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············· am I$0
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macro 正文：········· W'{q
! centroid.zpl M,[u}Rf^w
! Y =3:Q%X
! Written by Kenneth Moore 9/1/92 :=#*[H
! Added TIMER function 4/18/96 #&\ hgsw/T
! AR\?bB~`c
TIMER W%]sI n
! [ woR 9azC
! The delta controls how many rays will be traced. A g0.D3 6
! delta of .025 will trace a 80 x 80 grid in the pupil. 4%WV)lt
! K[LTw_oE
delta = .025 5* 1wQlL
! .rj FhSr$
print "This program computes the chief ray coordinates," OT7F#:2`
print "centroid coordinates, and middle coordinates for" Mj$d Dtw
print "the primary wave spot at each field position." G)l[\6Dn
maxfield = maxf() "r0z( j
if maxfield == 0 then maxfield = 1 ~B%EvG7:n
n = nsur() )@Yp;=l
f = 1 qR <
label 1 i L1.R+
hx = fldx(f)/maxfield {+[~;ISL
hy = fldy(f)/maxfield =$5[uI2
raytrace hx,hy,0,0 uPe4Rr
format 10.4 96F:%|yG
print o}5:vi]
print " X Field = ", fldx(f), 4 'rWy~`
V
print " Y Field = ", fldy(f) yy?| q0
print " X Chief = ",rayx(n), 1Qf21oN{
print " Y Chief = ",rayy(n) !)tXN=(1a
xraymax = -9e9 my " )/e
yraymax = -9e9 s<qSelj
xraymin = 9e9 U-TwrX
yraymin = 9e9 K G~](4JE(
xraytot = 0 <9bQAyL9
yraytot = 0 xtjT U;T
numray = 0 : 5?ti
numrayattempt = 0 $XFG1?L!
px = -1 - delta <Q=ES,M
label 2 { mL /)\
px = px + delta M@Q= !!tQ(
py = -1 - delta 6K P!o
label 3 VO(Ck\i}
py = py + delta := ~%&
rad = px*px + py*py oKt<s+r
if rad <= 0.9999999 2Z@<llsi
raytrace hx, hy, px, py *cp|lW !ag
numrayattempt = numrayattempt+1 `ea$` 2
if !rayv(n) **************************** 0s0[U
numray = numray + 1 N l_!%k:
x = rayx(n) ( uOW5,e7
y = rayy(n) v\-"NHl
if (x < xraymin) then xraymin = x vyV n5 s
if (x > xraymax) then xraymax = x g)$Pvfc
if (y < yraymin) then yraymin = y mk BQX
if (y > yraymax) then yraymax = y Z;S *fS-_
xraytot = xraytot + x :G^`LyO M
yraytot = yraytot + y Hh;w\)/%j
endif W~k!qy `
endif A&9l|b-"
if py < 1.0 then goto 3 e%bER ds
if px < 1.0 then goto 2 /N%f78
Z
if numray 3N+P~v)T'
format 14.8 EFql
g9bK
print " X Centroid = ",xraytot/numray, RU"w|Qu>pM
print " Y Centroid = ",yraytot/numray *BXtE8
BU
print " X Middle = ",(xraymax+xraymin)/2, &;)~bS(
print " Y Middle = ",(yraymax+yraymin)/2
`4}!+fXQ
format .0 *`}_e)( k
print " ",numray, " out of ", numrayattempt," rays made it through." cYR6+PKua
else ";s5It
print " No rays made it through!" p hXVuQ
endif iZ MsN*9[
f=f+1 $:u,6|QsS=
if f<= nfld() then goto 1 + {hxEDz
print |~ \K:[T&
print "All field positions done!" sF+0v p
FORMAT 0.1 W Kah$l
print "Elapsed time ", ETIM(), " seconds." x(]s#D!)
