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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············· !FL"L 9   
    i wgt\ux.  
    macro 正文:········· 1?Y>Xz  
    ! centroid.zpl lV$JCNe  
    ! -i`jS_-Cv-  
    ! Written by Kenneth Moore 9/1/92 1%+-}yo<  
    ! Added TIMER function 4/18/96 !i;6!w  
    ! ]o<]A[<  
    TIMER /*qRbN  
    ! W#F9Qw  
    ! The delta controls how many rays will be traced. A ?XHQdN3e  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. nqo{]fn  
    ! .yj@hpJM  
    delta = .025 |fgUW.  
    ! =x8[%+  
    print "This program computes the chief ray coordinates," y0d=  
    print "centroid coordinates, and middle coordinates for" L+8ar9es  
    print "the primary wave spot at each field position." >5 -1?vi  
    maxfield = maxf() )q=F_:$  
    if maxfield == 0 then maxfield = 1 lcdhOjz!N  
    n = nsur() y!=,u  
    f = 1 bTum|GWf  
    label 1 ]I\GnDJ^  
    hx = fldx(f)/maxfield Kv| x -_7  
    hy = fldy(f)/maxfield uyWheR  
    raytrace hx,hy,0,0 Z~J]I|R:  
    format 10.4 "N}t =3i$  
    print j}^w :W76  
    print "  X Field    = ", fldx(f), %y RGN  
    print "  Y Field    = ", fldy(f) ?@ oF@AEx=  
    print "  X Chief    = ",rayx(n), X<%D@$  
    print "  Y Chief    = ",rayy(n) zV&l^.  
    xraymax = -9e9 l{[@Ahb}?  
    yraymax = -9e9 \V>5)R n  
    xraymin =  9e9 = QBvU)Ki  
    yraymin =  9e9 OXEEpoU?V  
    xraytot = 0 p3M!H2W  
    yraytot = 0 ;M3%t=KV  
    numray = 0 %zcA|SefP  
    numrayattempt = 0 (.4lsKN<  
    px = -1 - delta (DiduSJ  
    label 2 iww/s  
    px = px + delta ' h7Faj  
    py = -1 - delta RrMEDMhk6  
    label 3 8}0wSVsxV$  
    py = py + delta 7zG r+Px  
    rad = px*px + py*py l!tR<$|  
    if rad <= 0.9999999 17s~mqy  
            raytrace hx, hy, px, py &&&-P\3  
            numrayattempt = numrayattempt+1 +u$l]~St\  
            if !rayv(n)                                              **************************** I){4MoH.  
                    numray = numray + 1 4'O,xC  
                    x = rayx(n) @ZJL]TO  
                    y = rayy(n) `==l 2AX  
                    if (x < xraymin) then xraymin = x cwmS4^zt8  
                    if (x > xraymax) then xraymax = x BP3Ha8/X  
                    if (y < yraymin) then yraymin = y G=:/v  
                    if (y > yraymax) then yraymax = y I\mF dE  
                    xraytot = xraytot + x ~[%CUc"  
                    yraytot = yraytot + y }Fjbj5w0  
            endif %66="1z0@  
    endif *z~,|DQ(A  
    if py < 1.0 then goto 3 0i*V?  
    if px < 1.0 then goto 2 +bznKy!  
    if numray & P-8_I  
            format 14.8 0-Mzb{n5  
            print "  X Centroid = ",xraytot/numray, w/6X9d  
            print "  Y Centroid = ",yraytot/numray Bv<gVt  
            print "  X Middle   = ",(xraymax+xraymin)/2,  L8`v  
            print "  Y Middle   = ",(yraymax+yraymin)/2 DB|1Sqjsn  
            format .0 ~Gfytn9x.;  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Lwl1ta-  
    else ^%7(  
            print "  No rays made it through!" R;OPY?EeW  
    endif ^+>*Y=fl  
    f=f+1 `p()ko  
    if f<= nfld() then goto 1 b? ); D  
    print \bARp z?a  
    print "All field positions done!" @62,.\F  
    FORMAT 0.1 >Z!!`0{  
    print "Elapsed time ", ETIM(), " seconds." #^T`vTD-  
     
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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 nCq'=L,m  
    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 4np2I~ !  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  }`w(sec:3  
    U;bx^2<m  
    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 G+=G c(J