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············· !FL"L
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macro 正文：········· 1?Y>Xz
! centroid.zpl lV$JCN e
! -i`jS_-Cv-
! Written by Kenneth Moore 9/1/92 1%+-}yo<
! Added TIMER function 4/18/96 !i;6!w
! ]o <]A [<
TIMER /*qRbN
! W#F9Qw
! The delta controls how many rays will be traced. A ?XHQdN3e
! delta of .025 will trace a 80 x 80 grid in the pupil. nqo{]fn
! .yj@hpJM
delta = .025 |fgUW.
! =x8[%+
print "This program computes the chief ray coordinates," y0 d=
print "centroid coordinates, and middle coordinates for" L+8ar9es
print "the primary wave spot at each field position." >5 -1?vi
maxfield = maxf() )q=F_:$
if maxfield == 0 then maxfield = 1 lcdhOjz!N
n = nsur() y!=,u
f = 1 bTum|GWf
label 1 ]I\GnDJ^
hx = fldx(f)/maxfield Kv|
x
-_7
hy = fldy(f)/maxfield uyWheR
raytrace hx,hy,0,0 Z~J]I|R:
format 10.4 "N}t =3i$
print j}^w :W76
print " X Field = ", fldx(f), %y RGN
print " Y Field = ", fldy(f) ?@ oF@AEx=
print " X Chief = ",rayx(n), X <%D@$
print " Y Chief = ",rayy(n) z V&l^.
xraymax = -9e9 l{[@A hb}?
yraymax = -9e9 \V>5) R n
xraymin = 9e9 = QBvU)Ki
yraymin = 9e9 OXEEpoU?V
xraytot = 0 p3M!H2W
yraytot = 0 ;M3%t=KV
numray = 0 %zcA|SefP
numrayattempt = 0 (.4lsKN<
px = -1 - delta ( DiduS J
label 2 iww/ s
px = px + delta ' h7Faj
py = -1 - delta RrMEDMhk6
label 3 8}0wSVsxV$
py = py + delta 7zG
r+Px
rad = px*px + py*py l!tR<$|
if rad <= 0.9999999 17s~mqy
raytrace hx, hy, px, py && &-P\3
numrayattempt = numrayattempt+1 +u$l]~St\
if !rayv(n) **************************** I){4MoH.
numray = numray + 1 4' O,xC
x = rayx(n) @ZJL ]TO
y = rayy(n) `==l 2AX
if (x < xraymin) then xraymin = x cwmS4^zt8
if (x > xraymax) then xraymax = x BP3Ha8/X
if (y < yraymin) then yraymin = y G=:/v
if (y > yraymax) then yraymax = y I\mF dE
xraytot = xraytot + x ~[%CUc"
yraytot = yraytot + y }Fjbj5w0
endif %66="1z0@
endif *z~,|DQ(A
if py < 1.0 then goto 3 0i*V ?
if px < 1.0 then goto 2 +bz nKy!
if numray & P-8_ I
format 14.8 0-Mzb{n5
print " X Centroid = ",xraytot/numray, w/6X9d
print " Y Centroid = ",yraytot/numray Bv<g Vt
print " X Middle = ",(xraymax+xraymin)/2, L8`v
print " Y Middle = ",(yraymax+yraymin)/2 DB|1Sqjsn
format .0 ~Gfytn9x.;
print " ",numray, " out of ", numrayattempt," rays made it through." Lwl1ta-
else ^%7(
print " No rays made it through!" R;OPY?EeW
endif ^ +>*Y=fl
f=f+1 `p() ko
if f<= nfld() then goto 1 b? );
D
print \bARp z?a
print "All field positions done!" @62,.\F
FORMAT 0.1
>Z!!` 0{
print "Elapsed time ", ETIM(), " seconds." #^T`vTD-
