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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············· ;`{PA !>  
    lU}y%J@  
    macro 正文:········· m,u5S=3A{!  
    ! centroid.zpl \h#,qTE  
    ! /F(wb_!  
    ! Written by Kenneth Moore 9/1/92 #TXN\YNP  
    ! Added TIMER function 4/18/96 (F<VcB  
    ! #JOWiO0>  
    TIMER sp2"c"_+  
    ! :nt 7jm,  
    ! The delta controls how many rays will be traced. A _>6xU t  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. {Xc^-A[~  
    ! B5nzkJV<X  
    delta = .025 %y{f] m  
    ! BotGPk><c  
    print "This program computes the chief ray coordinates,"  *b$8O  
    print "centroid coordinates, and middle coordinates for"  /z0X  
    print "the primary wave spot at each field position." H(JgqbFB*  
    maxfield = maxf() zE~{}\J  
    if maxfield == 0 then maxfield = 1 &EELq"5K  
    n = nsur() t7t?xk!2  
    f = 1 WRq:xDRn0  
    label 1 THQd`Lj  
    hx = fldx(f)/maxfield )YKnFSm  
    hy = fldy(f)/maxfield :75$e%'A  
    raytrace hx,hy,0,0 TpHvZ]c  
    format 10.4 HP$GI  
    print ')bas#=uP  
    print "  X Field    = ", fldx(f), "&_$%#HUv  
    print "  Y Field    = ", fldy(f) 6;O fh   
    print "  X Chief    = ",rayx(n), O!,WH?r  
    print "  Y Chief    = ",rayy(n) 61XLL/=P  
    xraymax = -9e9 *FINNNARB  
    yraymax = -9e9 /8)-j}gZa  
    xraymin =  9e9 #[Z1W8e  
    yraymin =  9e9 vM.Y/,7S  
    xraytot = 0 ke+3J\;>  
    yraytot = 0 S\,~6]^T  
    numray = 0 U #u=9%'  
    numrayattempt = 0 :c*_W /  
    px = -1 - delta P0Q]Ds|  
    label 2 ,n}h_ct  
    px = px + delta (O&R-5m  
    py = -1 - delta 4TP AD)C  
    label 3 rx$B(z(c  
    py = py + delta B7*^rbI:X  
    rad = px*px + py*py 5i<E AKL  
    if rad <= 0.9999999 ![>j`i  
            raytrace hx, hy, px, py fP:n=A{  
            numrayattempt = numrayattempt+1 3:S>MFRn.3  
            if !rayv(n)                                              **************************** 2"'<Yk9  
                    numray = numray + 1 9AA_e ~y  
                    x = rayx(n) w_>SxSS7  
                    y = rayy(n) ZFJ qI  
                    if (x < xraymin) then xraymin = x Pl>BTo>p'  
                    if (x > xraymax) then xraymax = x DCv=*=6w  
                    if (y < yraymin) then yraymin = y c2tf7fkH  
                    if (y > yraymax) then yraymax = y 9{A[n}  
                    xraytot = xraytot + x U= Gw(  
                    yraytot = yraytot + y \8KAK3i'  
            endif ]]EOCGZ"  
    endif hxXl0egI  
    if py < 1.0 then goto 3 2b[R^O}   
    if px < 1.0 then goto 2 8Hdm(>  
    if numray vFz#A/1  
            format 14.8 &e-MOM2&  
            print "  X Centroid = ",xraytot/numray, dr54 D  
            print "  Y Centroid = ",yraytot/numray e hgUp =  
            print "  X Middle   = ",(xraymax+xraymin)/2, mh4<.6>5  
            print "  Y Middle   = ",(yraymax+yraymin)/2 [myIcLp^aP  
            format .0 ]1^F  
            print "  ",numray, " out of ", numrayattempt," rays made it through." &ody[k?'  
    else "8NhrUX  
            print "  No rays made it through!" snH9@!cG8  
    endif LE'8R~4.<  
    f=f+1 $GMva}@G`  
    if f<= nfld() then goto 1 `veq/!  
    print si!jB%^  
    print "All field positions done!" f3p)Q<H>`(  
    FORMAT 0.1 2i4&*& A  
    print "Elapsed time ", ETIM(), " seconds." S5,y!K]C~  
     
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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 ;ATn&  
    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 &UV=<Az {  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  fN-y8  
    (e~vrSk+)~  
    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 |#rP~Nj)