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············· tUH?N/qn
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macro 正文：········· &X:;B'
! centroid.zpl L<=Dl
! |
U0 s1f
! Written by Kenneth Moore 9/1/92 Szt2 "AR
! Added TIMER function 4/18/96 rtAPkXJFM
! (
y !o
TIMER Zfk]Z9YO
! z0LspRaz
! The delta controls how many rays will be traced. A G 3U[)("
! delta of .025 will trace a 80 x 80 grid in the pupil. \;MP|:{pU
! dz+!yE\f$
delta = .025 PY_ 8*~Z
! g|uyQhsg
print "This program computes the chief ray coordinates," mhrF9&s
print "centroid coordinates, and middle coordinates for" B /uaRi%
print "the primary wave spot at each field position." BhDg\oxZ
maxfield = maxf() &G_#=t&
if maxfield == 0 then maxfield = 1 A{;"e^a-^l
n = nsur() .g}N @
f = 1 M7?ktK9`ma
label 1 cd kEK
hx = fldx(f)/maxfield yq|yGf(4&
hy = fldy(f)/maxfield BAXu\a-C_
raytrace hx,hy,0,0 C~4SP CU
format 10.4 N{bg-%s10i
print
t* Ct*
print " X Field = ", fldx(f), :z P:4 N W
print " Y Field = ", fldy(f) (" :Dz_
print " X Chief = ",rayx(n), >ymn&_zlT
print " Y Chief = ",rayy(n) ) ??N]V_U
xraymax = -9e9 v\dQjQu8 m
yraymax = -9e9 .*YF{!R`h
xraymin = 9e9 7~+Fec`Ut*
yraymin = 9e9 ?&9=f\/P
xraytot = 0 > ye.rRZd`
yraytot = 0 h[qZM
numray = 0 ?=4oxPe
numrayattempt = 0 F% a&|X
px = -1 - delta G dUsv
label 2 qdZ ^D
px = px + delta }v}F8}4
py = -1 - delta ZqrS]i@$
label 3 Mj1f;$
py = py + delta s"#N;
rad = px*px + py*py ^_3Ey
if rad <= 0.9999999 ?XdvZf $
raytrace hx, hy, px, py `},:dDHI
numrayattempt = numrayattempt+1 {1Cnrjw
if !rayv(n) ****************************
*~
I HVU
numray = numray + 1 Dk s n
x = rayx(n) UfPB-EFl$D
y = rayy(n) )t+pwh!8
if (x < xraymin) then xraymin = x 8D`+3
if (x > xraymax) then xraymax = x Wjq 9f;
if (y < yraymin) then yraymin = y J \|~k2~
if (y > yraymax) then yraymax = y p5E
okh
xraytot = xraytot + x
Hy :x.'i
yraytot = yraytot + y _Jg#T~
endif lz>00B<Z
endif f=V`Nn<=A
if py < 1.0 then goto 3 ~l:Cj*6x8
if px < 1.0 then goto 2 U/{t " e
if numray 1lIs
jBo g
format 14.8 yNfj-wM
print " X Centroid = ",xraytot/numray, ): hz /vZ
print " Y Centroid = ",yraytot/numray Z?xaXFm_
print " X Middle = ",(xraymax+xraymin)/2, ]t!v`TH
print " Y Middle = ",(yraymax+yraymin)/2 >WZ%P v *
format .0 0vLx={i
print " ",numray, " out of ", numrayattempt," rays made it through." ^_v94!a 9
else {J1rjrPo
print " No rays made it through!" 9\?&u_ U"
endif
,d/$!Yf
f=f+1 ?;](;n#lU
if f<= nfld() then goto 1 T_2' =7
print <<S4l~" o
print "All field positions done!" )G /=3;!
FORMAT 0.1 S+KK Gi_e
print "Elapsed time ", ETIM(), " seconds." OQ2G2>p
