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············· S=w ~bz,/
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macro 正文:········· z;YX2G/{
! centroid.zpl tUfze9m
! I.6#>=
! Written by Kenneth Moore 9/1/92 aQ 6T2bQ
! Added TIMER function 4/18/96 6NFLk+kqN
! +x:VIi
TIMER mp]UUpt
! :e_yOT}}
! The delta controls how many rays will be traced. A a 6fH *2E
! delta of .025 will trace a 80 x 80 grid in the pupil. <&M5#:u
! QmPHf*w[
delta = .025 @yPI$"Ma
! &19z|Id
print "This program computes the chief ray coordinates," a5g1.6hF
print "centroid coordinates, and middle coordinates for" y3V47J2o
print "the primary wave spot at each field position." ol4!#4Y&{
maxfield = maxf() 7 Uu
if maxfield == 0 then maxfield = 1 C\[g>_J
n = nsur() g'eJN
f = 1 )i.\q
label 1 ?=Z0N&}[
hx = fldx(f)/maxfield q*>|EJR^Rw
hy = fldy(f)/maxfield a)L=+Z
raytrace hx,hy,0,0 ==7=1QfP
format 10.4 %}Ob~m>P
print 0jefV*3qpB
print " X Field = ", fldx(f), vr>Rd{dm
print " Y Field = ", fldy(f) %eqL)pC]
print " X Chief = ",rayx(n), Q#$dp
print " Y Chief = ",rayy(n) YC~kq?
xraymax = -9e9 j~9,Ct
yraymax = -9e9 ;V~~lcD&Y`
xraymin = 9e9 iuq%Q\0@w
yraymin = 9e9 7\;gd4Ua1
xraytot = 0 VrRBwvp-K
yraytot = 0 6sRKbp|r7
numray = 0 h5#V,$
numrayattempt = 0 #T)gKp
px = -1 - delta !g-19at
label 2 {~d8_%:b
px = px + delta o[eIwGxZ
py = -1 - delta d5B96;3
label 3 nR~L$Wu5_a
py = py + delta G@n%P~
rad = px*px + py*py W%7m3/d
if rad <= 0.9999999 "Q@ZS2;A
raytrace hx, hy, px, py ep"54o5=d
numrayattempt = numrayattempt+1 HPR*:t
if !rayv(n) **************************** =i)k@w_(x
numray = numray + 1 NCysYmt
x = rayx(n) ~v<,6BS<$Z
y = rayy(n) \=/^H
if (x < xraymin) then xraymin = x ~cx/>Hu
if (x > xraymax) then xraymax = x sh"\ kk9
if (y < yraymin) then yraymin = y !23#Bz7
if (y > yraymax) then yraymax = y )TcW.d6
xraytot = xraytot + x A,qWg0A]nt
yraytot = yraytot + y # nh;KlI0
endif @v,qfT*k7
endif G?6[K&w
if py < 1.0 then goto 3 rx#\Dc}
if px < 1.0 then goto 2 ^m:?6y_uw
if numray BqKh&m
format 14.8 vb.`rj6
print " X Centroid = ",xraytot/numray, 8^N"D7{mO
print " Y Centroid = ",yraytot/numray V+l>wMeo
print " X Middle = ",(xraymax+xraymin)/2, e$^ O_e
print " Y Middle = ",(yraymax+yraymin)/2 Qy @r&
format .0 WV"{oED
print " ",numray, " out of ", numrayattempt," rays made it through." B6b {hsO
else x+9aTsZ
print " No rays made it through!" 0: (@Y
endif =kvYE,,g_
f=f+1 =e,2/Ep{i
if f<= nfld() then goto 1 ` 0k
print `_'I 9,.a
print "All field positions done!" ^kMgjS}R
FORMAT 0.1 h&vq}
print "Elapsed time ", ETIM(), " seconds." l~M86 h