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············· ?]P&3UU>0z
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macro 正文：········· /&kTVuN"(
! centroid.zpl "`&?<82
! PE4{;|a }
! Written by Kenneth Moore 9/1/92 e?f[t*td
! Added TIMER function 4/18/96
!N)oi $T%
! ;9p rsv f
TIMER pwu5Fxn)
! ~xHr/:
! The delta controls how many rays will be traced. A x "N,oDs
! delta of .025 will trace a 80 x 80 grid in the pupil. x#ouR+<
! :$9 4y{
delta = .025 &"L3U
! t cRK\
print "This program computes the chief ray coordinates," g5Hs= c5=\
print "centroid coordinates, and middle coordinates for" ~u3I=b
print "the primary wave spot at each field position." 1F$a
My?
maxfield = maxf() :b.#h7Qt<
if maxfield == 0 then maxfield = 1 =B?uNo e
n = nsur() ;>CmV C'/
f = 1 }>h?W 1
label 1 hl# 9a?
hx = fldx(f)/maxfield @V< tg"(c
hy = fldy(f)/maxfield
- 6
raytrace hx,hy,0,0 _`;6'}]s
format 10.4 IAtc^'l#
print 8`^I. tD
print " X Field = ", fldx(f), ,q:6[~n
print " Y Field = ", fldy(f) 31bKgU{
print " X Chief = ",rayx(n),
w[VWk
print " Y Chief = ",rayy(n) |Yk23 \!
xraymax = -9e9 ^K;, ,s;0
yraymax = -9e9 ls/:/x(5d
xraymin = 9e9 ;JAe=wt^'I
yraymin = 9e9 kvo741RO6
xraytot = 0 p R~PB
yraytot = 0 p?d Ma_ g
numray = 0 0dnm/ 'L
numrayattempt = 0 qA03EU
px = -1 - delta 4q~l ?*S
label 2 55yP.@i9J
px = px + delta t( ZiQ<A
py = -1 - delta KH@M &
>=^
label 3 ); $~/H4
py = py + delta {N
_v4})
rad = px*px + py*py < xc"y|7X
if rad <= 0.9999999 q Rt gk
raytrace hx, hy, px, py WQ6E8t )
numrayattempt = numrayattempt+1 6?hv ,^
if !rayv(n) **************************** 8LkC/
numray = numray + 1 ;GvyL>|-~
x = rayx(n) hz )L+
y = rayy(n) (6.0gB$aTu
if (x < xraymin) then xraymin = x ss-B e
if (x > xraymax) then xraymax = x IG#=}q
if (y < yraymin) then yraymin = y -EITz
if (y > yraymax) then yraymax = y qk:F6kL\`
xraytot = xraytot + x g3Ff<P P
yraytot = yraytot + y }TYC F @
endif Gz6FwU8L
endif Oys.8%+ P
if py < 1.0 then goto 3 )iEK7d^-
if px < 1.0 then goto 2 =3 & WH0
if numray v
7Pv&|
format 14.8 <H#D/?n5
print " X Centroid = ",xraytot/numray, *h]qh20t
print " Y Centroid = ",yraytot/numray 9l(e: _`_
print " X Middle = ",(xraymax+xraymin)/2, C#vh 2'
print " Y Middle = ",(yraymax+yraymin)/2 I.\u2B/?
format .0 iRPd=)
print " ",numray, " out of ", numrayattempt," rays made it through." b7"pm)6
else }*? e w
print " No rays made it through!" XrBLw}lD`N
endif [q_Yf!(m-
f=f+1 85nUR [)h
if f<= nfld() then goto 1 Wp >W?'`
print drN^-e
print "All field positions done!" d~28! E+
FORMAT 0.1 NB16 O !r
print "Elapsed time ", ETIM(), " seconds." Zso .3FR,
