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············· X
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macro 正文：········· t7VX W{3
! centroid.zpl 8G?{S.%.
! T)o)%Yv
! Written by Kenneth Moore 9/1/92 cmQLkT"#K
! Added TIMER function 4/18/96 oa:GGW4Q
! c;,jb
TIMER ]xf
lfZ
! "%+C@>`(
! The delta controls how many rays will be traced. A a X=
! delta of .025 will trace a 80 x 80 grid in the pupil. 1=DUFl.
! &`7tX.iMlh
delta = .025 Sd]` I)
! nq#k}Qx:
print "This program computes the chief ray coordinates," -\;x>=#B
print "centroid coordinates, and middle coordinates for" YoD1\ a|
print "the primary wave spot at each field position." 5 ^}zysY`
maxfield = maxf() W,zlR5+Jk
if maxfield == 0 then maxfield = 1 xbex6i"ZE
n = nsur() L+@RK6dq
f = 1 $CaF"5}?Ke
label 1 W
M/pP?||
hx = fldx(f)/maxfield f=v +D0K$n
hy = fldy(f)/maxfield '?+q3lps
raytrace hx,hy,0,0 iMnp `:*
format 10.4 @?_<A%hz
print +{
QyB
print " X Field = ", fldx(f), rj"oz"
print " Y Field = ", fldy(f) 3n' ]\V
print " X Chief = ",rayx(n), sL;qC\S
print " Y Chief = ",rayy(n) ,HXY|fYr
xraymax = -9e9 Lwgk}!KR
yraymax = -9e9 BH0@WG7F
xraymin = 9e9 pg69mKZ$
yraymin = 9e9 %WrUu|xj>_
xraytot = 0 m#+0uZm(
yraytot = 0 bet?5Dk
numray = 0 4oLrCQZ\
numrayattempt = 0 C=}YKsi|R|
px = -1 - delta 3O<:eS~
label 2 z65|NO6JW.
px = px + delta vMJv.O>HW
py = -1 - delta )*N]Q
label 3 MyZ@I7Fb,
py = py + delta \H+/D &M
rad = px*px + py*py ;4o f7d
if rad <= 0.9999999 S ?nXpYr
raytrace hx, hy, px, py M y AS'Ki
numrayattempt = numrayattempt+1 xMDx<sk
if !rayv(n) **************************** t^. U<M
numray = numray + 1 I.I:2E w+
x = rayx(n) 0qSd #jO
y = rayy(n) t WVbD%u^
if (x < xraymin) then xraymin = x +DS_'Tmr
if (x > xraymax) then xraymax = x ny17(Y =
if (y < yraymin) then yraymin = y %fMK^H 8{
if (y > yraymax) then yraymax = y % 'Ebm
xraytot = xraytot + x O<l_2?S1
yraytot = yraytot + y Oqeoh<y!\
endif |4BS\fx~N
endif
YuD 2Q{
if py < 1.0 then goto 3 >=c<6#:s<9
if px < 1.0 then goto 2 V%?oI]"
l
if numray fkWuSGi
format 14.8 HF}%O w
print " X Centroid = ",xraytot/numray, /02|b}{
print " Y Centroid = ",yraytot/numray z C6,m6Dv
print " X Middle = ",(xraymax+xraymin)/2, \?&P|7N
print " Y Middle = ",(yraymax+yraymin)/2 !"B0z+O>
format .0 U/&!F
print " ",numray, " out of ", numrayattempt," rays made it through." MGeHccqh2
else 2'tZ9m K
print " No rays made it through!" A-r-^S0\
endif kL,bM.;
f=f+1 49&p~g
if f<= nfld() then goto 1 ! FbW7"y E
print +=hiLfnE
print "All field positions done!" ;
k{w@L.@
FORMAT 0.1 ,tv
P"@d
print "Elapsed time ", ETIM(), " seconds." lN*O</L,"
