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············· ,aLw OmO
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macro 正文：········· L/r_Mt N
! centroid.zpl fO&`A:JY
! <K`E*IaW
! Written by Kenneth Moore 9/1/92 -PAEJn5$O
! Added TIMER function 4/18/96 C[G+SA1&W
! C DRbYO
TIMER flo$[]`.7
! GaG>0 x
! The delta controls how many rays will be traced. A 4minzrKM\
! delta of .025 will trace a 80 x 80 grid in the pupil. 8ZVQM7O
! - ~|Gwr"
delta = .025 h7!O
K
! 1QG q;6\
print "This program computes the chief ray coordinates," 5C9b*]-#
print "centroid coordinates, and middle coordinates for" ?n Gi if
print "the primary wave spot at each field position." 8zD>t~N2C
maxfield = maxf() f4b9o[,s2e
if maxfield == 0 then maxfield = 1 v={{ $=/t
n = nsur() 1wKXOy=v0
f = 1 dY S(}U
label 1 e))L&s
hx = fldx(f)/maxfield hc[ K
VLpS
hy = fldy(f)/maxfield Qk:Lo*!
raytrace hx,hy,0,0 [jzsB:;XB&
format 10.4 1 4B',]`
print p@su:B2Rl
print " X Field = ", fldx(f), dHXe2rTE;&
print " Y Field = ", fldy(f) >ep <W<b
print " X Chief = ",rayx(n), #@$80eFq
print " Y Chief = ",rayy(n) Iz09O:ER
xraymax = -9e9 >8"Svt$
yraymax = -9e9 /;#kV]nF
xraymin = 9e9 uLS]=:BT
yraymin = 9e9 05 q760I+
xraytot = 0 p8~lG uH
yraytot = 0 .Q,"gsY
numray = 0 5]N0p,f
numrayattempt = 0 FN-/~Su~J
px = -1 - delta Yt]`>C[|D
label 2 d#rr7O
px = px + delta Lj<TzPzg*
py = -1 - delta F,w B6Cw
label 3 Z^&G9I#
py = py + delta G+8)a$?v
rad = px*px + py*py {r&mNbz
if rad <= 0.9999999 #ODP+>-IjB
raytrace hx, hy, px, py {fR\yWkt?
numrayattempt = numrayattempt+1 CUI3^;&S
if !rayv(n) **************************** G<$:[ +w
numray = numray + 1 h9H z6
>
x = rayx(n) @|anu&Hm
y = rayy(n) #c^] p/
if (x < xraymin) then xraymin = x x|0C0a\"A
if (x > xraymax) then xraymax = x G&g;R OgY
if (y < yraymin) then yraymin = y $*#^C;7O
if (y > yraymax) then yraymax = y 2 d[q5p
xraytot = xraytot + x ,= u; 1
yraytot = yraytot + y /grTO f&
endif [`\ VgKeu
endif ! Ld5Y$
if py < 1.0 then goto 3 ^Spu /55_
if px < 1.0 then goto 2 k4K.
ml IO
if numray #Q8_:dPY
format 14.8 %R c#/y
print " X Centroid = ",xraytot/numray, `MOw\Z)..
print " Y Centroid = ",yraytot/numray aj&L
Z DD6
print " X Middle = ",(xraymax+xraymin)/2, t{]Ew4Y4%O
print " Y Middle = ",(yraymax+yraymin)/2 7 m{lOR
format .0 3CoZ2
print " ",numray, " out of ", numrayattempt," rays made it through." ]->"4,}
else *4U_MM#rX
print " No rays made it through!" I`V<Sh^Qd
endif 6nW)2LV
f=f+1 /4an@5.\C
if f<= nfld() then goto 1 %GhI0F #
print ~XTC:6ts
print "All field positions done!" Tz @=N] D
FORMAT 0.1 " ] S
print "Elapsed time ", ETIM(), " seconds." @|b-X? `
