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············· aK'%E3!~=x
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macro 正文：········· "@+r|x
! centroid.zpl @ u2 P&|:{
! c_.4~>q w
! Written by Kenneth Moore 9/1/92 3 *[YM7y
! Added TIMER function 4/18/96 9 ]*hP](
! $pYT#_P!/
TIMER ZklZU,\!|v
! bl`vT3
! The delta controls how many rays will be traced. A )R9QJSe
! delta of .025 will trace a 80 x 80 grid in the pupil. UhF+},gU
! p?4h2`P
delta = .025 1
c4I`#_v
! "_36WX
print "This program computes the chief ray coordinates," p#fV|2'
print "centroid coordinates, and middle coordinates for" $_&gT.>
print "the primary wave spot at each field position." R"k}wRnxY
maxfield = maxf() #~@Cl9[)D
if maxfield == 0 then maxfield = 1 ~;B@ {kFY)
n = nsur() $tFmp)
f = 1 lG!We'?
label 1 LuUfdzH
hx = fldx(f)/maxfield VT`C<'
hy = fldy(f)/maxfield *Z=:?4u
raytrace hx,hy,0,0 IAa}F!6Q1
format 10.4 '"<h;|
print j`$d W H/2
print " X Field = ", fldx(f), v6_f F5N/
print " Y Field = ", fldy(f) !Won<:.[0
print " X Chief = ",rayx(n), I2<t?c:Pn<
print " Y Chief = ",rayy(n) W k&g!FR
xraymax = -9e9 zz~AoX7V6
yraymax = -9e9 BjyGk+A
xraymin = 9e9 Hwm] l`E]
yraymin = 9e9 ~xaPq= AH
xraytot = 0 #99 fFs`w
yraytot = 0 zd+<1R;
numray = 0 1{7*0cv$iL
numrayattempt = 0 ;/]v mgl2
px = -1 - delta bB`p-1
label 2 TbPTgE *
px = px + delta kw Iw=8q~
py = -1 - delta aR}L-
-m
label 3 idh5neyL
py = py + delta gx)!0n;
rad = px*px + py*py ^;]Q,*Q
if rad <= 0.9999999 j)neVPf%v
raytrace hx, hy, px, py v *k}{ M
numrayattempt = numrayattempt+1 \ZPmPu9^(
if !rayv(n) **************************** *D$[@-7
numray = numray + 1 %uWq)D4r
x = rayx(n) iO_6>&(
y = rayy(n) 2PrUI;J$
if (x < xraymin) then xraymin = x _R ?:?{r,
if (x > xraymax) then xraymax = x )$ _ b?
if (y < yraymin) then yraymin = y
LU=` K4
if (y > yraymax) then yraymax = y )k}UjU`!
xraytot = xraytot + x CHPu$eu
yraytot = yraytot + y -*I Dzm
endif hLf<-NM
endif tEXY >=
if py < 1.0 then goto 3 `swf ~
if px < 1.0 then goto 2 hs5aIJ
if numray S Z[ ,(h
format 14.8 W %bzA11l
print " X Centroid = ",xraytot/numray, Dy[_Ix/Y,
print " Y Centroid = ",yraytot/numray g~i%*u,Y<
print " X Middle = ",(xraymax+xraymin)/2, `/0S]?a.{B
print " Y Middle = ",(yraymax+yraymin)/2 Iyf hVk?
format .0 sAG#M\A6
print " ",numray, " out of ", numrayattempt," rays made it through." @1UC9}>
else E 9LKVs}
print " No rays made it through!" 97%S{_2m/
endif ,XJ
Xw(LM
f=f+1 wNX2*
if f<= nfld() then goto 1 n%J {Tcn6
print Ur/+nL{
print "All field positions done!" KkJK5dZo
FORMAT 0.1 ^mA ^7jB
print "Elapsed time ", ETIM(), " seconds." ta\CZp
