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············· _43 :1!os
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macro 正文：········· xZp`Ke!
! centroid.zpl W kK.ON^
! @4%x7%+[c
! Written by Kenneth Moore 9/1/92 F+::UWKA
! Added TIMER function 4/18/96 i-31Cxb
! d> L*2 g
TIMER 2 [yfo8H
! `&qeSEs\
! The delta controls how many rays will be traced. A <"
F|K!Tz
! delta of .025 will trace a 80 x 80 grid in the pupil. 5=9gH
! 7wwlZ;w
delta = .025 #;Z+ X)
! r`!S *zK
print "This program computes the chief ray coordinates," 4@* `V
print "centroid coordinates, and middle coordinates for" 0O7VM )[
print "the primary wave spot at each field position." ulxy 4] h
maxfield = maxf() /_CSRi&
if maxfield == 0 then maxfield = 1 _,5)
n = nsur() iV8O<en&i
f = 1 :H`Z.>K
label 1 50^ T \u
hx = fldx(f)/maxfield lO dw H"
hy = fldy(f)/maxfield /d]{ #,k
raytrace hx,hy,0,0 b1 frAA
format 10.4 y/yg-\/XF
print wNhtw'E8
print " X Field = ", fldx(f), 5sK1rDN
print " Y Field = ", fldy(f) Y#aHGZ $i
print " X Chief = ",rayx(n), R|O."&CAB
print " Y Chief = ",rayy(n) hNGD `"U
xraymax = -9e9 ^ G@o} Z
yraymax = -9e9 |4A938'4j
xraymin = 9e9 I85bzzZB
yraymin = 9e9 {\zB'SNq
xraytot = 0 x\2N
@*I:
yraytot = 0 aO>Nev
numray = 0 osW"b"_f
numrayattempt = 0 xyc`p[n &
px = -1 - delta S#l6=zI7^R
label 2 e x`mu E
px = px + delta 6I,4 6 XZ-
py = -1 - delta /6a617?9J
label 3 g$$j:U*-
py = py + delta !xo; $4
rad = px*px + py*py 2%zJI"Ic
if rad <= 0.9999999 Ve\=By-a|
raytrace hx, hy, px, py Z=\wI:TY1
numrayattempt = numrayattempt+1 !$|h[ct
if !rayv(n) **************************** [_,Gk]F=
numray = numray + 1 NgPY/R>
x = rayx(n) RFqf$
y = rayy(n) tOf18V{a
if (x < xraymin) then xraymin = x } iCcXZ&5^
if (x > xraymax) then xraymax = x 0-a[[hL?
if (y < yraymin) then yraymin = y Y<oDv`a Z0
if (y > yraymax) then yraymax = y \" W _\&X
xraytot = xraytot + x 3 h~U)mg
yraytot = yraytot + y Oe:_B/l
endif [j^c&}0
endif #_}r)q
if py < 1.0 then goto 3 U>jLh57
if px < 1.0 then goto 2 Fi!XaO
if numray xfJ&11 fG2
format 14.8 skR I \
print " X Centroid = ",xraytot/numray, n. \|NR'v
print " Y Centroid = ",yraytot/numray C=|X]"*:u0
print " X Middle = ",(xraymax+xraymin)/2, SF2<
print " Y Middle = ",(yraymax+yraymin)/2 V]I+>Zn| 7
format .0 #3m7`}c
print " ",numray, " out of ", numrayattempt," rays made it through." C].w)B
else ); <Le6
print " No rays made it through!" iS%m d
endif ^~:&/ 0
f=f+1 1}"PLq(
if f<= nfld() then goto 1 pJpTOq\h
print W
n43TSs-
print "All field positions done!" ?}g#Mc
FORMAT 0.1 `zZGL&9m`
print "Elapsed time ", ETIM(), " seconds." t<QSp6n""
