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············· (FV >m
:RYTL'hes
macro 正文：········· 4H/OBR
! centroid.zpl 0RfZEG)
! cr CJrN=
! Written by Kenneth Moore 9/1/92 Ri'n
! Added TIMER function 4/18/96 )7@0[>
! ZCw ]m#lS
TIMER iZ%yd-
! 6!o1XQr=Z
! The delta controls how many rays will be traced. A Gj*9~*x m(
! delta of .025 will trace a 80 x 80 grid in the pupil. 7)m9"InDI
! f1? >h\F8
delta = .025 XW9!p.*.U
! Bvj0^fSm
print "This program computes the chief ray coordinates," 2%1hdA<
print "centroid coordinates, and middle coordinates for" a*;b^Ze`v
print "the primary wave spot at each field position." I fir ,8
maxfield = maxf() s 2?&!
if maxfield == 0 then maxfield = 1 BUFv|z+H
n = nsur() X&zi s1A<
f = 1 YIE<pX4Q7)
label 1 P>L +t`'
hx = fldx(f)/maxfield $>gFf}#C
hy = fldy(f)/maxfield z Dp 2g)
raytrace hx,hy,0,0 49P 4b<1
format 10.4 8t`?#8D}
print B!yr!DWv
print " X Field = ", fldx(f), N!3 2 wJ
print " Y Field = ", fldy(f) V]&\fk-{
print " X Chief = ",rayx(n), s{++w5s
print " Y Chief = ",rayy(n) wr4 :Go`
xraymax = -9e9 PH"%kCI:
yraymax = -9e9 )[ ,A_3E
xraymin = 9e9 0V]s:S
yraymin = 9e9 "b[5]Y {
U
xraytot = 0 zT/\Cj68
yraytot = 0 wBzC5T%,
numray = 0 ToQ"Iy?
numrayattempt = 0 BVm0{*-[|
px = -1 - delta ' yth'[
label 2 Q?T]MUY(L
px = px + delta |%wX*z af
py = -1 - delta A
> $I
-T+
label 3 >7r!~+B"9'
py = py + delta CARzO7 b\w
rad = px*px + py*py S'14hk<
if rad <= 0.9999999 X 8|EHb<
raytrace hx, hy, px, py v:p} B$
numrayattempt = numrayattempt+1 /=h` L ,
if !rayv(n) **************************** ^.G$Q# y,
numray = numray + 1 zL it
x = rayx(n) F?cK- .
y = rayy(n) iLz@5Zj8
if (x < xraymin) then xraymin = x -/k 3a*$/
if (x > xraymax) then xraymax = x F/Pep? '
if (y < yraymin) then yraymin = y :EH=_"
if (y > yraymax) then yraymax = y t
Pf40`@
xraytot = xraytot + x
cAy3^{ 3:
yraytot = yraytot + y C?Ucu]cW
endif J;%Xfx]
endif GL JMP^p
if py < 1.0 then goto 3 mTh]PPo
if px < 1.0 then goto 2 C>~TI,5a3
if numray OTp]Xe/
format 14.8 Zov~B-Of:
print " X Centroid = ",xraytot/numray, b\ PgVBf9
print " Y Centroid = ",yraytot/numray
Y~Ifj,\
print " X Middle = ",(xraymax+xraymin)/2, H[UlY?&+
print " Y Middle = ",(yraymax+yraymin)/2 2Hdu:"j
format .0 b2]Kx&!
print " ",numray, " out of ", numrayattempt," rays made it through." ^GX)Z~
else e%6QTg5#
print " No rays made it through!" XM}hUJJW
endif <or2
f=f+1 L(o15
if f<= nfld() then goto 1
9a kH
print U3kyra j
print "All field positions done!" 4s M.C9W
FORMAT 0.1 }i2V.tVB-
print "Elapsed time ", ETIM(), " seconds." bx Wa oWE0
