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············· = lb5 #
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macro 正文：········· rS|nO_9 f
! centroid.zpl %]"eN{Uvn
! lGhhH _
! Written by Kenneth Moore 9/1/92 T<ka4
! Added TIMER function 4/18/96 E'g?44vyw
! _keI0ML-#
TIMER O3/w@q Q
! } uFV\1
! The delta controls how many rays will be traced. A 'QOV! D
! delta of .025 will trace a 80 x 80 grid in the pupil. q 1Sr#h|
! +,q#'wSQG
delta = .025 9z'(4U
! r"4&.&6
print "This program computes the chief ray coordinates," NG+%H1!$_
print "centroid coordinates, and middle coordinates for" yg WwUpY
print "the primary wave spot at each field position." K^m`3N"
maxfield = maxf() ]39 ])ul
if maxfield == 0 then maxfield = 1 /ka "YU
n = nsur() z( dDX%k@
f = 1 <lN=< 9
label 1 k*u4 N
hx = fldx(f)/maxfield f^]^IXzXw.
hy = fldy(f)/maxfield w+][L||4c
raytrace hx,hy,0,0 M`D`-vv
format 10.4 TQL_K8k@_
print ?QRoSQ6
print " X Field = ", fldx(f), b O9PpOk+z
print " Y Field = ", fldy(f) {36QZV *P
print " X Chief = ",rayx(n), Dzr(Fb
print " Y Chief = ",rayy(n) Bk ; />gD
xraymax = -9e9 os[i
yraymax = -9e9 6^QSV@N|
xraymin = 9e9 gR 76g4|=;
yraymin = 9e9 SYYg
2I
xraytot = 0 &B OG&ot
yraytot = 0 0f;`Zj0l8
numray = 0 GhC%32F
numrayattempt = 0 4<btWbk5u*
px = -1 - delta rCsH
0:l8P
label 2 lPA:ho/`:
px = px + delta zbZN- j#
py = -1 - delta j&l2 n2z
label 3 }>yQ!3/i
py = py + delta v$~ZT_"(9
rad = px*px + py*py T]l Vwj
if rad <= 0.9999999 l<UJ@XID$
raytrace hx, hy, px, py _zG[ b/:p
numrayattempt = numrayattempt+1 se S) `@n
if !rayv(n) **************************** F3 =iyiz6
numray = numray + 1 xlm:erP
x = rayx(n) BDcA_= ^R&
y = rayy(n) =SK{|fBB
if (x < xraymin) then xraymin = x ;@/vKA3l.
if (x > xraymax) then xraymax = x D8=a + !l-
if (y < yraymin) then yraymin = y 8C4v
if (y > yraymax) then yraymax = y zuYz"-(L
xraytot = xraytot + x X+'B*K$
yraytot = yraytot + y WV,j
<x9w
endif 7b
hJt_`Q
endif F2C v,&'
if py < 1.0 then goto 3 5@`DS-7h
if px < 1.0 then goto 2 ^cI 0 d,3=
if numray 8]A`WDO3
format 14.8 o F=UjA
print " X Centroid = ",xraytot/numray, vx4Jk]h+=L
print " Y Centroid = ",yraytot/numray 9RnXp& w
print " X Middle = ",(xraymax+xraymin)/2, Ir$:e*E>
print " Y Middle = ",(yraymax+yraymin)/2 . * c%A^>
format .0 `t Zw(Z= h
print " ",numray, " out of ", numrayattempt," rays made it through." tRmH6
else gB}UzEj^<
print " No rays made it through!" * S\/l-D
endif t_{rKb,
f=f+1 #]e](j>]
if f<= nfld() then goto 1 0|OmQ\SQ
print >o8N@`@VK-
print "All field positions done!" c@)}zcw*
FORMAT 0.1 3PRK.vf
print "Elapsed time ", ETIM(), " seconds." )NCSO b
