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············· 01.q9AGy
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macro 正文：········· [jgVN w""D
! centroid.zpl |"*P`C=
!
5226 &N
! Written by Kenneth Moore 9/1/92 EyK !'9~a
! Added TIMER function 4/18/96 8" h;+;
! dz^HN`AlzC
TIMER c=v016r\
! Oo|JIr7i
! The delta controls how many rays will be traced. A j4XVk@'OX
! delta of .025 will trace a 80 x 80 grid in the pupil. ^Mq/Cf _T
! ?mNB:-Q
delta = .025 "Q@m7j)(
! \&F4Wl>`
print "This program computes the chief ray coordinates," @Ou
H=<YN
print "centroid coordinates, and middle coordinates for" ) @! fLA T
print "the primary wave spot at each field position." 0>Y3xN b
maxfield = maxf() \GEz.Vb
if maxfield == 0 then maxfield = 1 2J=`"6c
n = nsur() %pVsafV
f = 1 AZ.QQ*GZ#y
label 1 P0 0G*iY~\
hx = fldx(f)/maxfield jf)cDj 2
hy = fldy(f)/maxfield EjfQ F C
raytrace hx,hy,0,0 kn:hxdZ
format 10.4 =-^A;AO(
print @|A!? }
print " X Field = ", fldx(f),
ZX/FIxpy
print " Y Field = ", fldy(f) ;Z*rY?v
print " X Chief = ",rayx(n), M6wH$!zRa
print " Y Chief = ",rayy(n) Q0xGd(\
xraymax = -9e9 6% V:Z
yraymax = -9e9 ) f3A\^
xraymin = 9e9 .u mqyU~
yraymin = 9e9 <lzC|>BG
xraytot = 0 }[leUYi`
yraytot = 0 |47t+[b
numray = 0 b@J "b(
numrayattempt = 0 '`^~Zy?c
px = -1 - delta g=mKT k
label 2 /)[-5n{
px = px + delta i6yA>#^
py = -1 - delta < }K9 50
label 3 = cRmaD
py = py + delta cn}15JHdR
rad = px*px + py*py A \?t^T
if rad <= 0.9999999 xY?p(>(
raytrace hx, hy, px, py UXji$|ET6
numrayattempt = numrayattempt+1 6"iNh)
if !rayv(n) **************************** e(w c
[bv
numray = numray + 1 |ufT)+:
x = rayx(n) .4]XR/I $
y = rayy(n) t D`^qMua
if (x < xraymin) then xraymin = x _wX T9`|3
if (x > xraymax) then xraymax = x 6n/=n%US
if (y < yraymin) then yraymin = y RF*>U a
if (y > yraymax) then yraymax = y ?5't1219
xraytot = xraytot + x od#Lad@p
yraytot = yraytot + y ItLR|LO9
endif Lu^uY7
?}
endif (}wPu&Is,C
if py < 1.0 then goto 3 yl?LXc[)
if px < 1.0 then goto 2 -W6@[5 c
if numray 6<@ mB Z
format 14.8 X8v)yDtw
print " X Centroid = ",xraytot/numray, +6>2= ,?Z
print " Y Centroid = ",yraytot/numray G1it
3^*$
print " X Middle = ",(xraymax+xraymin)/2, gK~Z Ch
print " Y Middle = ",(yraymax+yraymin)/2 bq5ySy{8
format .0 (,sz.
print " ",numray, " out of ", numrayattempt," rays made it through." ;Qy Ew5
else @[joM*U
print " No rays made it through!" UxMy8} w!y
endif uxdB}H,
f=f+1 q2|x$ 5
if f<= nfld() then goto 1 1/\Xngd
print ]u<U[l-w
print "All field positions done!" -N /n|{+F
FORMAT 0.1 !0^4D=dO
print "Elapsed time ", ETIM(), " seconds." V}vL[=QFZ(
