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·············
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macro 正文：········· C?eH]hkZ3
! centroid.zpl N~'c _l
! >4CbwwMA
! Written by Kenneth Moore 9/1/92 Y }wyw8g/
! Added TIMER function 4/18/96 4o[{>gW
! G"A#Q"
TIMER F:S}w
! k8zI(5.>
! The delta controls how many rays will be traced. A w``U=sfmV
! delta of .025 will trace a 80 x 80 grid in the pupil. ] D\D ~!R
! Zj'9rXhrM1
delta = .025 k!Y, 63V=
! yJIscwF
print "This program computes the chief ray coordinates," p4Z(^+Aa
print "centroid coordinates, and middle coordinates for" cw
<l{A
print "the primary wave spot at each field position." jmG~Un M
maxfield = maxf() sRb9`u =)
if maxfield == 0 then maxfield = 1 o ^uA">GH
n = nsur() La[V$+Y
f = 1 K{+2G&i
label 1 "3J}b? u_[
hx = fldx(f)/maxfield 7b+6%fV
hy = fldy(f)/maxfield S,8e lKH4
raytrace hx,hy,0,0 k+*u/neh
format 10.4 a d\ot#V
print cFX p
print " X Field = ", fldx(f), xskz) kk
print " Y Field = ", fldy(f) MF'JeM;H
print " X Chief = ",rayx(n), N?8!3&TiV
print " Y Chief = ",rayy(n) #GFr`o0$^
xraymax = -9e9 <1TA w.
yraymax = -9e9 #KvlYZ+1
xraymin = 9e9 r<$y= B
yraymin = 9e9 gjlx~.0d
xraytot = 0 CTmT@A{
yraytot = 0 Dw"\/p:-3
numray = 0 %(Icz ?
numrayattempt = 0 1xvu<|F
px = -1 - delta uXiN~j &Be
label 2 |I=T @1_D
px = px + delta gRzxLf`K
py = -1 - delta ! 8 b ^,
label 3 DHRlWQox
py = py + delta &7s.`
rad = px*px + py*py l U] nd[x
if rad <= 0.9999999 m4Zk\,1m.|
raytrace hx, hy, px, py x?<FJ"8"k
numrayattempt = numrayattempt+1 FP>2C9:d
if !rayv(n) **************************** |uJ%5y#
numray = numray + 1 e ' <)V_
x = rayx(n) _yT Ed"$
y = rayy(n) B)UZ`?>c
if (x < xraymin) then xraymin = x vih9 KBT
if (x > xraymax) then xraymax = x W%w~ah|/]
if (y < yraymin) then yraymin = y Cvd N"k
if (y > yraymax) then yraymax = y J .%IfN
xraytot = xraytot + x Ho] su?
yraytot = yraytot + y :23P!^Y
endif 6S{l' !s'
endif +w~oH =
if py < 1.0 then goto 3 y
B$x>Q'C(
if px < 1.0 then goto 2 'N(R_q6MW
if numray #0 <XN LM
format 14.8 xYB{;K
print " X Centroid = ",xraytot/numray, u1.BN>G
print " Y Centroid = ",yraytot/numray +cRn%ioVi
print " X Middle = ",(xraymax+xraymin)/2, ptaKf4P^r
print " Y Middle = ",(yraymax+yraymin)/2 R@2X3s:
format .0 h@BY]80
print " ",numray, " out of ", numrayattempt," rays made it through." "Y.y:Vv;
else \)Cl%Em
print " No rays made it through!" [-x7_=E#
endif |l!aB(NW
f=f+1 Z30A{6}
if f<= nfld() then goto 1 *K; ~!P
print {c0`Um3&>
print "All field positions done!" ss-D(K"
FORMAT 0.1 " Yy n/
print "Elapsed time ", ETIM(), " seconds." 6w7 7YTJ
