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············· 6\g]Y
!iCY! :
macro 正文：········· !u~( \ Rb;
! centroid.zpl Jp xJZJ
! S!2M?}LU
! Written by Kenneth Moore 9/1/92 lE AN N u
! Added TIMER function 4/18/96 yFshV\
! Dx /?0F7V
TIMER ?H0 #{!s
! L=VJl[DL
! The delta controls how many rays will be traced. A ;->(hFJt
! delta of .025 will trace a 80 x 80 grid in the pupil. 7
\!t/<
! $=TFTSO
delta = .025 G TNN4
! \$V~kgQ0
print "This program computes the chief ray coordinates," ,S2D/Y^>
print "centroid coordinates, and middle coordinates for" >"{3lDy q-
print "the primary wave spot at each field position." | OUr=b
maxfield = maxf() e Fp4MD8?
if maxfield == 0 then maxfield = 1 7P?z{x':T
n = nsur() {b "V7vn,
f = 1 h:<p EL
label 1 ckBcwIXlP&
hx = fldx(f)/maxfield ^|Of
hy = fldy(f)/maxfield g03I<<|@
raytrace hx,hy,0,0 +S5"4<
format 10.4 V"#ie
Y n
print a"0X am
print " X Field = ", fldx(f), 9 h<];
print " Y Field = ", fldy(f) #Fl "#g$
print " X Chief = ",rayx(n), p./zW
)7+
print " Y Chief = ",rayy(n) - {>JF
xraymax = -9e9 B5~S&HQ?B6
yraymax = -9e9 |# L U"D
xraymin = 9e9 c-z
,}`
yraymin = 9e9 p}.L ]Y
xraytot = 0 vXAO#'4tm%
yraytot = 0 H? Z5ex
numray = 0 kKr7c4q
numrayattempt = 0 0hn N>?
px = -1 - delta "6w- jT
label 2 Z O5_n
px = px + delta (Gp/^[.%&
py = -1 - delta btJ: Wt}
label 3 M^AwOR7<
py = py + delta >u
,Ac:
rad = px*px + py*py G< # 9`
if rad <= 0.9999999 IC{\iwO/~c
raytrace hx, hy, px, py %YlL-*7 L
numrayattempt = numrayattempt+1 Kp'_lKW)]q
if !rayv(n) **************************** b
lP@Cn2
numray = numray + 1 y>_lxLhmO#
x = rayx(n) SpU+y|\[0
y = rayy(n) {~_X-g5|]
if (x < xraymin) then xraymin = x ] +<[D2f
if (x > xraymax) then xraymax = x p #wQW[6
if (y < yraymin) then yraymin = y >\ y|}|?
if (y > yraymax) then yraymax = y l E=(6Q
xraytot = xraytot + x e;GLPB
yraytot = yraytot + y @e8b'w3
endif RZ-=UIf
endif Hm!ffqO_
if py < 1.0 then goto 3 9E5Ec~l
if px < 1.0 then goto 2 h.d-a/
if numray 1@rI4U@D
format 14.8 4{=zO(>
print " X Centroid = ",xraytot/numray,
S<#>g
s4
print " Y Centroid = ",yraytot/numray ?{[ IS k)
print " X Middle = ",(xraymax+xraymin)/2, {VtmQU? cJ
print " Y Middle = ",(yraymax+yraymin)/2 epuN~T
format .0 Ri=:=oF(
print " ",numray, " out of ", numrayattempt," rays made it through."
+:k Iq
else Sio^FOTD
print " No rays made it through!" z SD RZ!
endif NF8'O
f=f+1 M3P\1
if f<= nfld() then goto 1 r6S-G{o
print }K':tX?
print "All field positions done!" ]CHO5' %,$
FORMAT 0.1 ySAkj-< /P
print "Elapsed time ", ETIM(), " seconds." > Dy<@e
