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············· %x; x _
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macro 正文：········· v4Zb?
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! centroid.zpl js^ ,(CS
! A % Q!^d
! Written by Kenneth Moore 9/1/92 [@ <sFP;g
! Added TIMER function 4/18/96 W^,S6!
! w"m+~).U
TIMER c97{Pu
! uxn)R#?
! The delta controls how many rays will be traced. A )'4P.>!!aQ
! delta of .025 will trace a 80 x 80 grid in the pupil. Zt
-1h{7
! 8rZ !ia!
delta = .025 .@)mxC:\K9
! yZ]:y-1
print "This program computes the chief ray coordinates," pD"vRbYF
print "centroid coordinates, and middle coordinates for" I:&/`K4,x,
print "the primary wave spot at each field position." p Y)5bSA
maxfield = maxf() ,ea^,H6
if maxfield == 0 then maxfield = 1 iq#b#PYA
n = nsur() HysS_/t~
f = 1 ' [|+aJ
label 1 PupM/?57
hx = fldx(f)/maxfield +'@+x'/{^
hy = fldy(f)/maxfield N(6|yZ<J3M
raytrace hx,hy,0,0 Zv]x'3J #Y
format 10.4 D F]9 @ {
print :nHKl
print " X Field = ", fldx(f), j!~l,::$"X
print " Y Field = ", fldy(f) <>eOC9;VY
print " X Chief = ",rayx(n), ~\p]~qQ\K
print " Y Chief = ",rayy(n) $yDWu"R8
xraymax = -9e9 iF5'ygR-Z
yraymax = -9e9 -hcS]~F
xraymin = 9e9 w1x"
c>1C
yraymin = 9e9 5la>a}+!!h
xraytot = 0 [97:4 .
yraytot = 0 M$ 4k;
numray = 0 !1T\cS#1%
numrayattempt = 0 A , CW_
px = -1 - delta 'X).y1'
label 2 4EI7W,y
px = px + delta )C(>H93
py = -1 - delta 4!Z5og1kn
label 3 "]'?a$\ky:
py = py + delta *,C(\!b
!?
rad = px*px + py*py -\ZcOXpMx=
if rad <= 0.9999999 7qO a
;^T
raytrace hx, hy, px, py rt3qdk5U
numrayattempt = numrayattempt+1 .LV Qx
if !rayv(n) **************************** 3P~o"a>
numray = numray + 1 (@X~VACT
x = rayx(n) -50 HB`t
y = rayy(n) %98' @$:0
if (x < xraymin) then xraymin = x r?m+.fJ B
if (x > xraymax) then xraymax = x @J{m@ji{
if (y < yraymin) then yraymin = y `
8W*
if (y > yraymax) then yraymax = y 'ckQg=zPR
xraytot = xraytot + x eAUcv `[#p
yraytot = yraytot + y 5Dp#u
endif sb:d>6
endif J] W5[)L
if py < 1.0 then goto 3 uZa9zs=} c
if px < 1.0 then goto 2 7*j
(*
if numray K]/4qH$:
format 14.8 W)'*m-I
print " X Centroid = ",xraytot/numray, ~DO4,
print " Y Centroid = ",yraytot/numray I`[i;U{CK
print " X Middle = ",(xraymax+xraymin)/2, 5tJ,7Y'
print " Y Middle = ",(yraymax+yraymin)/2 hPq%L c
format .0 @3fn)YQ'
print " ",numray, " out of ", numrayattempt," rays made it through." 9[!,c`pw
else _AV1WS;^^8
print " No rays made it through!" O/:UJ( e{
endif tH=P6vY
f=f+1 ^@P1
JNe
if f<= nfld() then goto 1 8u[-'pV!
print }:: S 0l
print "All field positions done!" _'4A|-9
FORMAT 0.1 xw {-9k -~
print "Elapsed time ", ETIM(), " seconds." #T`t79*N
