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············· x"=f+Mr
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macro 正文：········· X/!o\yyT
! centroid.zpl F#Ryu~,"
! 8I?Wt
W
! Written by Kenneth Moore 9/1/92 6r0kr bN
! Added TIMER function 4/18/96 K(rWNO
! 6dt] `zv/
TIMER HYZ5EV
! CS5?Ti6
! The delta controls how many rays will be traced. A ".V$~n(
! delta of .025 will trace a 80 x 80 grid in the pupil. (O?.)jEW(.
! z&)A,ryW0
delta = .025 ;(/ZO%h
! Jb@V}Ul$
print "This program computes the chief ray coordinates," X*XZb F"=
print "centroid coordinates, and middle coordinates for" ]L $\
#
print "the primary wave spot at each field position." |Nn)m
maxfield = maxf() dJoaCf`w
if maxfield == 0 then maxfield = 1 t;Sb/ 3
n = nsur() 0B/,/KX
f = 1 ^7 U
G$A
label 1 m|n%$$S&
hx = fldx(f)/maxfield L|:`^M+^w
hy = fldy(f)/maxfield 2DtM20<>
raytrace hx,hy,0,0 u#$]?($}d
format 10.4 W=><)miQ@
print ay
;S4c/_
print " X Field = ", fldx(f), gMmaK0uhS
print " Y Field = ", fldy(f) ?
7n`A >T
print " X Chief = ",rayx(n), SI-q C
print " Y Chief = ",rayy(n) 5h-SCB>P
xraymax = -9e9 rC% *$g $
yraymax = -9e9 C. yQ=\U2
xraymin = 9e9 z uad~%D<I
yraymin = 9e9 NZLxHD]m p
xraytot = 0 f!uw zHA`?
yraytot = 0 Q800y??&J
numray = 0 `l
^9/_g'6
numrayattempt = 0 R6K m\N
px = -1 - delta x(6SG+Kr
label 2 <I\/n<*
px = px + delta kR-SE5`Jk
py = -1 - delta hHGoP0/o
label 3 <4si/=
py = py + delta fI}to&qk
rad = px*px + py*py 36 Zf^cFJ
if rad <= 0.9999999 ^e _hLX\SW
raytrace hx, hy, px, py feDlH[ $
numrayattempt = numrayattempt+1 (Aao Ca [
if !rayv(n) **************************** FEz-+X<q2
numray = numray + 1 ZF9z~9
x = rayx(n) t;}|tgC
y = rayy(n) 8B
K(4?gC
if (x < xraymin) then xraymin = x xQ-<WF1i
if (x > xraymax) then xraymax = x | `2RShu
if (y < yraymin) then yraymin = y ?} tFN_X"
if (y > yraymax) then yraymax = y '4+
ur`
xraytot = xraytot + x ooj,/IEQ
yraytot = yraytot + y x_N'TjS^{
endif )9{0] u;9
endif 2^[ `e g
if py < 1.0 then goto 3 Eex~xiiV
if px < 1.0 then goto 2
NI76 U
if numray |^"1{7)
format 14.8 [I,Z2G,Jb
print " X Centroid = ",xraytot/numray, ;>EM[u
print " Y Centroid = ",yraytot/numray "Y
=;.:qe
print " X Middle = ",(xraymax+xraymin)/2, wo;~7K
print " Y Middle = ",(yraymax+yraymin)/2 NdA[C|_8}f
format .0 s^G.]%iU
print " ",numray, " out of ", numrayattempt," rays made it through." =vCY?I$P
else 'j8:vq^d
print " No rays made it through!" w7.V6S$Ga
endif C\Wmq
[
f=f+1 {0Yf]FQb-a
if f<= nfld() then goto 1 p J!
mw\:
print !21FR*
print "All field positions done!" vA F
"n
FORMAT 0.1 B[Ku\A6&
print "Elapsed time ", ETIM(), " seconds." / |;RV"
