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············· BOqu$f+
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macro 正文：········· B'sgCU
! centroid.zpl 2L?jp:$;X
! 4I&e_b< 30
! Written by Kenneth Moore 9/1/92 YK Cd:^u
! Added TIMER function 4/18/96 |KH9 81
! 0i%r+_E_
TIMER Js{X33^Ju
! N`o[iHUj \
! The delta controls how many rays will be traced. A p@`]9tLP(K
! delta of .025 will trace a 80 x 80 grid in the pupil. M `m-@z
! C G!7BP\
delta = .025 z'' ITX)oG
! : <Z>?x
print "This program computes the chief ray coordinates," mQ~0cwo)
print "centroid coordinates, and middle coordinates for" 04npY+1
8%
print "the primary wave spot at each field position." (tY 0 /s
maxfield = maxf() E u;f~ V
if maxfield == 0 then maxfield = 1 b#
v+_7
n = nsur() |/!3 N
f = 1 acG4u+[ ]
label 1 CSu}_$wC#
hx = fldx(f)/maxfield Xo, }S\wcn
hy = fldy(f)/maxfield pGO=3 =O
raytrace hx,hy,0,0
:oN$w\A
format 10.4 5}v<?<l9\
print Xu[(hT6
print " X Field = ", fldx(f), XXwe/>J
print " Y Field = ", fldy(f) o'#ow(X
print " X Chief = ",rayx(n), CN(}0/
print " Y Chief = ",rayy(n) Uxll<z ,
xraymax = -9e9 ^ "
yraymax = -9e9 j2dptM3t{
xraymin = 9e9 ^*-6PV# Z
yraymin = 9e9 Ad%3 fvn
xraytot = 0 m@A ?'gD
yraytot = 0 PP 1?UT=]
numray = 0 3$TU2-x;g
numrayattempt = 0 D=>[~u3H
px = -1 - delta " bhF`,V
label 2 C*C;n4 AT
px = px + delta N?Nu '
py = -1 - delta [>MPM$9F-m
label 3 ()\=(n!J
py = py + delta !Au@\/}
rad = px*px + py*py d[( }
if rad <= 0.9999999 r9\ 7I7z
raytrace hx, hy, px, py L9"yQD^R7?
numrayattempt = numrayattempt+1 -% ,3qhsd
if !rayv(n) **************************** XCAy _fL<B
numray = numray + 1 vGST{Lz;
x = rayx(n) Q"(*SA+-|
y = rayy(n) X`s6lV% \
if (x < xraymin) then xraymin = x d~hN`ff
if (x > xraymax) then xraymax = x B )v|A
if (y < yraymin) then yraymin = y 9$~a&lXO5
if (y > yraymax) then yraymax = y P # PRzt
xraytot = xraytot + x /%F}vW (!
yraytot = yraytot + y g##yR/L
endif x 8_ nLZ
endif *mVQN1
if py < 1.0 then goto 3 2d60o~ E
if px < 1.0 then goto 2 Sy0-tK 4
if numray aS
$ J `
format 14.8 pPD }>q
print " X Centroid = ",xraytot/numray, (\zxiK
print " Y Centroid = ",yraytot/numray
EjF2mkA*
print " X Middle = ",(xraymax+xraymin)/2, C"
2K U*
print " Y Middle = ",(yraymax+yraymin)/2 6eB2mcV
format .0 r`OC5IoQ
print " ",numray, " out of ", numrayattempt," rays made it through." FpYeuH%
else x)0''}E~
print " No rays made it through!" -(Fhj Ir
endif N~)RR {$w
f=f+1 *U}cj A:ZN
if f<= nfld() then goto 1 . l>.
print &e%eIz
print "All field positions done!" t3VZjO
FORMAT 0.1
25H=RTw
print "Elapsed time ", ETIM(), " seconds." zu! #
