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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············· XB%`5wwd  
    Kw>gg  
    macro 正文:········· Y C}$O2  
    ! centroid.zpl B^hK  
    ! *1}vn%wvn  
    ! Written by Kenneth Moore 9/1/92 !" : arK  
    ! Added TIMER function 4/18/96 6:\z8fYD  
    ! W*D*\E  
    TIMER t*Wxvoxk  
    ! ,-BZsZ0~  
    ! The delta controls how many rays will be traced. A a[gN+DX%L  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ? oGmGKq  
    ! 4_S%K&  
    delta = .025 c{f1_qXN  
    ! (yz8}L3  
    print "This program computes the chief ray coordinates," `RE1q)o}8M  
    print "centroid coordinates, and middle coordinates for" .T*7nw  
    print "the primary wave spot at each field position." !?)iP  
    maxfield = maxf() t{/ EN)J  
    if maxfield == 0 then maxfield = 1 J15$P8J  
    n = nsur() $E@ke:  
    f = 1 to 3i!b  
    label 1 upH%-)%'  
    hx = fldx(f)/maxfield 4>@-1nt}  
    hy = fldy(f)/maxfield Mq,_DQ  
    raytrace hx,hy,0,0 >l5JwwG  
    format 10.4  ]cI(||x  
    print M, UYDZ',  
    print "  X Field    = ", fldx(f), GgjBLe=C  
    print "  Y Field    = ", fldy(f) gClDVO  
    print "  X Chief    = ",rayx(n), 8%9OB5?F6  
    print "  Y Chief    = ",rayy(n) K#p&XIY,  
    xraymax = -9e9 qsL6*(S(r  
    yraymax = -9e9 uO-R:MC  
    xraymin =  9e9 r,dxW5v.  
    yraymin =  9e9 UJF }Ye  
    xraytot = 0 v]27+/a$c  
    yraytot = 0 oAp I/o  
    numray = 0 l+ <x  
    numrayattempt = 0 -.WVuc`  
    px = -1 - delta k07) g:_  
    label 2 j|WaWnl=  
    px = px + delta Bj7\{x,?  
    py = -1 - delta egi?Qg  
    label 3 ?0Ca-T Rz  
    py = py + delta 9~mi[l~  
    rad = px*px + py*py y]\R0lR  
    if rad <= 0.9999999 (jYs_8;  
            raytrace hx, hy, px, py 9Au+mIN  
            numrayattempt = numrayattempt+1 XT_BiZ%l5O  
            if !rayv(n)                                              **************************** ?-'Q-\j  
                    numray = numray + 1 |qNrj~n@  
                    x = rayx(n) U^0vLyqW^5  
                    y = rayy(n) w } 2|Do$5  
                    if (x < xraymin) then xraymin = x AjANuyUaP  
                    if (x > xraymax) then xraymax = x FZmYv%J  
                    if (y < yraymin) then yraymin = y uf)W? `e~  
                    if (y > yraymax) then yraymax = y ddHIP`wb  
                    xraytot = xraytot + x Nmsb  
                    yraytot = yraytot + y 1y"37;x  
            endif +;[`fSi  
    endif v981nJ>w,  
    if py < 1.0 then goto 3 |_2ANWHz  
    if px < 1.0 then goto 2 xD?{Hw>QT#  
    if numray Tz L40="F  
            format 14.8 ::T<de7  
            print "  X Centroid = ",xraytot/numray, d8RpL{9\7  
            print "  Y Centroid = ",yraytot/numray c)6Y.[).  
            print "  X Middle   = ",(xraymax+xraymin)/2, L kq>>?T=  
            print "  Y Middle   = ",(yraymax+yraymin)/2 c8"I]Qc7  
            format .0 j*:pW;)^  
            print "  ",numray, " out of ", numrayattempt," rays made it through." kdYl>M  
    else UXk8nH  
            print "  No rays made it through!" ^]R0d3?>\  
    endif :M[E-j;  
    f=f+1 dju&Ku  
    if f<= nfld() then goto 1 }Rux<=cd|  
    print wD,F=O  
    print "All field positions done!" j'J*QK&Q  
    FORMAT 0.1 !d0@^JbM"  
    print "Elapsed time ", ETIM(), " seconds." VDmd+bvJV  
     
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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 vZDQ@\HrC  
    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 9%qMZP0]  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  >i%w'uU  
    WL Lv a<{  
    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'1AU:d