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············· b`DPlQHj
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macro 正文：········· + ~,q "6
! centroid.zpl }"%mP 4]&
! gF2 93Ez
! Written by Kenneth Moore 9/1/92 Y=<zR9f`
! Added TIMER function 4/18/96 z
3Z8vq
! opzlh@R
3
TIMER ^ AZv4H*~
! K 9nW"0>
! The delta controls how many rays will be traced. A H B.:/ 5\
! delta of .025 will trace a 80 x 80 grid in the pupil. ^)| tf\4
! LUpkO
delta = .025 &H}Xk!q5b^
! U!BZs Vx
print "This program computes the chief ray coordinates," Q MX
print "centroid coordinates, and middle coordinates for" Klu0m~X@
print "the primary wave spot at each field position." 30s A\TZ
maxfield = maxf() Wi g TNg4
if maxfield == 0 then maxfield = 1 :zO;E+s
n = nsur() \]S)PDqR
f = 1 }~0}B[Rf
label 1 o{ hZjn-
hx = fldx(f)/maxfield vYo~36
hy = fldy(f)/maxfield 8 QI+ O`
raytrace hx,hy,0,0 W%9~'pXgB
format 10.4 ,#0#1k<Dm
print [3tU0BU"
print " X Field = ", fldx(f), zpNt[F?~1
print " Y Field = ", fldy(f) 5;XU6Rz!
print " X Chief = ",rayx(n), c7tO'`q$e
print " Y Chief = ",rayy(n) $0~1;@`rQ6
xraymax = -9e9 N>sHT
=_
yraymax = -9e9 \t&8J+%
xraymin = 9e9 KO[T&#y'
yraymin = 9e9 o##!S6:A
xraytot = 0 B~O<?@]d
yraytot = 0 8`I,KkWg
numray = 0 3YUF\L]yyw
numrayattempt = 0 b`;&o^7gMO
px = -1 - delta Dv^M/z2&[
label 2 6]HM hv
px = px + delta -&%!
4(Je
py = -1 - delta ]4lC/ &nm
label 3 K&-u W _0
py = py + delta O[|X=ZwR:l
rad = px*px + py*py Udjn.D
if rad <= 0.9999999 ^ZBTd5t#
raytrace hx, hy, px, py "b)E H/ s
numrayattempt = numrayattempt+1 RH$YM
`cZ
if !rayv(n) **************************** Q5 o0!w
numray = numray + 1 Tg=P*HY6
x = rayx(n) .^ba*qb`{
y = rayy(n) fP\*5|7%R
if (x < xraymin) then xraymin = x W}R zn
if (x > xraymax) then xraymax = x (H]NL
if (y < yraymin) then yraymin = y .`&k `
if (y > yraymax) then yraymax = y @FRas00)|
xraytot = xraytot + x >LVGNicQ
yraytot = yraytot + y diKl}V#u
endif /f=31<+MtF
endif $KoGh_h
if py < 1.0 then goto 3 g/w <T+v
if px < 1.0 then goto 2 I &%
Z *H
if numray , $cpm =1
format 14.8 D'UIxc 8
print " X Centroid = ",xraytot/numray, +7y#c20
print " Y Centroid = ",yraytot/numray L /N%ft]!T
print " X Middle = ",(xraymax+xraymin)/2, y (%y'xBP
print " Y Middle = ",(yraymax+yraymin)/2 &}#zG5eu
format .0 v*OT[l7
print " ",numray, " out of ", numrayattempt," rays made it through." +Je%8jH
else < 7*9b
print " No rays made it through!" *c (YlfeZ#
endif $?;)uoAg
f=f+1 A5s;<d0
if f<= nfld() then goto 1 a3Xd~Q s
print 7oCY@>(f
print "All field positions done!" q{L-(!uz7_
FORMAT 0.1 ;):E 8;B)
print "Elapsed time ", ETIM(), " seconds." /%b nG(4
