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············· Saa# Mj`M
! *\)7D
macro 正文：········· K[Rl R+j
! centroid.zpl -e#YWMo(
! X}'3N'cbkU
! Written by Kenneth Moore 9/1/92 uEQH6~\{Nl
! Added TIMER function 4/18/96 *leQd^47
! 5;{d*L
TIMER ,I q+ v
! u2K{3+r`'
! The delta controls how many rays will be traced. A j &)Xi^^
! delta of .025 will trace a 80 x 80 grid in the pupil. NL&(/72V
! #M*h)/d[A
delta = .025 7k{Oae\ $
! Z"# ysC
print "This program computes the chief ray coordinates," ,p\^n`A32
print "centroid coordinates, and middle coordinates for" @K36?d]e
print "the primary wave spot at each field position." 8r / ]Q
maxfield = maxf() X5U. 8qI3
if maxfield == 0 then maxfield = 1 " |RP_v2
n = nsur() 5%kt;ODS
f = 1 \~: Kp
Kq
label 1 +U&aK dQs
hx = fldx(f)/maxfield <lZyUd
hy = fldy(f)/maxfield (:E_m|00;
raytrace hx,hy,0,0 e:{v.C0ez
format 10.4 Vnuz!
6.
print Py\xN
print " X Field = ", fldx(f), STu!v5XY}-
print " Y Field = ", fldy(f) i;xH
print " X Chief = ",rayx(n), a`(6hL3 IT
print " Y Chief = ",rayy(n) @ & #df
xraymax = -9e9 L~A"%T,/h
yraymax = -9e9 N( E\
xraymin = 9e9 `g6XVa*%#
yraymin = 9e9 h>= e<H ?f
xraytot = 0 Yo;/7gG>
yraytot = 0 Cl[ '6L k
numray = 0 x3T)/'(
numrayattempt = 0 wx pD{P
px = -1 - delta S$\l M<M
label 2 Yo @>O98
px = px + delta rklr^ e
py = -1 - delta ;%2 /
label 3 7{f&L '
py = py + delta 1g9Q vz3
rad = px*px + py*py sR,]eo<p&
if rad <= 0.9999999 3sc5meSu'
raytrace hx, hy, px, py 3v;o `Em&
numrayattempt = numrayattempt+1 jV8mn{<
if !rayv(n) **************************** ('Wo#3b$
numray = numray + 1 k:s}`h _n
x = rayx(n) 9>u2;
'Ls
y = rayy(n) K +Q81<X~
if (x < xraymin) then xraymin = x VJBV k8P
if (x > xraymax) then xraymax = x xB3;%Lc
if (y < yraymin) then yraymin = y rZ 9bz}K
if (y > yraymax) then yraymax = y Ya*l q!
u
xraytot = xraytot + x +m hYr]Z
yraytot = yraytot + y 1qbd6D|t
endif WGK N>nV
endif fL
ng[&
if py < 1.0 then goto 3 P 482D)
if px < 1.0 then goto 2 x,IU]YW@
if numray "5Oog<
format 14.8 2,puu2F
print " X Centroid = ",xraytot/numray, 6#vD>@ H
print " Y Centroid = ",yraytot/numray 0vmMNF
print " X Middle = ",(xraymax+xraymin)/2, rtv\Pf|
print " Y Middle = ",(yraymax+yraymin)/2
Bk a\0+
format .0 XV1#/@H;
print " ",numray, " out of ", numrayattempt," rays made it through." f}^}d "&F
else LdR}v%EH
print " No rays made it through!" uzG<(Q pu
endif bB3Mpaw@
f=f+1 l*uNi47|
if f<= nfld() then goto 1 O7ceSz
print ].]yqD4P
print "All field positions done!" '@2pOq
FORMAT 0.1 78#j e=MDg
print "Elapsed time ", ETIM(), " seconds."
f<9H#S:
