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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············· u:fiil$  
    2Xgn[oI{  
    macro 正文:········· q!}&<w~|  
    ! centroid.zpl "jb?P$  
    ! 0I079fqk<  
    ! Written by Kenneth Moore 9/1/92 W0l|E&fj[  
    ! Added TIMER function 4/18/96 1<pbO:r  
    ! HOXqIZN85  
    TIMER Ujb|| (W  
    ! Ks9"U^bPs  
    ! The delta controls how many rays will be traced. A b\H~Ot[i  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. Mx[tE?!2  
    ! /q(+r5k \  
    delta = .025 Rl<~:,D  
    ! ~h0SD(  
    print "This program computes the chief ray coordinates," ~M,nCG^4  
    print "centroid coordinates, and middle coordinates for" Qz[~{-<  
    print "the primary wave spot at each field position." JF!!)6!2#  
    maxfield = maxf() ${mHbqN  
    if maxfield == 0 then maxfield = 1 Rnun() plJ  
    n = nsur() Ij/c@#q.  
    f = 1 "l2_7ZXsPT  
    label 1 _^dWJ0  
    hx = fldx(f)/maxfield ,SS@]9A &  
    hy = fldy(f)/maxfield =DvnfT<  
    raytrace hx,hy,0,0 e-\J!E'1F  
    format 10.4 980[]&(  
    print 2"JIlS;J}7  
    print "  X Field    = ", fldx(f), M HlP)'  
    print "  Y Field    = ", fldy(f) lbTz  
    print "  X Chief    = ",rayx(n), !dSY?1>U<  
    print "  Y Chief    = ",rayy(n) A]ciox$AjW  
    xraymax = -9e9 ]D%D:>9|/  
    yraymax = -9e9 Pgs4/  
    xraymin =  9e9 t9W_ [_a9  
    yraymin =  9e9 Dy0cA| E  
    xraytot = 0 qvhTc6oH  
    yraytot = 0 7@|(z:uw  
    numray = 0 o+q4Vg9&  
    numrayattempt = 0 vQYd!DSh  
    px = -1 - delta d),@&MSN  
    label 2 h`?0=:Tru  
    px = px + delta 03AYW)"}M  
    py = -1 - delta xlv:+  
    label 3 \d%&_rp  
    py = py + delta Vad(PS0  
    rad = px*px + py*py Y Q3%vH5#y  
    if rad <= 0.9999999 Y#3m|b45n  
            raytrace hx, hy, px, py ); 7csh%  
            numrayattempt = numrayattempt+1 l,-smK69  
            if !rayv(n)                                              **************************** l*xA5ObV  
                    numray = numray + 1 JKGUg3\~  
                    x = rayx(n) *cq#>rN  
                    y = rayy(n) sm4@ywd>  
                    if (x < xraymin) then xraymin = x Ui'~d(F  
                    if (x > xraymax) then xraymax = x <`~] P$  
                    if (y < yraymin) then yraymin = y c;B Q$je}  
                    if (y > yraymax) then yraymax = y Nr6YQH*[  
                    xraytot = xraytot + x y @h^  
                    yraytot = yraytot + y WcbJ4Ore  
            endif U~!97,|ic  
    endif j?3J-}XC  
    if py < 1.0 then goto 3 N@Bqe{r6j  
    if px < 1.0 then goto 2 mWta B>f  
    if numray 5/>G)&  
            format 14.8 $1#|<|  
            print "  X Centroid = ",xraytot/numray, M\>y&'J-  
            print "  Y Centroid = ",yraytot/numray VBBqoyP h  
            print "  X Middle   = ",(xraymax+xraymin)/2, Ed.~9*m  
            print "  Y Middle   = ",(yraymax+yraymin)/2  2gb49y~  
            format .0 3eFD[c%mN  
            print "  ",numray, " out of ", numrayattempt," rays made it through." N y7VIh|  
    else IeZ}`$[H  
            print "  No rays made it through!" ;{j:5+'  
    endif Kx ?}%@b  
    f=f+1 DTAEfs!ZW  
    if f<= nfld() then goto 1 Xj?j1R>GB  
    print ,dK%[  
    print "All field positions done!" GDZe6*  
    FORMAT 0.1 Bn}@wO  
    print "Elapsed time ", ETIM(), " seconds." jFbz:aUF  
     
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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 }eULcgRG  
    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 gdNEMT  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  "N D1$l  
    bt-y6,> +E  
    Kimclps兄果然学识过人,受教了·····
    离线kimclps
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    只看该作者 3楼 发表于: 2013-01-29
    不敢當,互相切磋。
    离线junel
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    只看该作者 4楼 发表于: 2014-06-21
    受教了 r@%-S!$