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············· U\y:\+e l
\gC h'3
macro 正文：········· a=_:`S]}
! centroid.zpl xTnFJ$RK2
!
nQ +$
! Written by Kenneth Moore 9/1/92 Nb3uDA5R
! Added TIMER function 4/18/96 xyzYY}PS
! N++ ;}j
TIMER yOTC>?p%
! L$t.$[~L
! The delta controls how many rays will be traced. A ) S zn,
! delta of .025 will trace a 80 x 80 grid in the pupil. S\M+*:7
! - y|*x-iZ
delta = .025 &v)/mc7D
! A<}nXHs-
print "This program computes the chief ray coordinates," ^#gJf*'UE
print "centroid coordinates, and middle coordinates for" gT_tR_g
print "the primary wave spot at each field position." -JfqY?Ue_2
maxfield = maxf() xp*Wf#BF
if maxfield == 0 then maxfield = 1 <sTY<i VR
n = nsur() ]xxE_B7
f = 1 U6?3 z
label 1 A$3ll| %j
hx = fldx(f)/maxfield {%Rn tb
hy = fldy(f)/maxfield S'(I G m4
raytrace hx,hy,0,0 y9Pw'4R
format 10.4 a9_KoOa.H
print L[voouaqm
print " X Field = ", fldx(f), fl8 eNi E|
print " Y Field = ", fldy(f) %bp'`B=
print " X Chief = ",rayx(n), FtW=Cc`hC_
print " Y Chief = ",rayy(n) C1==a FD
xraymax = -9e9 MX"M2>" pT
yraymax = -9e9 m1D,#=C,_
xraymin = 9e9 ThY\K>@]
yraymin = 9e9 )YVs =0j
xraytot = 0 Q k2*=B Vh
yraytot = 0 d(YAH@
numray = 0 *X!+wK-+
numrayattempt = 0 .npD<*
px = -1 - delta &})Zqc3Lqk
label 2 mtf><YU
px = px + delta [(; . D
py = -1 - delta T"DG$R,Aj
label 3 |RH^|2:x9Q
py = py + delta *7{{z%5Pu
rad = px*px + py*py N C3XJ
4
if rad <= 0.9999999 +h? Gps
raytrace hx, hy, px, py JM fv|>=
numrayattempt = numrayattempt+1
_ 'K6S
if !rayv(n) **************************** 6?'; ip
numray = numray + 1 *QT7\ht 3
x = rayx(n) 8iPA^b|sz{
y = rayy(n) &8dj*!4H
if (x < xraymin) then xraymin = x qFp]jbU
if (x > xraymax) then xraymax = x 734H{,~
if (y < yraymin) then yraymin = y )`#SMLMy~
if (y > yraymax) then yraymax = y mUfANlQ:
xraytot = xraytot + x nTE\EZ+=2
yraytot = yraytot + y v2ab84
C*
endif je74As[
endif nj#kzD[n>
if py < 1.0 then goto 3 yPf,GB"
if px < 1.0 then goto 2 NftR2
if numray K8uqLSP '
format 14.8 :cA8[!
print " X Centroid = ",xraytot/numray, geNvp0
print " Y Centroid = ",yraytot/numray *iUR1V Y
print " X Middle = ",(xraymax+xraymin)/2, _z@_.%P\
print " Y Middle = ",(yraymax+yraymin)/2 gWl49' S>+
format .0 $ VeQv m*
print " ",numray, " out of ", numrayattempt," rays made it through." h$d`Jmaq
else @`nU=kY/
print " No rays made it through!" K7ZRj\(CJv
endif \98|.EG
f=f+1 L-|u=c-6
if f<= nfld() then goto 1 L,3%}_
print JD ~]aoH
print "All field positions done!" C }71SlN'M
FORMAT 0.1 -yMD 9b
print "Elapsed time ", ETIM(), " seconds." ]x@36Ok)A
