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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············· ZDx@^P y  
    Sm-wH^~KA  
    macro 正文:········· ifK%6o6  
    ! centroid.zpl Bfr'Zdw  
    ! j>Ag\@2ME  
    ! Written by Kenneth Moore 9/1/92 w,1Ii}d9  
    ! Added TIMER function 4/18/96 06*rWu9P3  
    ! K93p"nHN  
    TIMER zf[`~g  
    ! BVw Wj-,  
    ! The delta controls how many rays will be traced. A dQb.BOI)h  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. KCuG u}  
    ! cK`"lxO  
    delta = .025 6rN(_Oi-  
    ! {g6Qv-  
    print "This program computes the chief ray coordinates," {/<6v. v  
    print "centroid coordinates, and middle coordinates for" sC"}8+[)S3  
    print "the primary wave spot at each field position." }_ mT l@*  
    maxfield = maxf() <#+44>h  
    if maxfield == 0 then maxfield = 1 {HOy_Fiih  
    n = nsur() x3p ND  
    f = 1 17.x0 gW,  
    label 1 BZv+H=b  
    hx = fldx(f)/maxfield :_kAl? eJ  
    hy = fldy(f)/maxfield N#C1-*[C  
    raytrace hx,hy,0,0 %\$;(#h  
    format 10.4 *&Lq!rFS  
    print BV`-=wRC  
    print "  X Field    = ", fldx(f), x]|+\1  
    print "  Y Field    = ", fldy(f) ]aryV?!6  
    print "  X Chief    = ",rayx(n), sZ<9A Xk-E  
    print "  Y Chief    = ",rayy(n) }MbH3ufC  
    xraymax = -9e9 fV:4#j  
    yraymax = -9e9 *i{Y9f8  
    xraymin =  9e9 \C^;k%{LV  
    yraymin =  9e9 Wu6<\^A  
    xraytot = 0 9@ 16w  
    yraytot = 0 '3IC*o"  
    numray = 0 `qVjwJ!+  
    numrayattempt = 0 fq[;%cr4  
    px = -1 - delta k>jbcSY(z<  
    label 2 \dQx+f&t  
    px = px + delta &k7;DO  
    py = -1 - delta eM7Bc4V  
    label 3 6[E|  
    py = py + delta 9`//^8G:=  
    rad = px*px + py*py 6]zd.W  
    if rad <= 0.9999999 YW@#91.  
            raytrace hx, hy, px, py A5'NGt  
            numrayattempt = numrayattempt+1 r7]zQIE  
            if !rayv(n)                                              **************************** 2`GE  
                    numray = numray + 1 #@@Mxr'F  
                    x = rayx(n) .`<@m]m-  
                    y = rayy(n) &UCsBqIY  
                    if (x < xraymin) then xraymin = x Cv ejb+  
                    if (x > xraymax) then xraymax = x %1 vsN-O}8  
                    if (y < yraymin) then yraymin = y A\_|un%  
                    if (y > yraymax) then yraymax = y vDl- "!G1  
                    xraytot = xraytot + x XdLCbY  
                    yraytot = yraytot + y }]n$ %g (  
            endif @~c6qh  
    endif -<v~snq'  
    if py < 1.0 then goto 3 e!Y0-=?nf#  
    if px < 1.0 then goto 2 jcNT<}k C  
    if numray iy.2A!f^.  
            format 14.8 :c9U>1`g&  
            print "  X Centroid = ",xraytot/numray, 3p2P= T  
            print "  Y Centroid = ",yraytot/numray yme^b ;a  
            print "  X Middle   = ",(xraymax+xraymin)/2, DrnJ;Hi"  
            print "  Y Middle   = ",(yraymax+yraymin)/2 mC?i}+4>4R  
            format .0 N>(g?A; Z+  
            print "  ",numray, " out of ", numrayattempt," rays made it through." ay "'#[  
    else T,xPSN2A*  
            print "  No rays made it through!" kg@>;(V&  
    endif Ev7J+TmXM  
    f=f+1 -C(b,F%%  
    if f<= nfld() then goto 1 M?b6'd9f  
    print Le<w R  
    print "All field positions done!" A;\ 7|'4  
    FORMAT 0.1 t#%R q  
    print "Elapsed time ", ETIM(), " seconds." /kt2c[9  
     
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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 %dQxJMwj  
    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 6M13f@v  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  >3c@x  
    !qX_I db\  
    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 7U"[Gf