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············· tQIz
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macro 正文：········· }j|YX&`p
! centroid.zpl p~Mw^SN'
! 4tFn Z2x
! Written by Kenneth Moore 9/1/92 (l:LG"sy\
! Added TIMER function 4/18/96 wZ~eE'zx+
! wRQMuFGY
TIMER wL"
2Cm
! QZ_8r# 2x
! The delta controls how many rays will be traced. A \.{ZgL5"
! delta of .025 will trace a 80 x 80 grid in the pupil. + :k"{I
! -! :h]
delta = .025 )F%zT[Auph
! m7,;Hr(
print "This program computes the chief ray coordinates," n,%/cU l
print "centroid coordinates, and middle coordinates for" + ZPn[|
print "the primary wave spot at each field position." }wV/)Oy[
maxfield = maxf() @i@f@.t
if maxfield == 0 then maxfield = 1 _l&.<nz
n = nsur() pL{ :8Ed
f = 1 `'/1Ij+
label 1 uE,j$d
hx = fldx(f)/maxfield ?bl9e&/!
hy = fldy(f)/maxfield 0tP{K
raytrace hx,hy,0,0 tcj3x<
format 10.4 8jU6N*p/
print Z TK)N
print " X Field = ", fldx(f), r[ RO"Ej"
print " Y Field = ", fldy(f) < ~35tOpv
print " X Chief = ",rayx(n), "AHuq%j
print " Y Chief = ",rayy(n) S)G*+)
xraymax = -9e9 +&8'@v $
yraymax = -9e9 7N[Cs$_]
xraymin = 9e9
@d6N[?3;
yraymin = 9e9 ;F\sMf{
xraytot = 0 TDHS/"MbA7
yraytot = 0 1_G5uHO
numray = 0 XQ$9E?|=
numrayattempt = 0 >Ms_bfSK
px = -1 - delta #%SF 2PB;
label 2 x.aqy'/ `
px = px + delta 5tm:|.`SQ
py = -1 - delta -owap -Va
label 3 dZ'H'm;,!
py = py + delta IyGW>g6_.
rad = px*px + py*py Rln@9muXA
if rad <= 0.9999999 :V:siIDn
raytrace hx, hy, px, py t{Gc, S!]5
numrayattempt = numrayattempt+1 3"iJ/Hc}9
if !rayv(n) **************************** QF9$SCmv
numray = numray + 1 K8|>" c~
x = rayx(n) *| &&3&7
y = rayy(n) 3d*wZ9qz
if (x < xraymin) then xraymin = x xY1@Ja
if (x > xraymax) then xraymax = x lsRW.h,
if (y < yraymin) then yraymin = y [HSN*LXe
if (y > yraymax) then yraymax = y %3 VToj@`>
xraytot = xraytot + x ^ lM.lS>)
yraytot = yraytot + y (pkq{: Fs
endif .+dego:
endif 2N}h<Yd 9
if py < 1.0 then goto 3 uy
oEMT#u
if px < 1.0 then goto 2 &=hkB9
;
if numray <l"rn M%
format 14.8 TW T h!
print " X Centroid = ",xraytot/numray, @RFJe$%
print " Y Centroid = ",yraytot/numray JzuP A I
print " X Middle = ",(xraymax+xraymin)/2, %Y<3v \`_
print " Y Middle = ",(yraymax+yraymin)/2 7G 5VwO
format .0 yD XW#q
print " ",numray, " out of ", numrayattempt," rays made it through." 5!}fd/}Uk
else x$/: %"E
print " No rays made it through!" K8g9IZ*lT
endif
^U0)iz
f=f+1 &(,-:"{pNR
if f<= nfld() then goto 1 pQ9~ ^
print $%0A#&DVh
print "All field positions done!" c-bTf$6}
FORMAT 0.1 <<[\
Rv
print "Elapsed time ", ETIM(), " seconds." ~ U`|+
5
