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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············· :)VO,b~r  
    &5puGnTZ  
    macro 正文:········· 52?zBl`|  
    ! centroid.zpl /5A um ?~  
    ! Y,Dd} an  
    ! Written by Kenneth Moore 9/1/92 |U{9Yy6p  
    ! Added TIMER function 4/18/96 `i5U&K. 7  
    ! EdFCaW}""  
    TIMER MCOiB <L6  
    ! 'i5 VU4?K  
    ! The delta controls how many rays will be traced. A XN9s!5A<L)  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. FjRt'  
    ! 0_'(w;!wq:  
    delta = .025 ]v^/c~"${  
    ! p3>(ZWPNV  
    print "This program computes the chief ray coordinates," 0K/Pth"*  
    print "centroid coordinates, and middle coordinates for" oSVo~F  
    print "the primary wave spot at each field position." |dIP &9  
    maxfield = maxf() GL;@heP  
    if maxfield == 0 then maxfield = 1 j>j Zg<}J  
    n = nsur() <Sds5 d  
    f = 1  x{K^u"  
    label 1 5=/&[=  
    hx = fldx(f)/maxfield cs[_TJo  
    hy = fldy(f)/maxfield @1+C*  
    raytrace hx,hy,0,0 :"m~tU3&  
    format 10.4 *u LOoq  
    print #yNSQd  
    print "  X Field    = ", fldx(f), \s_lB~"P!3  
    print "  Y Field    = ", fldy(f) <Jt H/oN  
    print "  X Chief    = ",rayx(n), oCtg{*vp  
    print "  Y Chief    = ",rayy(n) 5mzOr4*0  
    xraymax = -9e9 hxG=g6:G  
    yraymax = -9e9 tW<i;2 l  
    xraymin =  9e9 nc<w DE6  
    yraymin =  9e9 9Z?P/ o  
    xraytot = 0 [3$L}m  
    yraytot = 0 jA'qXc+\  
    numray = 0 b\6 )whh  
    numrayattempt = 0 dA,irb I0W  
    px = -1 - delta #Z;6f{yWf  
    label 2 3k YVk  
    px = px + delta b:%z<vo  
    py = -1 - delta z+@ CzHCN  
    label 3 T,' {0q  
    py = py + delta 2bJqZ,@  
    rad = px*px + py*py +SM&_b  
    if rad <= 0.9999999 M.DU^-7  
            raytrace hx, hy, px, py z-9@K<`H  
            numrayattempt = numrayattempt+1 cZ8lRVaWW  
            if !rayv(n)                                              **************************** 0P MF)';R  
                    numray = numray + 1 j@w+>h  
                    x = rayx(n) rTJ='<hIy  
                    y = rayy(n) |AosZeO_  
                    if (x < xraymin) then xraymin = x 8}B*a;d  
                    if (x > xraymax) then xraymax = x Sn o7Ru2  
                    if (y < yraymin) then yraymin = y 4blw9x N  
                    if (y > yraymax) then yraymax = y `zRE$O  
                    xraytot = xraytot + x UJ\[ ^/t  
                    yraytot = yraytot + y h;q= <[h\  
            endif th!$R  
    endif [Ej#NHs  
    if py < 1.0 then goto 3 `5HFRgL`.  
    if px < 1.0 then goto 2 %1Ex{H hb  
    if numray mbf'xGO  
            format 14.8 L9lNAiOH  
            print "  X Centroid = ",xraytot/numray, |igr3p5Fw  
            print "  Y Centroid = ",yraytot/numray rP5&&Hso  
            print "  X Middle   = ",(xraymax+xraymin)/2, 2s^9q9NS"  
            print "  Y Middle   = ",(yraymax+yraymin)/2 .J/x@  
            format .0 3 s@6pI  
            print "  ",numray, " out of ", numrayattempt," rays made it through." gY\g+df-  
    else S!LLC{  
            print "  No rays made it through!" v?s]up @@h  
    endif bF85T(G  
    f=f+1 gs xT  
    if f<= nfld() then goto 1 I.4o9Z[?  
    print {r.KY  
    print "All field positions done!" +t9$*i9`L  
    FORMAT 0.1 [!g$|   
    print "Elapsed time ", ETIM(), " seconds." &Zzd6[G+  
     
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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 #"T< mM7  
    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 j]X $7  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  NU <K+k  
    A7c*qBt  
    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 A}l+BIt