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············· cGlN*GJ*H
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macro 正文：········· )> ZT{eF
! centroid.zpl &>jz[ 3
! )E9!m
! Written by Kenneth Moore 9/1/92 Lz 1.+:Ag
! Added TIMER function 4/18/96 +=($mcw #[
! k4q":}M
TIMER b}qfOgd5
! &#PPXwmR
! The delta controls how many rays will be traced. A aO1^>hy
! delta of .025 will trace a 80 x 80 grid in the pupil. |4@cX<d.
! 0D,@^vw bK
delta = .025 FyEKqYl
! +xYu@r%R
print "This program computes the chief ray coordinates," BM!ZdoKrKt
print "centroid coordinates, and middle coordinates for" Mq0MtC 6-
print "the primary wave spot at each field position." S`s]zdUTP
maxfield = maxf() 9y!0WZE{e
if maxfield == 0 then maxfield = 1 s@Q7F{z
n = nsur() 1V2]@VQF
f = 1 .z#eYn% d
label 1 v2x+_K}J
hx = fldx(f)/maxfield a i<qK3!O
hy = fldy(f)/maxfield T1Py6Q,-
raytrace hx,hy,0,0 (_pw\zk >
format 10.4 2^'Ec:|f
print IHEbT
print " X Field = ", fldx(f), =; Q/bD->
print " Y Field = ", fldy(f) }TTghE!
print " X Chief = ",rayx(n), x; ?8Zr
print " Y Chief = ",rayy(n) FJ0I&FyWs
xraymax = -9e9 Q/|.=:~FO
yraymax = -9e9 +?)7 l
xraymin = 9e9 -E}X`?WhD
yraymin = 9e9 B{/og*xd*1
xraytot = 0 )c11_1;
yraytot = 0 $OZ= L
numray = 0 U`6| K$@
numrayattempt = 0 ]gBnzh.
px = -1 - delta ZUS-4'"$
label 2 xL15uWk-
px = px + delta vEI{AmogRx
py = -1 - delta Fip
5vrD
label 3 qm_l#
u6
py = py + delta zQ+Mu^|u+
rad = px*px + py*py O>DS%6/G
if rad <= 0.9999999 ZLzc\> QX
raytrace hx, hy, px, py Vit-)o{zr
numrayattempt = numrayattempt+1 C_J@:HlJ
if !rayv(n) **************************** 4M&$wi
numray = numray + 1 ~ ky;[
x = rayx(n) uB)q1QQsqp
y = rayy(n) V0 ^{Ss1M
if (x < xraymin) then xraymin = x mh8fJ6j29N
if (x > xraymax) then xraymax = x \ ITd\)F%N
if (y < yraymin) then yraymin = y nXn@|J&z~U
if (y > yraymax) then yraymax = y # `^nmC/F
xraytot = xraytot + x QD7KE6KP'
yraytot = yraytot + y K<^p~'f4P
endif $IQPB_:
endif "s|P,*Xf
if py < 1.0 then goto 3 6>]
if px < 1.0 then goto 2 l 73%
y
if numray ?pZ"7kkD
format 14.8 aV$kxzEc
print " X Centroid = ",xraytot/numray, A l?%[-u
print " Y Centroid = ",yraytot/numray 4Fz Tf7h^
print " X Middle = ",(xraymax+xraymin)/2, s~{rC{9X
print " Y Middle = ",(yraymax+yraymin)/2 _. 9 5>`
format .0 +q
pW"0[
print " ",numray, " out of ", numrayattempt," rays made it through." "73*0'm
else 4~Qnhv7
print " No rays made it through!" yP7b))AW9
endif xT 06*wQ
f=f+1 KKsV Z~<6u
if f<= nfld() then goto 1 ;j9%D`u<
print C`r:jA<LC,
print "All field positions done!" HrE, K\^
FORMAT 0.1 2,:{ 5 ]Q$
print "Elapsed time ", ETIM(), " seconds." g)6>=Qo`8E
