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············· ` JZ `j7f
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macro 正文：········· <fm<UO,%
! centroid.zpl 9l&4mt;+&<
! 1(`UzC =R|
! Written by Kenneth Moore 9/1/92 Oe_*(q&
! Added TIMER function 4/18/96 XPf heV G
! JO =kfWW
TIMER tX g>R _\C
! d# >iFD+
! The delta controls how many rays will be traced. A Q^@z]Sc[
! delta of .025 will trace a 80 x 80 grid in the pupil. \-n bV#{
! p
O O4fc
delta = .025 6^#@y|.
! <ZXK}5SZ#
print "This program computes the chief ray coordinates," =hq+9 R8=
print "centroid coordinates, and middle coordinates for" _!:*&{
print "the primary wave spot at each field position." L
>HyBB
maxfield = maxf() 7@u:F?c
if maxfield == 0 then maxfield = 1 lG/h[
n = nsur() 4RDdfY\%u
f = 1
.% {4B,d$
label 1 (d ?sFwOt\
hx = fldx(f)/maxfield CS\T@)@t
hy = fldy(f)/maxfield Y| 2Gj(*8
raytrace hx,hy,0,0 #
M18&ld,r
format 10.4 Ef"M e(
print 56l1&hp8In
print " X Field = ", fldx(f), gBPYGci2F
print " Y Field = ", fldy(f) o4Hp|iK&0
print " X Chief = ",rayx(n), Sft+G b6
print " Y Chief = ",rayy(n) G5hh$Nmpi
xraymax = -9e9 fKkH
[
yraymax = -9e9 qf?X:9Wt
xraymin = 9e9 3?Tk[m1b
yraymin = 9e9 ?_BK(kL_
xraytot = 0 d>k"#|
yraytot = 0 tO8<N'TD
numray = 0 WcZck{ehd
numrayattempt = 0 VqBb=1r%o7
px = -1 - delta >u/ T` $
label 2 N79 9@:.
px = px + delta
M_ii
py = -1 - delta 0hoi=W6AQ
label 3 $9Pscu bM4
py = py + delta J<27w3bs~p
rad = px*px + py*py jFPD SR5
if rad <= 0.9999999 j" ~gEGfK
raytrace hx, hy, px, py m0 [JiwPI
numrayattempt = numrayattempt+1 d"~-D;
if !rayv(n) **************************** o3kVcX^
numray = numray + 1 *-lw2M9V
x = rayx(n) :}{,u6\
y = rayy(n) uYy&< _r
if (x < xraymin) then xraymin = x @/ G$
C9<
if (x > xraymax) then xraymax = x us$=) m~v+
if (y < yraymin) then yraymin = y ( sN;B)
if (y > yraymax) then yraymax = y {wy#HYhv
xraytot = xraytot + x /^^wH W:
yraytot = yraytot + y i-E/#zni
endif r?:xD(}Q
endif Unc_e
if py < 1.0 then goto 3 w\(; >e@
if px < 1.0 then goto 2 S*9qpes-m|
if numray Kjfpq!NYE
format 14.8 [ )KLmL%
print " X Centroid = ",xraytot/numray, #24 eogo~
print " Y Centroid = ",yraytot/numray
YIZ+BVa
print " X Middle = ",(xraymax+xraymin)/2, C[IY9s:Pf
print " Y Middle = ",(yraymax+yraymin)/2 ]aqg{XdGt
format .0 f>kW\uC
print " ",numray, " out of ", numrayattempt," rays made it through." ^!yJ;'H\
else G }ccf%
print " No rays made it through!" Y>i5ubR~
endif wN^$8m5\T^
f=f+1 {- Y.C*E
if f<= nfld() then goto 1 m l\2%07
print f'Cx %
print "All field positions done!" dSq3V#Q
FORMAT 0.1 aZBb@~Y
print "Elapsed time ", ETIM(), " seconds." X J{b_h#N
