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············· #tN)O ZA
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macro 正文：········· wX8T;bo&
! centroid.zpl &|iFhf[o
! 5!}xl9D
! Written by Kenneth Moore 9/1/92 5X\3 y4
! Added TIMER function 4/18/96 ye KzI~
! * gr{ {c
TIMER _ot4HmD
! 6AqHzeh
! The delta controls how many rays will be traced. A tS#EqMf&o
! delta of .025 will trace a 80 x 80 grid in the pupil. ]p(+m_F
! ldrKk'S,B
delta = .025 *PMvA1eN=#
! WG NuB9R
print "This program computes the chief ray coordinates," Wd~aSz9
print "centroid coordinates, and middle coordinates for" m C
n,I
print "the primary wave spot at each field position." vi4u `
maxfield = maxf() ;TF(opW:
if maxfield == 0 then maxfield = 1 24Z7;'
n = nsur() ylLQKdcL
f = 1 9bl&\Ykt.
label 1 '{\VO U
hx = fldx(f)/maxfield #R"9( Q&
hy = fldy(f)/maxfield %CfJ.;BDNE
raytrace hx,hy,0,0 ,G
e7
9(
format 10.4 Tc, Bv7:
print cE/7B'cR
print " X Field = ", fldx(f), UAnq|NJO
print " Y Field = ", fldy(f) Zn1 +} Z@I
print " X Chief = ",rayx(n), /'QN lP[L;
print " Y Chief = ",rayy(n) `^9 Zbwq
xraymax = -9e9 zwN;CD1
yraymax = -9e9 IQMk :
xraymin = 9e9 ,]i ^/fT
yraymin = 9e9 JHwkLAuz
xraytot = 0 $@FD01h.t3
yraytot = 0 2J Yp.CJv
numray = 0 %Xh/ 16X${
numrayattempt = 0 [^A.$,
px = -1 - delta {0q;:7Bt
label 2 =2s 5>Oz+
px = px + delta sVZb[|zSri
py = -1 - delta %'kaNpBz
label 3 4
`Z @^W
py = py + delta ? 1?^>M
rad = px*px + py*py 3Ku!;uo!u
if rad <= 0.9999999 '(5 &Sj/C
raytrace hx, hy, px, py 5UVQ48aT
numrayattempt = numrayattempt+1 n }7DL8
if !rayv(n) **************************** HD IB GG~
numray = numray + 1 _ YWw7q
x = rayx(n) sT[)r]`T
y = rayy(n) RU,f|hB 4
if (x < xraymin) then xraymin = x J|sX{/WT
if (x > xraymax) then xraymax = x !.zUY6
if (y < yraymin) then yraymin = y ;j-@
$j
if (y > yraymax) then yraymax = y @BbZ(cZ*
xraytot = xraytot + x w
(W+Y+up
yraytot = yraytot + y +h pXMO%?
endif =%znY`0b56
endif ;o ,t *
if py < 1.0 then goto 3 @b=tjQO_
if px < 1.0 then goto 2 8X!UtHml
if numray yHurt>8b[
format 14.8 <&n3 "
print " X Centroid = ",xraytot/numray, /,"Z^=
print " Y Centroid = ",yraytot/numray D IB Az s
print " X Middle = ",(xraymax+xraymin)/2, g^NdN46%
print " Y Middle = ",(yraymax+yraymin)/2 f-y4V}
format .0 W,`u5gbT
print " ",numray, " out of ", numrayattempt," rays made it through." !
W$ u~z
else +uM1#-+h
print " No rays made it through!" {:IOTy
endif SIKy8?Fn
f=f+1 V5i_\A
if f<= nfld() then goto 1 *#+d j"
print _{8f^@I"+
print "All field positions done!" JS642T
FORMAT 0.1
yUq,9.6Ig
print "Elapsed time ", ETIM(), " seconds." GI WgfE?
