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············· Z3>3& |&
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macro 正文：········· (Gc`3jJ
! centroid.zpl 6F/
OlK<
! kTc5KHJ7
! Written by Kenneth Moore 9/1/92 s
FYJQ90it
! Added TIMER function 4/18/96 <SdJM1%Q o
! {0W ID D
TIMER VQjFEJ
! .+ L_!A
! The delta controls how many rays will be traced. A {}&f\6OI %
! delta of .025 will trace a 80 x 80 grid in the pupil. y"p-8RVk{
! )"jn{% /t
delta = .025 *N e2l`!1m
! lv _%
print "This program computes the chief ray coordinates," 3l(;Pt-yI
print "centroid coordinates, and middle coordinates for" @ZR4%A"X4
print "the primary wave spot at each field position." 7C7(bg,7^
maxfield = maxf() @ ^6O V)
if maxfield == 0 then maxfield = 1 (`.qG
&6p
n = nsur() X3L[ y\
f = 1 <;0N@
label 1 #r ^@*<{^
hx = fldx(f)/maxfield AYu'ptDNr
hy = fldy(f)/maxfield ?WtG|w
raytrace hx,hy,0,0 XAxI?y[c
format 10.4 hIo S#]
print P| P fG=
print " X Field = ", fldx(f), $0 S#d@v}
print " Y Field = ", fldy(f) vp75u93
print " X Chief = ",rayx(n), .O%1)p
print " Y Chief = ",rayy(n) '7LJuMp$#
xraymax = -9e9 uQtk|)T E
yraymax = -9e9 r, @X>_}
xraymin = 9e9 fQTA@WAr
yraymin = 9e9 ;E? hz
xraytot = 0 o7a6 )2JK
yraytot = 0 cU5"c)$'
numray = 0 *5_ 8\7d
numrayattempt = 0 QDgEJ%U-
px = -1 - delta %OTA5
label 2 c]!D`FA*K
px = px + delta | ]!Ky[P
py = -1 - delta Pzm!`F^r}
label 3 5v>{Z0TE[6
py = py + delta BOiz ~h6
rad = px*px + py*py Xt,,AGm}
if rad <= 0.9999999 &G@-yQ
raytrace hx, hy, px, py r~G]2*3
numrayattempt = numrayattempt+1 rE{Xo:Cf
if !rayv(n) **************************** cYWy\+
numray = numray + 1 p1VahjRE-
x = rayx(n) !k= 0X\5L
y = rayy(n) h;ol"
if (x < xraymin) then xraymin = x &c<}++'h
if (x > xraymax) then xraymax = x zhX`~){N6
if (y < yraymin) then yraymin = y o=RqegL
if (y > yraymax) then yraymax = y H, XLb.
xraytot = xraytot + x @U
/3iDB\
yraytot = yraytot + y O *J_+6
endif F2PLy
q
endif 7=p-A _X
if py < 1.0 then goto 3 K)Xs L
if px < 1.0 then goto 2 Oz#EGjz
if numray [
4Y
`O
format 14.8 97]a-)SA
print " X Centroid = ",xraytot/numray, (&P0la 1
print " Y Centroid = ",yraytot/numray !G"9xrr1
print " X Middle = ",(xraymax+xraymin)/2, 0n<(*bfW
print " Y Middle = ",(yraymax+yraymin)/2 o ,Tr^e$
format .0 qzH q j;
print " ",numray, " out of ", numrayattempt," rays made it through." <jRFN&" h}
else e:GgA
print " No rays made it through!" 5e/qgI)M5
endif |D FvZ6}
f=f+1 Hr <C2p^a
if f<= nfld() then goto 1 u $% D9Z ^
print
>NH4A_
print "All field positions done!" ^QXw[th!d
FORMAT 0.1 a:- )+sgHw
print "Elapsed time ", ETIM(), " seconds." ?lc[ hH
