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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············· -H;p +XAY  
    p4-bD_  
    macro 正文:········· h% T$m_  
    ! centroid.zpl 235wl  
    ! V`MV_zA2  
    ! Written by Kenneth Moore 9/1/92 #aV2+`d  
    ! Added TIMER function 4/18/96 a;$'A[hq  
    ! MGzuQrl{H  
    TIMER [$b\#{shtP  
    ! y8.(filNB  
    ! The delta controls how many rays will be traced. A 0Zv<]xO  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. :Sj r  
    ! KoPhPH  
    delta = .025 0^PI&7A?y  
    ! 47c` ) *Hc  
    print "This program computes the chief ray coordinates," rZBOWT  
    print "centroid coordinates, and middle coordinates for" x>yeF,q1  
    print "the primary wave spot at each field position." ]8i2'x  
    maxfield = maxf() {} 11U0  
    if maxfield == 0 then maxfield = 1 i+z;tF`  
    n = nsur() ? <.U,  
    f = 1 Tpv]c  
    label 1 mjd9]HgN  
    hx = fldx(f)/maxfield `RG_FS"v  
    hy = fldy(f)/maxfield 4l~0LdYXKm  
    raytrace hx,hy,0,0 >{dj6Wo  
    format 10.4 gZs UX^%  
    print faVR %  
    print "  X Field    = ", fldx(f), 2-3|0<`  
    print "  Y Field    = ", fldy(f) L8FLHT+R-  
    print "  X Chief    = ",rayx(n), Gv};mkX[N  
    print "  Y Chief    = ",rayy(n) ){.J`X5r  
    xraymax = -9e9 Y C uuj$  
    yraymax = -9e9 Tmo+I4qoL  
    xraymin =  9e9 !1H\*VM "  
    yraymin =  9e9 qOKC2WD  
    xraytot = 0 @YEdN}es  
    yraytot = 0 _/)?GXwLn  
    numray = 0 j aj."v  
    numrayattempt = 0 8\~IwtSk  
    px = -1 - delta [We(0wF[`  
    label 2 ;b""N,  
    px = px + delta =m4_8)-8u  
    py = -1 - delta ;rj=hc  
    label 3 ?'_Q^O>  
    py = py + delta Zh WtY  
    rad = px*px + py*py ]g/% w3G  
    if rad <= 0.9999999 "/)}Cc,L  
            raytrace hx, hy, px, py C(-bh]J  
            numrayattempt = numrayattempt+1 q >9F21W  
            if !rayv(n)                                              **************************** xpf\S10e  
                    numray = numray + 1 J!@$lyH  
                    x = rayx(n) nx(O]R,Sw  
                    y = rayy(n) uxq!kF'Ls  
                    if (x < xraymin) then xraymin = x wNuS'P_(:T  
                    if (x > xraymax) then xraymax = x !Z7 ~R sdm  
                    if (y < yraymin) then yraymin = y a/.O, &3  
                    if (y > yraymax) then yraymax = y ms8PFu(f  
                    xraytot = xraytot + x NC 0H5  
                    yraytot = yraytot + y 8u::f`vi  
            endif (YjY=F  
    endif z/7H/~d  
    if py < 1.0 then goto 3 iaR^]|7_  
    if px < 1.0 then goto 2  _"ysJ&  
    if numray k!]Tg"]JAh  
            format 14.8 {)eV) 2a  
            print "  X Centroid = ",xraytot/numray, 2'"$Y'  
            print "  Y Centroid = ",yraytot/numray Ah_'.r1<P9  
            print "  X Middle   = ",(xraymax+xraymin)/2, >9f-zv(n  
            print "  Y Middle   = ",(yraymax+yraymin)/2 'iN8JO>  
            format .0 ~>@Dn40  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 0;Y_@UVj  
    else OC'cP[$ _  
            print "  No rays made it through!" @|&P#wd.u  
    endif FU0&EO  
    f=f+1 p&F=<<C  
    if f<= nfld() then goto 1 q_8qowu"  
    print _Y*: l7  
    print "All field positions done!" GA6)O-^G  
    FORMAT 0.1 AM}-dKei|  
    print "Elapsed time ", ETIM(), " seconds." r4O*0Q_  
     
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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 L[+65ce%*  
    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 ]t7<$L   
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  QS_" fsyN:  
    <J{VTk ~  
    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 !4]w b!F