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············· AG9DJ{T
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macro 正文：········· fW+ "Kuw
! centroid.zpl yq k8)\p
! ,52 IR[I<T
! Written by Kenneth Moore 9/1/92 l5Ko9CG
! Added TIMER function 4/18/96 8 a)Brl}u
! H1B%}G*Ir-
TIMER 7x >^ip"7
! T)7U+~nQ"
! The delta controls how many rays will be traced. A 5$'[R ;r
! delta of .025 will trace a 80 x 80 grid in the pupil. b~:)d>s8wY
! q ve'Gm)
delta = .025 .24z+|j
! f7\X3v2W}3
print "This program computes the chief ray coordinates," BA1uo0S `S
print "centroid coordinates, and middle coordinates for" zQ{bMj< S
print "the primary wave spot at each field position." 9 ?O8j1F
maxfield = maxf() G"J
nQ
if maxfield == 0 then maxfield = 1 j,^&U|!
n = nsur() mHW%:a\L
f = 1 0Atha>w^o~
label 1 S sW<,T
hx = fldx(f)/maxfield 7:pc%Ksq
hy = fldy(f)/maxfield } BI6dZ~2A
raytrace hx,hy,0,0 @XM*N7
format 10.4 y-nv#Ejr
print wzju)q S
print " X Field = ", fldx(f), fv+ET:T%
print " Y Field = ", fldy(f) S@u46 X>
print " X Chief = ",rayx(n), jIe
/ X]
print " Y Chief = ",rayy(n) Sv /P:r
_
xraymax = -9e9 -i{_$G8W/c
yraymax = -9e9 =KOi#;1
xraymin = 9e9 pMHl<HH
yraymin = 9e9 "q M
xraytot = 0 e(
@< /W
yraytot = 0 'vVWUK956
numray = 0 tyW}=xs
numrayattempt = 0 Y=G`~2 Pr=
px = -1 - delta kOD=H-vSi
label 2 ydO+=R0M
px = px + delta }# ta3 x
py = -1 - delta 06 %-tAq:
label 3 iw/~t
py = py + delta >xS({1A}
rad = px*px + py*py u_' -vZ_
if rad <= 0.9999999 iv +a5
raytrace hx, hy, px, py ^` id/
numrayattempt = numrayattempt+1 k6ry"W3
if !rayv(n) **************************** *izCXfW7
numray = numray + 1 TBPu&+3
x = rayx(n) mJ<`/p?:
y = rayy(n) ?.<
Qgd
if (x < xraymin) then xraymin = x r i8=u$!
if (x > xraymax) then xraymax = x !`?i>k?Q E
if (y < yraymin) then yraymin = y iu8Q &Us0P
if (y > yraymax) then yraymax = y Sxc) ~y
xraytot = xraytot + x Bc }o3oc
yraytot = yraytot + y J~WT;s
endif wMR,r@}
endif lAi5sN)|$
if py < 1.0 then goto 3 P7=`P
if px < 1.0 then goto 2 BT8)t.+pv
if numray N7lg6$s Aj
format 14.8 m0r a
print " X Centroid = ",xraytot/numray, ,.ivdg( /
print " Y Centroid = ",yraytot/numray z;oia!9z
print " X Middle = ",(xraymax+xraymin)/2, 5)XUT`;'){
print " Y Middle = ",(yraymax+yraymin)/2 8e>B>'nH
format .0 ed',\+.uB
print " ",numray, " out of ", numrayattempt," rays made it through." _"Ym]y28li
else .t G3g:
print " No rays made it through!" i *:QbMb
endif ])F+ C/Px1
f=f+1 -~8PI2
if f<= nfld() then goto 1 eE VB
print jnOnV1I"
print "All field positions done!" q&>fKS nKs
FORMAT 0.1 /}E2Rr?{
print "Elapsed time ", ETIM(), " seconds." X:Wd%CHP
