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············· |b.xG_-s1
/9I/^i~
macro 正文：········· (uDd_@a9t
! centroid.zpl 3)\fZYu)
! NId.TaXh
! Written by Kenneth Moore 9/1/92 0.n[_?< (
! Added TIMER function 4/18/96 =uAy/S
! m J k\$/Kh
TIMER Jut&J]{h
! E 8}evi
! The delta controls how many rays will be traced. A (A6~mi r!
! delta of .025 will trace a 80 x 80 grid in the pupil. /kkUEo+
! _"yA1D0d_
delta = .025 fTvm2+ .nX
! 'EA skA] *
print "This program computes the chief ray coordinates," wL
4Y%g
print "centroid coordinates, and middle coordinates for" V<H9KA
print "the primary wave spot at each field position." 9iZio3m
maxfield = maxf() n%J=!z3
if maxfield == 0 then maxfield = 1 p T 8?z
n = nsur() u%) gnj_
f = 1 ty0P9.Q
label 1 IyyBW2
hx = fldx(f)/maxfield yivu|q
hy = fldy(f)/maxfield L8 PX SJ
raytrace hx,hy,0,0 X(nyTR8
format 10.4 F1L[3D^-
print 4#0 3x:/<\
print " X Field = ", fldx(f), y-1e (:GF
print " Y Field = ", fldy(f) o"
,8
print " X Chief = ",rayx(n), d"#Zp&#
print " Y Chief = ",rayy(n) Q]xkDr?
xraymax = -9e9 .=#j dc/
yraymax = -9e9 K -rR)-rI
xraymin = 9e9 Ytlzn%
yraymin = 9e9 _f^KP@^j
xraytot = 0 IFX$\+-
yraytot = 0 UlE%\L0GD&
numray = 0 &HM-UC|
numrayattempt = 0 ; J 5z
px = -1 - delta 5h#h> 0F
label 2 cu0IFNF}[
px = px + delta X TJD>
py = -1 - delta e}e8WR=B
label 3 <s'de$[
py = py + delta `)n4I:)2
rad = px*px + py*py ?W' p&(;
if rad <= 0.9999999 7R2O[=Szq
raytrace hx, hy, px, py EX`P (=zD
numrayattempt = numrayattempt+1 p%"dYH%]&0
if !rayv(n) **************************** fo@^=-4A-
numray = numray + 1 .z`70ot?
x = rayx(n) @%R<3!3v
y = rayy(n) A]/o-S_
if (x < xraymin) then xraymin = x /8h=6"
if (x > xraymax) then xraymax = x ssi 7)0
if (y < yraymin) then yraymin = y "n!yK
if (y > yraymax) then yraymax = y G:=hg6 '
xraytot = xraytot + x ?0VR2Yb${b
yraytot = yraytot + y LmF ,en5
endif #dA$k +3
endif 6gg8 h>b
if py < 1.0 then goto 3 AC)
M2;
if px < 1.0 then goto 2 q!5:M\
if numray I#M3cI!X?
format 14.8 >d 2Fa4u3
print " X Centroid = ",xraytot/numray, az(<<2=
print " Y Centroid = ",yraytot/numray Wp=3heCa6
print " X Middle = ",(xraymax+xraymin)/2, 2@D`^]]
print " Y Middle = ",(yraymax+yraymin)/2 9B: 3Ha=
format .0 +$,Re.WnP
print " ",numray, " out of ", numrayattempt," rays made it through." % t9C
else LwH#|8F
print " No rays made it through!" 'x!\pE-
endif m|@H`=` d
f=f+1 ~?Q sr
if f<= nfld() then goto 1 0 M_oFx
print &v{Ehkr*
print "All field positions done!" 5</$dcG
FORMAT 0.1 &_ekA44 E
print "Elapsed time ", ETIM(), " seconds." I &t~o
