw Wj-,
! The delta controls how many rays will be traced. A d Qb.BOI)h
! delta of .025 will trace a 80 x 80 grid in the pupil. KCuG u}
! cK`"lxO
delta = .025 6rN(_Oi-
! {g6Qv-
print "This program computes the chief ray coordinates," {/< 6v. v
print "centroid coordinates, and middle coordinates for" sC"}8+[)S3
print "the primary wave spot at each field position." }_
mT
l@*
maxfield = maxf() <#+44>h
if maxfield == 0 then maxfield = 1 {HOy_Fiih
n = nsur() x3p ND
f = 1 17.x0 gW,
label 1 BZv+H=b
hx = fldx(f)/maxfield :_kAl? eJ
hy = fldy(f)/maxfield N#C1-*[C
raytrace hx,hy,0,0 %\$;(#h
format 10.4 *&Lq!rFS
print BV`- =wRC
print " X Field = ", fldx(f), x] |+\1
print " Y Field = ", fldy(f) ]aryV?!6
print " X Chief = ",rayx(n), sZ<9A Xk-E
print " Y Chief = ",rayy(n) } MbH3ufC
xraymax = -9e9 fV:4 #j
yraymax = -9e9 *i{Y 9f8
xraymin = 9e9 \C^;k%{LV
yraymin = 9e9 Wu6<\^A
xraytot = 0 9 @ 16w
yraytot = 0 '3IC*o"
numray = 0 `qVjwJ!+
numrayattempt = 0 fq[;%cr4
px = -1 - delta k>jbcSY(z<
label 2 \dQ x+f& t
px = px + delta &k7;DO
py = -1 - delta eM7Bc4V
label 3 6[E|
py = py + delta 9`//^8G :=
rad = px*px + py*py 6]zd. W
if rad <= 0.9999999 YW @#91.
raytrace hx, hy, px, py A5'NGt
numrayattempt = numrayattempt+1 r7]zQIE
if !rayv(n) **************************** 2`GE
numray = numray + 1 #@@Mxr'F
x = rayx(n) .`<@m]m-
y = rayy(n) &UCsBqIY
if (x < xraymin) then xraymin = x Cv
ejb+
if (x > xraymax) then xraymax = x %1 vsN-O}8
if (y < yraymin) then yraymin = y A\_ |un%
if (y > yraymax) then yraymax = y vDl- "!G1
xraytot = xraytot + x XdLCbY
yraytot = yraytot + y }]n$ %g (
endif @~c 6qh
endif -<v~snq'
if py < 1.0 then goto 3 e!Y0-=?nf#
if px < 1.0 then goto 2 jcNT<}k
C
if numray iy.2A!f^.
format 14.8 :c9U>1`g&
print " X Centroid = ",xraytot/numray, 3p2P=
T
print " Y Centroid = ",yraytot/numray ym e^b
;a
print " X Middle = ",(xraymax+xraymin)/2, DrnJ;Hi"
print " Y Middle = ",(yraymax+yraymin)/2 mC?i}+4>4R
format .0 N>(g?A;
Z+
print " ",numray, " out of ", numrayattempt," rays made it through." ay "'#[
else T,xPSN2A*
print " No rays made it through!" kg@>;(V&
endif Ev7J+TmXM
f=f+1 -C(b,F%%
if f<= nfld() then goto 1 M?b6'd9f
print Le<w R
print "All field positions done!" A;\ 7|'4
FORMAT 0.1
t#%R
q
print "Elapsed time ", ETIM(), " seconds." / kt2c [9
