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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············· _43 :1!os  
    fg~9{1B  
    macro 正文:········· xZp`Ke!  
    ! centroid.zpl WkK.ON^  
    ! @4%x7%+[c  
    ! Written by Kenneth Moore 9/1/92 F+::UWKA  
    ! Added TIMER function 4/18/96 i-31Cxb  
    ! d> L*2 g  
    TIMER 2[yfo8H  
    ! `&qeSEs\  
    ! The delta controls how many rays will be traced. A <" F|K!Tz  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 5=9gH  
    ! 7wwlZ;w  
    delta = .025 #;Z+ X)  
    ! r`!S*zK  
    print "This program computes the chief ray coordinates," 4@*`V  
    print "centroid coordinates, and middle coordinates for" 0O7VM)[  
    print "the primary wave spot at each field position." ulxy 4] h  
    maxfield = maxf() /_CSRi&  
    if maxfield == 0 then maxfield = 1 _,5)  
    n = nsur() iV8O<en&i  
    f = 1 :H`Z.>K  
    label 1 50^T \u  
    hx = fldx(f)/maxfield lO dw H"  
    hy = fldy(f)/maxfield /d]{ #,k  
    raytrace hx,hy,0,0 b1frAA  
    format 10.4 y/yg-\/XF  
    print wNhtw'E8  
    print "  X Field    = ", fldx(f), 5sK1rDN  
    print "  Y Field    = ", fldy(f) Y#aHGZ$i  
    print "  X Chief    = ",rayx(n), R|O."&CAB  
    print "  Y Chief    = ",rayy(n) hNGD `"U  
    xraymax = -9e9 ^ G@o} Z  
    yraymax = -9e9 |4A938'4j  
    xraymin =  9e9 I85bzzZB  
    yraymin =  9e9 {\zB'SNq  
    xraytot = 0 x\2N @*I:  
    yraytot = 0 aO>Nev  
    numray = 0 osW"b"_f  
    numrayattempt = 0 xyc`p[n &  
    px = -1 - delta S#l6=zI7^R  
    label 2 e x`mu E  
    px = px + delta 6I,4 6 XZ-  
    py = -1 - delta /6a617?9J  
    label 3 g$$j:U*-  
    py = py + delta !xo; $4  
    rad = px*px + py*py 2%zJI"Ic  
    if rad <= 0.9999999 Ve\=By-a|  
            raytrace hx, hy, px, py Z=\wI:TY1  
            numrayattempt = numrayattempt+1 !$|h[ct  
            if !rayv(n)                                              **************************** [_,Gk]F=  
                    numray = numray + 1 NgPY/R>  
                    x = rayx(n) RFq&#3f$  
                    y = rayy(n) tOf18V{a  
                    if (x < xraymin) then xraymin = x }iCcXZ&5^  
                    if (x > xraymax) then xraymax = x 0-a[[hL?  
                    if (y < yraymin) then yraymin = y Y<oDv`a Z0  
                    if (y > yraymax) then yraymax = y \"W _\&X  
                    xraytot = xraytot + x 3 h~U)mg  
                    yraytot = yraytot + y Oe:_B/l  
            endif [j^c&}0  
    endif #_}r)q  
    if py < 1.0 then goto 3 U>jLh57  
    if px < 1.0 then goto 2 Fi!XaO  
    if numray xfJ&11fG2  
            format 14.8 skR I \  
            print "  X Centroid = ",xraytot/numray, n.\|NR'v  
            print "  Y Centroid = ",yraytot/numray C=|X]"*:u0  
            print "  X Middle   = ",(xraymax+xraymin)/2, SF2<   
            print "  Y Middle   = ",(yraymax+yraymin)/2 V]I+>Zn| 7  
            format .0  #3m7`}c  
            print "  ",numray, " out of ", numrayattempt," rays made it through." C].w)B  
    else ); <Le6  
            print "  No rays made it through!" iS%md  
    endif ^~:&/0  
    f=f+1 1}"PLq(  
    if f<= nfld() then goto 1 pJpTOq\h  
    print W n43TSs-  
    print "All field positions done!" ?}g#Mc  
    FORMAT 0.1 `zZGL&9m`  
    print "Elapsed time ", ETIM(), " seconds." t<QSp6n""  
     
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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 iB=v >8l%  
    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 '*PJ-=G  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  dIUg e`O9  
    MJ )aY2  
    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+|`{tf