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············· WmeV[iI
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macro 正文：········· @I9A"4Im
! centroid.zpl ZjWI~"]
! alyWp
! Written by Kenneth Moore 9/1/92 }5EvBEv-)
! Added TIMER function 4/18/96 *5u0`k^j
! O.i.<VD7
TIMER C-&\qAo?<:
! NbH;@ R)L
! The delta controls how many rays will be traced. A k*J0K=U|
! delta of .025 will trace a 80 x 80 grid in the pupil. T< D&%)
! EW]rD
delta = .025 (V&$KDOA
! 09/Mg
print "This program computes the chief ray coordinates," 05Ak[OOU>
print "centroid coordinates, and middle coordinates for" w=,bF$:fIW
print "the primary wave spot at each field position." C h>r.OfP
maxfield = maxf() EjrK.|I 0
if maxfield == 0 then maxfield = 1 :wtK'ld
n = nsur() ;O+=
6>W
f = 1 N:_.z~>%
label 1 uWkW T.>$
hx = fldx(f)/maxfield 7* .nd
hy = fldy(f)/maxfield ,?S1e #
raytrace hx,hy,0,0 3VaL%+T$,
format 10.4 z#m ~}
print \I ( g70
print " X Field = ", fldx(f),
Z /RSZ-
print " Y Field = ", fldy(f) a[I
: ^S
print " X Chief = ",rayx(n), e w?4;
print " Y Chief = ",rayy(n) ~wvu7
xraymax = -9e9 &.F ]-1RN[
yraymax = -9e9 _\;0E!=p
xraymin = 9e9 *PM#ngLX}r
yraymin = 9e9 T\q:
xraytot = 0 S"H djEF7\
yraytot = 0 t^
Ge "
numray = 0 Y7 Bm W+
numrayattempt = 0 7H.3.j(L
px = -1 - delta 6+!$x?5|NP
label 2 u.;l=tzz
px = px + delta Ogv9_ X8
py = -1 - delta *O_>3Hgl
label 3 0Xb,ne
7
py = py + delta bI+/0X x
rad = px*px + py*py R#HVrzOO|T
if rad <= 0.9999999 2D U Y4Ti
raytrace hx, hy, px, py V_zU?}lZ^
numrayattempt = numrayattempt+1 B`|f" +.
if !rayv(n) **************************** ncrg`<'/,
numray = numray + 1 zG{P5@:.R
x = rayx(n) Wn2'uZ5If
y = rayy(n) bb M^J
if (x < xraymin) then xraymin = x sKCYGt$
if (x > xraymax) then xraymax = x ml@;ngmp.
if (y < yraymin) then yraymin = y L I*=T
if (y > yraymax) then yraymax = y Qo32oT[DM
xraytot = xraytot + x #/_{(P
yraytot = yraytot + y zzK<>@c
endif PriLV4?
endif t W+"/<U
if py < 1.0 then goto 3 /yHjd s
if px < 1.0 then goto 2 hjyM xg;Q?
if numray }{y)a< `
format 14.8 KRz~3yH{ c
print " X Centroid = ",xraytot/numray, {]2^b )
print " Y Centroid = ",yraytot/numray 0<7sM#sI!
print " X Middle = ",(xraymax+xraymin)/2, d a< > a
print " Y Middle = ",(yraymax+yraymin)/2 aq)g&.dw?
format .0 3\2%i 6W6
print " ",numray, " out of ", numrayattempt," rays made it through." zOd* >
else tn#cVB3
print " No rays made it through!" yDfH`]i)U
endif h4jo<yp\
f=f+1 <8(=Lv`)q
if f<= nfld() then goto 1 p[w! SR%=
print F e i5'
print "All field positions done!" ( <YBvpt4>
FORMAT 0.1 /78]u^SW
print "Elapsed time ", ETIM(), " seconds." yX4 Vv{g
