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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············· *ip2|2G$  
    _T6l*D  
    macro 正文:········· 6/ir("LK  
    ! centroid.zpl TAbd[:2{F  
    ! 9(>]6|XS  
    ! Written by Kenneth Moore 9/1/92 {_0m0 8  
    ! Added TIMER function 4/18/96 ^nu~q+:+#  
    ! i1]*5;q  
    TIMER jm1f,=R  
    ! (0jT#&#  
    ! The delta controls how many rays will be traced. A Fp>iwdjFg  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. `mTpL^f  
    ! Q}GsCmt=)O  
    delta = .025 fZK&h.  
    ! }D_h*9  
    print "This program computes the chief ray coordinates," 413,O~^  
    print "centroid coordinates, and middle coordinates for" PtySPDClj  
    print "the primary wave spot at each field position." ~Zbr7zVn  
    maxfield = maxf() {&,9Zy]"S  
    if maxfield == 0 then maxfield = 1 USLG G}R  
    n = nsur() q:4 51C  
    f = 1 5z8CUDt 0  
    label 1 S '>(4a  
    hx = fldx(f)/maxfield 8?ldD  
    hy = fldy(f)/maxfield tbHU(#~  
    raytrace hx,hy,0,0 2GNtO!B.  
    format 10.4 !+tz<9BBY  
    print vzl+0"  
    print "  X Field    = ", fldx(f), %n-:mSus  
    print "  Y Field    = ", fldy(f) s`W\`w}  
    print "  X Chief    = ",rayx(n), $\kqh$")  
    print "  Y Chief    = ",rayy(n) U4]>8L  
    xraymax = -9e9 KE3/sw0  
    yraymax = -9e9 5$o]D  
    xraymin =  9e9 QAYhAOS|e  
    yraymin =  9e9 {3@lvoDT  
    xraytot = 0 4.)hCb  
    yraytot = 0 d;` bX+K  
    numray = 0 ?bwF$Ku  
    numrayattempt = 0 qL kna  
    px = -1 - delta Fm(~Vt;%u  
    label 2 .v<c_~y  
    px = px + delta Kbjt  CI7  
    py = -1 - delta <}S1ZEZcQ  
    label 3 J(+I`  
    py = py + delta jE!<]   
    rad = px*px + py*py c e`3&  
    if rad <= 0.9999999 ^:g8mt  
            raytrace hx, hy, px, py FSZQ2*n5  
            numrayattempt = numrayattempt+1 |:_WdU"Q]  
            if !rayv(n)                                              **************************** MxMrLiqU6l  
                    numray = numray + 1 jj^{^,z\  
                    x = rayx(n) \a]JH\T)Q  
                    y = rayy(n) Q+(}nz4  
                    if (x < xraymin) then xraymin = x jQjtO"\JG  
                    if (x > xraymax) then xraymax = x N yT|=`;  
                    if (y < yraymin) then yraymin = y ?3bUE\p  
                    if (y > yraymax) then yraymax = y 6x%uWZa'  
                    xraytot = xraytot + x K)5'Jp@  
                    yraytot = yraytot + y C'x?riJ/  
            endif 7kmU/(8  
    endif [ iE%P^  
    if py < 1.0 then goto 3 a1]@&D r  
    if px < 1.0 then goto 2 ld58R  
    if numray =C{)i@ +  
            format 14.8 8 1;QF_C  
            print "  X Centroid = ",xraytot/numray, g3~e#vdz  
            print "  Y Centroid = ",yraytot/numray 9Z}Y2:l'  
            print "  X Middle   = ",(xraymax+xraymin)/2, 4qq+7B  
            print "  Y Middle   = ",(yraymax+yraymin)/2 FG.MV-G  
            format .0 fY3^L"R  
            print "  ",numray, " out of ", numrayattempt," rays made it through." VfAC&3 %M  
    else J@RhbsZn  
            print "  No rays made it through!" P_11N9C  
    endif .nCF`5T!  
    f=f+1 s5 ? 1w   
    if f<= nfld() then goto 1 PLDg'4DMg  
    print j:'sbU  
    print "All field positions done!" g.yr) LHt0  
    FORMAT 0.1 emp*j@9  
    print "Elapsed time ", ETIM(), " seconds." @, v'V!  
     
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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 ?+-uF }  
    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 \0gU)tVZ  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  u-v/`F2wN  
    )fPN6x/e  
    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 \0)v5u