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············· YF8; s4
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macro 正文：········· U/ds(*g@
! centroid.zpl T8^ `<gr.
! {:;6 * W
! Written by Kenneth Moore 9/1/92 !#&`1cYX
! Added TIMER function 4/18/96 hufpk y[&8
! l(A)G d5>
TIMER KpX1GrIn3
! O, .c gX
! The delta controls how many rays will be traced. A A_8Xhem${
! delta of .025 will trace a 80 x 80 grid in the pupil. P*6h $T
! t ]gZ^5
delta = .025 )x5t' ]w`K
! 8yCt(ms
print "This program computes the chief ray coordinates," _w}l,
print "centroid coordinates, and middle coordinates for" B)/L[ )S
print "the primary wave spot at each field position." qt{lZ_$
maxfield = maxf() ,tTq25~H \
if maxfield == 0 then maxfield = 1 "%(SLQOyy
n = nsur() XgI;2Be+&a
f = 1 -kk0zg
&|i
label 1 H|)F-aL[
hx = fldx(f)/maxfield F5y0(=$T
hy = fldy(f)/maxfield :X*$U
~aQ
raytrace hx,hy,0,0 +lplQh@RB
format 10.4 j
D kBe-`
print Nn#;Kjul.
print " X Field = ", fldx(f), iV5S[uy72.
print " Y Field = ", fldy(f) 2WK c;?
print " X Chief = ",rayx(n), m)l'i!Y
print " Y Chief = ",rayy(n) Np"~1z.(b
xraymax = -9e9 )TfX}
yraymax = -9e9 *qZBq&7tb
xraymin = 9e9 "l 8YD&q
yraymin = 9e9 =28ZSo^
xraytot = 0 :u]QEZ@@
yraytot = 0 4iDq d
numray = 0 }Y"vUl_I2
numrayattempt = 0 6bDizS}
px = -1 - delta x,NV{uG$n
label 2 HDO_r(i
px = px + delta |b4f3n
py = -1 - delta w8D6j%C
label 3 2kcDJ{(
py = py + delta g4 3(N!@g
rad = px*px + py*py -}1TT@
if rad <= 0.9999999 0`/CoP<U
raytrace hx, hy, px, py \`0s %F:V}
numrayattempt = numrayattempt+1 e sM r @Oc
if !rayv(n) **************************** $[g#P^
numray = numray + 1 y?V^S;}&]
x = rayx(n) 'g tcy
y = rayy(n) |%oI,d=ycv
if (x < xraymin) then xraymin = x r=HL!XFk
if (x > xraymax) then xraymax = x cd|/ 4L 6
if (y < yraymin) then yraymin = y pAws{3(Q
if (y > yraymax) then yraymax = y )(9[> _+40
xraytot = xraytot + x Wn{MY=5Y
yraytot = yraytot + y 8<x&
Xd
endif q/ ^?rd
endif J4x|Af p
if py < 1.0 then goto 3 klAvi%^jE
if px < 1.0 then goto 2 j}O qWX>/
if numray 388vdF
format 14.8 @\r2%M-
print " X Centroid = ",xraytot/numray, 9#>nFs"H
print " Y Centroid = ",yraytot/numray $ V !25jQ
print " X Middle = ",(xraymax+xraymin)/2, E{P94Ph v
print " Y Middle = ",(yraymax+yraymin)/2 BRa9j:_b
format .0 i &%m^p
print " ",numray, " out of ", numrayattempt," rays made it through." ,D'm#Fti
else R$p(5>#\5
print " No rays made it through!" /'/i? 9:
endif )HcLpoEi
f=f+1 u* G+=aV.6
if f<= nfld() then goto 1 *aJO5 &w<T
print f@gvDo]Y
print "All field positions done!" b!e0pFS;
FORMAT 0.1 M0g=gmau
print "Elapsed time ", ETIM(), " seconds." YG /@=Z.
