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············· df\>-Hl
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macro 正文：········· h]$zub
! centroid.zpl t|lv6-Hy9
! >? KyPp
! Written by Kenneth Moore 9/1/92 W&#Nk5d
! Added TIMER function 4/18/96 ^Pwq`G A
! JTJ4a8DE
TIMER ovO^uWz`
! X}Fv*
! The delta controls how many rays will be traced. A L|?tc ic
! delta of .025 will trace a 80 x 80 grid in the pupil. Y8T.RS0
! #>'0C6Xn
delta = .025 i/Z5/(zF
! uzD{ewR/.y
print "This program computes the chief ray coordinates," 7Cjrh "al"
print "centroid coordinates, and middle coordinates for" {HeMdGn9
print "the primary wave spot at each field position." ~Ua0pS?
maxfield = maxf() tA.C"
if maxfield == 0 then maxfield = 1 #'P&L>6
;
n = nsur() x1h!_^(QfF
f = 1 [<t*&Kr+o
label 1 G1|:b-C
hx = fldx(f)/maxfield Jt"Wtr
hy = fldy(f)/maxfield |QdS;
raytrace hx,hy,0,0 _QY "#
format 10.4 RB2u1]l
print
f63q
print " X Field = ", fldx(f), "+AD+D
print " Y Field = ", fldy(f) AXFVsZH"zi
print " X Chief = ",rayx(n), Kt(p|
print " Y Chief = ",rayy(n) hSmM OS{
xraymax = -9e9 B !0[LlF+
yraymax = -9e9 Cpl)byb
xraymin = 9e9 s0CRrMk
yraymin = 9e9 \JchcQ
xraytot = 0 ~7v ^7;tT
yraytot = 0 IkkrnG 8
numray = 0 n)yqb
numrayattempt = 0 ~n ?U{
RmH
px = -1 - delta $8)/4P?OL
label 2 `XQ5> c
px = px + delta )? xg =o/?
py = -1 - delta (, >`\\
label 3 `S|gfJ
py = py + delta #,sJd ^uI
rad = px*px + py*py P+xZaf
H
if rad <= 0.9999999 TocqoYX{{
raytrace hx, hy, px, py !jm
a --
numrayattempt = numrayattempt+1 4b)xW&K{
if !rayv(n) **************************** %zGPF
numray = numray + 1 `#hy'S:e
x = rayx(n) Tn|re Xc0e
y = rayy(n) <7XdT
if (x < xraymin) then xraymin = x U
w)1yzX
if (x > xraymax) then xraymax = x 4d O>L"
if (y < yraymin) then yraymin = y 8cHZBM7'
if (y > yraymax) then yraymax = y ^,3 >}PU
xraytot = xraytot + x IKt9=T x
yraytot = yraytot + y GC~::m~
endif F]&9Lp}
"
endif j2z$kw%
if py < 1.0 then goto 3 |Z<adOg
if px < 1.0 then goto 2 &8N\
6K=
if numray :?,& u,8
format 14.8 ; - 3M
print " X Centroid = ",xraytot/numray, `J C!u c
print " Y Centroid = ",yraytot/numray WJ%b9 {<
print " X Middle = ",(xraymax+xraymin)/2, r=vE 0;7
print " Y Middle = ",(yraymax+yraymin)/2 I^o^@ C
format .0 <rkF2 -K,
print " ",numray, " out of ", numrayattempt," rays made it through." tC;D4i
else R
.,w`<<
print " No rays made it through!" T@L^RaPX
endif Sdn]
f4
f=f+1 :=/D F
if f<= nfld() then goto 1 `f (!i mN
print @{bf]Oc
print "All field positions done!" E^ rN)
FORMAT 0.1 R75sK(oS
print "Elapsed time ", ETIM(), " seconds." 4B |f}7%\
