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············· [zfGDMG&
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macro 正文：········· >pYgF =J
! centroid.zpl a&<<X:$Hy
! KG?]MVXA
! Written by Kenneth Moore 9/1/92 NdZ:
7
! Added TIMER function 4/18/96 := 8vy
! doa$
;=wg
TIMER }qg!Um0
! lV 1|\~?4
! The delta controls how many rays will be traced. A 93rE5eGs
! delta of .025 will trace a 80 x 80 grid in the pupil. LSs={RD2+p
! BZBsE
:(F
delta = .025 $ S49v
! ^m7PXY
print "This program computes the chief ray coordinates," )Qc$UI8L
print "centroid coordinates, and middle coordinates for" o] j*
print "the primary wave spot at each field position." xWMMHIu
maxfield = maxf() g=%& p?1@E
if maxfield == 0 then maxfield = 1 83 n: h08
n = nsur() ?b0\[
f = 1 <vrx8Q*6
label 1 3m^BYr*y^
hx = fldx(f)/maxfield
96BMJE'
hy = fldy(f)/maxfield /IC' R"V a
raytrace hx,hy,0,0 WAEKvM4*i0
format 10.4 o?3R HP47
print ^/+s l-6/F
print " X Field = ", fldx(f), )v9[/
]*P
print " Y Field = ", fldy(f) Y:a(y*y<
print " X Chief = ",rayx(n), fS ~.K9
print " Y Chief = ",rayy(n) ,y >Na{@Y
xraymax = -9e9 @.{
yraymax = -9e9 =
` ^jz}
xraymin = 9e9 LWI~m2
yraymin = 9e9 7I|%GA_
xraytot = 0 ED o
(
yraytot = 0 V~=)#3]`[
numray = 0 |^F-.Z
numrayattempt = 0 Y!L jy
[/
px = -1 - delta I%p#E#[G
label 2 o;[oy#aWl_
px = px + delta nqBu C
py = -1 - delta _(hwU>.
label 3 c;^ J!e
py = py + delta {ZcZ\ Q;6
rad = px*px + py*py 9<#D0hh$
if rad <= 0.9999999 C gx?K]>y
raytrace hx, hy, px, py
q0~_D8e,
numrayattempt = numrayattempt+1 ?@1'WD t
if !rayv(n) **************************** `T70FsSJ
numray = numray + 1 e0L;V@R
x = rayx(n) V|A E~R^
y = rayy(n) "" U_|JH-
if (x < xraymin) then xraymin = x |$PLZ,
if (x > xraymax) then xraymax = x b5DrwX{Ff
if (y < yraymin) then yraymin = y <IVz mzpL
if (y > yraymax) then yraymax = y | 6> _L6t
xraytot = xraytot + x f2wW2]Fg
yraytot = yraytot + y aW"!bAdx`,
endif 'T[zh#v>S
endif mw[4<vfB0a
if py < 1.0 then goto 3 +!v RU`
if px < 1.0 then goto 2 0R&
U18)y
if numray Bt,Xe~$z-
format 14.8 O[ !o1.
print " X Centroid = ",xraytot/numray,
`xUPML-
print " Y Centroid = ",yraytot/numray ' l|_$3
print " X Middle = ",(xraymax+xraymin)/2, A-5 +#
print " Y Middle = ",(yraymax+yraymin)/2 Aq!['G
format .0 WM"^#=+$
print " ",numray, " out of ", numrayattempt," rays made it through." 5F"?]'*/
else O@iW?9C+
print " No rays made it through!" tWn m{mF
endif >K
:"[?
f=f+1 ~-5@- V
if f<= nfld() then goto 1 Jdn*?hc+
print yf) `jPM1<
print "All field positions done!" >|) 0Amt
FORMAT 0.1 %z~U@Mka
print "Elapsed time ", ETIM(), " seconds." ozC!q) j
