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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`:c+KDG`  
    )y:M8((%  
    macro 正文:········· *eD[[HbKX  
    ! centroid.zpl r]}6iF.  
    ! \+Qd=,!i(  
    ! Written by Kenneth Moore 9/1/92 gCYe ^KJ  
    ! Added TIMER function 4/18/96 VxOWv8}|  
    ! Qu/f>tJN;  
    TIMER #N`MzmwS  
    ! @) MG&X  
    ! The delta controls how many rays will be traced. A M-;Mw Lx  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 0gOca +&  
    ! \N0wf-qa=  
    delta = .025 _UP 9b@Z"  
    ! Z;u3G4XlF  
    print "This program computes the chief ray coordinates," .|DrXJ \c  
    print "centroid coordinates, and middle coordinates for" Q<szH1-  
    print "the primary wave spot at each field position." WJ8osWdLu  
    maxfield = maxf() 3y$6}Kp4?  
    if maxfield == 0 then maxfield = 1 -1$z=,q'  
    n = nsur() ?FS0zc!+  
    f = 1 (VkO[5j  
    label 1 H #X*OJ  
    hx = fldx(f)/maxfield {]|<|vc;GI  
    hy = fldy(f)/maxfield a` 9pHH:7Q  
    raytrace hx,hy,0,0 AW_YlS  
    format 10.4 19% "F!^i  
    print "tO m  
    print "  X Field    = ", fldx(f), D'moy*E  
    print "  Y Field    = ", fldy(f) Uv?^qe0=  
    print "  X Chief    = ",rayx(n), n}9<7e~/  
    print "  Y Chief    = ",rayy(n) sm?b,T/  
    xraymax = -9e9 55`p~:&VQ  
    yraymax = -9e9 ON{a'H  
    xraymin =  9e9 g;q.vHvsc"  
    yraymin =  9e9 4a!%eBhX"K  
    xraytot = 0 ,QA=)~;D  
    yraytot = 0 $\k)Y(&  
    numray = 0 W}7Uh b  
    numrayattempt = 0 ETX>wZ  
    px = -1 - delta O\oRM2^u}  
    label 2 $zhvI*0  
    px = px + delta y_Gs_xg  
    py = -1 - delta 8.%wnH  
    label 3 Pec40g:#F  
    py = py + delta )_Hv9!U]e  
    rad = px*px + py*py $6ucz'  
    if rad <= 0.9999999 vN]_/T+  
            raytrace hx, hy, px, py 0%|)=T3Slu  
            numrayattempt = numrayattempt+1 UH7?JF-D  
            if !rayv(n)                                              **************************** @yQ1F> t  
                    numray = numray + 1 &eO.h%@  
                    x = rayx(n) j)nE!GKD(  
                    y = rayy(n) ,T ^A?t  
                    if (x < xraymin) then xraymin = x HsRoiqo  
                    if (x > xraymax) then xraymax = x aWvC-vZk  
                    if (y < yraymin) then yraymin = y @^# 9N!Fj]  
                    if (y > yraymax) then yraymax = y VWYNq^<AT  
                    xraytot = xraytot + x a>6M{C@pd  
                    yraytot = yraytot + y TR `C|TV>  
            endif QYj 4D  
    endif ;$]a.9 -  
    if py < 1.0 then goto 3 ]A+t@/k  
    if px < 1.0 then goto 2 lA6{TH.x  
    if numray vy7?]}MvV  
            format 14.8 Xrc{w Dn  
            print "  X Centroid = ",xraytot/numray, bz,"TG[  
            print "  Y Centroid = ",yraytot/numray < uV@/fn<  
            print "  X Middle   = ",(xraymax+xraymin)/2, :YLYCVi|  
            print "  Y Middle   = ",(yraymax+yraymin)/2 *.A-UoHa  
            format .0 cdI"=B+C\  
            print "  ",numray, " out of ", numrayattempt," rays made it through." "*c&[ALw  
    else 7bVKH[  
            print "  No rays made it through!" 1} _<qk9  
    endif y+7+({w<  
    f=f+1 ]|IeE!6  
    if f<= nfld() then goto 1 fI.X5c>WK  
    print %rl<%%T#.M  
    print "All field positions done!" l Ny<E!0  
    FORMAT 0.1 `USze0"t0:  
    print "Elapsed time ", ETIM(), " seconds." n"~K",~P  
     
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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 _jVJkg)]  
    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 +C4NhA2  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  Wk/Il^YG  
    t\ 9Y)d  
    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 ,,V uvn