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············· C f+O7Y`^
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macro 正文：········· NeWssSje
! centroid.zpl - -]\z* x
! ^L[Z +7|
! Written by Kenneth Moore 9/1/92 't>Qj7vh0
! Added TIMER function 4/18/96 ))MP]j9
T
! * T~sR'K+|
TIMER L72GF5+!!
! ~L1N1Z)Kk
! The delta controls how many rays will be traced. A :<j f}[w!
! delta of .025 will trace a 80 x 80 grid in the pupil. W6*( Y
! 6)?TWr'K e
delta = .025 1%+ 0OmV&
! KYeA=
print "This program computes the chief ray coordinates," 'fgDe
print "centroid coordinates, and middle coordinates for" QKF2_Acc
print "the primary wave spot at each field position." N* z<VZ
maxfield = maxf() r DSt
~ l
if maxfield == 0 then maxfield = 1 L,:U _\HQ
n = nsur() w}E?FEe.
f = 1 [Z[)hUXE?
label 1 11)~!in
hx = fldx(f)/maxfield pjoI};
hy = fldy(f)/maxfield Tq?W @DM*
raytrace hx,hy,0,0 O/ 5W-u
format 10.4 JD> !3>S)?
print q!7\`>.2:{
print " X Field = ", fldx(f), v<- D>iJ
print " Y Field = ", fldy(f) pu^1 s#g8w
print " X Chief = ",rayx(n), $)uQ%/DH >
print " Y Chief = ",rayy(n) C= Zuy^
xraymax = -9e9 n%O`K{86
yraymax = -9e9 g)"6|Z?D"
xraymin = 9e9 |g9^]bT
yraymin = 9e9 (z.Vwl 5
xraytot = 0 kBT cN D|
yraytot = 0 Sj*H4ZHD<&
numray = 0 6s uc0
numrayattempt = 0 ]~ oM'?&!
px = -1 - delta SHaZ-d
label 2
o]FQ)WRB
px = px + delta <.AIV p
py = -1 - delta B
O"+m
label 3 NN$`n*;l
py = py + delta hVID~L$
rad = px*px + py*py eFx*l YjA
if rad <= 0.9999999 A/.cNen
raytrace hx, hy, px, py <>R7G)w
F
numrayattempt = numrayattempt+1 M\]E;C'"U
if !rayv(n) **************************** Nn^el' S'
numray = numray + 1 m]%cNxS
x = rayx(n) [R~HhM
y = rayy(n) J) (pGS@
if (x < xraymin) then xraymin = x .!`j3W]
if (x > xraymax) then xraymax = x n1LS*-@
if (y < yraymin) then yraymin = y 4x3`dvfp/
if (y > yraymax) then yraymax = y ]f\rB8k|&
xraytot = xraytot + x x
1 _(j
yraytot = yraytot + y 0 Hq$h
endif '.bMkty#
endif R:fu n ,
if py < 1.0 then goto 3 _6|b0*jv'&
if px < 1.0 then goto 2 D ` gY6wX
if numray c[YC}@l%a
format 14.8 Z]6D0b
print " X Centroid = ",xraytot/numray, W}e5 4-lu
print " Y Centroid = ",yraytot/numray < /}[x2w?]
print " X Middle = ",(xraymax+xraymin)/2, 57#:GN$E L
print " Y Middle = ",(yraymax+yraymin)/2 , 5/gNg
format .0 i7p3GBXh[
print " ",numray, " out of ", numrayattempt," rays made it through." z6Hl+nq B
else EEaFi 8
print " No rays made it through!" B>'\g
O\2
endif M5q7`
}>G
f=f+1 w?R 6$n`
if f<= nfld() then goto 1 8 Ej2JMc
print oo qNPLa
print "All field positions done!" vbWX`skU
FORMAT 0.1 >sP;B5S
print "Elapsed time ", ETIM(), " seconds." Z 2ZS5a
