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············· pieU|?fQ
- XE79 fQ
macro 正文：········· "wT ~$I"
! centroid.zpl Ov $N"
! ( t]lP /
! Written by Kenneth Moore 9/1/92 uvu **s
! Added TIMER function 4/18/96 ](B& l{V
! ^>,< * p
TIMER Nb ^zkg
! c [wQJc
! The delta controls how many rays will be traced. A #,f}lV,&
! delta of .025 will trace a 80 x 80 grid in the pupil. zCK y`u .
! )'BJ4[aq\
delta = .025 JLy)}8I
! "C$!mdr7
print "This program computes the chief ray coordinates," 1R5\GKF6o
print "centroid coordinates, and middle coordinates for" hRuo,FS#:
print "the primary wave spot at each field position." s=^r/Sz902
maxfield = maxf() ,Az`6PW
if maxfield == 0 then maxfield = 1 :GwSs'$ O
n = nsur() *_4n2<W$
f = 1 dO 1-c`
label 1 <|KK v5[
hx = fldx(f)/maxfield b'Fx),
hy = fldy(f)/maxfield 7]M,yIwc
raytrace hx,hy,0,0 <F#*:Re_y
format 10.4 Sy+]SeF&
print <B ]i80.
print " X Field = ", fldx(f), /%ODJ1 M
print " Y Field = ", fldy(f) } #\; np
print " X Chief = ",rayx(n), \U)2
Tg
print " Y Chief = ",rayy(n) ~uhyROO,G"
xraymax = -9e9 D&z'tf5
yraymax = -9e9 RvyBg:Aj5
xraymin = 9e9 J'G`=m"-'
yraymin = 9e9 7"a`-] Ap
xraytot = 0 [p( #W M:
yraytot = 0 _ e:5XQ
numray = 0 <FcPxZ
numrayattempt = 0 o@<6TlZM
px = -1 - delta v
GR
\GFm
label 2 "W _ jdE6v
px = px + delta .WL\:{G8;
py = -1 - delta eB<V%,%N#
label 3 o-Q]Dk1W
py = py + delta \pewbu5^
rad = px*px + py*py rB.=f[aX[
if rad <= 0.9999999 !\&7oAs=I
raytrace hx, hy, px, py h 0QYoDvbC
numrayattempt = numrayattempt+1 G)tq/`zNw
if !rayv(n) **************************** &{%S0\K Y
numray = numray + 1 u'$yYzBE
x = rayx(n) %|D\j -~
y = rayy(n) c5B_WqjJ
if (x < xraymin) then xraymin = x T}w*K[z
$
if (x > xraymax) then xraymax = x @Q$ /eL
if (y < yraymin) then yraymin = y 8aZey_Hw;+
if (y > yraymax) then yraymax = y BuEQ^[Ex
xraytot = xraytot + x |L.~Am d
yraytot = yraytot + y (Qx-K RH
endif 5|6z1{g8
endif 86^ZYh
if py < 1.0 then goto 3 L6rs9su=7
if px < 1.0 then goto 2 ZHiICh|et%
if numray oxCs*
format 14.8 80 s~ae;
print " X Centroid = ",xraytot/numray, ArmL,
print " Y Centroid = ",yraytot/numray 9p[W :)P4d
print " X Middle = ",(xraymax+xraymin)/2, _Y
><ih
print " Y Middle = ",(yraymax+yraymin)/2 SVg@xu+
format .0 Top#u
print " ",numray, " out of ", numrayattempt," rays made it through." < o'7{
else pzt Zb
print " No rays made it through!" e&H<lT
endif PFDWC3<
f=f+1 w}bEufU+2
if f<= nfld() then goto 1 3'sWlh f;
print QN} 3S0
print "All field positions done!" S\v&{
FORMAT 0.1 +4:+qGAJ{
print "Elapsed time ", ETIM(), " seconds." M[
~2,M&H
