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············· NVVAh5R
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macro 正文：········· Z(E .F,k
! centroid.zpl _ru<1n[4~
! 4P 2p|Gc3
! Written by Kenneth Moore 9/1/92 84(jg P
! Added TIMER function 4/18/96 q9(O=7O]-
! Pi&\GMzd
TIMER Kd#64NSi$A
! v@X [0J_8
! The delta controls how many rays will be traced. A Z,3CMWHg
! delta of .025 will trace a 80 x 80 grid in the pupil. R plcM%YJn
! EY1L5 Ba.
delta = .025 6{Bvl[mhI
! e mq%"
;.
print "This program computes the chief ray coordinates," =0@ o(#gM
print "centroid coordinates, and middle coordinates for" }Ny~.EV5^
print "the primary wave spot at each field position." IxP$ lx
maxfield = maxf() (_q&QI0{
if maxfield == 0 then maxfield = 1 QK~>KgVi
n = nsur() @S012} xH
f = 1 Erl@] P4
label 1 .b%mr:nEt7
hx = fldx(f)/maxfield F fzY3r+
hy = fldy(f)/maxfield wZ8LY;
raytrace hx,hy,0,0 _i"[m(ABj1
format 10.4 {.,y v>%
print =66, $~g{
print " X Field = ", fldx(f), { *|$@%y!
print " Y Field = ", fldy(f) ku5g`h o
print " X Chief = ",rayx(n), U&tR1v'
print " Y Chief = ",rayy(n) TwE&5F*
xraymax = -9e9 "jl`FAu)q
yraymax = -9e9 H ~qY7t
xraymin = 9e9 RK]."m0c~#
yraymin = 9e9 $r)nvf`\
xraytot = 0 5a l44[
yraytot = 0 xeHqC9Ou
numray = 0 VM
ny>g&3
numrayattempt = 0 rNHV
px = -1 - delta 20uR? /|@
label 2 =>h~<88#5
px = px + delta j[1^#kE
py = -1 - delta jr5x!@rb
label 3 =HvLuVc
py = py + delta _bq2h%G=8
rad = px*px + py*py @*LESN>T@t
if rad <= 0.9999999 KWV{wW=-
raytrace hx, hy, px, py q} R"
numrayattempt = numrayattempt+1 65A>p:OO
if !rayv(n) **************************** ">RDa<H]
numray = numray + 1 'uOp?g' 7
x = rayx(n) 80M4~'3
y = rayy(n) >G+?X+9
if (x < xraymin) then xraymin = x hMs}r,*
if (x > xraymax) then xraymax = x M *c`@\
if (y < yraymin) then yraymin = y :@X@8j":
if (y > yraymax) then yraymax = y A&0sD}I\K
xraytot = xraytot + x ZjJEjw
yraytot = yraytot + y `qsn;
endif 2 ? 7a\s
endif 'W j Q
if py < 1.0 then goto 3 ,Gd8 <
if px < 1.0 then goto 2 p>p=nL K
if numray f&>Q 6 {*]
format 14.8 = %7 :[#n
print " X Centroid = ",xraytot/numray, 3' 6>zp
print " Y Centroid = ",yraytot/numray ',*
6vbII
print " X Middle = ",(xraymax+xraymin)/2, {4{A Cp
print " Y Middle = ",(yraymax+yraymin)/2 \*w*Q(&3
format .0 |3g:q
print " ",numray, " out of ", numrayattempt," rays made it through." 7QRtNYo#\
else UkL'h&J~
print " No rays made it through!" Fx0<!_tY-
endif O@_)]z?jUc
f=f+1 (#. )~p oZ
if f<= nfld() then goto 1 #PmF@
CHR
print 'bg%9}
print "All field positions done!" H p" :r%)
FORMAT 0.1 !NYc!gYD
print "Elapsed time ", ETIM(), " seconds." 'gE_xn7j
