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············· um( xZ6&m
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macro 正文：········· HoeW6U V
! centroid.zpl D )Jac@ ,0
! .5 {< bY
! Written by Kenneth Moore 9/1/92 1vJj?Uqc
! Added TIMER function 4/18/96 vCOtED*<
! k6RH]Ha
TIMER .%M80X{5~
! %<U0
! The delta controls how many rays will be traced. A 4 DV,f2:R4
! delta of .025 will trace a 80 x 80 grid in the pupil. "2 :zWh7|
! y,qn 9
delta = .025 aH_FBY
! ;r.# |b
print "This program computes the chief ray coordinates,"
f<'D?d)L^
print "centroid coordinates, and middle coordinates for" la^K|!|
print "the primary wave spot at each field position." um2} XI
maxfield = maxf() nFn}
if maxfield == 0 then maxfield = 1 i#*lK7
n = nsur() pP#|: %
f = 1 q_"w,28
label 1 ( iJ
/
hx = fldx(f)/maxfield DH4IF i>
hy = fldy(f)/maxfield -q&,7 'V
raytrace hx,hy,0,0 ?H_>?,^
format 10.4 82 o|(pw
print nu 2m5RYx
print " X Field = ", fldx(f), E #!.;AQ
print " Y Field = ", fldy(f) vw-y:,5`t8
print " X Chief = ",rayx(n), ? Y luX
print " Y Chief = ",rayy(n) Oa M~rze
xraymax = -9e9 8CH9&N5W5t
yraymax = -9e9 ~4mRm!DP
xraymin = 9e9 @,LU!#y(
yraymin = 9e9 9eR";Wm])
xraytot = 0 >Qg-dJt[
yraytot = 0 -av=5hm
numray = 0 >T{TE"XyO|
numrayattempt = 0 O2U }jHsd
px = -1 - delta ~Qf\DTM&
label 2 d vo|9 >
px = px + delta ^E~1%Md.
py = -1 - delta 7c6-
o"A
label 3 ^)a j, U[
py = py + delta 0}'/ 3Q
rad = px*px + py*py Rh ) %;
if rad <= 0.9999999 8m[o*E.4F
raytrace hx, hy, px, py Rv.IHSQUo
numrayattempt = numrayattempt+1 9`KFJx6D
if !rayv(n) **************************** ^SM5o K
numray = numray + 1 6:Y2z!MLO
x = rayx(n) j'lC]}kH
y = rayy(n) {]dvzoE]
if (x < xraymin) then xraymin = x /fU -0a8
if (x > xraymax) then xraymax = x RPjw12Ly
if (y < yraymin) then yraymin = y SQ'%a-Mct
if (y > yraymax) then yraymax = y V0%a/Hi v
xraytot = xraytot + x b~<:k\EE
yraytot = yraytot + y lAo4)
endif 7 ;2>kgf~
endif X0]$Ovq( l
if py < 1.0 then goto 3 F'JT7# eX
if px < 1.0 then goto 2 ~&"'>C#
if numray Z&7Yl(|
format 14.8 5@pLGMHT
print " X Centroid = ",xraytot/numray, Tl+PRR6D*
print " Y Centroid = ",yraytot/numray lAGntYv
print " X Middle = ",(xraymax+xraymin)/2, voJJoy%
print " Y Middle = ",(yraymax+yraymin)/2 .z*}%,G
format .0 9hJ
a K
print " ",numray, " out of ", numrayattempt," rays made it through." =F5 zU5`i
else Zcg-i:@
print " No rays made it through!" ID<[=es6
endif ]u:Ij|.'y0
f=f+1 \!%~( FM
if f<= nfld() then goto 1 8A u W>7_
print _lC0XDZ
print "All field positions done!" _SH~. Mt_!
FORMAT 0.1 &!FI!T
-WH
print "Elapsed time ", ETIM(), " seconds." 7|o}m}yVx
