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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············· QT"o"B  
    ~Bt >Y  
    macro 正文:········· d=HD! e  
    ! centroid.zpl fzjtaH?  
    ! =AuxME g  
    ! Written by Kenneth Moore 9/1/92 ?IiFFfs  
    ! Added TIMER function 4/18/96 ZzT"u1,&  
    ! *>lXCx  
    TIMER /E Z -  
    ! `my\59T  
    ! The delta controls how many rays will be traced. A ge{%B~x  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. w (odgD  
    ! kL -f@CD  
    delta = .025 HNX/#?3  
    ! 8(-N;<Ef2  
    print "This program computes the chief ray coordinates," ( d8rfet  
    print "centroid coordinates, and middle coordinates for" wr6(C:  
    print "the primary wave spot at each field position." ]vCs9* |B  
    maxfield = maxf() )Y=ti~?M(  
    if maxfield == 0 then maxfield = 1 +DSZ(Zb4qY  
    n = nsur() 3e;ux6  
    f = 1 (%]M a  
    label 1 VQ2B|v  
    hx = fldx(f)/maxfield j|r$ ! gV  
    hy = fldy(f)/maxfield S"Ag7i  
    raytrace hx,hy,0,0 P[P]oT.N  
    format 10.4 !!v9\R4um  
    print ~/Kqkhq+c  
    print "  X Field    = ", fldx(f), Lyjp  
    print "  Y Field    = ", fldy(f) vPu {xy  
    print "  X Chief    = ",rayx(n), ~=Fp0l)#  
    print "  Y Chief    = ",rayy(n) ].N%A07  
    xraymax = -9e9 #4^D'r>pJ  
    yraymax = -9e9 ^F+7@*u  
    xraymin =  9e9 4m_CPe  
    yraymin =  9e9 @p9YHLxLjQ  
    xraytot = 0 o{MmW~/o&  
    yraytot = 0 KyzdJ^xC"  
    numray = 0 1F[W~@jW  
    numrayattempt = 0 hJoh5DIE95  
    px = -1 - delta w `>g^_xsg  
    label 2 SKSI\]Cc  
    px = px + delta ek0,@Vg9  
    py = -1 - delta N6/;p]|  
    label 3 fSm|anuKZe  
    py = py + delta f_r4*#&v  
    rad = px*px + py*py X}]g;|~SN  
    if rad <= 0.9999999 g;</|Z  
            raytrace hx, hy, px, py &jF[f4:7  
            numrayattempt = numrayattempt+1 ~qb-uT\(99  
            if !rayv(n)                                              **************************** yJHFo[wGMJ  
                    numray = numray + 1 ]Cc8[ZC  
                    x = rayx(n) TZE;$:1vx>  
                    y = rayy(n) !;&{Q^}  
                    if (x < xraymin) then xraymin = x P<R'S  
                    if (x > xraymax) then xraymax = x E"t79dD  
                    if (y < yraymin) then yraymin = y R"{oj]d;$F  
                    if (y > yraymax) then yraymax = y C,dRdEB>  
                    xraytot = xraytot + x /8s>JPXKH[  
                    yraytot = yraytot + y #j6qq3OG  
            endif J]$]zD  
    endif K]Z];C#)  
    if py < 1.0 then goto 3 2~W8tv0^b2  
    if px < 1.0 then goto 2 Nvj KB)J  
    if numray |&0Cuwt  
            format 14.8 2@$`xPg  
            print "  X Centroid = ",xraytot/numray, hXP'NS`iv  
            print "  Y Centroid = ",yraytot/numray p!p:LSk"/b  
            print "  X Middle   = ",(xraymax+xraymin)/2, ~5wT|d  
            print "  Y Middle   = ",(yraymax+yraymin)/2 P&9&/0r=_  
            format .0 =_9grF-  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 6kHb*L Je  
    else @" BkLF  
            print "  No rays made it through!" jR mo9Bb2  
    endif [|oOP$u  
    f=f+1 ~#9(Q  
    if f<= nfld() then goto 1 C_V5.6T!  
    print 4j-%I7  
    print "All field positions done!" (&-!l2  
    FORMAT 0.1 eih~ SBSH  
    print "Elapsed time ", ETIM(), " seconds." tLe"i>  
     
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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 J={IGA  
    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 g6 Nw].{  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  52>,JHq  
    E{B=%ZNnm  
    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 + IpC