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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············· D}=i tu  
    O&1p2!Bk4  
    macro 正文:········· l@2`f#y1~<  
    ! centroid.zpl yOm6HA``hT  
    ! /]UNN~(  
    ! Written by Kenneth Moore 9/1/92 X>YOo~yS5  
    ! Added TIMER function 4/18/96 +Gs;3jC^  
    ! J~ rC  
    TIMER #k]0[;1os  
    ! YmF(o  
    ! The delta controls how many rays will be traced. A S`PSFetC  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 8TM=AV  
    ! MjosA R  
    delta = .025 R1rfp;   
    ! R3 =E?us!  
    print "This program computes the chief ray coordinates," @MVZy  
    print "centroid coordinates, and middle coordinates for" $B N+SD!  
    print "the primary wave spot at each field position." `o-<,  
    maxfield = maxf() !,WRXE&j  
    if maxfield == 0 then maxfield = 1 8i~'~/x  
    n = nsur() U-:Z ^+Y  
    f = 1 ^E,Uc K;  
    label 1 zm.sX~j  
    hx = fldx(f)/maxfield :D7!6}%  
    hy = fldy(f)/maxfield KV(W|~+rM  
    raytrace hx,hy,0,0 u8\QhUk'G  
    format 10.4 nmAXU!t'  
    print ,l"2MXD  
    print "  X Field    = ", fldx(f), BNUf0;  
    print "  Y Field    = ", fldy(f) ~H."{  
    print "  X Chief    = ",rayx(n), *)sz]g|d  
    print "  Y Chief    = ",rayy(n) %5w)}|fw  
    xraymax = -9e9 )W#g@V)>  
    yraymax = -9e9 LxGh *7K-  
    xraymin =  9e9  Ue Tp,  
    yraymin =  9e9 Y& %0 eI!  
    xraytot = 0 6<O]_HZ&  
    yraytot = 0 vK/Z9wR*05  
    numray = 0 TUCp mj  
    numrayattempt = 0 *38\&"s4_  
    px = -1 - delta X~b+LG/  
    label 2 :O=Vr]Y8K  
    px = px + delta 'KrkC A  
    py = -1 - delta k}7)pJNj  
    label 3 Wx`IEPsVbk  
    py = py + delta M#,+p8  
    rad = px*px + py*py {[#  
    if rad <= 0.9999999 !y0 O['7  
            raytrace hx, hy, px, py !I$RE?7eY  
            numrayattempt = numrayattempt+1 Ee| y[y,  
            if !rayv(n)                                              **************************** SpQ6A]M gm  
                    numray = numray + 1 =v;@w$#  
                    x = rayx(n) $9$NX/P  
                    y = rayy(n) S}yb~uc,  
                    if (x < xraymin) then xraymin = x W{2y*yqY  
                    if (x > xraymax) then xraymax = x ZmF32 Ir  
                    if (y < yraymin) then yraymin = y cE?J]5#^  
                    if (y > yraymax) then yraymax = y *GnO&&m'B  
                    xraytot = xraytot + x qN(; l&Q  
                    yraytot = yraytot + y U{m:{'np(H  
            endif 6FAP *V;  
    endif 1EB`6_>y  
    if py < 1.0 then goto 3 bBL"F!.  
    if px < 1.0 then goto 2 R'U(]&e.j  
    if numray )Qp?LECrt  
            format 14.8 ru Lcu]  
            print "  X Centroid = ",xraytot/numray, ^|z>NV5>  
            print "  Y Centroid = ",yraytot/numray <#Dc(VhT  
            print "  X Middle   = ",(xraymax+xraymin)/2, /qr8  
            print "  Y Middle   = ",(yraymax+yraymin)/2 7 |A,GH  
            format .0 uLht;-`{n  
            print "  ",numray, " out of ", numrayattempt," rays made it through." |M&/( 0  
    else 7?4>'  
            print "  No rays made it through!" Je'$V%{E  
    endif RK,~mXA  
    f=f+1 @'QBrE  
    if f<= nfld() then goto 1 mEGMe@37  
    print iR9iI!+;N  
    print "All field positions done!" -(jcsqDk  
    FORMAT 0.1 E4{8 $:q=  
    print "Elapsed time ", ETIM(), " seconds." z K&`&("4C  
     
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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 M*x_1h5n  
    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 rNdap*.  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  rqifjsv  
    Wa ,  #  
    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 NJwcb=*