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············· ;esOe\z jE
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macro 正文：········· CTQJ =R"
! centroid.zpl ,Y7QmbX^
! Cq }E5M
! Written by Kenneth Moore 9/1/92 wAc;{60s]
! Added TIMER function 4/18/96 X?'pcYSL
! !d1a9los
TIMER ZQ_AqzT3D
! yVyh\u \
! The delta controls how many rays will be traced. A a" L9jrVrw
! delta of .025 will trace a 80 x 80 grid in the pupil. R#W= *cN
! 7Q?^wx
delta = .025 j7J'd? l
! lLS7K8;4W
print "This program computes the chief ray coordinates," f%rZ2h)
print "centroid coordinates, and middle coordinates for" rXq{WS`
print "the primary wave spot at each field position." <sls1,
maxfield = maxf() |u+!CR
if maxfield == 0 then maxfield = 1 *$@u`nM
n = nsur() =G`g-E2
f = 1 H'&[kgnQ@
label 1 ?$VkMu$2k
hx = fldx(f)/maxfield m"wP]OQH*+
hy = fldy(f)/maxfield r'MA$PiS'
raytrace hx,hy,0,0 Sv!JA#Ag
format 10.4 Yw_!40`
print JB'X H~4H
print " X Field = ", fldx(f), 9^@)R
ED
print " Y Field = ", fldy(f) iWIq~t*,H]
print " X Chief = ",rayx(n), Y}
6 @ w
print " Y Chief = ",rayy(n) }
g%v<'K
xraymax = -9e9 `i<Z<
<c>
yraymax = -9e9 e(Rbq8D
xraymin = 9e9 y2=yh30L0E
yraymin = 9e9 IRTD(7"oyp
xraytot = 0 R[ OXYHu
yraytot = 0 L[!||5y
numray = 0 IL`=r6 \
numrayattempt = 0 I
moxg+u
px = -1 - delta `4 g}( -
label 2 PlCj<b1D:
px = px + delta Os KtxtLO
py = -1 - delta lX"6m}~D
label 3 w/*m_O\!
py = py + delta <>)N$$Rx&
rad = px*px + py*py `\f 3Ij,
if rad <= 0.9999999 8{_lB#<[E
raytrace hx, hy, px, py |#'n VN.;
numrayattempt = numrayattempt+1 mv^X{T
if !rayv(n) **************************** Eihn%Esa
numray = numray + 1 }_5 R9w]"
x = rayx(n) n]i#&[*A(
y = rayy(n) [2E( 3`-u
if (x < xraymin) then xraymin = x n#@ Qd!uzM
if (x > xraymax) then xraymax = x m"QDc[^Ge
if (y < yraymin) then yraymin = y n~.$ iN
if (y > yraymax) then yraymax = y M=3gV?N
xraytot = xraytot + x 4]6-)RHFB
yraytot = yraytot + y s ;$f6X
endif d</F6 aM\
endif T"<)B^8f
if py < 1.0 then goto 3 \`E^>6!]q
if px < 1.0 then goto 2 4u+0 )<
if numray u1=K#5^
format 14.8 fH $#vRcq
print " X Centroid = ",xraytot/numray, _*MK"
print " Y Centroid = ",yraytot/numray 8:> V'j
print " X Middle = ",(xraymax+xraymin)/2, v*%52_
print " Y Middle = ",(yraymax+yraymin)/2 w 5?D]u
format .0 PcqS#!t
print " ",numray, " out of ", numrayattempt," rays made it through." 6q6xqr:W
else fP\q?X@]E
print " No rays made it through!" >H ?k0M`L
endif hS&l4 \I'Z
f=f+1 D~#%^a+Aq_
if f<= nfld() then goto 1 .ws86stFSb
print *l=(?Pe<
print "All field positions done!" LD1&8kJ*l
FORMAT 0.1 G? XS-oSv
print "Elapsed time ", ETIM(), " seconds." |0Xf":
