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············· YV{^2)^
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macro 正文：········· J [k,S(Y
! centroid.zpl ' 1 }ybSG
! X%Lhu6F
! Written by Kenneth Moore 9/1/92 z>6hK:27
! Added TIMER function 4/18/96 j6JK4{
! &tJ!cTA.-
TIMER LwI A4$d
! O 7Z?y*
! The delta controls how many rays will be traced. A UqA <rW
! delta of .025 will trace a 80 x 80 grid in the pupil. DO^ J=e
! [Zpx
:r}
delta = .025 C3]"y7
! ;h-W&i7
print "This program computes the chief ray coordinates," Uy Uz_6J
print "centroid coordinates, and middle coordinates for" \Zgc
[F
print "the primary wave spot at each field position." 0 p31C 7!
maxfield = maxf() MmbS ["A
if maxfield == 0 then maxfield = 1 :;g7T -_q
n = nsur() Fs3rsi g
f = 1 MB!_G[R
label 1 2LTMt?
hx = fldx(f)/maxfield .,9e~6}
hy = fldy(f)/maxfield 0D s W1
raytrace hx,hy,0,0 =-m"y~{>3
format 10.4 O u -/dE%
print Po1/_# mu
print " X Field = ", fldx(f), XH`W(
print " Y Field = ", fldy(f) [Nw%fuB
print " X Chief = ",rayx(n), ceUhCb
print " Y Chief = ",rayy(n) z *w.A=r
xraymax = -9e9 |b+ZKRW
yraymax = -9e9 MV?#g -5
xraymin = 9e9 ^aONuG9
yraymin = 9e9 JnY.]:
xraytot = 0 L>>RboR}
yraytot = 0 N+9W2n
numray = 0 O!U8"Yr$
numrayattempt = 0 e a3f `z
px = -1 - delta n([ 9U0!gu
label 2 +I>V9%%vW_
px = px + delta t8?$q})RL
py = -1 - delta A0l-H/l7
label 3 QUO '{;,
py = py + delta iU/v; T(
rad = px*px + py*py &*YFK/ ]
if rad <= 0.9999999 v[+ ]
raytrace hx, hy, px, py ]=Dzr<*v
numrayattempt = numrayattempt+1 sd,KB+)
if !rayv(n) **************************** #W lTE&
numray = numray + 1 lvd ` _+P$
x = rayx(n) @d1YN]ede
y = rayy(n) 8 t5o&8v
if (x < xraymin) then xraymin = x Q nTKo&|9
if (x > xraymax) then xraymax = x Q`m9I
if (y < yraymin) then yraymin = y O\+b1+&b3Y
if (y > yraymax) then yraymax = y !Pc&Sg
xraytot = xraytot + x Fxx -2(U
yraytot = yraytot + y Z4s+8cTHn
endif VxAG= E
endif 4G3u8)b=
if py < 1.0 then goto 3 HPc~wX
if px < 1.0 then goto 2 [aF"5G
if numray 9q ]n &5
format 14.8 ] J^/`gc
print " X Centroid = ",xraytot/numray, \#sdN#e;XA
print " Y Centroid = ",yraytot/numray $z[@DB[
print " X Middle = ",(xraymax+xraymin)/2, Q.MbzSgXL
print " Y Middle = ",(yraymax+yraymin)/2 j_{f(.5
format .0 ?D_^ 8\R
print " ",numray, " out of ", numrayattempt," rays made it through." )qua0'y]@
else ~Z:)Y*
print " No rays made it through!" @:Emmzucv|
endif vI20G89E
f=f+1 r7jh)Q;BbR
if f<= nfld() then goto 1 {` ByZB
print "DC L
Z
print "All field positions done!" >K!$@ ]2F
FORMAT 0.1 | r,{# EE
print "Elapsed time ", ETIM(), " seconds." `rest_vu
