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············· B~NC
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macro 正文：········· ` aUp&8{
! centroid.zpl cMl%)j-
! jyGVb no`
! Written by Kenneth Moore 9/1/92 U YQ$c }Z5
! Added TIMER function 4/18/96 8[C6LG
! MP,*W }@
TIMER jVINc=o
! `+ .I
! The delta controls how many rays will be traced. A OVyy}1Hx
! delta of .025 will trace a 80 x 80 grid in the pupil. -"e}YN/
! %&C l@6
delta = .025 Ln_l>X6j51
! faq
K D:
print "This program computes the chief ray coordinates," V)2_T!e%*
print "centroid coordinates, and middle coordinates for" OD]J@m
print "the primary wave spot at each field position." xiF%\#N
maxfield = maxf() pD# "8h
if maxfield == 0 then maxfield = 1 :xPvEK[B7
n = nsur() 6
b}feEh$!
f = 1 <d L 04F
label 1 4c=kT@=jX
hx = fldx(f)/maxfield WQpJd7
hy = fldy(f)/maxfield uC(S`Q[Bg
raytrace hx,hy,0,0 C):d9OI?
format 10.4 U_- K6:tr
print pYVy(]1I(3
print " X Field = ", fldx(f), `5-#M/J
print " Y Field = ", fldy(f) y.:-
print " X Chief = ",rayx(n), Yd;r8rN
print " Y Chief = ",rayy(n) ^qx\ e$R
xraymax = -9e9 ({KAh?
yraymax = -9e9 j#,M@CE
xraymin = 9e9 ? SP7vQ/
yraymin = 9e9 t4@g;U?o
xraytot = 0 t4/eB<fP
yraytot = 0 1ckw[ 0d
numray = 0 ZYe\"|x,s
numrayattempt = 0 2w|u)ow )
px = -1 - delta 5vi#ItN}|
label 2 {H; |G0tR
px = px + delta `^-Be
py = -1 - delta mzxvfXSF
label 3 htYrv5q=M
py = py + delta F Rt/{(jro
rad = px*px + py*py ^3|$wB=
if rad <= 0.9999999 4 sBoD=e
raytrace hx, hy, px, py ff1B)e
numrayattempt = numrayattempt+1 }8 M`2HMFR
if !rayv(n) **************************** j' KobyX<
numray = numray + 1 0 a 6@HwO
x = rayx(n) + Z&&H'xD
y = rayy(n) %C6zXiO"
if (x < xraymin) then xraymin = x Qz) 8eIO:
if (x > xraymax) then xraymax = x 7Y|>xx=v
if (y < yraymin) then yraymin = y %4|}&,%%r
if (y > yraymax) then yraymax = y [RFK-E
xraytot = xraytot + x qb> r\bc
yraytot = yraytot + y qm8n7Z/
endif &@utAuI
endif tW.>D;8
if py < 1.0 then goto 3 y2"S\%7$h
if px < 1.0 then goto 2 vDeG20.?Z
if numray :. [5('
format 14.8 JJ9e{~0 I
print " X Centroid = ",xraytot/numray, RrU~"P1C
print " Y Centroid = ",yraytot/numray c w]>a&d
print " X Middle = ",(xraymax+xraymin)/2, /W$y"!^)J1
print " Y Middle = ",(yraymax+yraymin)/2 @VC9gd O/
format .0 vYR=TN=Z4
print " ",numray, " out of ", numrayattempt," rays made it through." renmz,dJ,
else .cT$h?+jyl
print " No rays made it through!" mGpkM?Y"
endif k3 /JQ]'D
f=f+1 0?Tk* X
if f<= nfld() then goto 1 q8 xc70: R
print aRO_,n9
print "All field positions done!" g1 Wtu*K3
FORMAT 0.1 %Di 7u- x
print "Elapsed time ", ETIM(), " seconds." ?Y6la.bc{
