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············· q7f`:P9~
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macro 正文：········· `lWGwFg g(
! centroid.zpl
WZY+c
! ENIg_s4
! Written by Kenneth Moore 9/1/92 Y0T :%
! Added TIMER function 4/18/96 `[g$EXX
! kfZ `|w@q
TIMER Qrg- xu=
! "YY<T&n
! The delta controls how many rays will be traced. A X:$vP'B>
! delta of .025 will trace a 80 x 80 grid in the pupil. }7(+#ISK6
! !'p<Kh[i
delta = .025 t!*[nfR
! ?d^6ynzn
print "This program computes the chief ray coordinates," e15yDwvB
print "centroid coordinates, and middle coordinates for" -0#"<!N
print "the primary wave spot at each field position." ,]7ouH$H}
maxfield = maxf() 7Q9Hk(Z9
if maxfield == 0 then maxfield = 1 z k/`Uz
n = nsur() !p!Qg1O6o
f = 1 A,~KrRd
label 1 n]`]gLF\i
hx = fldx(f)/maxfield [n)ak)_/
hy = fldy(f)/maxfield 6XF Ufi+
raytrace hx,hy,0,0 3qf#NJN}
format 10.4 j?m(l,YD|*
print S.~L[iLc
print " X Field = ", fldx(f), SsTBjIX
print " Y Field = ", fldy(f) nPdk vs
print " X Chief = ",rayx(n), ,v
K%e>e&
print " Y Chief = ",rayy(n) 5L[imO M0
xraymax = -9e9 eyJWFJh
yraymax = -9e9 oI/_WY[t
xraymin = 9e9 ''@Tke3IG6
yraymin = 9e9 w01[oU$x=
xraytot = 0 I3Z?xsa@Z
yraytot = 0 Qe>_\-f
numray = 0 2A; i
numrayattempt = 0 S' ,h*e
px = -1 - delta U&1 O
label 2 Lv['/!DJ|
px = px + delta 5>.ATfAsV
py = -1 - delta eN.6 l2-
label 3 7 *+CX
py = py + delta QUn!& 55
rad = px*px + py*py LYEC X
if rad <= 0.9999999 pNOE
KiJ
raytrace hx, hy, px, py +;l DU}$
numrayattempt = numrayattempt+1 jH9PD8D\
if !rayv(n) **************************** b4cT n 6
numray = numray + 1 XXum2eA
x = rayx(n) @3KSoA"^
y = rayy(n) J FnE{
if (x < xraymin) then xraymin = x Q 4-d|
if (x > xraymax) then xraymax = x En9J7es_
if (y < yraymin) then yraymin = y @y7KP$t
if (y > yraymax) then yraymax = y ygnZ9ikh<-
xraytot = xraytot + x \O"H#gt
yraytot = yraytot + y 9;v3
(U+:
endif #X'-/q`.
endif [-VH%OM
if py < 1.0 then goto 3 hGY-d}npAJ
if px < 1.0 then goto 2 }.)R#hG ?
if numray M?sax +'
format 14.8 x )dLY .'|
print " X Centroid = ",xraytot/numray, 8QJr!#u
print " Y Centroid = ",yraytot/numray _lk V T']
print " X Middle = ",(xraymax+xraymin)/2, .:}<4;Qz94
print " Y Middle = ",(yraymax+yraymin)/2 &? bsBqpN
format .0
E/oLE^yL
print " ",numray, " out of ", numrayattempt," rays made it through." #~-Xt! I
else *W\ 3cS
print " No rays made it through!" , 4xNW:!j
endif j[:70%X
f=f+1 y4jiOh F<d
if f<= nfld() then goto 1 i4D]>
print {U_ ,y(V
print "All field positions done!"
gPB =Z!
FORMAT 0.1 e8 ]CB
print "Elapsed time ", ETIM(), " seconds." GBb8 }lx
