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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············· BOqu$f+  
    v',%   
    macro 正文:········· B'sgCU  
    ! centroid.zpl 2L?jp:$;X  
    ! 4I&e_b< 30  
    ! Written by Kenneth Moore 9/1/92 YK Cd:^u  
    ! Added TIMER function 4/18/96 |KH981  
    ! 0i%r+_E_  
    TIMER Js{X33^Ju  
    ! N`o[iHUj \  
    ! The delta controls how many rays will be traced. A p@`]9tLP(K  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. M`m-@z  
    ! CG!7BP\  
    delta = .025 z''ITX)oG  
    ! :<Z>?x  
    print "This program computes the chief ray coordinates," mQ~0cwo)  
    print "centroid coordinates, and middle coordinates for" 04npY+1 8%  
    print "the primary wave spot at each field position." (tY0/s  
    maxfield = maxf() Eu;f~ V  
    if maxfield == 0 then maxfield = 1 b# v+_7  
    n = nsur() |/!3N  
    f = 1 acG4u+[ ]  
    label 1 CSu}_$wC#  
    hx = fldx(f)/maxfield Xo,}S\wcn  
    hy = fldy(f)/maxfield pGO=3=O  
    raytrace hx,hy,0,0  :oN$w\A  
    format 10.4 5}v<?<l9\  
    print Xu[(hT6  
    print "  X Field    = ", fldx(f), XXwe/>J  
    print "  Y Field    = ", fldy(f) o'#ow(X  
    print "  X Chief    = ",rayx(n), CN(}0/  
    print "  Y Chief    = ",rayy(n) Uxll<z,  
    xraymax = -9e9 ^"  
    yraymax = -9e9 j2dptM3t{  
    xraymin =  9e9 ^*-6PV#Z  
    yraymin =  9e9 Ad%3 fvn  
    xraytot = 0 m@A?'gD  
    yraytot = 0 PP1?UT=]  
    numray = 0 3$TU2-x;g  
    numrayattempt = 0 D=>[~u3H  
    px = -1 - delta "bhF`,V  
    label 2 C*C;n4AT  
    px = px + delta N?Nu'  
    py = -1 - delta [>MPM$9F-m  
    label 3 ()\=(n!J  
    py = py + delta !Au@\/}  
    rad = px*px + py*py d[( }  
    if rad <= 0.9999999 r9\7I7z  
            raytrace hx, hy, px, py L9"yQD^R7?  
            numrayattempt = numrayattempt+1 -% ,3qhsd  
            if !rayv(n)                                              **************************** XCAy _fL<B  
                    numray = numray + 1 vGST{Lz;  
                    x = rayx(n) Q"(*SA+-|  
                    y = rayy(n) X`s6lV%\  
                    if (x < xraymin) then xraymin = x d~hN`ff  
                    if (x > xraymax) then xraymax = x B)v|A  
                    if (y < yraymin) then yraymin = y 9$~a&lXO5  
                    if (y > yraymax) then yraymax = y P #PRzt  
                    xraytot = xraytot + x /%F}vW(!  
                    yraytot = yraytot + y g##yR/L  
            endif x 8_nLZ  
    endif *mVQN1  
    if py < 1.0 then goto 3 2d60o~ E  
    if px < 1.0 then goto 2 Sy0-tK4  
    if numray aS $ J `  
            format 14.8 pPD}>q  
            print "  X Centroid = ",xraytot/numray, (\zxiK  
            print "  Y Centroid = ",yraytot/numray EjF2mkA*  
            print "  X Middle   = ",(xraymax+xraymin)/2, C" 2K U*  
            print "  Y Middle   = ",(yraymax+yraymin)/2 6eB2mcV  
            format .0 r`OC5IoQ  
            print "  ",numray, " out of ", numrayattempt," rays made it through." FpYeuH%  
    else x)0''}E~  
            print "  No rays made it through!" -(Fhj Ir  
    endif N~)RR {$w  
    f=f+1 *U}cj A:ZN  
    if f<= nfld() then goto 1 . l>.  
    print  &e%eIz  
    print "All field positions done!" t3VZjO  
    FORMAT 0.1 25H=RTw  
    print "Elapsed time ", ETIM(), " seconds." zu! #   
     
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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 yLY$1#Sa  
    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 ,c6c=di  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  LLU]KZhtY|  
    ,#8H9<O9t  
    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 3 adF) mh