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············· Ov|j{}=L=9
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macro 正文：········· Kaa*;T![
! centroid.zpl @$*c0 .
|z
! 4(&'V+o
! Written by Kenneth Moore 9/1/92 M,@SUu v "
! Added TIMER function 4/18/96 !eq ]V9
! fkG8,=
TIMER ;E&XFTdO
! 4
5lg&oO
! The delta controls how many rays will be traced. A cm3Y!p{p"
! delta of .025 will trace a 80 x 80 grid in the pupil. *O5+?J Z!
! L$xRn/\
delta = .025 op*+fJHD
! <H)@vW]_
print "This program computes the chief ray coordinates," ?MYD}`Cv
print "centroid coordinates, and middle coordinates for" >guQY I@4,
print "the primary wave spot at each field position." qW Fg~s#+
maxfield = maxf() o7+/v70D
if maxfield == 0 then maxfield = 1 -0`hJ_(
n = nsur() p(G ?
f = 1 Ae#6=]V+^
label 1 w}0Q y
hx = fldx(f)/maxfield T42g4j/l~
hy = fldy(f)/maxfield +Xp;T`,v
raytrace hx,hy,0,0 K)?^b|D
format 10.4 Vk (bU=w
print 6&Dvp1`m
print " X Field = ", fldx(f), ,gvX ~k
print " Y Field = ", fldy(f) <@A^C$g
print " X Chief = ",rayx(n), 2z\F m/Z.
print " Y Chief = ",rayy(n) .% rR
xraymax = -9e9 ttnXEF
yraymax = -9e9 4.'EEuRw\}
xraymin = 9e9 $ZRN#x@
yraymin = 9e9 IT (c'}
xraytot = 0 h 3&:"*A2
yraytot = 0
n@Ag`}
numray = 0 vt
N5{C
numrayattempt = 0 qM0MSwvC=
px = -1 - delta yLx.*I^6
label 2 4m*(D5Y=|
px = px + delta )ta5y7np
py = -1 - delta LXLDu2/@
label 3 l8-jFeeMd
py = py + delta C=IH#E=
rad = px*px + py*py ,#T3OA!c**
if rad <= 0.9999999 FW DuH`-5
raytrace hx, hy, px, py 6bNW1] rD
numrayattempt = numrayattempt+1 Q*.FUV&;
if !rayv(n) **************************** ]eW|}V7A:
numray = numray + 1 0EOX@;}
x = rayx(n) CD_f[u
y = rayy(n) aS vE
if (x < xraymin) then xraymin = x #!jRY!2Vt
if (x > xraymax) then xraymax = x Ij1 ]GZ`A(
if (y < yraymin) then yraymin = y k+[KD >;1
if (y > yraymax) then yraymax = y fWyDWU
xraytot = xraytot + x pT@!O}'$
yraytot = yraytot + y \bic.0-
endif x\.i `ukx
endif xbC8Amo;8"
if py < 1.0 then goto 3 ^Nw]'e3
if px < 1.0 then goto 2 ?(q*U! =
if numray S=,1}
XZ
format 14.8 Iv72;ZCh?6
print " X Centroid = ",xraytot/numray, J&:W4\ m
print " Y Centroid = ",yraytot/numray l;*l PRoW,
print " X Middle = ",(xraymax+xraymin)/2, k6 '#
print " Y Middle = ",(yraymax+yraymin)/2 wLSZL
format .0 d7J[ .^\
print " ",numray, " out of ", numrayattempt," rays made it through." m-> %8{L
else -]\E}Ti
print " No rays made it through!" 3:joSQa
endif {(}w4.!
f=f+1 Y@H,Lk
if f<= nfld() then goto 1 } Tr83B|
print B" m:<@ "
print "All field positions done!" 0DB<hpC:5
FORMAT 0.1 R+K&<Rz
print "Elapsed time ", ETIM(), " seconds." _MbVF>JOx
