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············· .,:700n+^
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macro 正文：········· _C v({m&N
! centroid.zpl //G5lW/*
! 29 K09 0f
! Written by Kenneth Moore 9/1/92 f[n#Eu}
! Added TIMER function 4/18/96 p6( n\eg R
! z.g'8#@
TIMER P5ii3a?R
! Aa;R_Jz
! The delta controls how many rays will be traced. A 5Qp5JMK
! delta of .025 will trace a 80 x 80 grid in the pupil. `zHtf ox !
! k/vE |
delta = .025 Z8$@}|jN
! Ga-AhP
print "This program computes the chief ray coordinates," x. r~e)x=
print "centroid coordinates, and middle coordinates for" OHzI!,2]
print "the primary wave spot at each field position." --0z"`@{
maxfield = maxf() @]Ye36v0#L
if maxfield == 0 then maxfield = 1 }-m/
'Q
n = nsur() @3bQ2jn
f = 1 M:OY8=V
label 1 vJ$# m_aa
hx = fldx(f)/maxfield OGNjn9av
hy = fldy(f)/maxfield 1Y410-.3w{
raytrace hx,hy,0,0 raGov`
format 10.4 dL>0"UN}-
print c"%XE#D
print " X Field = ", fldx(f), w%cd $"EH
print " Y Field = ", fldy(f) xtKWh`[&
print " X Chief = ",rayx(n), F;jl0)fBR=
print " Y Chief = ",rayy(n) MpM-xz~
xraymax = -9e9 {4&G\2<^^
yraymax = -9e9 F]3iL^v
xraymin = 9e9 |jW82L+!N%
yraymin = 9e9 pB{QO4q n
xraytot = 0 h2+vl @X
yraytot = 0 8^ ;[c
numray = 0 %FGPsHH
numrayattempt = 0 v\:>}
<g c
px = -1 - delta _s!(9
label 2 @ * L^Jgn
px = px + delta 0@1AH<
py = -1 - delta w-[WJ:2.
label 3 ?gjM]Ki%:
py = py + delta Wx~ 0_P
rad = px*px + py*py w :Fes
if rad <= 0.9999999 +o)S.a+7
raytrace hx, hy, px, py aT"q}UTK
numrayattempt = numrayattempt+1 *G$tfb(
if !rayv(n) **************************** %M gQ.
numray = numray + 1 Z~$=V:EA?
x = rayx(n) ="3Hc=1?R
y = rayy(n) ~f 2 H@#
if (x < xraymin) then xraymin = x V@<tIui$
if (x > xraymax) then xraymax = x 5) o-$1s A
if (y < yraymin) then yraymin = y O'U0Y8HN
if (y > yraymax) then yraymax = y {hK$6bD 3^
xraytot = xraytot + x r#rQ3&Vn
yraytot = yraytot + y Y1t xI
endif " $P bpY
endif Afo (! v
if py < 1.0 then goto 3 M[D`)7=b
if px < 1.0 then goto 2 uXW<8(
%W
if numray ?Jm/v%0O
format 14.8 p+#J;.
print " X Centroid = ",xraytot/numray, '0U+M{
print " Y Centroid = ",yraytot/numray {<ymL}
print " X Middle = ",(xraymax+xraymin)/2, Jg3}U j2By
print " Y Middle = ",(yraymax+yraymin)/2 Nqp%Z7G
format .0 <WtX>
\]l(
print " ",numray, " out of ", numrayattempt," rays made it through." ):jK sP
,
else -ZH]i}$
print " No rays made it through!" 8$-Wz:X&
endif R>BI ;IcX
f=f+1 {w}PV5<
if f<= nfld() then goto 1 "EF: +gi#"
print c, \TL
]
print "All field positions done!" z m\=4^X
FORMAT 0.1 eI; %/6#
print "Elapsed time ", ETIM(), " seconds." d4/snvq
