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············· ItVWO:x&v
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macro 正文：········· .Iw AK/QS
! centroid.zpl ,j{,h_Op
! h Ge/ ;@%
! Written by Kenneth Moore 9/1/92 "@@u3`#
! Added TIMER function 4/18/96 ~d4 )/y
! )gIK H{JYL
TIMER Ad8n<zt|
! =F~S ?y
! The delta controls how many rays will be traced. A S(I{NL}= $
! delta of .025 will trace a 80 x 80 grid in the pupil. }Yzco 52
! I\{ 1u
delta = .025 Q5`*3 h6p=
! Y|f[bw
print "This program computes the chief ray coordinates," , , OW
print "centroid coordinates, and middle coordinates for" 5E;qM|Ns
print "the primary wave spot at each field position." c
/HHy,
maxfield = maxf() x b~yM%*c
if maxfield == 0 then maxfield = 1 G L#u p
n = nsur() ,X-bJA@(
f = 1 O)*+="Rg
label 1 9gDkT Ykj
hx = fldx(f)/maxfield 2B[X,rL.pX
hy = fldy(f)/maxfield ?m}s 4a
raytrace hx,hy,0,0 @[<><uTH
format 10.4 dI(@ZV{
print L-WT]&n_
print " X Field = ", fldx(f), OJuG~euy
print " Y Field = ", fldy(f) Smn;(K
print " X Chief = ",rayx(n), Uw. `7b> B
print " Y Chief = ",rayy(n) QUc= &5 %
xraymax = -9e9 fI}to&qk
yraymax = -9e9 9@(PWz=`?
xraymin = 9e9 (Aao Ca [
yraymin = 9e9 N=5a54!/
xraytot = 0 ghG**3xr
yraytot = 0 P|tO<t6/9*
numray = 0 wx=
$2N6
numrayattempt = 0 yy^q2P
px = -1 - delta k W Ml
label 2 @sW24J1q+
px = px + delta M#4p E_G
py = -1 - delta &tLgG4pd
label 3 d9f C<Tp
py = py + delta y| i,|
rad = px*px + py*py nLZTK&7}
if rad <= 0.9999999 _~l5u8{^ 6
raytrace hx, hy, px, py JxdDC^> 0
numrayattempt = numrayattempt+1 ~S"+S/z/k
if !rayv(n) **************************** #4Rx]zW^%
numray = numray + 1 BDW^7[n
x = rayx(n) en4k/w_
y = rayy(n) y1eW pPJa
if (x < xraymin) then xraymin = x r[`9uVT/
if (x > xraymax) then xraymax = x )hn6sXo+
if (y < yraymin) then yraymin = y *e Tq VG.
if (y > yraymax) then yraymax = y D09Sg%w
xraytot = xraytot + x ~ ?Qe? hB
yraytot = yraytot + y jjB~ G^n
endif %op**@4/t\
endif Jy` B!S_l
if py < 1.0 then goto 3 %A9NB !
if px < 1.0 then goto 2 Pe_W;q.
if numray m{Wu"
;e
format 14.8 8`B3;Zmm
print " X Centroid = ",xraytot/numray, 36&e.3/#
print " Y Centroid = ",yraytot/numray q.^;!f1
print " X Middle = ",(xraymax+xraymin)/2, hB]Np1('
print " Y Middle = ",(yraymax+yraymin)/2 .GP T!lDc
format .0 O'p9u@kc
print " ",numray, " out of ", numrayattempt," rays made it through." ios&n)W&
else $kdB |4C
print " No rays made it through!" a8e6H30Sm
endif ~]IOK$1F%
f=f+1 (&Kk7< #`
if f<= nfld() then goto 1 T?CdZc.
print .,|G7DGH]
print "All field positions done!" 6RU~"C
FORMAT 0.1 t: x \kp
print "Elapsed time ", ETIM(), " seconds." Hh3X
\
