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············· zwV!6xG
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macro 正文：········· ]owgsR
! centroid.zpl UDI\o1Rbp
! Hl}lxK,]
! Written by Kenneth Moore 9/1/92 cjN)3L{
! Added TIMER function 4/18/96 Rj";?.R*e
! ];k!*lR)
TIMER B2kZ_4r B
! `/[5/%
! The delta controls how many rays will be traced. A #HgN wM
! delta of .025 will trace a 80 x 80 grid in the pupil. <OEIG 0
! q7lC}'2fu
delta = .025 {`D]%eRO
! EK4%4<"
print "This program computes the chief ray coordinates," y >=Y MD
print "centroid coordinates, and middle coordinates for" HVus\s\&y%
print "the primary wave spot at each field position." 4 *}H3-`
maxfield = maxf() &lLk[/b
if maxfield == 0 then maxfield = 1 iQ" LIeD
n = nsur() 6#Z] yk+p
f = 1 )'m;a_ r`
label 1 + \Vw:~e
hx = fldx(f)/maxfield <<LLEdB
hy = fldy(f)/maxfield ML >M:Ik+
raytrace hx,hy,0,0 8p 4[:M@
format 10.4 RK.lz VaY
print F%
n}vA`
print " X Field = ", fldx(f), eOb--@~8
print " Y Field = ", fldy(f) ^5s7mls
print " X Chief = ",rayx(n), \C$e+qb~{
print " Y Chief = ",rayy(n) ; +\h$
xraymax = -9e9 /!0&b?
yraymax = -9e9 +#,J`fV%
xraymin = 9e9 )tBz=hy#
yraymin = 9e9 (qFZF7(Xa
xraytot = 0 ke2dQ^kc4
yraytot = 0 )ItABl[{
numray = 0 ;)h?P.]
numrayattempt = 0 )yy H_Ax2
px = -1 - delta {x g =Ym)
label 2 X `_tm3HC
px = px + delta u)Kiwa
py = -1 - delta J\@g3oGw
label 3 L91vp'+2
py = py + delta ) !0}<_2
rad = px*px + py*py JL
G!;sov
if rad <= 0.9999999 ~E 6sY
raytrace hx, hy, px, py ynw(wSH=
numrayattempt = numrayattempt+1 2z {B
if !rayv(n) **************************** F Dgo6x
numray = numray + 1 'GezIIaH
x = rayx(n) v_Vw!u
y = rayy(n) wL~A L
if (x < xraymin) then xraymin = x KH)-=IJ8
if (x > xraymax) then xraymax = x o*A , 6 y
if (y < yraymin) then yraymin = y 5 { (4 %
if (y > yraymax) then yraymax = y Njg87tKB
xraytot = xraytot + x fNi&r0/-t
yraytot = yraytot + y X~& 8^?
endif Ub
f5 :
endif b4wT3
if py < 1.0 then goto 3 7yu-x nt3s
if px < 1.0 then goto 2 2p9^ =
if numray A5F (-
format 14.8 (b~l.@xh
print " X Centroid = ",xraytot/numray, BPv+gx(>k
print " Y Centroid = ",yraytot/numray 4G:~|N.{p
print " X Middle = ",(xraymax+xraymin)/2, >{ {ds--
print " Y Middle = ",(yraymax+yraymin)/2 muXP5MO
format .0 q}p$S2 `
print " ",numray, " out of ", numrayattempt," rays made it through." > }f!. i
else Ps.xY;Y
print " No rays made it through!" hN K wQ
endif ?@PSD\
f=f+1 s@$0!8sxm
if f<= nfld() then goto 1 Zgh~7Z/
print .! <yTh
print "All field positions done!" C.ynOo,W
FORMAT 0.1 !pU^?Hy=
print "Elapsed time ", ETIM(), " seconds." 9=$ p V==
