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············· =+_nV O*
~2>A dp
macro 正文：········· 3PkZXeH /
! centroid.zpl BP j?l
! qcO~}MJr}^
! Written by Kenneth Moore 9/1/92 v9H
t~\>
! Added TIMER function 4/18/96 vk|f"I
! 2 K_ QZ
TIMER <N<0 ?GQ
! c9c]1XJ
! The delta controls how many rays will be traced. A @ Nb/n
! delta of .025 will trace a 80 x 80 grid in the pupil. hR Xnig{;3
! J t.<Z&
delta = .025 I._ A
! ZN H-0mk
print "This program computes the chief ray coordinates," ^; /~ $
print "centroid coordinates, and middle coordinates for" "yH?df24
print "the primary wave spot at each field position." oC"
[rn
maxfield = maxf() S8q g"YR
if maxfield == 0 then maxfield = 1 Re~6 '
n = nsur() ~hq\XQX
f = 1 >&HW6 c
label 1 F~= kMQO
hx = fldx(f)/maxfield W'9{2h6u(
hy = fldy(f)/maxfield Oa:C'M
b
raytrace hx,hy,0,0
gwIR3u
format 10.4 ]?_~ QE`
print .}F
39TS2
print " X Field = ", fldx(f), $G <r2lPy
print " Y Field = ", fldy(f) zW\a)~ E
print " X Chief = ",rayx(n), #rW-jW=A
print " Y Chief = ",rayy(n) ~I N g9|
xraymax = -9e9 .4ww5k>
yraymax = -9e9 2wO8;wiA
xraymin = 9e9 78]*Jx>L
yraymin = 9e9 rZ,3:x-:
xraytot = 0 x]YzVJ =Y
yraytot = 0 O: I]v@
numray = 0 #<Y3*^~5d
numrayattempt = 0 Ru q; :5u
px = -1 - delta #:=c)[G8
label 2 m^BXLG:b
px = px + delta 7_3 6xpw
py = -1 - delta i' CK/l.H
label 3 Zl%)#=kO
py = py + delta hwk] ;6[
rad = px*px + py*py FnVW%fh
if rad <= 0.9999999 /Q9Cvj)"
raytrace hx, hy, px, py _ LgP
numrayattempt = numrayattempt+1 r[):'ys,C
if !rayv(n) **************************** q/w5Dx|:
numray = numray + 1 5G6 P p7[
x = rayx(n) DMA7eZf'Hv
y = rayy(n) CC@U'9]bH
if (x < xraymin) then xraymin = x 3W ]zLUn
if (x > xraymax) then xraymax = x %gn@B2z
if (y < yraymin) then yraymin = y pno}`Cer
if (y > yraymax) then yraymax = y hc$m1lLn
xraytot = xraytot + x VQf^ y q
yraytot = yraytot + y p" .wqg*W
endif Ax|'uvVAPT
endif M'|[:I.V
if py < 1.0 then goto 3 mGg/F&G9
if px < 1.0 then goto 2 [e\IHakj
if numray )Dms9:
format 14.8 *:\[;69[
print " X Centroid = ",xraytot/numray, ]?} pJ28
print " Y Centroid = ",yraytot/numray Jo8fMG\P
print " X Middle = ",(xraymax+xraymin)/2, s BW yU D
print " Y Middle = ",(yraymax+yraymin)/2 |H8C4^1Rq
format .0 gs0 jwI
print " ",numray, " out of ", numrayattempt," rays made it through."
d8 ~%(I9
else GLub 5GrxR
print " No rays made it through!" zGme}z;1@
endif YG?4DF
f=f+1 bCTN^
if f<= nfld() then goto 1 LIJ#n b
print e6J>qwD?
print "All field positions done!" _UP 9b@Z"
FORMAT 0.1 Z;u3G4XlF
print "Elapsed time ", ETIM(), " seconds." .|DrXJ \ c
