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············· dVLrA`'P*
jc:=Pe!E
macro 正文：········· =$#5Ge]b
! centroid.zpl zD8$DG8
! N,9~J"z
! Written by Kenneth Moore 9/1/92 _M7|:*
! Added TIMER function 4/18/96 0;`FS /[(f
! M{)eA< 6
TIMER ircL/:
! IR2Qc6+{
! The delta controls how many rays will be traced. A d?YSVmG
! delta of .025 will trace a 80 x 80 grid in the pupil. ^e]O
>CJ
! Moi RAO
delta = .025 Bmt8yR2
! ?@MY +r_G
print "This program computes the chief ray coordinates," X[w]aJnAr
print "centroid coordinates, and middle coordinates for" "#8^":,4
print "the primary wave spot at each field position." 8?<J,zu@AV
maxfield = maxf() jc>B^mq x
if maxfield == 0 then maxfield = 1 l&W :t9o
n = nsur() XD!}uDZ^
f = 1 :D 2GLq *\
label 1 J z&dC
hx = fldx(f)/maxfield FoYs <aER
hy = fldy(f)/maxfield $'!n4}$}
raytrace hx,hy,0,0 ~tW<]l7
format 10.4 9"B ;o
print I-J %yutB
print " X Field = ", fldx(f), &DtI+ )[|
print " Y Field = ", fldy(f) _E-{*,7bZS
print " X Chief = ",rayx(n), gLo&~|=L-
print " Y Chief = ",rayy(n) "<&o ;x<
xraymax = -9e9 r}|)oG,=
yraymax = -9e9 W S9:*YH
xraymin = 9e9 Q>w)b]d~c
yraymin = 9e9 p ~+sk1[.
xraytot = 0 Ft :_6T%
yraytot = 0 dKchQsgCg
numray = 0 ~<W a $~oY
numrayattempt = 0 @\-*aS_8>
px = -1 - delta drwxrZt
label 2 -biw{
px = px + delta ` -W4/7
py = -1 - delta :G^4/A _
label 3 0}k vuuR
py = py + delta <X1[j9Qtv0
rad = px*px + py*py oc-o>H
if rad <= 0.9999999 K6~')9 Q
raytrace hx, hy, px, py Xpkj44cd@
numrayattempt = numrayattempt+1 mkBQ TQGT
if !rayv(n) **************************** ~7 \`qH
numray = numray + 1 lY[1P |]
x = rayx(n) &s\,+d0
y = rayy(n) t[ b(erO'
if (x < xraymin) then xraymin = x rX`fjS*C
if (x > xraymax) then xraymax = x ^ :O*Sx.CA
if (y < yraymin) then yraymin = y J04R,B
if (y > yraymax) then yraymax = y #fyY37 -
xraytot = xraytot + x 3] U /^f3
yraytot = yraytot + y GapH^trm
endif QYB LU7
endif 7d_"4 ;K)
if py < 1.0 then goto 3 3VQmo\li
if px < 1.0 then goto 2 4 T/ ~erc
if numray R3BK\kf&
format 14.8 D9r ;Ys%
print " X Centroid = ",xraytot/numray, r9-)+R
J
print " Y Centroid = ",yraytot/numray diw5h};W
print " X Middle = ",(xraymax+xraymin)/2, xk aed
print " Y Middle = ",(yraymax+yraymin)/2 qNkX:|j
format .0 L{ c\7
print " ",numray, " out of ", numrayattempt," rays made it through." P[ Vf$ q<
else _xP@kN~
print " No rays made it through!" MF::At[4
endif 1< M~ #
f=f+1 ;/^O7KM -
if f<= nfld() then goto 1 + k
print V F"c}
print "All field positions done!" 2
t]=-@
FORMAT 0.1 ljh,%#95=
print "Elapsed time ", ETIM(), " seconds." -]Oi/i, {
