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············· -ED}
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! centroid.zpl dQT[pNp:
! ?98!2:'{9
! Written by Kenneth Moore 9/1/92 \ Bj{.jL
! Added TIMER function 4/18/96 u<8b5An;
! %}(`?
TIMER i&m_G5u88
! hDi~{rbmc
! The delta controls how many rays will be traced. A /a*){JQ5j
! delta of .025 will trace a 80 x 80 grid in the pupil. ,c"J[$i$
! bN-!&Td
delta = .025 ~ 1;M4K
! "dP-e
print "This program computes the chief ray coordinates," S?CT6moXA
print "centroid coordinates, and middle coordinates for" Iuz_u2"C
print "the primary wave spot at each field position." U',C-56z
maxfield = maxf() `(HvD] l
if maxfield == 0 then maxfield = 1 FzEs1hpl
n = nsur() E"9(CjbQ[
f = 1 0U~$u
label 1 Q>D//_TF
hx = fldx(f)/maxfield I#xdksY
hy = fldy(f)/maxfield !`%j#bv
raytrace hx,hy,0,0 XfE0P(sE
format 10.4 /69yR
print MO$yst?fK
print " X Field = ", fldx(f), q83^?0WD
print " Y Field = ", fldy(f) #I?Z,;DI=
print " X Chief = ",rayx(n),
.mfLH N%:
print " Y Chief = ",rayy(n) 27 XM&ZrZ
xraymax = -9e9 fD@d.8nXd
yraymax = -9e9 3F]Dh^IR9
xraymin = 9e9 8!|vp7/
yraymin = 9e9 IQU1 JVkZ
xraytot = 0 v4hrS\M
yraytot = 0 r'Wf4p^Xd
numray = 0 ke8g tbm
numrayattempt = 0 ( 0/M?YQF
px = -1 - delta kr+p&|.
label 2 Dx1(}D
px = px + delta ~\(c;J*Ir
py = -1 - delta 7YD+zd:
label 3 o)XrC
py = py + delta _|US`,kfc
rad = px*px + py*py
O6NH
if rad <= 0.9999999 5@+?{Cl
raytrace hx, hy, px, py - (WH+
numrayattempt = numrayattempt+1 yVnG+R&
if !rayv(n) **************************** AE>W$x8P
numray = numray + 1 o3`U;@ &u
x = rayx(n) jUM'f24
y = rayy(n) F}{%*EJ
if (x < xraymin) then xraymin = x rmzzbLTu
if (x > xraymax) then xraymax = x `$Rgn3
if (y < yraymin) then yraymin = y lXTE#,XVf
if (y > yraymax) then yraymax = y C0[U}Y/r2
xraytot = xraytot + x 'UhHcMh:
yraytot = yraytot + y QNOdt 2NN
endif .x%w#
endif i*/i"W<
if py < 1.0 then goto 3 1v|-+p42
if px < 1.0 then goto 2 0&sa#g2
if numray *JDz0M4f
format 14.8 ^O*-|ecA
print " X Centroid = ",xraytot/numray, ,B'=$PO%
print " Y Centroid = ",yraytot/numray te(H6c#0
print " X Middle = ",(xraymax+xraymin)/2, FA*$ dwp
print " Y Middle = ",(yraymax+yraymin)/2 `sqr>QD
format .0 %<-OdyM
print " ",numray, " out of ", numrayattempt," rays made it through." [TOo 9W
else NH|I>vyN
print " No rays made it through!" g8uqW1E^
endif x3&gB`j-
f=f+1 3!l>\#q6
if f<= nfld() then goto 1 fY9+m}$S$
print 0\:=KIY.
print "All field positions done!" }qso} WI
FORMAT 0.1 ,5v'hG
print "Elapsed time ", ETIM(), " seconds." y/\b0&