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············· UdmYS3zs
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macro 正文：········· }qlU
! centroid.zpl LlP_`fA
! cB
U,!
! Written by Kenneth Moore 9/1/92 d]0.6T1[K
! Added TIMER function 4/18/96
h&\%~LO.
! P SDzs\s
TIMER KH)(xB=
! ^w.x~#zI
! The delta controls how many rays will be traced. A Yxye?R-:
! delta of .025 will trace a 80 x 80 grid in the pupil. u+eA>{
! ~9JU_R^%m
delta = .025 GwHMXtj4
! Z
55iq
print "This program computes the chief ray coordinates," [vkz<sL"
print "centroid coordinates, and middle coordinates for" >s}b q#x
print "the primary wave spot at each field position." V3fd]r IP
maxfield = maxf() !8^:19+
if maxfield == 0 then maxfield = 1 N.OC _H&
n = nsur() 0[@ 9f1Nk4
f = 1 7u]0 dHj
label 1 8 ;YeEW 5
hx = fldx(f)/maxfield 3!M;Z7qF]
hy = fldy(f)/maxfield zXQ o pQ1
raytrace hx,hy,0,0 FN5*pVD;<
format 10.4 nj99!"_
print OJ n g
print " X Field = ", fldx(f), ((wG
K|d
print " Y Field = ", fldy(f) i.I iwe0G
print " X Chief = ",rayx(n), F|q-ZlpW-
print " Y Chief = ",rayy(n) |?6r&bT
xraymax = -9e9 _Z'j%/-4@D
yraymax = -9e9 7q*L-Xe]k
xraymin = 9e9 mHjds77e
yraymin = 9e9 S~fQ8t70
xraytot = 0 w}VS mt$F
yraytot = 0 x g~ q'>
numray = 0 1J<Wth{
numrayattempt = 0 r+fR^hv
px = -1 - delta rMIr&T
label 2 bj4cW\b(
px = px + delta uj|{TV>v9
py = -1 - delta z5-vx `
label 3 y6ntGrZ}$
py = py + delta [uP_F,Y/
rad = px*px + py*py |LA./%U
if rad <= 0.9999999 kD:O$8[J8
raytrace hx, hy, px, py XYIZ^_My
numrayattempt = numrayattempt+1 hko0
?z
if !rayv(n) **************************** Uj&2'>MJ$
numray = numray + 1 4` 5 jq)
x = rayx(n) /v"u4Ipj
y = rayy(n) O1I R+"0
if (x < xraymin) then xraymin = x k L2(M6m
if (x > xraymax) then xraymax = x 3eQ-P8LS
if (y < yraymin) then yraymin = y zK893)
if (y > yraymax) then yraymax = y #y13(u,dN
xraytot = xraytot + x Q':x i;?Kt
yraytot = yraytot + y 5qtZ`1Hq
endif tjc3;9
endif %7 h _D
if py < 1.0 then goto 3 mDz{8N9<FG
if px < 1.0 then goto 2 'F3Xb
if numray !K^.r_0H.
format 14.8 f3Ior.n(
print " X Centroid = ",xraytot/numray, TB 9{e!4
print " Y Centroid = ",yraytot/numray &
.VciSq6
print " X Middle = ",(xraymax+xraymin)/2, 22S4q`j
print " Y Middle = ",(yraymax+yraymin)/2 o@j]yA.5)
format .0 ^c3~CD5H
3
print " ",numray, " out of ", numrayattempt," rays made it through." :iJ+ImBpK
else r #
MJ
print " No rays made it through!" S05+G}[$
endif ^T`)ltI]V
f=f+1 s7=CH
if f<= nfld() then goto 1 _]8FCO
print .w3.zZ0[
print "All field positions done!" d;O16xcM/
FORMAT 0.1 DJ;il)^
print "Elapsed time ", ETIM(), " seconds." j|"#S4IX)F
