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············· ~qiSkG
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macro 正文：········· imtW[ y+4
! centroid.zpl B K'!WX
! U RW'*\Xjb
! Written by Kenneth Moore 9/1/92 S`"M;%T
! Added TIMER function 4/18/96 ud`.}H~aB
! q*ZjOqj
TIMER 1px:(8]{
! VB 8t"5
! The delta controls how many rays will be traced. A BcT|TX+c t
! delta of .025 will trace a 80 x 80 grid in the pupil. ) ( &g\
! P$)9osr
delta = .025 2I'\o7Y
! ujcNSX*
print "This program computes the chief ray coordinates," ~} mX#,
print "centroid coordinates, and middle coordinates for" VPf*>ph=
print "the primary wave spot at each field position." ~`M GXd" o
maxfield = maxf() u +zq:2)H6
if maxfield == 0 then maxfield = 1 flLC\
n = nsur() n\ma5"n0=\
f = 1 ?|:!PF*L~z
label 1 XQk9 U
hx = fldx(f)/maxfield C /[2?[
hy = fldy(f)/maxfield ~"5WQK`@
raytrace hx,hy,0,0 `ge{KB;*n#
format 10.4 -{ZTp8 P>
print oj<.axA,
print " X Field = ", fldx(f), Ah &D5,3
print " Y Field = ", fldy(f) 6yF 4%Sz9
print " X Chief = ",rayx(n), 7fl'nCo\"
print " Y Chief = ",rayy(n) @)m+O#a
xraymax = -9e9 fZXJPy;n
yraymax = -9e9 "wxs
xraymin = 9e9 /+J?Ep(_
yraymin = 9e9 lE[LdmwDrb
xraytot = 0 HF5a U:M
yraytot = 0 $+ZO{
(
numray = 0 DnaG$a<
numrayattempt = 0 5in6Y5c kj
px = -1 - delta `a2Oj@jP
label 2 d <qbUk3;
px = px + delta slHlfWHq
py = -1 - delta Eln"RKCt}9
label 3 tGd9Cs9D<
py = py + delta 5D]%E? ag
rad = px*px + py*py mxQS9y
if rad <= 0.9999999 -NZj : N
raytrace hx, hy, px, py $Kb-mFR
numrayattempt = numrayattempt+1 k KL^U
if !rayv(n) **************************** (1(3:)@S6
numray = numray + 1 d+ih]?
x = rayx(n) S53 [Ja
y = rayy(n) uHQJ&
if (x < xraymin) then xraymin = x f<WnPoV
if (x > xraymax) then xraymax = x Z[AJat@H
if (y < yraymin) then yraymin = y Ajq;\- :
if (y > yraymax) then yraymax = y ,vW.vq<{q3
xraytot = xraytot + x f8N
yraytot = yraytot + y r Ed r8qw
endif % o#D"
endif rQ*'2Zf'<
if py < 1.0 then goto 3 v<tH 3I+
if px < 1.0 then goto 2 UY{
Uo@k9x
if numray ?GD{}f33
format 14.8 v>)[NAY9
print " X Centroid = ",xraytot/numray, }.2pR*W
print " Y Centroid = ",yraytot/numray ERGDo=j
print " X Middle = ",(xraymax+xraymin)/2, =t&B8+6
print " Y Middle = ",(yraymax+yraymin)/2 $|6Le;
K
format .0 HC4ad0Gs+{
print " ",numray, " out of ", numrayattempt," rays made it through." cGsxfwD
else xHykU;p@
print " No rays made it through!" 0'BR Sa<
endif \#2,1 W@
f=f+1 WqY:XE+?\
if f<= nfld() then goto 1 yKOf]m>#
print P!B\:B%4~]
print "All field positions done!" +VDl"Hx
FORMAT 0.1 fPK|Nw ]b
print "Elapsed time ", ETIM(), " seconds." f5wOk& G
