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············· SwH #=hg
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macro 正文：········· z)&&Ym#
! centroid.zpl [}l
1`>
! ta SYR$V J
! Written by Kenneth Moore 9/1/92 w 3L+7V, !
! Added TIMER function 4/18/96 k~1{|HxrE
! i?F~]8
TIMER m`,h nDp
! xAf?E%_pi
! The delta controls how many rays will be traced. A ;p( Doy)i
! delta of .025 will trace a 80 x 80 grid in the pupil. i+Xb3+R
! _lOyT$DN
delta = .025 {f>e~o
! VB+y9$Y'
print "This program computes the chief ray coordinates," WZ@$bf}f0
print "centroid coordinates, and middle coordinates for" )5U7 w
print "the primary wave spot at each field position." {' zs4)vw
maxfield = maxf() ZN`I4Ak
if maxfield == 0 then maxfield = 1 qS[nf>"
n = nsur() IkLcL8P^
f = 1 @%As>X<3t
label 1 ^+dL7g?+
hx = fldx(f)/maxfield )}\J
hy = fldy(f)/maxfield M0MvOO*ad
raytrace hx,hy,0,0 W%}zwQ
format 10.4 Kx,<-]4
print ^<e(3S:
print " X Field = ", fldx(f), z`y^o*qc]
print " Y Field = ", fldy(f) R ?kyJ4S
print " X Chief = ",rayx(n), ]*AQT 7PH
print " Y Chief = ",rayy(n) v}"DW?
xraymax = -9e9 TP)}1 @
yraymax = -9e9 hzy#%FaB
xraymin = 9e9 @yn1#E,
yraymin = 9e9 k Rp$[^ma
xraytot = 0 <3b Ft [
yraytot = 0 zAd%dbU|
numray = 0 0qo : M3
numrayattempt = 0 p w`YMk
px = -1 - delta #6Fc-ysk:
label 2 $)M 5@KT
px = px + delta yUFT9bD
py = -1 - delta D3;#:
label 3 kCU (Hi`Q
py = py + delta $+[
v17lF
rad = px*px + py*py 8}!WJ2[R
if rad <= 0.9999999 [`|g j
raytrace hx, hy, px, py ;XGO@*V5T
numrayattempt = numrayattempt+1 e:RgCDWL
if !rayv(n) **************************** FO
xZkU\e=
numray = numray + 1 kR;Hb3hb
x = rayx(n) (%iCP/E3
y = rayy(n) ' u4TI=[6
if (x < xraymin) then xraymin = x #?RT$L>n
if (x > xraymax) then xraymax = x B["C~aF
if (y < yraymin) then yraymin = y 6n$g73u<=3
if (y > yraymax) then yraymax = y %8g1h)F"S
xraytot = xraytot + x O/PO?>@-/
yraytot = yraytot + y h2m@Q={
endif \zyvu7YA
endif 77p8|63
if py < 1.0 then goto 3 ]F*fQ Ncjy
if px < 1.0 then goto 2 S/7?6y~
if numray o0F&, |'
format 14.8 - 1tiy.^$F
print " X Centroid = ",xraytot/numray, /}$D&KwYg
print " Y Centroid = ",yraytot/numray 4:Id8r zz
print " X Middle = ",(xraymax+xraymin)/2, $~<]G)*Z
print " Y Middle = ",(yraymax+yraymin)/2 ._US8
format .0 Hn!13+fS
print " ",numray, " out of ", numrayattempt," rays made it through." 4,qhWe`/
else FWDAG$K@0
print " No rays made it through!" 9._owKj
endif 0}I aWd^4
f=f+1 4b :q 84
if f<= nfld() then goto 1 3/ 0E9'
print ])NQzgS
print "All field positions done!" q2~@z-q)b
FORMAT 0.1 xy[a Zr
print "Elapsed time ", ETIM(), " seconds." *32hIiCm
