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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············· t0E51Ic@  
    |V,<+BEi  
    macro 正文:········· :!TI K1  
    ! centroid.zpl 45 >XKr.%  
    ! :l\V'=%9'@  
    ! Written by Kenneth Moore 9/1/92 #1nJ(-D+  
    ! Added TIMER function 4/18/96 KLWDo%%u  
    ! $.E6S<(h  
    TIMER t#E}NR  
    ! fxQN+6;  
    ! The delta controls how many rays will be traced. A # TkR  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. A<MtKb  
    ! Hf gz02Z$  
    delta = .025 tln37vq  
    ! 2tQ`/!m>v$  
    print "This program computes the chief ray coordinates," Jf;?XP]z  
    print "centroid coordinates, and middle coordinates for" R W/z1  
    print "the primary wave spot at each field position." <yUstz,Xu^  
    maxfield = maxf() n~IVNB*  
    if maxfield == 0 then maxfield = 1 ed!>)Cb  
    n = nsur() 9)dfL?x8V{  
    f = 1 UK[v6".^h  
    label 1 aptY6lGv-|  
    hx = fldx(f)/maxfield 15\Ph[6g  
    hy = fldy(f)/maxfield SI:ifR&T  
    raytrace hx,hy,0,0 |UnUG  
    format 10.4 Q4]4@96Aj  
    print u'~;Y.@i'  
    print "  X Field    = ", fldx(f), 2\D8.nQr  
    print "  Y Field    = ", fldy(f) W&Y"K)`  
    print "  X Chief    = ",rayx(n), {tP%epQ  
    print "  Y Chief    = ",rayy(n) _"a=8a06G  
    xraymax = -9e9 )u:Q) %$t  
    yraymax = -9e9 '-$XX%TOAc  
    xraymin =  9e9 7;:#;YS ha  
    yraymin =  9e9 +a@GHx 4-  
    xraytot = 0 lEjwgk {  
    yraytot = 0 ?X$, fQ#F|  
    numray = 0 ~`MS~,,  
    numrayattempt = 0 jH;Du2w  
    px = -1 - delta iI1n2>V3y  
    label 2 sy* y\5yJ  
    px = px + delta Y-!YhWsS  
    py = -1 - delta $D1w5o-  
    label 3 }GwVKAjP  
    py = py + delta knp>m,w  
    rad = px*px + py*py A;XOT6jv?  
    if rad <= 0.9999999 p zw8T  
            raytrace hx, hy, px, py Nh?| RE0t  
            numrayattempt = numrayattempt+1 y^>Q/H\  
            if !rayv(n)                                              **************************** j V3)2C}  
                    numray = numray + 1 -Yi,_#3{  
                    x = rayx(n) zt24qTKL  
                    y = rayy(n) #Il_J\#  
                    if (x < xraymin) then xraymin = x vT^Sk;E  
                    if (x > xraymax) then xraymax = x dhPKHrS  
                    if (y < yraymin) then yraymin = y EV M7Q>  
                    if (y > yraymax) then yraymax = y oih5B<&f#  
                    xraytot = xraytot + x Q[n\R@  
                    yraytot = yraytot + y :Sg&0Wj+#j  
            endif AEirj /  
    endif SUCU P<G  
    if py < 1.0 then goto 3 @LE[ac  
    if px < 1.0 then goto 2 ,Z9>h[JF  
    if numray sfT+i;p  
            format 14.8 7u.|XmUz  
            print "  X Centroid = ",xraytot/numray, !\ND(  
            print "  Y Centroid = ",yraytot/numray <Q < AwP  
            print "  X Middle   = ",(xraymax+xraymin)/2, zSTR^sgJ  
            print "  Y Middle   = ",(yraymax+yraymin)/2 %hS|68pN6  
            format .0 B0}~G(t(  
            print "  ",numray, " out of ", numrayattempt," rays made it through." D |bBu  
    else &Nl2s ey  
            print "  No rays made it through!" yGBQ0o7E  
    endif `NRH9l>B7  
    f=f+1 83~ i:+;  
    if f<= nfld() then goto 1 }3 m0AQ;K  
    print `|O yRU"EK  
    print "All field positions done!" >cMd\%^t  
    FORMAT 0.1 c~,23wP1  
    print "Elapsed time ", ETIM(), " seconds." AnsjmR:Jv  
     
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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 e;YW6}'}  
    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 c8 K3.&P6  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  [t]X/O3<  
    !{^\1QK  
    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 G1T^a>tj4