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············· _C@A>]GT
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macro 正文：········· ;
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! centroid.zpl d\ I6Wn
! bL`># M_^
! Written by Kenneth Moore 9/1/92 ^jb jH I&
! Added TIMER function 4/18/96 mzRH:HgN?
! )%q!XM
TIMER VTUSM{TC
! B?%e-xV-
! The delta controls how many rays will be traced. A dVMduo
! delta of .025 will trace a 80 x 80 grid in the pupil. 4A`U [r_>D
! `h%K8];<6f
delta = .025 d>gQgQ;g
! CJjT-(a
print "This program computes the chief ray coordinates," BZQ"[-V{
print "centroid coordinates, and middle coordinates for" }y1r
yeW<
print "the primary wave spot at each field position." ~|G`f\Ln"
maxfield = maxf() iNs@8<=$T
if maxfield == 0 then maxfield = 1 B/*\Ih9y
n = nsur() ^
Paf -/
f = 1 2FN E ;y(
label 1 w~C\5 i
hx = fldx(f)/maxfield =pZ$oTR
hy = fldy(f)/maxfield q eDX G
raytrace hx,hy,0,0 tmd{G x}c
format 10.4 Up1 n0
print NQxx_3*4O
print " X Field = ", fldx(f), EfB.K}b^
print " Y Field = ", fldy(f) y@@h )P#
print " X Chief = ",rayx(n), -FF#+Z$
print " Y Chief = ",rayy(n) V%(T#_ E/6
xraymax = -9e9 shD4";8*@
yraymax = -9e9 ce3 ``W/H3
xraymin = 9e9 2:@,~{`#*
yraymin = 9e9 X$Shi
*U[
xraytot = 0 Mp QsM-iW
yraytot = 0 F}.R -j#
numray = 0 'rNLh3
numrayattempt = 0 cQ;@z2\
px = -1 - delta 7z_ZD0PxPc
label 2 6?ky~ CV
px = px + delta
wh#IQ.E-
py = -1 - delta @QM U$]&i]
label 3 l_s#7 .9$
py = py + delta v ^J']p
rad = px*px + py*py #eF,* d
if rad <= 0.9999999 . HN4xL
raytrace hx, hy, px, py D9 Mst6
numrayattempt = numrayattempt+1 s{OV-H
if !rayv(n) **************************** bXvriQ.UH
numray = numray + 1 ay
=B<|!
x = rayx(n) ~|[i64V<^
y = rayy(n) Q,M , ^_
if (x < xraymin) then xraymin = x T_q M@/ f
if (x > xraymax) then xraymax = x GTi=VSGqF
if (y < yraymin) then yraymin = y f9OY> |a9
if (y > yraymax) then yraymax = y xU2i&il^!
xraytot = xraytot + x
!<HF764@`
yraytot = yraytot + y \T[OF8yhW
endif ,k1ns?i9KH
endif DQ } &J
if py < 1.0 then goto 3 \x<,Ma=D
if px < 1.0 then goto 2 ^I9U<iNIL
if numray 37biRXqLH
format 14.8 XTA:Y7"O
print " X Centroid = ",xraytot/numray, p(-EtxP
print " Y Centroid = ",yraytot/numray f*:N* cC
print " X Middle = ",(xraymax+xraymin)/2, L{GlDoFk
print " Y Middle = ",(yraymax+yraymin)/2 !u:Fn)j
format .0 OLWn0
print " ",numray, " out of ", numrayattempt," rays made it through." |'lNR)5
else o^/ fr&,9
print " No rays made it through!" 0}YadNb7
endif Xq_h C"s
f=f+1 A8QUfg@uK~
if f<= nfld() then goto 1 !acuOBv,
print ~Y{]yBGoF
print "All field positions done!" *%\Xw*\0
FORMAT 0.1 %__ @G_M
print "Elapsed time ", ETIM(), " seconds." r oPC
^Q
