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············· %<#3_}"T|
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macro 正文：········· 9Y@?xn.\
! centroid.zpl ~G:2iSi(#
! EQOP?>mWx!
! Written by Kenneth Moore 9/1/92
R{KIkv
! Added TIMER function 4/18/96 nC.2./OwMf
! +y4AUU:Q
TIMER ! }?jC p p
! {r2|fg i
! The delta controls how many rays will be traced. A JrWBc p:Y
! delta of .025 will trace a 80 x 80 grid in the pupil. FO>( QLlH
! 4J
51i *`
delta = .025 zM r !WoW
! KW7 ? : x
print "This program computes the chief ray coordinates," ^8l3j4
print "centroid coordinates, and middle coordinates for" P(gVF |J?
print "the primary wave spot at each field position." A r7 mH4M
maxfield = maxf() V52C,]qQH
if maxfield == 0 then maxfield = 1 V]kGcS}
n = nsur() ?-:: {2O)
f = 1 :Ip:sRz
label 1 /b:t;0G
hx = fldx(f)/maxfield x gT~b9
hy = fldy(f)/maxfield Ao, ! z
raytrace hx,hy,0,0 [aM '
format 10.4 -S%q!%}u
print $K_YC~
print " X Field = ", fldx(f), $n#Bi.A
j
print " Y Field = ", fldy(f) $FusDdCv3
print " X Chief = ",rayx(n), -6~y$c&c
print " Y Chief = ",rayy(n) 'tu@ `7*
xraymax = -9e9 waWKpk1Wo
yraymax = -9e9 ,Lun-aMd
xraymin = 9e9 Z-h7
yraymin = 9e9 =e!l=d|/
xraytot = 0 H9san5{
yraytot = 0 =1
BNCKT<
numray = 0 oAZF3h]po
numrayattempt = 0 #;"D)C
px = -1 - delta ~ @4Z V
label 2 ;6 4mf`
px = px + delta }uI7 \\ S
py = -1 - delta p ba8=Z
label 3 ^>X)"'0+
py = py + delta $ # !UGY
rad = px*px + py*py T~o{woq}g
if rad <= 0.9999999 <{cNgKd9
raytrace hx, hy, px, py b WbXh$
numrayattempt = numrayattempt+1 ] Q4PbW
if !rayv(n) **************************** ?)'
2l6
numray = numray + 1 ]KXMGH_
x = rayx(n) "\/^/vn?
y = rayy(n) 6v gB qn[
if (x < xraymin) then xraymin = x ~3bZ+*H>
if (x > xraymax) then xraymax = x H\| ]!8w5Z
if (y < yraymin) then yraymin = y hH1lgc
if (y > yraymax) then yraymax = y Wyq~:vU.S
xraytot = xraytot + x MZ5Y\-nq\
yraytot = yraytot + y J}(6>iuQY?
endif .5Knb c
endif a4T~\\,dZ>
if py < 1.0 then goto 3 }{5mH:
if px < 1.0 then goto 2 f{igW?Ho
if numray OpK. Lsd0y
format 14.8 %-#
q O
print " X Centroid = ",xraytot/numray, ZM oJ#p(
print " Y Centroid = ",yraytot/numray rps(Jos _~
print " X Middle = ",(xraymax+xraymin)/2, os1?6 z~
print " Y Middle = ",(yraymax+yraymin)/2 WDE e$k4.
format .0 |As2"1_f
print " ",numray, " out of ", numrayattempt," rays made it through." ok `]:gf
else L\ }Pzxn
print " No rays made it through!" w{3Q( =&
endif ,{ ?q^"
f=f+1 I( ]BMMj
if f<= nfld() then goto 1 -=$% {
print .!(,$ '(@=
print "All field positions done!" jow 7 t\wk
FORMAT 0.1 IV{FH&t^T"
print "Elapsed time ", ETIM(), " seconds." P3iA(3I24<
