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············· 46 _xyz3+
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macro 正文：········· 2=,lcWr
! centroid.zpl _|kxY '_[8
! ,w<S|#W~+
! Written by Kenneth Moore 9/1/92 Y,<{v L EC
! Added TIMER function 4/18/96 ey7 f9
! w'Y7Il C
TIMER t3 8m'J :>
! X5zDpi|Dq
! The delta controls how many rays will be traced. A B KCA <
! delta of .025 will trace a 80 x 80 grid in the pupil. 36}?dRw#p
! }7|1
delta = .025 6tgt>\y
! Pr':51 (
print "This program computes the chief ray coordinates," PxWT1 !
print "centroid coordinates, and middle coordinates for" x gVeN["
print "the primary wave spot at each field position." &#{Z( h.de
maxfield = maxf() Y2N >HK0
if maxfield == 0 then maxfield = 1 u^@f&BIG]:
n = nsur()
_C%3h5
f = 1 ^me-[
5
label 1 #^u$
hx = fldx(f)/maxfield &FM c?wq
hy = fldy(f)/maxfield @'#,D!U
raytrace hx,hy,0,0 DU0zez I9
format 10.4 PS)4 I&;U
print &47i" %
print " X Field = ", fldx(f), {j.bC@hWw
print " Y Field = ", fldy(f) [%"|G9
print " X Chief = ",rayx(n), }NHaCG[,
print " Y Chief = ",rayy(n) p|X"@kuseO
xraymax = -9e9 x[FJgI'r
yraymax = -9e9 zqim R#u
xraymin = 9e9 Xb|:vr\v
yraymin = 9e9 bkOv2tZ
xraytot = 0 >:74%D0UF
yraytot = 0 6K XtcXQ
numray = 0 F+YZE[h%
numrayattempt = 0 z` .<U{5
px = -1 - delta Zi *2nv '
label 2 f(>p=%=O
px = px + delta fa E t6
py = -1 - delta (yH'{6g\
label 3 ;km`P|<U
py = py + delta ~8q)^vm>f?
rad = px*px + py*py :}He\V
if rad <= 0.9999999 / C:Y94B-z
raytrace hx, hy, px, py G)EU_UE 9
numrayattempt = numrayattempt+1 b.2aHu( 3
if !rayv(n) **************************** CuaVb1r
numray = numray + 1 JrJo|0Q
x = rayx(n) K^
vIUZ>
y = rayy(n) |U:k, YH
if (x < xraymin) then xraymin = x N H[k Ni'
if (x > xraymax) then xraymax = x [`ebM,W
if (y < yraymin) then yraymin = y @:oXN]+
_
if (y > yraymax) then yraymax = y &p'Y ^zL -
xraytot = xraytot + x AHD=<7Rs
yraytot = yraytot + y A=$04<nP8!
endif %6|nb:Oa
endif \ ZgE
if py < 1.0 then goto 3 8H%;W U9-
if px < 1.0 then goto 2 +^` I?1\UF
if numray DwM)r7<Ex
format 14.8 !{ y@od@T
print " X Centroid = ",xraytot/numray, 7BE>RE=)
print " Y Centroid = ",yraytot/numray 0\X\iz Q5
print " X Middle = ",(xraymax+xraymin)/2, 8o 3E0k1
print " Y Middle = ",(yraymax+yraymin)/2 vDp8__^
format .0
=ElO?9 &
print " ",numray, " out of ", numrayattempt," rays made it through." Q 1U\D
else _zR+i]9
print " No rays made it through!" []\+k31D
endif W =D4r
f=f+1 !]"@k l%
if f<= nfld() then goto 1 6/f7<
print mUNn%E:7@{
print "All field positions done!" t;|@o\
FORMAT 0.1 5VfyU8)7X
print "Elapsed time ", ETIM(), " seconds." ayn) 5q/z
