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············· 9 8A(jsj
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macro 正文：········· "X5_ -l
! centroid.zpl `8Jq~u6_Z
! $,KP]~?
! Written by Kenneth Moore 9/1/92 SH
vaV[C
! Added TIMER function 4/18/96 om} /f`
! ,!I?)hwOC
TIMER m4" N+_j
! -SvTg{Q{la
! The delta controls how many rays will be traced. A Q sg/ V]
! delta of .025 will trace a 80 x 80 grid in the pupil. H wp{<
! dd<:#c9
delta = .025 |.(CIu~b
! PUP"ky^q"
print "This program computes the chief ray coordinates," KZF0rW
print "centroid coordinates, and middle coordinates for" [0&'cu>
print "the primary wave spot at each field position." %AG1oWWc>.
maxfield = maxf() i*S|qX7``
if maxfield == 0 then maxfield = 1 dI^IK
n = nsur() W|25t)cJ8h
f = 1 X*!Dc,0.k
label 1 <)O >MI'
4
hx = fldx(f)/maxfield bo@,4xw
hy = fldy(f)/maxfield :K~rvv\L7
raytrace hx,hy,0,0 vZ$U ^>":
format 10.4 FxCZRo&
print sno`=+|U]
print " X Field = ", fldx(f), (#!] fF"!x
print " Y Field = ", fldy(f) wjTNO0hj
print " X Chief = ",rayx(n), !K3})& w
print " Y Chief = ",rayy(n) 9 Uha2 o
xraymax = -9e9 jzs.+dAg
yraymax = -9e9 e}42/>}#D
xraymin = 9e9 oW 1"%i%
yraymin = 9e9 we An &h|
xraytot = 0 =)I"wR"v$
yraytot = 0 H8@8MFz\
numray = 0 e-X HN
numrayattempt = 0 }*
QO]_U?
px = -1 - delta I^ ~=,D
label 2 w6T[h Z 9
px = px + delta FR:d ^mL
py = -1 - delta ^rv"o:lF
label 3 } q% jO
py = py + delta -2F@~m|
rad = px*px + py*py qib 7Z]j
if rad <= 0.9999999 'LVn^TB_f&
raytrace hx, hy, px, py c $0_R;4/
numrayattempt = numrayattempt+1 /+V Iw`E
if !rayv(n) **************************** ' .B.V?7
numray = numray + 1 iF!mV5#
x = rayx(n) Q R<`pmB~y
y = rayy(n) q|5Q?t:,r
if (x < xraymin) then xraymin = x v`JF\"}S
if (x > xraymax) then xraymax = x LA -_3UJx
if (y < yraymin) then yraymin = y y
'Ol Q2U
if (y > yraymax) then yraymax = y }N3V5cab
xraytot = xraytot + x v: KX9 A.
yraytot = yraytot + y zJ9v%.e
endif '\`6ot8
endif C+w__gO&r
if py < 1.0 then goto 3 (;a B!(_
if px < 1.0 then goto 2 ?d$"[lKX
if numray | h}B{D
format 14.8 CSL#s^ 4T
print " X Centroid = ",xraytot/numray, 8L%M<JRg~
print " Y Centroid = ",yraytot/numray `)32&\
print " X Middle = ",(xraymax+xraymin)/2, $>*Y hz `
print " Y Middle = ",(yraymax+yraymin)/2 nnNv0 ?>d(
format .0 t<nFy
print " ",numray, " out of ", numrayattempt," rays made it through." #~^btL'dHF
else UVz/n68\k7
print " No rays made it through!" +$47v$p
endif "PMQyzl
f=f+1 fN-Gk(Ic
if f<= nfld() then goto 1 38~PWKt
print n@!wp/J,
print "All field positions done!" MIq"Wy|Zs
FORMAT 0.1 %aU4,j^],o
print "Elapsed time ", ETIM(), " seconds." c'Z: 9?#5
