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<qiGDJ<d
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macro 正文：········· E"0>yl)
! centroid.zpl WhDJ7{D
! {Ha57Wk8D
! Written by Kenneth Moore 9/1/92 \v/[6&|X0s
! Added TIMER function 4/18/96 xC?h2 hIt
! @PU [:;
TIMER 0$nj MnB2l
! SA z
! The delta controls how many rays will be traced. A aDCwI :Li(
! delta of .025 will trace a 80 x 80 grid in the pupil. z)"=:o7
! i9$ Av
delta = .025 r
:dT z
!
bZ6+,J
print "This program computes the chief ray coordinates," +h$
9\
print "centroid coordinates, and middle coordinates for" m kexc~l
print "the primary wave spot at each field position." @WB@]-+J
T
maxfield = maxf() ,vDbp?)'U
if maxfield == 0 then maxfield = 1 ##{taR8
n = nsur() y)*R V;^
f = 1 <uJ@:oWG7
label 1 ctUp=po
hx = fldx(f)/maxfield Y$zSQ_k;U
hy = fldy(f)/maxfield +n)9Tz5
raytrace hx,hy,0,0 OKV8zO
format 10.4 j39wA~ K
print g+l CMW\
print " X Field = ", fldx(f), ;nGa.= "L
print " Y Field = ", fldy(f) v2?ZQeHr_(
print " X Chief = ",rayx(n), L r<cMK<
print " Y Chief = ",rayy(n) ww/ Uzv
xraymax = -9e9 6 nQq
yraymax = -9e9 * ] (iS
xraymin = 9e9 P%zK;#8V
yraymin = 9e9 Y0>y8U V
xraytot = 0 D]}G.v1
yraytot = 0 rGO8!X 3d
numray = 0 fIF8%J ^3
numrayattempt = 0 kP"9&R`E
px = -1 - delta "}!G!k:
label 2 HV.t6@\};
px = px + delta =Uh$&m
py = -1 - delta ;aBG,dr}i
label 3 ]tD]Wx%
py = py + delta }*-@!wc-N
rad = px*px + py*py PeT'^?>
if rad <= 0.9999999 OY d !v`<
raytrace hx, hy, px, py %LV9=!w
numrayattempt = numrayattempt+1 &vJH$R
if !rayv(n) **************************** ]!
dTG
numray = numray + 1 ;fJ.8C
x = rayx(n) (?c-iKGc
y = rayy(n) ] @'!lh Li
if (x < xraymin) then xraymin = x q@qsp&0/
if (x > xraymax) then xraymax = x 6-I'>\U~
if (y < yraymin) then yraymin = y j F>[?L
if (y > yraymax) then yraymax = y :
'c&,oLY
xraytot = xraytot + x ;]iRk
yraytot = yraytot + y `g,..Ns-r
endif N$DkX)Z
endif #?E"x/$Y6
if py < 1.0 then goto 3 p[-O( 3Y
if px < 1.0 then goto 2 :svq E+2
if numray +:f"Y0
format 14.8 KP"+e:a%
print " X Centroid = ",xraytot/numray, +%&yJ4 -
print " Y Centroid = ",yraytot/numray yr6V3],Tp
print " X Middle = ",(xraymax+xraymin)/2, <[phnU^
8
print " Y Middle = ",(yraymax+yraymin)/2 @oNXZRg6
format .0 ?(PKeq6
print " ",numray, " out of ", numrayattempt," rays made it through." IcEdG(
else 4JEpl'5^Q
print " No rays made it through!" [e
q& C_|D
endif "8/,Y"W"
f=f+1 !W\+#e z
if f<= nfld() then goto 1 dI2
V>vk
print ~?dI*BZ )]
print "All field positions done!" Z G :{[sT
FORMAT 0.1 I|OoRq
print "Elapsed time ", ETIM(), " seconds." Fs{*XKv&lH
