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············· yp@ cn(:~
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macro 正文：········· S$R=!3* "V
! centroid.zpl RZSEcRlN
! >yqEXx5{
! Written by Kenneth Moore 9/1/92 &hi] [Pt
! Added TIMER function 4/18/96 /k^j'MMQs6
! RU=g|TL
TIMER ) =aq j@v
! N[O_ } _
! The delta controls how many rays will be traced. A <S;YNHLC
! delta of .025 will trace a 80 x 80 grid in the pupil. 3+:NX6Ewb*
! ?Iaqbt%2
delta = .025 `Pwf?_2n-
! =
1d$x:
print "This program computes the chief ray coordinates," 2(e;pM2Dq
print "centroid coordinates, and middle coordinates for" y^kC2DS
print "the primary wave spot at each field position." >qGWDCKr
maxfield = maxf() N "eK9>
if maxfield == 0 then maxfield = 1 F^TOLwix
n = nsur() P>x88M
f = 1 ^r]-v++
label 1 ! }1l8Y
hx = fldx(f)/maxfield Ls.g\Gl3
hy = fldy(f)/maxfield |c-`XC2g
raytrace hx,hy,0,0 CPP9=CoR37
format 10.4 oW( 8bd)
print mt e3k=17
print " X Field = ", fldx(f), 8 -b~p
print " Y Field = ", fldy(f) F%{z E ANm
print " X Chief = ",rayx(n), h Ksx7`[
print " Y Chief = ",rayy(n)
S=~+e{
xraymax = -9e9 o5Knot)Oy
yraymax = -9e9 (.{. "
xraymin = 9e9 #}Ays#wA>?
yraymin = 9e9 a{?>F&vnU
xraytot = 0 6jl{^dI
yraytot = 0 Q-U,1b
numray = 0 3z8zZ1uzU
numrayattempt = 0 F1`mq2^@
px = -1 - delta =ae hhs>
label 2 PM {L}tEQ
px = px + delta ~ r$I&8
py = -1 - delta MU N: }S
label 3 > 4#\ U!
py = py + delta o tP2qAI
rad = px*px + py*py )*o) iN 7l
if rad <= 0.9999999 :4COPUBpPV
raytrace hx, hy, px, py Ja@ ?.gW
numrayattempt = numrayattempt+1 ZQ[ s:
if !rayv(n) **************************** icK U)
numray = numray + 1 rj5)b:c}
x = rayx(n) [Kbna>`
y = rayy(n) Me; Nn$'%
if (x < xraymin) then xraymin = x ab 6D &
if (x > xraymax) then xraymax = x \ }Pr!tk!
if (y < yraymin) then yraymin = y ,l\D@<F
if (y > yraymax) then yraymax = y z_z '3d.r7
xraytot = xraytot + x Z \ -
yraytot = yraytot + y qEjsAL
endif Pp|pH|(n ,
endif (fO~nN{F
if py < 1.0 then goto 3 8}^ym^H|j
if px < 1.0 then goto 2 w Kz*)C
if numray qv/chD`C
format 14.8 r1$x}I#Zv
print " X Centroid = ",xraytot/numray, vF@.B M>
print " Y Centroid = ",yraytot/numray m( WVxVB
print " X Middle = ",(xraymax+xraymin)/2, \<y#$:4r<8
print " Y Middle = ",(yraymax+yraymin)/2 %,) Xi
format .0 .fY$$aD$4
print " ",numray, " out of ", numrayattempt," rays made it through." j7HOh|q
else %E2C4UbY
print " No rays made it through!" 0 61 f
endif K%vGfQ8Er-
f=f+1 ]O+Nl5 *
if f<= nfld() then goto 1 .GPuKP|
print h^b =
print "All field positions done!" s ZU
Ao&
FORMAT 0.1 ;{cl*EN
print "Elapsed time ", ETIM(), " seconds." cuQ=bRIb
