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············· M&c1iK\E8
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macro 正文：········· > %dAqYi $
! centroid.zpl m (:qZW
! K0=E4>z,`q
! Written by Kenneth Moore 9/1/92 <9 tG_
! Added TIMER function 4/18/96 /
i2-h
! X]"OW
TIMER kGV`Q
! g
'a?
! The delta controls how many rays will be traced. A E*CQG;^=N
! delta of .025 will trace a 80 x 80 grid in the pupil. 4 S9,
tc&
! %P,^}h 7
delta = .025 [W= S8>
! @M^Qh Hs
print "This program computes the chief ray coordinates," VhI IW"1
print "centroid coordinates, and middle coordinates for" kdPm # $-
print "the primary wave spot at each field position." W<]Oo ]
maxfield = maxf() Pt 0} 9Q
if maxfield == 0 then maxfield = 1 ^GaPpm
n = nsur() hcc-J)=m
f = 1 |P0L ,R
label 1 [mzF)/[_2
hx = fldx(f)/maxfield LE nP"o9ZW
hy = fldy(f)/maxfield 4qXRDsbCf
raytrace hx,hy,0,0 gJ8 c]2c
format 10.4 LNx E-Dp
print :f Kz^@mY4
print " X Field = ", fldx(f), h]DE Cd{
print " Y Field = ", fldy(f) #]a51Vss
print " X Chief = ",rayx(n), 7 +hF;
print " Y Chief = ",rayy(n) [pFu
] ^X
xraymax = -9e9 `$a gM@"^
yraymax = -9e9 ~'QeN%qadP
xraymin = 9e9 $S GA60q
yraymin = 9e9 %R*vSRG/U
xraytot = 0 )u )$ `a
yraytot = 0 Il `k]X M
numray = 0 )'dH}3Ba
numrayattempt = 0 C5PBfn<j
px = -1 - delta pW--^aHu
label 2 (s@tU>4U
px = px + delta S}Y|s]6
py = -1 - delta #iU8hUbo
label 3 bd
P,Zqd
py = py + delta !5SQN5K
rad = px*px + py*py <eFAI} =s
if rad <= 0.9999999 po2[uJ
raytrace hx, hy, px, py D6 2
NU
numrayattempt = numrayattempt+1 [gns8F#H\
if !rayv(n) **************************** b
hr E
numray = numray + 1 ytV)!xe
x = rayx(n) QUZQY` ' @
y = rayy(n) z>p`!-'ID
if (x < xraymin) then xraymin = x ?-:: {2O)
if (x > xraymax) then xraymax = x .0f h>kQ
if (y < yraymin) then yraymin = y ) !}-\5F
if (y > yraymax) then yraymax = y o),6o'w(
xraytot = xraytot + x CndgfOF
yraytot = yraytot + y O:^L Q
endif 3JZWhxkf[$
endif Xz .Y-5)
if py < 1.0 then goto 3 $7DcQ b9
if px < 1.0 then goto 2 K7xWE,y
if numray [kuVQ$)
format 14.8 d:<H?~
print " X Centroid = ",xraytot/numray, "(\)
&G
print " Y Centroid = ",yraytot/numray S a1z,EP
print " X Middle = ",(xraymax+xraymin)/2, 9+8!xwR:
print " Y Middle = ",(yraymax+yraymin)/2
^*x Hy`
format .0 y-\A@jJC5
print " ",numray, " out of ", numrayattempt," rays made it through." %V(N U_o
else u|OzW}xb7j
print " No rays made it through!" z(`
}:t
endif D_n }p8blT
f=f+1 0+<eRR9 -
if f<= nfld() then goto 1 KW|\)83$
print jWK@NXMH
print "All field positions done!" Z 5)_B,E:X
FORMAT 0.1 :IVk_[s
print "Elapsed time ", ETIM(), " seconds." $ # !UGY
