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············· IgzQr >
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macro 正文：········· rjP/l6
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! centroid.zpl "7
yD0T)2
! > !JS:5|
! Written by Kenneth Moore 9/1/92 iCoX& "l b
! Added TIMER function 4/18/96 QP x^_jA
! maZ)cW?
TIMER
y7{?Ip4[
! 0J|3kY-n>
! The delta controls how many rays will be traced. A :m;p:l|W
! delta of .025 will trace a 80 x 80 grid in the pupil. _aphkeqd
! \wZe] G%S
delta = .025 + 3gp%` c4
! ("@!>|H
print "This program computes the chief ray coordinates," *a)n62
print "centroid coordinates, and middle coordinates for" !Cs_F&l"j
print "the primary wave spot at each field position." X2_=agEP
maxfield = maxf() y5r4&~04
if maxfield == 0 then maxfield = 1 km(Po}
n = nsur() s~> }a
f = 1 gUlo]!$
label 1 zA 3_Lx!
hx = fldx(f)/maxfield m 5.Zu.
hy = fldy(f)/maxfield 4*L_)z&4;
raytrace hx,hy,0,0 ~[ jQ!tz
format 10.4 1oS/`)
print 29rX%09T]
print " X Field = ", fldx(f), /z !% d%"
print " Y Field = ", fldy(f) Dv"9 qk
print " X Chief = ",rayx(n), ]d] ]'Hk
print " Y Chief = ",rayy(n) > I?IPQB
xraymax = -9e9 sB</ D S
yraymax = -9e9 bOB \--:]
xraymin = 9e9 .>S!ji
yraymin = 9e9 r$1Qf}J3=
xraytot = 0 !VJoM,b8
yraytot = 0 *|0 -~u%q
numray = 0 yfSmDPh
numrayattempt = 0 m*pJ BZxd
px = -1 - delta #R"*c
hLV
label 2 M{@(G5
px = px + delta M+>u/fldV
py = -1 - delta 3mgD(,(^
label 3 q'DW~ !>qX
py = py + delta &&+H+{_Q
rad = px*px + py*py s*[bFJwN
if rad <= 0.9999999 53 D ]3
raytrace hx, hy, px, py x4 yR8n(
numrayattempt = numrayattempt+1 $X6h|?3U,
if !rayv(n) **************************** +R &g qja
numray = numray + 1 o4X{L`m
x = rayx(n) 'NmRR]Q9
y = rayy(n) 6'/ #+,d'
if (x < xraymin) then xraymin = x 3$ pX
if (x > xraymax) then xraymax = x &pRREu:[4L
if (y < yraymin) then yraymin = y gJXaPJA{
if (y > yraymax) then yraymax = y M-71 1|eGI
xraytot = xraytot + x tA;}h7/Lc~
yraytot = yraytot + y oxs#866x
endif <YY 1 4p
endif u_enqC3
if py < 1.0 then goto 3 k:;r2 f
if px < 1.0 then goto 2 ! mHO$bQ"
if numray ]esC[r]PJ
format 14.8 HtFD lvdy]
print " X Centroid = ",xraytot/numray, DVA:Cmh\
print " Y Centroid = ",yraytot/numray s_Sk0}e
print " X Middle = ",(xraymax+xraymin)/2, icgfB-1|i
print " Y Middle = ",(yraymax+yraymin)/2 O-^Ma- }
format .0 z_HdISy0
print " ",numray, " out of ", numrayattempt," rays made it through." UNYqft4
else &ncvGDGi
print " No rays made it through!" L,\Iasv
endif } 7Uoh(d
f=f+1 r@V!,k#S
if f<= nfld() then goto 1 ^W ^OfY
print @C$]//;
print "All field positions done!" >7| VR:U?B
FORMAT 0.1 -f .,tM=
print "Elapsed time ", ETIM(), " seconds." 7dWS
