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············· ISI\< qx
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macro 正文：········· #7IM#t c@
! centroid.zpl (bxSN@hp2
! M1^?_; B
! Written by Kenneth Moore 9/1/92 ~n$VCLa
! Added TIMER function 4/18/96 7 u!i)<pn
! 8F(lW)A n
TIMER }&)X4=
! bsw0+UY=9
! The delta controls how many rays will be traced. A 0*MY4r|-
! delta of .025 will trace a 80 x 80 grid in the pupil. Fu0 dYN
! ;Ft_ Xiq
delta = .025 1D 03Nbh|5
! QCFLi n+r
print "This program computes the chief ray coordinates," [];*9vxW
print "centroid coordinates, and middle coordinates for" a$p?r3y
print "the primary wave spot at each field position." IWvLt
maxfield = maxf() kh /n|2
if maxfield == 0 then maxfield = 1 V,<3uQD9a
n = nsur() lC Bb0k2
f = 1 )UA};Fus
label 1 &13qlc6
hx = fldx(f)/maxfield n 0_q-8r
hy = fldy(f)/maxfield Y<0;;tVf4U
raytrace hx,hy,0,0 xJtblZ1sr
format 10.4 5o 4\Jwt
print dd#=_xe
print " X Field = ", fldx(f), x2 *l5t
print " Y Field = ", fldy(f) oa(R,{_*q
print " X Chief = ",rayx(n), A*jU&3#
print " Y Chief = ",rayy(n) )mw#MTv<[
xraymax = -9e9 B#Cb`b"
yraymax = -9e9 fmf3 Hp@
xraymin = 9e9 f]M KNX
yraymin = 9e9 QFMR~6 ?
xraytot = 0 1'or[Os3=
yraytot = 0 4. :2!Q
numray = 0 <rZ( B>$
numrayattempt = 0 fvn`$
px = -1 - delta +;uP)
"Q/L
label 2 P ,-f]k[_
px = px + delta InnjZ>$
py = -1 - delta +eSNwR=
label 3 qRkY-0vBP
py = py + delta :ulOG{z
rad = px*px + py*py b(JQ>,hX
if rad <= 0.9999999 jC3ta
raytrace hx, hy, px, py ocCq$%Ka
numrayattempt = numrayattempt+1 ME"B1 Se\
if !rayv(n) **************************** @v^;,cu'8
numray = numray + 1 84v7g`lrR
x = rayx(n) ]hNio6CVm
y = rayy(n) EXDZehLD<]
if (x < xraymin) then xraymin = x n pC:SrI%
if (x > xraymax) then xraymax = x FCL7Tn
if (y < yraymin) then yraymin = y U$+EUDFi3_
if (y > yraymax) then yraymax = y
q1!45a
xraytot = xraytot + x 7kX;|NA1
yraytot = yraytot + y ;}v#hKC~
endif )Il)
H
endif w<=?%+n
if py < 1.0 then goto 3 m)l<2 `CM
if px < 1.0 then goto 2 0c6b_%Rd
if numray = F*SAz
format 14.8 |>_e& }Y%L
print " X Centroid = ",xraytot/numray, FXMrD,qVg
print " Y Centroid = ",yraytot/numray Z fM DyS$.
print " X Middle = ",(xraymax+xraymin)/2, |q0F*\z3
print " Y Middle = ",(yraymax+yraymin)/2 /-%0y2"7
format .0 /4Ud6g scf
print " ",numray, " out of ", numrayattempt," rays made it through." mX8k4$ z
else ncw)VH;_-
print " No rays made it through!" KrVP#|9%"
endif =.T 50~+M
f=f+1 P1cI]rriW
if f<= nfld() then goto 1 P/ %5J3_,
print BwpEIV@b]
print "All field positions done!" w[ )97d
FORMAT 0.1 [;6,lI}
print "Elapsed time ", ETIM(), " seconds." ^j~CYzmt
