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············· @-z#vJ5Qe{
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macro 正文：········· q\q V~G`
! centroid.zpl u_aln[oIv
! (% fl
! Written by Kenneth Moore 9/1/92 K8dlECy
! Added TIMER function 4/18/96
TA47lz q
! qAH@)}
TIMER 4>4*4!KR}
! 8s4y7%,|
! The delta controls how many rays will be traced. A Mk=;UBb$X
! delta of .025 will trace a 80 x 80 grid in the pupil. 9o.WJ
! +$ )C KC
delta = .025 nL}bCX{
! WgdL^PN(h
print "This program computes the chief ray coordinates," {I eW~S' &
print "centroid coordinates, and middle coordinates for" )x.}B4z
print "the primary wave spot at each field position." w;.'>ORC
maxfield = maxf() }b9#.H9
if maxfield == 0 then maxfield = 1 ]fXMp*LvY
n = nsur() z8 bDBoD6
f = 1 A9 ! gww
label 1 #e.2m5T
hx = fldx(f)/maxfield QZBXI3%#s
hy = fldy(f)/maxfield ~U :{~z
raytrace hx,hy,0,0 :&= TE 2
format 10.4 ]1 #& J(
print \s2hep
print " X Field = ", fldx(f), D4yJ:ATO&
print " Y Field = ", fldy(f) TB] %?L:
print " X Chief = ",rayx(n), Xj^6ZJc
print " Y Chief = ",rayy(n) h<.G^c )
xraymax = -9e9 40pGu
yraymax = -9e9 8<$6ufvOv
xraymin = 9e9 (NUk{MTX
yraymin = 9e9 a z
7Vy-
xraytot = 0 p6[a"~y
yraytot = 0 5y!
4ny _
numray = 0 w>T1 D
numrayattempt = 0 V *=T o
px = -1 - delta 9<5SQ
label 2 65VnH =
px = px + delta FxSBxz<N-A
py = -1 - delta [ADr
_
label 3 A)En25,X
py = py + delta lTPo2-j/eK
rad = px*px + py*py /%Bc*k=ox
if rad <= 0.9999999 ?7@Y=7BS4
raytrace hx, hy, px, py }N5>^y
numrayattempt = numrayattempt+1 B^Q\l!r
if !rayv(n) **************************** 2Z6# 3~
numray = numray + 1 euM7>
$`
x = rayx(n) 2O {@W +Mt
y = rayy(n) KyW6[WA9
if (x < xraymin) then xraymin = x FG7}MUu
if (x > xraymax) then xraymax = x ?eT^gWX
if (y < yraymin) then yraymin = y /-<S F T`
if (y > yraymax) then yraymax = y `G\uTC pk
xraytot = xraytot + x nBL7LocvR
yraytot = yraytot + y ~oI7TP
endif < vU<:S
endif ^~0Mw;n&
if py < 1.0 then goto 3 4EzmH)4G
if px < 1.0 then goto 2 D;)Tm|XizW
if numray zF%CFqQ
format 14.8 goi.'8M|/b
print " X Centroid = ",xraytot/numray, w4pU^&O
print " Y Centroid = ",yraytot/numray ,v:m
print " X Middle = ",(xraymax+xraymin)/2, AwB ]0H
print " Y Middle = ",(yraymax+yraymin)/2 } ab@Nd$
format .0 xBd#
print " ",numray, " out of ", numrayattempt," rays made it through." <OF7:f
else dg 0`0k
print " No rays made it through!" 0F sz
endif u&`7 C
f=f+1 b9[;qqq@'
if f<= nfld() then goto 1 > /1N#S#9
print 6}
!n0
print "All field positions done!" ZA zn-n
FORMAT 0.1 CJk$o K{Q
print "Elapsed time ", ETIM(), " seconds." `@ULG>
