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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············· r_$*euh@  
    GD.Ss9_h1  
    macro 正文:········· *Igb3 xK%  
    ! centroid.zpl W.[!Q`  
    ! Ez|NQ:o  
    ! Written by Kenneth Moore 9/1/92 jdJTOT  
    ! Added TIMER function 4/18/96 ;LP3  
    ! ) dk|S\  
    TIMER vO2WZ7E!  
    ! <`pNdy4  
    ! The delta controls how many rays will be traced. A !xck ~EAS  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. p2 1|  
    ! K9Mz4K_  
    delta = .025 C\5G43`  
    ! YT+b{   
    print "This program computes the chief ray coordinates," )TiM>{  
    print "centroid coordinates, and middle coordinates for" Og%Y._  
    print "the primary wave spot at each field position." @!dIa1Q"  
    maxfield = maxf() o-H?q!  
    if maxfield == 0 then maxfield = 1 aBReIK o  
    n = nsur() tE=09J%z  
    f = 1 EB!ne)X  
    label 1 xD&n'M]  
    hx = fldx(f)/maxfield Wx]Xa]-  
    hy = fldy(f)/maxfield g?"QahH G  
    raytrace hx,hy,0,0 o 7kg.w|  
    format 10.4 SZe55mK`  
    print K\9CW%W  
    print "  X Field    = ", fldx(f), m_0y]RfG  
    print "  Y Field    = ", fldy(f) ``jNj1t{}  
    print "  X Chief    = ",rayx(n), [k%hl`}  
    print "  Y Chief    = ",rayy(n) YOLzCnI4  
    xraymax = -9e9 +U<YM94?  
    yraymax = -9e9 $|g1 _;(G  
    xraymin =  9e9 Wrb[\ ?-  
    yraymin =  9e9 Lq>lj`>  
    xraytot = 0 \78^ O  
    yraytot = 0 }ZVond$y4  
    numray = 0 4@fv%LOQo  
    numrayattempt = 0 RKzty=j4  
    px = -1 - delta nC,QvV  
    label 2 W{'hn&vU  
    px = px + delta {Cm!5QYy  
    py = -1 - delta 'k\j[fk/K  
    label 3 ZcjLv  
    py = py + delta YRV h[Bqg`  
    rad = px*px + py*py EQlb:;j  
    if rad <= 0.9999999 o+{,>t  
            raytrace hx, hy, px, py RBf#5VjOG!  
            numrayattempt = numrayattempt+1 bT 42G [x  
            if !rayv(n)                                              **************************** ' F.^ 8/>  
                    numray = numray + 1 Q /?`);  
                    x = rayx(n) gNP1UH4m  
                    y = rayy(n) (n7xYGfYS  
                    if (x < xraymin) then xraymin = x 9R8q+2  
                    if (x > xraymax) then xraymax = x ,zx{RDI  
                    if (y < yraymin) then yraymin = y <rgK}&q  
                    if (y > yraymax) then yraymax = y 6 agG*x  
                    xraytot = xraytot + x + GQ{{B  
                    yraytot = yraytot + y HL"c yxe  
            endif 9Zl4NV&B  
    endif 7<]&pSt=  
    if py < 1.0 then goto 3 G@ ot^n3  
    if px < 1.0 then goto 2 UZs '[pm)  
    if numray T2Z$*;,>T  
            format 14.8 ,V 52Fj  
            print "  X Centroid = ",xraytot/numray, n~yHt/T  
            print "  Y Centroid = ",yraytot/numray -(TC'  
            print "  X Middle   = ",(xraymax+xraymin)/2, L@T/4e./  
            print "  Y Middle   = ",(yraymax+yraymin)/2 9*I[q[>9  
            format .0 ?aTH<  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 3Ed  
    else 4_-&PZ,d  
            print "  No rays made it through!" /~'C!so[v  
    endif DDkN3\w  
    f=f+1 +3. 9)w  
    if f<= nfld() then goto 1 QDYuJ&!h  
    print V.`hk^V,  
    print "All field positions done!" Q +l{> sL  
    FORMAT 0.1 j7&#R+f  
    print "Elapsed time ", ETIM(), " seconds." )x\%*ewY  
     
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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 .CEC g*f  
    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 '#A_KHD  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  p79QEIbk=  
    K;THYMp/[  
    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 ~tNk\Kkv