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············· D$y-Kh
HCKj8-*
macro 正文：········· M]OZS\9.B
! centroid.zpl 2:& [r*
! .(2ui~ed
! Written by Kenneth Moore 9/1/92 w
B[H &
! Added TIMER function 4/18/96 bO?Us
! (.B+U'6
TIMER |\
4cQ
! 9dD;Z$x&Xk
! The delta controls how many rays will be traced. A ~b.e9FhdA
! delta of .025 will trace a 80 x 80 grid in the pupil. | WMq&-$D
! "+:IA|1wD
delta = .025 au 5qbP
! 6@o *"4~Q
print "This program computes the chief ray coordinates," G8_|w6
print "centroid coordinates, and middle coordinates for" 9 ~$' ?
print "the primary wave spot at each field position." F%>`?NG+c
maxfield = maxf() p-o!K\o-1
if maxfield == 0 then maxfield = 1
S^4T#/
n = nsur() ZJ|'$=lR
f = 1 'VTLp.~G~
label 1 z wJ Vi9sO
hx = fldx(f)/maxfield ",qJG]_ <
hy = fldy(f)/maxfield _l;$<]re\k
raytrace hx,hy,0,0 JgY#W1>
format 10.4 L@HWm;aN
print
@Iy&Qo
print " X Field = ", fldx(f), csay\Q{
print " Y Field = ", fldy(f) OwM.N+ z#T
print " X Chief = ",rayx(n), Cn>RUGoUsI
print " Y Chief = ",rayy(n) !%4&O
xraymax = -9e9 ESAFsJ$r;
yraymax = -9e9 R3=]Av46
xraymin = 9e9 VDP \E<3"
yraymin = 9e9 Iib39?D W
xraytot = 0 'u{DFMB-A
yraytot = 0 , HE +|y#
numray = 0 kX^Y{73
numrayattempt = 0 2E":6:Wsw
px = -1 - delta 60 z =bd]
label 2 L4L[@tMPmY
px = px + delta yl[6 b1
py = -1 - delta 7D%}( pX
label 3 1v ^eXvY
py = py + delta u9}k^W)E
rad = px*px + py*py H s~u&c
if rad <= 0.9999999 #n8jn#
raytrace hx, hy, px, py 3bW(VvgcL4
numrayattempt = numrayattempt+1 W;Ei>~E
if !rayv(n) **************************** 9G@
J#vsqr
numray = numray + 1 .j)f'<;%
x = rayx(n) H_C X5=Nq^
y = rayy(n) mt(2HBNoz
if (x < xraymin) then xraymin = x qJZ5w }
if (x > xraymax) then xraymax = x )6
_+
if (y < yraymin) then yraymin = y T1Q c?5K ^
if (y > yraymax) then yraymax = y M@/H d0$
xraytot = xraytot + x dNL<O
yraytot = yraytot + y 3M[b)At V.
endif V=v7<I=]
endif d]*a:>58
if py < 1.0 then goto 3 p7pJ9 0~E
if px < 1.0 then goto 2 i!J VGs
if numray f2"1^M
format 14.8 oHbG -p
print " X Centroid = ",xraytot/numray, +w ]KK6
print " Y Centroid = ",yraytot/numray >$yqx1=jW
print " X Middle = ",(xraymax+xraymin)/2, n(MVm-H
print " Y Middle = ",(yraymax+yraymin)/2 XPt<k&o1,
format .0 d;$<K
print " ",numray, " out of ", numrayattempt," rays made it through." `bdCom
else Tl9; KE|
print " No rays made it through!" J~jR`2+ r
endif UpU2H4
f=f+1 ]8qFxJ+2^
if f<= nfld() then goto 1 >
v~?Vd(
print }RvP*i
print "All field positions done!" C& QT-|
FORMAT 0.1 8JU9Qb]L'I
print "Elapsed time ", ETIM(), " seconds." [;F%6MPK^
