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············· !".@Wg$
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macro 正文：········· #t{?WkO[
! centroid.zpl 9 ft7
! {mI95g&
! Written by Kenneth Moore 9/1/92 %>pglI
! Added TIMER function 4/18/96 pU}>}
! kgYa0 e5
TIMER *6=[Hmygi
! ~KrzJp=5F
! The delta controls how many rays will be traced. A zvD$N-#`p
! delta of .025 will trace a 80 x 80 grid in the pupil. jaNkWTm :
! /G</ [ N5
delta = .025 }`*]&I[P
! 8R-?x/:
print "This program computes the chief ray coordinates," YY$K;t{dk
print "centroid coordinates, and middle coordinates for" 9[8?'`m
print "the primary wave spot at each field position." 5 {'%trDEy
maxfield = maxf() Cee?%NaTS
if maxfield == 0 then maxfield = 1 gLu #M:4N
n = nsur() m& o&XVC
f = 1 Mi S$Y
label 1 8[xb+_
hx = fldx(f)/maxfield +tl THK
hy = fldy(f)/maxfield f{ENSUtCrR
raytrace hx,hy,0,0 J]Uki*s
format 10.4 uVIs5IZzIi
print =|am=Q?Q
print " X Field = ", fldx(f), ']4sx_)S
print " Y Field = ", fldy(f) |'1[\<MM3
print " X Chief = ",rayx(n), r;}kw(ukC
print " Y Chief = ",rayy(n) ~Kt.%K5lgt
xraymax = -9e9 ;|}6\=(
yraymax = -9e9 x|E$
f+
xraymin = 9e9 .M l}cE$L
yraymin = 9e9 He&d VP
xraytot = 0 ; h] zN
yraytot = 0 "y>l2V,4j%
numray = 0 oIX]9~
numrayattempt = 0 eK4\v:oG1
px = -1 - delta I
gA0RY1
label 2 d;)Im
"
px = px + delta [o\ O^d
py = -1 - delta ]\*g/QV
label 3 _s<eqCBV
py = py + delta m
{wMzs Q
rad = px*px + py*py Bd)Qz(>rw
if rad <= 0.9999999 Q4q 3M=0
raytrace hx, hy, px, py #OH# &{H
numrayattempt = numrayattempt+1 ^;Ap-2Ww
if !rayv(n) **************************** c 7P "1
numray = numray + 1 D|6p r C%/
x = rayx(n) 1JJQ(b
y = rayy(n) JdFMSmZ@
if (x < xraymin) then xraymin = x f;
>DM
if (x > xraymax) then xraymax = x #![b9~%WTh
if (y < yraymin) then yraymin = y EC&w9:R
if (y > yraymax) then yraymax = y [2.pZB
xraytot = xraytot + x ~kw[Aw3?D\
yraytot = yraytot + y 'Pr(7^
endif o#H"tYP
endif l9? ] t;
if py < 1.0 then goto 3 9`QWq u[
if px < 1.0 then goto 2 ~vBmW_j
if numray l`fjz-eE
format 14.8 8H3|^J
print " X Centroid = ",xraytot/numray, ZKPnvL70
print " Y Centroid = ",yraytot/numray B k#68p
print " X Middle = ",(xraymax+xraymin)/2, 3($%A GKJ
print " Y Middle = ",(yraymax+yraymin)/2 W}.;]x%1B
format .0 bgL`FW i3
print " ",numray, " out of ", numrayattempt," rays made it through." z(K[ i?&
else h+}`mi
print " No rays made it through!" 69TQH J[
endif k9'%8(7M:
f=f+1 pZ%/;sxYa
if f<= nfld() then goto 1 #&5m=q$EI
print #V*<G#B
print "All field positions done!" C3hnX2";
FORMAT 0.1 v8Bi 1,g
print "Elapsed time ", ETIM(), " seconds." fG2\p&z
