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············· )c]GgPH
>hB]T% '
macro 正文：········· #vLDN R
! centroid.zpl |I)xK@7
! fm &l 0
! Written by Kenneth Moore 9/1/92 1m}'Y@I
! Added TIMER function 4/18/96 cS QUK
! m]7Y
)&3
TIMER I[tU}oj P
! $ AG.<
! The delta controls how many rays will be traced. A MI',E?#yB
! delta of .025 will trace a 80 x 80 grid in the pupil. ^row=5]E
! MSRIG-
delta = .025 jqb,^T|j;m
! <(3Uu()
print "This program computes the chief ray coordinates," x9-K}s]%
print "centroid coordinates, and middle coordinates for" JXUO?9
print "the primary wave spot at each field position." ; bP7|
maxfield = maxf() -_>c P
if maxfield == 0 then maxfield = 1 %b@>riR(y
n = nsur() ]y-r
I
f = 1 j1**Ch/
label 1 L?Wl#wP\;*
hx = fldx(f)/maxfield uZ<Bf rc
hy = fldy(f)/maxfield eA{,=, v)
raytrace hx,hy,0,0 D!qtb6<.
format 10.4 5> h2WL
print _or$^.='
print " X Field = ", fldx(f), ^6J*yV%
print " Y Field = ", fldy(f) Pbm ;@ V
print " X Chief = ",rayx(n), YwB 5Zqr
print " Y Chief = ",rayy(n) .}Bb
:*@
xraymax = -9e9 `n5RDz/f0
yraymax = -9e9 dn%/SJC
xraymin = 9e9 w $61+KH K
yraymin = 9e9 tet
xraytot = 0 6\~m {@
yraytot = 0 >6jy d{
numray = 0 2S!=2u+7
numrayattempt = 0 ;#r tV;
px = -1 - delta mI0| lp 1$
label 2 a` /[\ K6
px = px + delta Br-y`s~cP
py = -1 - delta Jv7 @[<$
label 3 6JK;]Ah
py = py + delta = 2My-%i
rad = px*px + py*py r10)1`[
if rad <= 0.9999999 G@,qO#5&
raytrace hx, hy, px, py Pw$'TE}
numrayattempt = numrayattempt+1 1<bSH n9
if !rayv(n) **************************** bs_I{bCu?
numray = numray + 1 VMHiuBz:
x = rayx(n) 8&dmH&
y = rayy(n) >OiC].1
if (x < xraymin) then xraymin = x Ai#W.
n
if (x > xraymax) then xraymax = x .z+QyNc:
if (y < yraymin) then yraymin = y j}0*`[c
if (y > yraymax) then yraymax = y [gQ~ B1O
xraytot = xraytot + x \% ^<Ll
yraytot = yraytot + y K")-P9I6-f
endif U$0#j
endif ]!0*k#i_.
if py < 1.0 then goto 3 z %mM#X
if px < 1.0 then goto 2 $Fd9iJ!k
if numray {/#?n["
format 14.8 FUq@
dUv
print " X Centroid = ",xraytot/numray, ps<JKHC/c
print " Y Centroid = ",yraytot/numray d&R/f Im
print " X Middle = ",(xraymax+xraymin)/2, hr]NW>;
print " Y Middle = ",(yraymax+yraymin)/2 3=;i C6
`
format .0 Mc 76)
print " ",numray, " out of ", numrayattempt," rays made it through." S1`+r0Fk~n
else X)~JX}-L
print " No rays made it through!" (`>4~?|+T
endif W e9C9)0
f=f+1 _NqEhf:8
if f<= nfld() then goto 1 ,$}v_-:[l
print 7cvbYP\<lv
print "All field positions done!" HC!$Z`}Y
FORMAT 0.1 = @ph
print "Elapsed time ", ETIM(), " seconds." oleRQ=
