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^Mtj5Oc
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macro 正文：········· o xXW`C<
! centroid.zpl L;7mt
4H
! Xb]?/7
X
! Written by Kenneth Moore 9/1/92 arL&^]JnZ,
! Added TIMER function 4/18/96 ?yeC
j1X
! ;iNx@tz4
TIMER |L{dQ)-'l
! u CS
! The delta controls how many rays will be traced. A F+S#m3X
! delta of .025 will trace a 80 x 80 grid in the pupil. A8(PI)Ic.
! ^O*hs%eO%
delta = .025 $%8n,FJ[
! K"$ky,tU
print "This program computes the chief ray coordinates," n(S-F g
print "centroid coordinates, and middle coordinates for" $KHD S:&
print "the primary wave spot at each field position." Vho0f< `E
maxfield = maxf() 4!%LD(jB`B
if maxfield == 0 then maxfield = 1 OV f|4J/Yx
n = nsur() 7Q}@L1A9F,
f = 1 I;:_25WGC
label 1 L%Q *\d
hx = fldx(f)/maxfield pT$AdvI]
hy = fldy(f)/maxfield ;#yz i2f
raytrace hx,hy,0,0 =@XR$Uud6
format 10.4 o}Np}PE6
print 9GaER+d|
print " X Field = ", fldx(f), 7Apbi}")
print " Y Field = ", fldy(f) !iOu07<n&D
print " X Chief = ",rayx(n), ITUl -L4xE
print " Y Chief = ",rayy(n) ~J: lC u
xraymax = -9e9 (oEA)yc|
yraymax = -9e9 dsuW4 ^ l
xraymin = 9e9 p:%E>K1<
yraymin = 9e9 qrh7\`,.m/
xraytot = 0 rdg1<Z
yraytot = 0 i mQNfNm
numray = 0 6I![ 5j
numrayattempt = 0 O0YGjS|d
px = -1 - delta iO`f{?b
label 2 <P - r)=^
px = px + delta N3RwcM9+;
py = -1 - delta YaNVpLA
label 3 -. {7;6:(k
py = py + delta Z3{Qtysuv3
rad = px*px + py*py J?$uNlI
if rad <= 0.9999999 >UH=]$ 0N
raytrace hx, hy, px, py Fj4:_(% nG
numrayattempt = numrayattempt+1 tjt#VFq ?
if !rayv(n) ****************************
ond/e&1
numray = numray + 1 v*v&f!Ym&s
x = rayx(n) 6 dMpd4"\
y = rayy(n) &>{L"{
if (x < xraymin) then xraymin = x 0AenDm@9
if (x > xraymax) then xraymax = x 6}2Lt[>O
if (y < yraymin) then yraymin = y zv@o- R$l
if (y > yraymax) then yraymax = y h ,G$e|[?
xraytot = xraytot + x 4+:u2&I
yraytot = yraytot + y c2"OpI
endif OYy8u{@U:
endif rt z(Jt{<
if py < 1.0 then goto 3 IRB;Q(Z
if px < 1.0 then goto 2 :Fl: bRH+
if numray nr;/:[F
format 14.8 *L_wRhhk
print " X Centroid = ",xraytot/numray, 4V5*6O9(u
print " Y Centroid = ",yraytot/numray q 9^r2OO
print " X Middle = ",(xraymax+xraymin)/2, 3kg+*]tLx
print " Y Middle = ",(yraymax+yraymin)/2 z)Gr`SA <
format .0 ;d:7\
print " ",numray, " out of ", numrayattempt," rays made it through." no r`w,2VF
else H] \H'r"
print " No rays made it through!" j!pxG5 %
endif ?jnEHn
f=f+1 ;H.r6
if f<= nfld() then goto 1 de[_T%A
print w:Vs $,
print "All field positions done!" WObfHAp.
FORMAT 0.1 kJ
>B )
print "Elapsed time ", ETIM(), " seconds." );vU=p"@
