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············· #n+sbx5~7
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macro 正文：········· wj8\eK)]L
! centroid.zpl ]} pAZd
! ( !a\23
! Written by Kenneth Moore 9/1/92 :4)lmIu
! Added TIMER function 4/18/96 A:\_ \B%<
! [ $M l;K
TIMER o\qeX|.70
! }tJMnq/m($
! The delta controls how many rays will be traced. A \==M gy2J8
! delta of .025 will trace a 80 x 80 grid in the pupil. ;\]DZV4?)r
! <9x|)2P
delta = .025 X7SSTcA
! *-'`Ea
print "This program computes the chief ray coordinates," ;L,yJ~
print "centroid coordinates, and middle coordinates for" Ls*Vz,3!5
print "the primary wave spot at each field position." tPDB'S:&3
maxfield = maxf() o3 `0x9{
if maxfield == 0 then maxfield = 1 N@"e^i
n = nsur() PPh1 y;D
f = 1 Ok phbAX
label 1 + B7UGI
hx = fldx(f)/maxfield
dB Hki*.u
hy = fldy(f)/maxfield HS|x
raytrace hx,hy,0,0 V/ZWyYxjLi
format 10.4 9Dyw4'W.N
print
aqwW`\
print " X Field = ", fldx(f), ]@qD4:
print " Y Field = ", fldy(f) oTA'=<W?D
print " X Chief = ",rayx(n), nb@<UbabW}
print " Y Chief = ",rayy(n) P.~sNd oJ
xraymax = -9e9 G~NhBA9
yraymax = -9e9 8g/r8u~
xraymin = 9e9 WX+@<y}%
yraymin = 9e9 {9hhfI#3_
xraytot = 0 pe+m%;nzR
yraytot = 0 +PO& z!F
numray = 0 G+iJS!=
numrayattempt = 0 %Jn5M(myC
px = -1 - delta 'IER9%V$
label 2 `~@}f"c`u
px = px + delta b{ W ,wn
py = -1 - delta $'lJ_ jL
label 3 UL" <V
py = py + delta V{0 V/Nv
rad = px*px + py*py [ HjGdC
if rad <= 0.9999999 )
|hHbD^V
raytrace hx, hy, px, py cr{dl\ Na
numrayattempt = numrayattempt+1 tI2p-d9B
if !rayv(n) **************************** @T-}\AU
numray = numray + 1 VE/~tT;
x = rayx(n) Bc#6mO-
y = rayy(n)
T f^O(
if (x < xraymin) then xraymin = x YGLR%PYv"
if (x > xraymax) then xraymax = x 4 W+ nS v
if (y < yraymin) then yraymin = y y)Lyo'`
if (y > yraymax) then yraymax = y /h@rL J)o>
xraytot = xraytot + x *tT5Zt/&Sr
yraytot = yraytot + y Sq 2yQSd
endif T0}P ' q
endif =`%%*
if py < 1.0 then goto 3 ,@2d4eg 4
if px < 1.0 then goto 2 5xG/>f n
if numray FD}>}f Lv
format 14.8 +z\O"zlj
print " X Centroid = ",xraytot/numray, c>Ljv('bj
print " Y Centroid = ",yraytot/numray SiJX5ydz
print " X Middle = ",(xraymax+xraymin)/2, _d<\@Tkw
print " Y Middle = ",(yraymax+yraymin)/2 Q&9& )8-
format .0 ;"GI~p2~7
print " ",numray, " out of ", numrayattempt," rays made it through." NPR{g!tK%
else * -9b!>5eD
print " No rays made it through!" :Ee5:S
endif #D! 3a%u0
f=f+1 k4nA+k<WI`
if f<= nfld() then goto 1 o r] s
print %n #^#:
print "All field positions done!" 6_a.`ehtj<
FORMAT 0.1 %u|qAF2uS
print "Elapsed time ", ETIM(), " seconds." B6vmBmN
