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············· $T* ##kyE9
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macro 正文：········· R7aS{8nn
! centroid.zpl &X0/7)*"v
! a, X= !oJ
! Written by Kenneth Moore 9/1/92 X&qRanOP;z
! Added TIMER function 4/18/96 bSH lR#!6
! R:= C
TIMER pl62mp!
! pcw!e_"+
! The delta controls how many rays will be traced. A `< 8Fc`;[
! delta of .025 will trace a 80 x 80 grid in the pupil. 47I5Y5
! ON Qp -$
delta = .025 5M Y+O\
! 9D74/3b*
print "This program computes the chief ray coordinates," AU1P?lk
print "centroid coordinates, and middle coordinates for" W}B 4^l
print "the primary wave spot at each field position." <}'hkEh{d=
maxfield = maxf() +js3o@Ku{\
if maxfield == 0 then maxfield = 1 etF?,^)h=g
n = nsur() YbZ<=ZzO4
f = 1 7 Cf%v`B4D
label 1 ^9T6Ix{=
hx = fldx(f)/maxfield a(CZG IB
hy = fldy(f)/maxfield x)<5f| j
raytrace hx,hy,0,0 pGw|T~e%
format 10.4 /bA\O
print _@D}2
print " X Field = ", fldx(f), P HRc*G{
print " Y Field = ", fldy(f) =y >P>&sI
print " X Chief = ",rayx(n), Gjuc"JR7
print " Y Chief = ",rayy(n) -k\7k2
xraymax = -9e9 ll;#4~iA
yraymax = -9e9 @(.?e<
xraymin = 9e9 =!NYvwg6;o
yraymin = 9e9 Z5~dU{XsT
xraytot = 0 <x@\3{{U
yraytot = 0 u#=Yv |9
numray = 0 ~h -G
numrayattempt = 0 K8*QS_*
px = -1 - delta 6 .DJR Y
label 2 .FK'T G
px = px + delta }]sI?&xB
py = -1 - delta #f]R:Ix>
label 3 {(G@YG?
py = py + delta 8 g'9( )&
rad = px*px + py*py QQ@, v @j5
if rad <= 0.9999999 >K#Z]k
raytrace hx, hy, px, py js Tb0
numrayattempt = numrayattempt+1 o*/\ oVOq
if !rayv(n) **************************** IDBhhv3ak
numray = numray + 1 k 1 >%wR
x = rayx(n) mm%w0dOb"
y = rayy(n) qcke8Q
if (x < xraymin) then xraymin = x <Xw 6m$fr:
if (x > xraymax) then xraymax = x *sf9(%j
if (y < yraymin) then yraymin = y lj %8(X u
if (y > yraymax) then yraymax = y D+rDgrv
xraytot = xraytot + x !Dkz6B*
yraytot = yraytot + y heZ)+}U~
endif "n
'*_rh>+
endif _5M!ec
if py < 1.0 then goto 3 ;3\F b 3d
if px < 1.0 then goto 2 &dvJg
if numray `ZN@L<I6
format 14.8 R#tz"T@
print " X Centroid = ",xraytot/numray, G% ycA m
print " Y Centroid = ",yraytot/numray =pWpHbB.
print " X Middle = ",(xraymax+xraymin)/2, P;KbS~ SlC
print " Y Middle = ",(yraymax+yraymin)/2 h0n0Dc{4
format .0 W_8 FzXA
print " ",numray, " out of ", numrayattempt," rays made it through." `(;d+fof
else MS^,h>KI
print " No rays made it through!" 2bX !-h
endif &m8B%9w
f=f+1 D]y6*Ha
if f<= nfld() then goto 1 _KmpC>J+
print ml=1R >#'
print "All field positions done!" A# 1aO
FORMAT 0.1 {z@vSQ=)=P
print "Elapsed time ", ETIM(), " seconds." !QVd'e
