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············· 6-^+btl)#
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macro 正文：········· (kS k bwu
! centroid.zpl 9DT}sCLz:B
! K>q,?x b
! Written by Kenneth Moore 9/1/92 (2{1m#o
! Added TIMER function 4/18/96 ?LW1 D+
! 63~i6
TIMER ) HmpVH
! &A`QPk8n
! The delta controls how many rays will be traced. A eD/?$@y
! delta of .025 will trace a 80 x 80 grid in the pupil. b
:+
X3
! "#OmmU<U
delta = .025 =l \D7s
! 59)PJ0E
print "This program computes the chief ray coordinates," %URyGS]*
print "centroid coordinates, and middle coordinates for" 5n"'M&Ce
print "the primary wave spot at each field position." "'8$hV65.p
maxfield = maxf() C{,nD a?|
if maxfield == 0 then maxfield = 1 UR\*KR;yM
n = nsur() 4f>Vg$4
f = 1 2
o.Mh/D0
label 1 c1Hv^* Y
hx = fldx(f)/maxfield 5=$D~>-#
hy = fldy(f)/maxfield 4RK^efnp
raytrace hx,hy,0,0 \ ;sUJr"$
format 10.4 p'R}z|d)
print ^ o{O5&i]
print " X Field = ", fldx(f), Axcm~ !uf
print " Y Field = ", fldy(f) :xA'X+d/'
print " X Chief = ",rayx(n), >Qi2;t~G
print " Y Chief = ",rayy(n) 'Kq%t M26!
xraymax = -9e9 {:" bX~<^
yraymax = -9e9 2y N~[, L
xraymin = 9e9 0 )nU[CY
yraymin = 9e9 phNv^R+
xraytot = 0 v3[
2!UXq
yraytot = 0 1p tP e y
numray = 0 EBn7waB S
numrayattempt = 0 S4\T (
px = -1 - delta [#.QDe
label 2 0>AA-~=-
px = px + delta ^v`| 0 z\
py = -1 - delta r..Rh9v/=E
label 3 - Z#A}h
py = py + delta b,!h[
rad = px*px + py*py %II |;<
if rad <= 0.9999999 t n}9(Oa)
raytrace hx, hy, px, py .-o$ IQsS
numrayattempt = numrayattempt+1 Bt.WRRpAB
if !rayv(n) **************************** _kar5B$
numray = numray + 1 Gz
kf
x = rayx(n) +4@EJRC
y = rayy(n)
T%:}/@
if (x < xraymin) then xraymin = x 1_F2{n:y p
if (x > xraymax) then xraymax = x yDHH05Yl
if (y < yraymin) then yraymin = y l.& 6|
if (y > yraymax) then yraymax = y "d{ |_Cf
xraytot = xraytot + x U/TF,JUI
yraytot = yraytot + y QYg2'`(
endif O* 7" Q&
endif O8M;q!)y
if py < 1.0 then goto 3 = i `o+H
if px < 1.0 then goto 2 d^,u"Z9P
if numray T[c ;},
format 14.8 7q(RQQp
print " X Centroid = ",xraytot/numray, [t>}M6?R :
print " Y Centroid = ",yraytot/numray \[Q,>{^
print " X Middle = ",(xraymax+xraymin)/2, L-q.Q
print " Y Middle = ",(yraymax+yraymin)/2 k3u3X~u
format .0 qi$6y?
print " ",numray, " out of ", numrayattempt," rays made it through." Qxt ,@<IK
else A?Uyj
print " No rays made it through!" ':J[KWuV
endif X\uN:;?#W{
f=f+1 {Z$Aw4a"d
if f<= nfld() then goto 1 }]/ "auk
print hX<0{pXM4
print "All field positions done!" \]GBd~i<
FORMAT 0.1 Fd0R?d
print "Elapsed time ", ETIM(), " seconds." 3!#d&
