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············· >kZ57,
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macro 正文：········· nwt C:*}
! centroid.zpl f;SC{2 f
! ;^Sr"v6r>u
! Written by Kenneth Moore 9/1/92 VQI(Vp|
! Added TIMER function 4/18/96 { %v-(
! x3ERCqTR
TIMER \'CN
! 5v)(8|.M
! The delta controls how many rays will be traced. A h_d +$W5
! delta of .025 will trace a 80 x 80 grid in the pupil. 'V+dBt3
! ` ~U ZU@/x
delta = .025 _lKZmhi
! ]&~]#vB#
print "This program computes the chief ray coordinates," FSuAjBl0-
print "centroid coordinates, and middle coordinates for" ZPN
roCK`
print "the primary wave spot at each field position." N r<`Z
maxfield = maxf() m4E)qCvy
if maxfield == 0 then maxfield = 1 L(>=BK*
n = nsur() +|Hioq* ,t
f = 1 g42)7
label 1 ,fIe&zq
hx = fldx(f)/maxfield gk BdR +
hy = fldy(f)/maxfield w6dFb6~R
raytrace hx,hy,0,0 [
=x s4=
format 10.4 v4miU;|\
print C${ S^v
print " X Field = ", fldx(f), 9mc!bj^811
print " Y Field = ", fldy(f) >> Ts ??
print " X Chief = ",rayx(n), 2jsw"aHW
print " Y Chief = ",rayy(n) Y!q!5C rfi
xraymax = -9e9 X2mREt9
yraymax = -9e9 /N>e&e[35\
xraymin = 9e9 depYqYK7G
yraymin = 9e9 >R{qESmP=
xraytot = 0 Ll 4bdz,
yraytot = 0 :f5s4N
numray = 0 UX<Q cjm$e
numrayattempt = 0 Q(d9n 8
px = -1 - delta !J*, )kRN
label 2 `u!l3VZ/4
px = px + delta 49Df?sx
py = -1 - delta wfL-oi '5
label 3 b?4/#&z]
py = py + delta e6X[vc|Y}
rad = px*px + py*py .O*bILU
if rad <= 0.9999999 &L t[WT$
raytrace hx, hy, px, py gw`B "c|
numrayattempt = numrayattempt+1 m+{K^kr[
if !rayv(n) **************************** cWGDee(
numray = numray + 1 }),w1/#5u8
x = rayx(n) 5WqXo{S
y = rayy(n) VN0mDh?E
if (x < xraymin) then xraymin = x SYeadsvF
if (x > xraymax) then xraymax = x xt'tL:d
if (y < yraymin) then yraymin = y vB37M@wm
if (y > yraymax) then yraymax = y fl
Jp4-nx
xraytot = xraytot + x S0g'r
!;6
yraytot = yraytot + y wi8Yl1p]!z
endif =Cv/Y%DN
endif :0K8h
if py < 1.0 then goto 3 hqk}akXt
if px < 1.0 then goto 2 {
7 4mf'IW
if numray )5%C3/Dl!
format 14.8 [U#72+K
print " X Centroid = ",xraytot/numray, ,y9iKkg
print " Y Centroid = ",yraytot/numray ;TcvA
print " X Middle = ",(xraymax+xraymin)/2, 4$/i%B#ad
print " Y Middle = ",(yraymax+yraymin)/2 2#X4G~>#h
format .0 $rXh0g
print " ",numray, " out of ", numrayattempt," rays made it through." Tj~ I aU
else ;v17K
print " No rays made it through!" }
B396 X
endif Bb& ^ {7
f=f+1 FtufuL?JS
if f<= nfld() then goto 1 ,:Vm6u!
print I fO;S*Qt
print "All field positions done!" UgB'[@McS
FORMAT 0.1 N3t0-6$_
print "Elapsed time ", ETIM(), " seconds." e& ANp0|W
