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············· 5'x Z9 K
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macro 正文：········· d"+ _`d=`
! centroid.zpl Fd._D"
! L.a~vk
1
! Written by Kenneth Moore 9/1/92 k7z{q/]M
! Added TIMER function 4/18/96 x6 |QTO
! "||G`%aO+t
TIMER Bv`3T Af2
! ,UD5>Ai
! The delta controls how many rays will be traced. A m h|HEkM
! delta of .025 will trace a 80 x 80 grid in the pupil. eh3CVgH91;
! ~s[Yu!(
delta = .025 6<UI%X
! r\|"j8
print "This program computes the chief ray coordinates," d UiS0Qs}
print "centroid coordinates, and middle coordinates for" ? =?9a
print "the primary wave spot at each field position." puGy`9eKv1
maxfield = maxf() E8We2T[^M
if maxfield == 0 then maxfield = 1 dr4 m}v.
n = nsur() Uq2 Qh@B
f = 1 [_p&,$z8[
label 1 l`{JxVg
hx = fldx(f)/maxfield H3S u'3
hy = fldy(f)/maxfield iHyA;'!Os
raytrace hx,hy,0,0 Y F W0
format 10.4 Pu!%sG jD
print 5 5 `cNZ
print " X Field = ", fldx(f), q5~fU$ ,
print " Y Field = ", fldy(f) jt ",\%j
print " X Chief = ",rayx(n), ivi&;
print " Y Chief = ",rayy(n) >@^j9 {\
xraymax = -9e9 ~Q 1%DV.
yraymax = -9e9 /?:] f
xraymin = 9e9 1
BVpv7@
yraymin = 9e9 QBT_H"[
xraytot = 0 @nF# \
yraytot = 0 N~ M-|^L
numray = 0 9{{ CNy
p
numrayattempt = 0 U^$l$"~"
px = -1 - delta K 7d] p0d'
label 2 <' b%
px = px + delta Hd=!
py = -1 - delta 5,W DmhJ
label 3
p:^;A/D
py = py + delta ]i:O+t/U
rad = px*px + py*py ,u< aKae
if rad <= 0.9999999 `]g}M ,
raytrace hx, hy, px, py ; +]GyDgVq
numrayattempt = numrayattempt+1 }U7 ><I
if !rayv(n) **************************** p \7(IhW@
numray = numray + 1 9#niMv9
x = rayx(n) Y<-dd"\
y = rayy(n) w.H\j9E
l
if (x < xraymin) then xraymin = x $+ ?A[{JG
if (x > xraymax) then xraymax = x B (dq$+4
if (y < yraymin) then yraymin = y p[- bu B]
if (y > yraymax) then yraymax = y }c*6|B@f
xraytot = xraytot + x 0sKY;(
yraytot = yraytot + y -|xyj2M
endif N{6Lvq [8
endif rF5O ?<(
if py < 1.0 then goto 3 w`J s "_\
if px < 1.0 then goto 2
$mG&4Y
if numray c)fTI,.$
format 14.8 w0^T- O`<
print " X Centroid = ",xraytot/numray, I-
X|-
print " Y Centroid = ",yraytot/numray !B{N:?r
print " X Middle = ",(xraymax+xraymin)/2, NbnuQPb'
print " Y Middle = ",(yraymax+yraymin)/2 "J%/xj
format .0 hUy\)GsT
print " ",numray, " out of ", numrayattempt," rays made it through." I 0}+}{M:
else YkLEK|d
print " No rays made it through!" r z%=qY
endif &Q"Ox{~W
f=f+1 J m8#M z
if f<= nfld() then goto 1 C.$`HGv
print )/F1,&/N`e
print "All field positions done!" &Rx-zp&dJ
FORMAT 0.1 sX,oJIt
print "Elapsed time ", ETIM(), " seconds." T6ajWUw
