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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············· (M,*R v  
    AO0aOX8_+D  
    macro 正文:········· zA&]#mc  
    ! centroid.zpl ](^BQc  
    ! aP +)  
    ! Written by Kenneth Moore 9/1/92 uh~,>~a|  
    ! Added TIMER function 4/18/96 %<'PSri  
    ! NSQf@o  
    TIMER MJ`BlE,Fmb  
    ! 1.q a//'RW  
    ! The delta controls how many rays will be traced. A ~H`(zzk  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. I#](mRJ6  
    ! +q)B4A'J!  
    delta = .025 _,E! <  
    ! yA-UXKT  
    print "This program computes the chief ray coordinates," M\bea  
    print "centroid coordinates, and middle coordinates for" #jX%nqMxW  
    print "the primary wave spot at each field position." 7f q\ H{  
    maxfield = maxf() tfq; KR  
    if maxfield == 0 then maxfield = 1 "\x\P)j0>  
    n = nsur() ZbLN:g}  
    f = 1 "?Xb$V7  
    label 1 x-ZCaa}O  
    hx = fldx(f)/maxfield M9dUo7  
    hy = fldy(f)/maxfield 9y5nG  
    raytrace hx,hy,0,0 vhu5w#]u*  
    format 10.4 Ke,$3Yx  
    print GbbD)  
    print "  X Field    = ", fldx(f), UNd+MHE74I  
    print "  Y Field    = ", fldy(f) /*) =o+  
    print "  X Chief    = ",rayx(n), \J3n[6;  
    print "  Y Chief    = ",rayy(n) D*o[a#2_  
    xraymax = -9e9 )w!*6<  
    yraymax = -9e9 zu|=1C#5h  
    xraymin =  9e9 ~:lN("9OI  
    yraymin =  9e9 BX6]d:S  
    xraytot = 0 "ku ?A^f  
    yraytot = 0 P*sb@y>}O  
    numray = 0 IBe0?F #  
    numrayattempt = 0 tD !$!\`O  
    px = -1 - delta V/i7Zh#2:  
    label 2 b0"R |d[i  
    px = px + delta rJ}k!}G  
    py = -1 - delta 4?9cyv4H  
    label 3 :p,DAt}  
    py = py + delta 5qx$=6PT  
    rad = px*px + py*py 5Rec~&v  
    if rad <= 0.9999999 b py576GwA  
            raytrace hx, hy, px, py E0Jk=cq  
            numrayattempt = numrayattempt+1 2zN%Z!a#J  
            if !rayv(n)                                              **************************** >J No2  
                    numray = numray + 1 !^<%RT9@|  
                    x = rayx(n) - d(RK_  
                    y = rayy(n) dTW3mF4=  
                    if (x < xraymin) then xraymin = x CNF3".a  
                    if (x > xraymax) then xraymax = x 4w-P%-4  
                    if (y < yraymin) then yraymin = y nXnO]wXC  
                    if (y > yraymax) then yraymax = y 13 e @  
                    xraytot = xraytot + x 5(sWV:_2  
                    yraytot = yraytot + y iH""dtO  
            endif dY%>C75O  
    endif Me e+bp  
    if py < 1.0 then goto 3 .kkrU  
    if px < 1.0 then goto 2 x nm!$ $W  
    if numray {]CO;5:  
            format 14.8 b];? tP  
            print "  X Centroid = ",xraytot/numray, t)/:VImY  
            print "  Y Centroid = ",yraytot/numray woCFkO;'O  
            print "  X Middle   = ",(xraymax+xraymin)/2, 8h| 9;%  
            print "  Y Middle   = ",(yraymax+yraymin)/2 =/jCDY  
            format .0 )dgo oq  
            print "  ",numray, " out of ", numrayattempt," rays made it through." UjI -<|  
    else B&oP0 jS  
            print "  No rays made it through!" &;O)Dw  
    endif I>L@ P`d  
    f=f+1 ,>Lj>g{~  
    if f<= nfld() then goto 1 4BgrG[l)  
    print ZhpbbS  
    print "All field positions done!" 7v^V]&&s  
    FORMAT 0.1 }yW*vy6`  
    print "Elapsed time ", ETIM(), " seconds." YZH &KGY  
     
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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 -Ob89Z?2A  
    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 |G5Me  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  KKz{a{ePY%  
    XkWO-L  
    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 7j&iHL