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············· EH%j$=@X
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macro 正文：········· <CdO& xUY
! centroid.zpl Cq'r
'cBZ
! hTq JDP"&F
! Written by Kenneth Moore 9/1/92 HKf 3eC
! Added TIMER function 4/18/96 aUQq<H 'R
! .-
o,_eg1f
TIMER q\G@Nn^
! cw M 0Z6
! The delta controls how many rays will be traced. A =Ih_[$1dw
! delta of .025 will trace a 80 x 80 grid in the pupil. T~d';P
! !h;VdCCi#
delta = .025 w-m2N-"= '
! 7hQ l,v< 5
print "This program computes the chief ray coordinates," n+w>Qz'
print "centroid coordinates, and middle coordinates for" r,\(Y@I
print "the primary wave spot at each field position." 8; @eY`0(
maxfield = maxf() C8- q<t#SF
if maxfield == 0 then maxfield = 1 pgarGaeq
n = nsur() ^8*.r+7p
f = 1 _;+&'=6.[
label 1 :2+ :(^l
hx = fldx(f)/maxfield ""=V t]
hy = fldy(f)/maxfield q9 >w3
<
raytrace hx,hy,0,0 \wP$"Z}j
format 10.4 -8: @xG2
print w\a#Bfcv
print " X Field = ", fldx(f), 3Hr %G4
print " Y Field = ", fldy(f) t `oP;
print " X Chief = ",rayx(n), auU{I y
print " Y Chief = ",rayy(n) ^ +G> N
xraymax = -9e9 ME"/%59r
yraymax = -9e9 GWsFW[T?~
xraymin = 9e9 9 lwg`UWl,
yraymin = 9e9 !cZIoz
xraytot = 0 2TO1 i 0
yraytot = 0 Y-9F*8<
numray = 0 7(-<x@ e
numrayattempt = 0 K, Vl.-4?
px = -1 - delta ]](hwj
label 2 J=Z"sU=
px = px + delta 3FfS+q*3S
py = -1 - delta O@VmV >m
label 3 K} @ q+
py = py + delta %$U+?lk}
rad = px*px + py*py w67Pw
if rad <= 0.9999999 ">7 bnOJ
raytrace hx, hy, px, py %$Uw]a
numrayattempt = numrayattempt+1 G4~J+5m k
if !rayv(n) **************************** /$KW$NH4 z
numray = numray + 1 idQr^{
x = rayx(n) n/-I7Q!;u
y = rayy(n) TqC"lO>:Q
if (x < xraymin) then xraymin = x E ^G=
if (x > xraymax) then xraymax = x Zv_<*uzKZ
if (y < yraymin) then yraymin = y ^"I!+Teb
if (y > yraymax) then yraymax = y Gvw el!6
xraytot = xraytot + x bk|>a=o3
yraytot = yraytot + y k K(, FB
endif @W8RAS~
endif asb") NfIm
if py < 1.0 then goto 3 m i+I )b=
if px < 1.0 then goto 2 $t^`Pt*:u
if numray L=>N#QR7
format 14.8 Ag-*DH0
print " X Centroid = ",xraytot/numray, V*)gJg
print " Y Centroid = ",yraytot/numray _?8T'?-1
print " X Middle = ",(xraymax+xraymin)/2, UaB!,vs3st
print " Y Middle = ",(yraymax+yraymin)/2 L))(g][;
format .0 on~ rrSK
print " ",numray, " out of ", numrayattempt," rays made it through." is,_r(S
else Xg"=,j2
print " No rays made it through!" [>fE{ ~Y
endif 5u8 YHv
f=f+1 rTcH~s
D`
if f<= nfld() then goto 1 S Exd- =G
print 3j6$!89'
print "All field positions done!" )Fbkt(1
FORMAT 0.1 |o`TR qs
print "Elapsed time ", ETIM(), " seconds." awUIYAgJ3
