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············· "lV bla4b
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macro 正文：·········
2 S
! centroid.zpl /KTWBcs 7
! >b7Yk)[%
! Written by Kenneth Moore 9/1/92 7_9^nDU
! Added TIMER function 4/18/96 qdPmTaak
! %!\ iII
TIMER \? n<UsI
! $6l^::U
! The delta controls how many rays will be traced. A M!`&Z9N
! delta of .025 will trace a 80 x 80 grid in the pupil. SpO%nZ";g8
! t5aX9WIW
delta = .025 Cl8S_Bz
! x ' v-]C(@
print "This program computes the chief ray coordinates," |4C5;"P c
print "centroid coordinates, and middle coordinates for" IKrojK8-?
print "the primary wave spot at each field position." ,. HS )<B
maxfield = maxf() 3,"G!0 y.
if maxfield == 0 then maxfield = 1
s ?JOGu
n = nsur() 8kf5u#,'
f = 1 }~v&
label 1 :IX_|8e ^
hx = fldx(f)/maxfield 5yL\@7u`
hy = fldy(f)/maxfield 'F%h]4|1
raytrace hx,hy,0,0 HGao} @'
format 10.4 3dx.%~c
print n v
?u
print " X Field = ", fldx(f), Of c
u4pi
print " Y Field = ", fldy(f) w5+(A_
print " X Chief = ",rayx(n), *x/H
print " Y Chief = ",rayy(n) (GoxiX l
xraymax = -9e9 y Rivf.wH
yraymax = -9e9 mwMc AUD]2
xraymin = 9e9 ctoh&5%!n+
yraymin = 9e9 WR9- HPF
xraytot = 0 #z61 I"kU
yraytot = 0 D4 T42L
numray = 0 V)fF|E~0
numrayattempt = 0 rA|&G'
px = -1 - delta v*kX?J#]5
label 2 ~#dfZa&
px = px + delta SN 4JX
py = -1 - delta Cb6K!5[q]
label 3 G b4p "3
py = py + delta L0R$T=~%)
rad = px*px + py*py 0Q~\1D 9g
if rad <= 0.9999999 GM Y[Gd
raytrace hx, hy, px, py *^iSP(dg
numrayattempt = numrayattempt+1 C {G;G@/7
if !rayv(n) **************************** _n0NE0
numray = numray + 1 j|>^wB
x = rayx(n)
e**5_L
y = rayy(n) \('WS[$2
if (x < xraymin) then xraymin = x 7ju^B/ 7
if (x > xraymax) then xraymax = x w0O(>
if (y < yraymin) then yraymin = y I%jlM0ZUI"
if (y > yraymax) then yraymax = y H~?7 : K
xraytot = xraytot + x WQ9VcCY
yraytot = yraytot + y N>iNz[a
q
endif ~uG/F?= Q:
endif Z-L }"~
if py < 1.0 then goto 3 qN^]`M[ BY
if px < 1.0 then goto 2 yuhY )T
if numray JF'<""
format 14.8 HOr Xxxp1^
print " X Centroid = ",xraytot/numray, I :8s 3;
print " Y Centroid = ",yraytot/numray [[O4_)?el
print " X Middle = ",(xraymax+xraymin)/2, ~"Su2{"8B
print " Y Middle = ",(yraymax+yraymin)/2 vCn~- Q
format .0 ny0 ]Q@
print " ",numray, " out of ", numrayattempt," rays made it through." s T,*<^
else <Wd_m?z
print " No rays made it through!" (ylZ[M&B:
endif ?weuq"*a
f=f+1 +1a2Un
if f<= nfld() then goto 1 Y=/;7T
print -,ojZFyRi
print "All field positions done!" v
<m=g!
FORMAT 0.1 #+
{%>f
print "Elapsed time ", ETIM(), " seconds." Knp}88DR^j
