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············· 3k_bhK zI
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macro 正文：········· s%/x3anz=
! centroid.zpl ,~nrNkhp
! j0uu* )Rk
! Written by Kenneth Moore 9/1/92 8:gUo8
! Added TIMER function 4/18/96 kD\7wz,ui
! lK"m |Z
TIMER m4_ZGjmJM
! (,XbxDfM
! The delta controls how many rays will be traced. A N/x]-$fl
! delta of .025 will trace a 80 x 80 grid in the pupil. 0U&@;/?
! aESlb H
delta = .025 ,k |QuOrCh
! K'f `}y9
print "This program computes the chief ray coordinates," ] rS:# LK
print "centroid coordinates, and middle coordinates for" 4r tNvf5`
print "the primary wave spot at each field position." _L%
=Q ulu
maxfield = maxf() { g7~e {2
if maxfield == 0 then maxfield = 1 12 o6KVV^x
n = nsur() iPCDxDLN3V
f = 1 ep)O|_=
label 1 o XFo
hx = fldx(f)/maxfield SSn{,H8/j
hy = fldy(f)/maxfield Kb Gz3O'u
raytrace hx,hy,0,0 OVUJiBp
format 10.4 ;km ^ OO$
print h1Nd1h@-
print " X Field = ", fldx(f), :um]a70
print " Y Field = ", fldy(f) $i|d =D&t
print " X Chief = ",rayx(n), B*OBXN>'P
print " Y Chief = ",rayy(n) bZlKy `Z
xraymax = -9e9 m"f3hd4D_q
yraymax = -9e9 ,!vI@>nhG
xraymin = 9e9 .r~M7 I
yraymin = 9e9 Px?zih!6
xraytot = 0 $nqVE{ksV
yraytot = 0
ni?5h 5-
numray = 0 sH51 .JG
numrayattempt = 0 ` q m$2
px = -1 - delta /2>.*H_2
label 2 5kLz8n^z@@
px = px + delta 0BP Ubp(
py = -1 - delta ?+G
/ 5,e
label 3 w&x$RP
py = py + delta v(P5)R,
rad = px*px + py*py 821;; ]H
if rad <= 0.9999999 YB]{gm2
raytrace hx, hy, px, py #c$z&J7e
numrayattempt = numrayattempt+1 61Wh %8-
if !rayv(n) **************************** agd^ ga3
numray = numray + 1 oH;9s-Be
x = rayx(n) yYi u69v
y = rayy(n) m[qW)N:w
if (x < xraymin) then xraymin = x >4&0j'z"
if (x > xraymax) then xraymax = x 6PT"9vR`)
if (y < yraymin) then yraymin = y 4 u= v
if (y > yraymax) then yraymax = y @tlWyUju
xraytot = xraytot + x ~oz??SX
yraytot = yraytot + y f~:wI9
endif UsgrI>|l
endif lf\x`3Vd
if py < 1.0 then goto 3 )Wy:I_F351
if px < 1.0 then goto 2 #z =$ *\u
if numray ?T)M z
q}
format 14.8 (W
|;gQ
print " X Centroid = ",xraytot/numray, {ObU J3
print " Y Centroid = ",yraytot/numray \Vx_$E
print " X Middle = ",(xraymax+xraymin)/2, H;MyT Vl
print " Y Middle = ",(yraymax+yraymin)/2 W>(w&k]%B
format .0 :6J&%n
print " ",numray, " out of ", numrayattempt," rays made it through." 8'M:uI
else R$bDj >8
print " No rays made it through!" Xi0 fX$-,
endif sAS[wcOQ
f=f+1 l4ru0V8s7
if f<= nfld() then goto 1 *i VE O
print h_5CWQSi
print "All field positions done!" Mc{-2
FORMAT 0.1 nh+Hwj#(x
print "Elapsed time ", ETIM(), " seconds." uM, R +)3
