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············· [TfV2j* e
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macro 正文：········· R#Nd|f<
! centroid.zpl Nec(^|[
! ~ :b:_ 5"
! Written by Kenneth Moore 9/1/92 QVRokI`BF
! Added TIMER function 4/18/96 ]{6yS9_tuI
! ~G ^}2#5
TIMER G$kwc
F'C
! $I6eHjYT
! The delta controls how many rays will be traced. A 'hi\ 98y
! delta of .025 will trace a 80 x 80 grid in the pupil. JQh s=Xg
! m<'xlF
delta = .025 $}nUK~$GSv
! Ho._&az9cT
print "This program computes the chief ray coordinates," %WT:RT _
print "centroid coordinates, and middle coordinates for" 5NvyK[w]
print "the primary wave spot at each field position." uj1E*
98m
maxfield = maxf() 1
GHgwT
if maxfield == 0 then maxfield = 1 QKaj4?p$|S
n = nsur() I7z]% Z
f = 1 ,t&-`U]AX
label 1 GxDF7
z%&
hx = fldx(f)/maxfield ZO0]+Ko
hy = fldy(f)/maxfield lnC Wu@{
raytrace hx,hy,0,0 < VxpMF
format 10.4 y=qo-v59'
print g*c\'~f;
print " X Field = ", fldx(f), F#bo4'&>@
print " Y Field = ", fldy(f) DMxS -hl
print " X Chief = ",rayx(n), Di"9 M(6vf
print " Y Chief = ",rayy(n) ST8/
;S#c
xraymax = -9e9 P $
dgO
yraymax = -9e9 -hR\Y 2?
xraymin = 9e9 w~KBk)!*
yraymin = 9e9 42LXL *-4
xraytot = 0 95 .'t}
yraytot = 0 pfQZ|*>lkb
numray = 0 U+r#Y E.
numrayattempt = 0 sPTUGx'
px = -1 - delta K2M NaB
label 2 ,p`b Wm
px = px + delta KB *#t
py = -1 - delta 32|L
$o
label 3 @
h`Zn1;
py = py + delta qe"6#@b *|
rad = px*px + py*py OmjT`, /
if rad <= 0.9999999 `0 XbV A
raytrace hx, hy, px, py 3N*C ]
numrayattempt = numrayattempt+1 q[+: t
if !rayv(n) **************************** fQ_8{=<-&X
numray = numray + 1 2/4x]i
H*
x = rayx(n) g+r{> x
y = rayy(n) @wgGnb)
if (x < xraymin) then xraymin = x YJvT
p~
if (x > xraymax) then xraymax = x H g_
XD,
if (y < yraymin) then yraymin = y RkP|_Bf8)
if (y > yraymax) then yraymax = y `"mK\M
xraytot = xraytot + x y$9 t!cx
yraytot = yraytot + y WJ4UJdf'
endif 54cgX)E[x
endif rZQH B[^3
if py < 1.0 then goto 3 )[X!/KR90
if px < 1.0 then goto 2 mf_'|
WDs
if numray UuC"-$ :
format 14.8 (ai-n,y
print " X Centroid = ",xraytot/numray, vk+%#w
print " Y Centroid = ",yraytot/numray t}+c/ C%b=
print " X Middle = ",(xraymax+xraymin)/2, /~huTKA }
print " Y Middle = ",(yraymax+yraymin)/2 HtYR 0J
format .0 \0T*msYQ
print " ",numray, " out of ", numrayattempt," rays made it through." 'p+QFT>Ca
else Pc4c Sw#5
print " No rays made it through!" )mVYqlU"
endif |8{iIvi/
f=f+1 5nqdY*
if f<= nfld() then goto 1 +1fOW4!5
print vS__*} ^
print "All field positions done!" k#NMD4(%O
FORMAT 0.1 sZBO_](S
print "Elapsed time ", ETIM(), " seconds." 6-}e-H
