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············· cH5@Jam
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macro 正文：········· w&M)ws;$
! centroid.zpl W WO@UL GY
! SO}$96
! Written by Kenneth Moore 9/1/92 WFOO6
kMz
! Added TIMER function 4/18/96 #WOb&h
! W w{|:>j
TIMER k 5<[N2D|!
! mXX9A a>
! The delta controls how many rays will be traced. A efK)6T^p
! delta of .025 will trace a 80 x 80 grid in the pupil. hhS]wM?B
! a ]P S `
delta = .025 ?z:Xdx\l
! rCwjy&SuU^
print "This program computes the chief ray coordinates," ^'g1? F$_
print "centroid coordinates, and middle coordinates for" pB3dx#l
print "the primary wave spot at each field position." 1I'ep\`"X
maxfield = maxf() 3$R^tY2UU
if maxfield == 0 then maxfield = 1 wbC'SOM
n = nsur() q{rc[ s?
f = 1 `=]I -5#.W
label 1 a]-.@^:_i
hx = fldx(f)/maxfield `OY_v=}
hy = fldy(f)/maxfield vFKt=o$ g
raytrace hx,hy,0,0 ?c vXuxCm
format 10.4 .ZK|%VGW
print ~}SOd<n)|
print " X Field = ", fldx(f), :QSCky*i
print " Y Field = ", fldy(f) e[3 rz%'Q
print " X Chief = ",rayx(n), nFVQOr;
print " Y Chief = ",rayy(n) Iw ? M>'l
xraymax = -9e9 ++s=$D
yraymax = -9e9 y=L9E?
xraymin = 9e9 -?8;-h, h
yraymin = 9e9 K1P3
FfG
xraytot = 0 JsOu
*9R
yraytot = 0 z Uw9
numray = 0 u -CC UMR
numrayattempt = 0 t=`bXBX1
px = -1 - delta FyXz(l:
label 2 p'2ZDd =v
px = px + delta ]LvpYRU$P
py = -1 - delta ] M "l-A
label 3 oS b,)k@
py = py + delta uZyR{~-C
rad = px*px + py*py UT atcn
if rad <= 0.9999999 H 8>u:
raytrace hx, hy, px, py [l+1zt0w0
numrayattempt = numrayattempt+1 # j_< iy
if !rayv(n) **************************** &^H qbLz
numray = numray + 1 cuJ%;q=;
x = rayx(n) @K 8sNPK
y = rayy(n) =H'7g 6
if (x < xraymin) then xraymin = x 49o5" M(
if (x > xraymax) then xraymax = x XO)|l8t#$=
if (y < yraymin) then yraymin = y Kvu0Av-7
if (y > yraymax) then yraymax = y RH, 1U3?
xraytot = xraytot + x =[O;/~J%:
yraytot = yraytot + y J?ljq A}i
endif z 0;+.E!
endif MZt~
Abt
if py < 1.0 then goto 3 {+V1>6
if px < 1.0 then goto 2 3pSkk
if numray e1e2Wk
format 14.8 x(e =@/ qp
print " X Centroid = ",xraytot/numray, B!vI^W
print " Y Centroid = ",yraytot/numray giy 4<
print " X Middle = ",(xraymax+xraymin)/2, qg;[~JZYKi
print " Y Middle = ",(yraymax+yraymin)/2
S[o_$@|
format .0 Fe(qf>E
print " ",numray, " out of ", numrayattempt," rays made it through." I("J$
else -[kbHrl&
print " No rays made it through!" * \@u,[,
endif `(|jm$Q
f=f+1 ^-3R+U- S
if f<= nfld() then goto 1 Qt_LBJ UWV
print c&Pgz~iP
print "All field positions done!" q]%c
6 {w
FORMAT 0.1 ';buS -|6
print "Elapsed time ", ETIM(), " seconds." lGa'Y
