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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············· A+Un(tU2(  
    GZ5DI+3  
    macro 正文:········· {pXX%>  
    ! centroid.zpl Zd)LVc[  
    ! WUYU\J&q3  
    ! Written by Kenneth Moore 9/1/92 AWFq5YMSI  
    ! Added TIMER function 4/18/96  \v:Z;EbX  
    ! DI-&P3iGx  
    TIMER n|.eL8lX.<  
    ! ^Hf?["m^@  
    ! The delta controls how many rays will be traced. A `:ZaT('h  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. EN ^L.q9#  
    ! o6x8j z  
    delta = .025 FN26f*/  
    ! Zl# ';~9W  
    print "This program computes the chief ray coordinates," `|nJAW3  
    print "centroid coordinates, and middle coordinates for" 2sqH > fen  
    print "the primary wave spot at each field position." G a$2o6  
    maxfield = maxf() b:O_PS5h  
    if maxfield == 0 then maxfield = 1 0"\js:-$  
    n = nsur() &-IkM%_A9  
    f = 1 b H5lLcdf  
    label 1 Y*jkUQ  
    hx = fldx(f)/maxfield OS(Ua  
    hy = fldy(f)/maxfield +sZY0(|K8  
    raytrace hx,hy,0,0 /55 3v;l<  
    format 10.4 >;M STHeW  
    print AKLFUk  
    print "  X Field    = ", fldx(f), !*qQ 7  
    print "  Y Field    = ", fldy(f) /viBJ`-O  
    print "  X Chief    = ",rayx(n), Xa'b @*o&  
    print "  Y Chief    = ",rayy(n) um". Z4S  
    xraymax = -9e9 ^=-W8aVi>  
    yraymax = -9e9 ~}D"8[ABj  
    xraymin =  9e9 A)SnPbI-p  
    yraymin =  9e9 oO &%&;[/A  
    xraytot = 0 './qBJ  
    yraytot = 0 Z_jV0[\v0P  
    numray = 0 9,>c;7s X  
    numrayattempt = 0 }*P;kV  
    px = -1 - delta s<C66z  
    label 2 6h[fk.W_  
    px = px + delta F&+_z&n)  
    py = -1 - delta dqt}:^L*0g  
    label 3 zLS?: yq  
    py = py + delta h!Fh@%  
    rad = px*px + py*py TuwSJS7  
    if rad <= 0.9999999 <&1hJ)O  
            raytrace hx, hy, px, py l@<Jp *|  
            numrayattempt = numrayattempt+1 ,/p .!+  
            if !rayv(n)                                              **************************** d$MewDW UN  
                    numray = numray + 1 M}" KAa  
                    x = rayx(n) Q^lgtb  
                    y = rayy(n) DQN"85AIZ  
                    if (x < xraymin) then xraymin = x (H|^Ow5  
                    if (x > xraymax) then xraymax = x n5#9o},oK  
                    if (y < yraymin) then yraymin = y wD pL9q  
                    if (y > yraymax) then yraymax = y #@M'*X_%}K  
                    xraytot = xraytot + x SV1;[  
                    yraytot = yraytot + y EF6"PH+J@  
            endif !1+!;R@&H>  
    endif 1[Jv9S*f/  
    if py < 1.0 then goto 3 ~05(92bK  
    if px < 1.0 then goto 2 }"^d<dvuz  
    if numray mL s>RR#b  
            format 14.8 1[?xf4EMG  
            print "  X Centroid = ",xraytot/numray, f1Gyl  
            print "  Y Centroid = ",yraytot/numray f5CnJhE|)  
            print "  X Middle   = ",(xraymax+xraymin)/2, p!LaR.8]  
            print "  Y Middle   = ",(yraymax+yraymin)/2 VpM(}QHd  
            format .0 3)dtl!VMW[  
            print "  ",numray, " out of ", numrayattempt," rays made it through." +227SPLd  
    else &nn+X%m9g  
            print "  No rays made it through!" [k,FJ5X  
    endif =:^f6"p&Z  
    f=f+1 hQJ-  ~  
    if f<= nfld() then goto 1 d[e;Fj!  
    print ?trqe/  
    print "All field positions done!" VSc)0eyn  
    FORMAT 0.1 JZrZDW>M  
    print "Elapsed time ", ETIM(), " seconds." .|J-(J<>[.  
     
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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 X7fJ+C n  
    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 ~kAen  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  {Deg1V!x>  
    %4rPkPAtrp  
    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 qs]7S^yw