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············· L>4 "(
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macro 正文：········· 5uj?#)N
! centroid.zpl JYbL ?N
! o u{2@"
! Written by Kenneth Moore 9/1/92 l ?n\i]'
! Added TIMER function 4/18/96 [j/9neay e
! U>}w2bZ*
TIMER aQ\$A` ?
! )cMh0SGcM1
! The delta controls how many rays will be traced. A @>Km_A x
! delta of .025 will trace a 80 x 80 grid in the pupil. o9yJ f#-En
! w-L=LWL\
delta = .025 q ,]L$
! ra
g Xn
print "This program computes the chief ray coordinates," mLLDE;7|}
print "centroid coordinates, and middle coordinates for" 8 \A#CQ5b
print "the primary wave spot at each field position." sLT3Y}IO
maxfield = maxf() uo%)1NS!
if maxfield == 0 then maxfield = 1 o~y;j75{.*
n = nsur() =wV<hg)C
f = 1 Pw`8Wj
label 1 R=2FNP
hx = fldx(f)/maxfield ,G?WAOy,
hy = fldy(f)/maxfield E,x+Je KV
raytrace hx,hy,0,0 `%9 uE(
format 10.4 bI9~jWgGp
print oDA XiY$u
print " X Field = ", fldx(f), 6wjw ^m0
print " Y Field = ", fldy(f) #rQ2gx4
print " X Chief = ",rayx(n), 2*l/3VW
print " Y Chief = ",rayy(n) 6 Vnsi%{
xraymax = -9e9 fW1CFRHH
yraymax = -9e9 %axh`xK#
xraymin = 9e9 }?_?V&K|
yraymin = 9e9 ,77d(bR <
xraytot = 0 A> ;bHf@
yraytot = 0 [
=9T*Sp
numray = 0 ;) z:fToh
numrayattempt = 0 Nv }=L
: E
px = -1 - delta ' ;FnIZ
label 2 DGn;m\B
px = px + delta E ib5
py = -1 - delta a;qryUyG
label 3 ~#[yJNYQ
py = py + delta i0kak`x0
rad = px*px + py*py `*cxH..
if rad <= 0.9999999 b;W3 j
raytrace hx, hy, px, py CMG&7(MR
numrayattempt = numrayattempt+1 BWv^ zi
if !rayv(n) **************************** t[;LD_
numray = numray + 1 JWhdMU
x = rayx(n) Val|n*%
y = rayy(n) %XoiVlT@:
if (x < xraymin) then xraymin = x {
Vf XsI
if (x > xraymax) then xraymax = x r Iu$ pZO
if (y < yraymin) then yraymin = y GxI!{oi2
if (y > yraymax) then yraymax = y y@: h4u"3
xraytot = xraytot + x #64-~NVL_
yraytot = yraytot + y CR`Q#Yi
endif ):6 8%,
endif Q4!_>YZ
if py < 1.0 then goto 3 n&;85IF1
if px < 1.0 then goto 2 kYqU9cB~
if numray bz2ztH9 n
format 14.8 WwBOM~/`2
print " X Centroid = ",xraytot/numray, p{ Yv 3dNl
print " Y Centroid = ",yraytot/numray Fa Qe_;
print " X Middle = ",(xraymax+xraymin)/2, ~hnQUS`A
print " Y Middle = ",(yraymax+yraymin)/2 $%CF 8\0
format .0 ^T;*M_
print " ",numray, " out of ", numrayattempt," rays made it through." T@:Wp4>69
else RXpw!
print " No rays made it through!" o WrKM
endif XSe=sHEI
f=f+1 h-#6av :
if f<= nfld() then goto 1 qo90t {|c
print mPtZO*Fc
print "All field positions done!" ,.83m%i
FORMAT 0.1 X<`
print "Elapsed time ", ETIM(), " seconds." &Fz b6/
