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············· #px+;k 5
,uSMQS-O'4
macro 正文：········· 2@ n{yYwy
! centroid.zpl }Sm(]y
! XO>KZV7)
! Written by Kenneth Moore 9/1/92 dc+>m,3$
! Added TIMER function 4/18/96 ;V:i!u u
! (R[[Z,>w.
TIMER c ?(4t67|
! g+8OekzB5
! The delta controls how many rays will be traced. A : Xda1S
! delta of .025 will trace a 80 x 80 grid in the pupil. j nkR}wAA
! I13y6= d
delta = .025 J|W<;
! 2 prU
print "This program computes the chief ray coordinates," @+&LYy72
print "centroid coordinates, and middle coordinates for" P>y@kPi
print "the primary wave spot at each field position." m<<+
maxfield = maxf() QGMV}y
if maxfield == 0 then maxfield = 1 pQyK={7?`
n = nsur() bbDZ# DK"
f = 1 sf:,qD=z
label 1 Q 4#.X=.d
hx = fldx(f)/maxfield _>o:R$ %}
hy = fldy(f)/maxfield -vAC"8)S
raytrace hx,hy,0,0 aG-vtld
format 10.4 3<e=g)F
print z{%< <pZ
print " X Field = ", fldx(f), %e8@*~h@
print " Y Field = ", fldy(f) [7:,?$tC
print " X Chief = ",rayx(n), DHg :8%3 x
print " Y Chief = ",rayy(n) ^)470K`%)
xraymax = -9e9 0.Q
U jw
yraymax = -9e9 RF?`vRZ Oe
xraymin = 9e9 v8w q,CYV
yraymin = 9e9 G~]Uk*M
q
xraytot = 0 #JqB ;'\
yraytot = 0 Zcey|m*|
numray = 0 cRC6 s8
numrayattempt = 0 v1#otrf
px = -1 - delta I:-Wy"i
label 2 DcS+_>a\{l
px = px + delta :^<3>zk
py = -1 - delta A\*>TN>s
label 3 W Tcw 4
py = py + delta SjK
rad = px*px + py*py h<h% *av|
if rad <= 0.9999999 %6t:(z
raytrace hx, hy, px, py DVO.FTV^`
numrayattempt = numrayattempt+1 i:dR\ |B
if !rayv(n) **************************** cQjv$$&6[
numray = numray + 1 !@5 9)
x = rayx(n) %J}x g^+f
y = rayy(n) m%0p\Y-/
if (x < xraymin) then xraymin = x ~kV/ !=
if (x > xraymax) then xraymax = x ~EW(Gs!=C
if (y < yraymin) then yraymin = y a6 ekG YW
if (y > yraymax) then yraymax = y M+oHtX $
xraytot = xraytot + x I !-
U'{
yraytot = yraytot + y gZVc 5u<
endif \a< wKTkn
endif s$IDLs,WM
if py < 1.0 then goto 3 RCJ|P~*
if px < 1.0 then goto 2 UklU w
if numray ; cNv\t
format 14.8 D2 #ZpFp"h
print " X Centroid = ",xraytot/numray, >:SHV W
print " Y Centroid = ",yraytot/numray &. 3"Uo\#
print " X Middle = ",(xraymax+xraymin)/2, 7o\@>rNWP
print " Y Middle = ",(yraymax+yraymin)/2 NCveSP
format .0 `4r 3l S
print " ",numray, " out of ", numrayattempt," rays made it through." 9p85Pv [M=
else 53_Hl]#qZ
print " No rays made it through!" zg>zUe
bA
endif cF*TotU_m
f=f+1 `Uq#W+r,
if f<= nfld() then goto 1 #{0HYg?(f
print n>z9K')
print "All field positions done!"
oue C
FORMAT 0.1 KV91) U
print "Elapsed time ", ETIM(), " seconds." 'I|v[G$l
