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············· +HT1 ct+dI
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macro 正文：········· *Lqg=9kzr
! centroid.zpl K J2Pb"s
! X1{[}!
! Written by Kenneth Moore 9/1/92 (6l+lru[
! Added TIMER function 4/18/96 nrm+z"7
! NEt1[2 X%
TIMER ) rW&c- '
! I sy'{ -H
! The delta controls how many rays will be traced. A u9+kLe pOT
! delta of .025 will trace a 80 x 80 grid in the pupil. ZK;z m
! Q6gt+FKU9
delta = .025 j]|U
! %p^.|Me7
print "This program computes the chief ray coordinates," @yd4$Mv8%
print "centroid coordinates, and middle coordinates for" S"Lx%
print "the primary wave spot at each field position." =@2FX&&E_
maxfield = maxf() (+ uj1z ^
if maxfield == 0 then maxfield = 1 xv{O^Ie+S
n = nsur() ML;*e "$
f = 1 =@,Q Dm]L
label 1 &k-Vcrcz
hx = fldx(f)/maxfield /sM~U q?
hy = fldy(f)/maxfield xx{! 3 F
raytrace hx,hy,0,0 J ^R=dT!
format 10.4 0Wa}<]:^
print d8-A*W[
print " X Field = ", fldx(f), 98=wnWX 6$
print " Y Field = ", fldy(f) H~ZV *[A`
print " X Chief = ",rayx(n), 76hOB@
print " Y Chief = ",rayy(n) bVP"(H]
xraymax = -9e9 n
-(
yraymax = -9e9 JSh.]j<bJL
xraymin = 9e9 +)zOer,
yraymin = 9e9 niB `2 J
xraytot = 0 gs!(;N\j|
yraytot = 0 A_Frk'{qhB
numray = 0 "&Po,AWa
numrayattempt = 0 9zYVC[o
px = -1 - delta 4_Dp+^JF
label 2 [Nn` l,
px = px + delta Eu"_MgD
py = -1 - delta _ _mF ?m
label 3 ODZ|bN0>
py = py + delta {( r6e
rad = px*px + py*py UAoh`6vFF8
if rad <= 0.9999999 cGjPx G;
raytrace hx, hy, px, py %p%%~ewmx
numrayattempt = numrayattempt+1 F:x [
if !rayv(n) **************************** ( o3
Iy
numray = numray + 1 %|s+jeUDn|
x = rayx(n) %*BlWk !Q
y = rayy(n) 2-Y<4'>
if (x < xraymin) then xraymin = x fb^fVSh>
if (x > xraymax) then xraymax = x MEB it
if (y < yraymin) then yraymin = y .^B*e6DAD
if (y > yraymax) then yraymax = y d!eYqM7-G
xraytot = xraytot + x $D G?M6
yraytot = yraytot + y 8WnwQ%;m?
endif J2:y6kGj>
endif ]U"94S U:)
if py < 1.0 then goto 3 Gea\,{E9xA
if px < 1.0 then goto 2 7uzk p &+:
if numray Omd .9
format 14.8 ,v"YqD+GC5
print " X Centroid = ",xraytot/numray, iLSr*`
o
print " Y Centroid = ",yraytot/numray m * JaXa
print " X Middle = ",(xraymax+xraymin)/2, 4?B\O`sy.
print " Y Middle = ",(yraymax+yraymin)/2 /Rl6g9}
format .0 X&kp;W
print " ",numray, " out of ", numrayattempt," rays made it through." om1eQp0N
else K6R.@BMN
print " No rays made it through!" vN;mP d~g
endif =>-Rnc@
f=f+1 F6z% VWU
if f<= nfld() then goto 1 ~@}B i@ *
print a\r\PBi
print "All field positions done!" M3.do^ss
FORMAT 0.1 Ofs <EQ
print "Elapsed time ", ETIM(), " seconds." wb0L.'jyR)
