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    只看楼主 倒序阅读 楼主  发表于: 2013-01-19
           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············· 2/4x]i H*  
    -xgmc-LGo  
    macro 正文:········· AG\ 852`1m  
    ! centroid.zpl -&D6w9w  
    ! St&HE:  
    ! Written by Kenneth Moore 9/1/92 ~(L+4]  
    ! Added TIMER function 4/18/96 %c/"A8{eb  
    ! y* Q-4_%,  
    TIMER 9.#R?YP$  
    ! >37}JUG  
    ! The delta controls how many rays will be traced. A (0m$W<  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. zYF&Dv/u/  
    ! |=}~>!!  
    delta = .025 UMW^0>Z!v  
    ! !,!tNs1 K  
    print "This program computes the chief ray coordinates," il%tu<E#J~  
    print "centroid coordinates, and middle coordinates for" n >PM_W  
    print "the primary wave spot at each field position." %vYlu%c<  
    maxfield = maxf() +9rbQ? '  
    if maxfield == 0 then maxfield = 1 HFWm}vA:  
    n = nsur() KBHKcFk  
    f = 1 f_2^PF>?  
    label 1 /_\W*@ E  
    hx = fldx(f)/maxfield kGiw?~t=%  
    hy = fldy(f)/maxfield pcTXTy 28  
    raytrace hx,hy,0,0 }gRLW2&mR>  
    format 10.4 \1'R}B@;  
    print V*uu:  
    print "  X Field    = ", fldx(f), g@f/OsR76  
    print "  Y Field    = ", fldy(f) K2`WcEe  
    print "  X Chief    = ",rayx(n), :!15>ML;-  
    print "  Y Chief    = ",rayy(n) %)ov,p |  
    xraymax = -9e9 -+@~*$ d  
    yraymax = -9e9 ~0GX~{;r  
    xraymin =  9e9 M|=$~@9#X  
    yraymin =  9e9 Pm;*Jv%  
    xraytot = 0 Dohe(\C@  
    yraytot = 0 ]JuB6o_L  
    numray = 0 ~6i mkv^ F  
    numrayattempt = 0 7gmMqz"z(>  
    px = -1 - delta h,?Yw+#o"  
    label 2 H4A+Dg,  
    px = px + delta K :ptfD  
    py = -1 - delta >.~k?_Of  
    label 3 xi=uXxl  
    py = py + delta D|3QLG  
    rad = px*px + py*py |sM#g1D@  
    if rad <= 0.9999999 GhA~PjZS  
            raytrace hx, hy, px, py Vzm7xl [  
            numrayattempt = numrayattempt+1 2DdLqZY#  
            if !rayv(n)                                              **************************** 9gayu<J  
                    numray = numray + 1 tzJtd  
                    x = rayx(n) 8k'em/M~  
                    y = rayy(n) qqre d>K  
                    if (x < xraymin) then xraymin = x 98nLj9  
                    if (x > xraymax) then xraymax = x Q 5TyS8  
                    if (y < yraymin) then yraymin = y Mn;CG'FA  
                    if (y > yraymax) then yraymax = y _Fy:3,(  
                    xraytot = xraytot + x 9 NSYrIQ"  
                    yraytot = yraytot + y }gaKO 5  
            endif ~36XJ  
    endif uRhH_c-6C  
    if py < 1.0 then goto 3 Ll48)P{+}V  
    if px < 1.0 then goto 2 me\)JCZpb{  
    if numray I@v.Hqg+7  
            format 14.8 1&E&8In]$r  
            print "  X Centroid = ",xraytot/numray, 8#-}3~l[  
            print "  Y Centroid = ",yraytot/numray MRu+:Y=K  
            print "  X Middle   = ",(xraymax+xraymin)/2, D)6||z}  
            print "  Y Middle   = ",(yraymax+yraymin)/2 NO1]JpR  
            format .0 aKcV39brr  
            print "  ",numray, " out of ", numrayattempt," rays made it through." T5G+^XDA  
    else Py<vN!  
            print "  No rays made it through!" e{S`iO  
    endif "+Rm4_  
    f=f+1 Z6pDQ^Ii  
    if f<= nfld() then goto 1 K 2v)"|T)  
    print Ut@)<N  
    print "All field positions done!" v9kzMxs,  
    FORMAT 0.1 w` :KexD+  
    print "Elapsed time ", ETIM(), " seconds." ^r$5];n  
     
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    离线kimclps
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    只看该作者 1楼 发表于: 2013-01-24
    centroid的chief ray定義為通過光束中心(而非stop中心)的光線,其位置會受漸暈 #xB%v  
    的影響,因此須知道漸暈才能算出chief ray位置。
    离线moth
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    只看该作者 2楼 发表于: 2013-01-27
    回 kimclps 的帖子
    kimclps:centroid的chief ray定義為通過光束中心(而非stop中心)的光線,其位置會受漸暈 5P4 >xv[  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  |bh:x{h  
    \wd~ Y  
    Kimclps兄果然学识过人,受教了·····
    离线kimclps
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    只看该作者 3楼 发表于: 2013-01-29
    不敢當,互相切磋。
    离线junel
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    只看该作者 4楼 发表于: 2014-06-21
    受教了 B:l(`G