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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············· zfA GtT <  
    jszK7$]^  
    macro 正文:········· d5`3wd]]'v  
    ! centroid.zpl f+_h !j  
    ! FRu]kZv2  
    ! Written by Kenneth Moore 9/1/92 g%[c<l9  
    ! Added TIMER function 4/18/96 ` Ag{)  
    ! 7!WA)@6  
    TIMER 2-N 'ya  
    ! )3Z ^h<"j  
    ! The delta controls how many rays will be traced. A (QoI<j""  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. aJ") <_+  
    ! 6 Orum/|h  
    delta = .025 %a+mk E  
    ! !K f#@0E..  
    print "This program computes the chief ray coordinates," 4%nE*H%  
    print "centroid coordinates, and middle coordinates for" R_XR4)(<  
    print "the primary wave spot at each field position." l vMlL5t  
    maxfield = maxf() *!s;"U  
    if maxfield == 0 then maxfield = 1 /1mW|O>0  
    n = nsur() uN([*'0Cg  
    f = 1 9RN-suE[  
    label 1 Od4E x;F  
    hx = fldx(f)/maxfield FCi U  
    hy = fldy(f)/maxfield N ,8/Y  
    raytrace hx,hy,0,0 ( +pLA"xq  
    format 10.4 26&'X+n&  
    print +_XzmjnDd  
    print "  X Field    = ", fldx(f), <Ln1pV~k  
    print "  Y Field    = ", fldy(f) u/cg|]x&T  
    print "  X Chief    = ",rayx(n), =  C4  
    print "  Y Chief    = ",rayy(n) <:SZAAoIV  
    xraymax = -9e9 -gSUjP  
    yraymax = -9e9 C{gyj}5  
    xraymin =  9e9 I!e})Y  
    yraymin =  9e9 qlL`jWJ  
    xraytot = 0 MrZh09y  
    yraytot = 0 A C>`'Gx  
    numray = 0 8"sb;  
    numrayattempt = 0 z!l.:F  
    px = -1 - delta Vn*tp bz  
    label 2 yW$0\E6<r  
    px = px + delta ,lZB96r0  
    py = -1 - delta xx[9~z=d  
    label 3 yE}}c{hSn  
    py = py + delta  GB$;n?  
    rad = px*px + py*py $ s9Vrw0Z  
    if rad <= 0.9999999 dZi"$ g  
            raytrace hx, hy, px, py C:PMewn  
            numrayattempt = numrayattempt+1 kS bu]AB  
            if !rayv(n)                                              **************************** q Y#n'&  
                    numray = numray + 1 ?b(=1S\E'^  
                    x = rayx(n) anXc|  
                    y = rayy(n) j#cYS*^H  
                    if (x < xraymin) then xraymin = x xuqv6b.  
                    if (x > xraymax) then xraymax = x 9 FB19  
                    if (y < yraymin) then yraymin = y zuUW|r  
                    if (y > yraymax) then yraymax = y W[Ls|<Q  
                    xraytot = xraytot + x N<~t3/Nm  
                    yraytot = yraytot + y XUz3*rfs  
            endif q@[Qj Gj@  
    endif z^'gx@YD*v  
    if py < 1.0 then goto 3 Z'"tB/=W  
    if px < 1.0 then goto 2 !\7!3$w'8,  
    if numray |Y?H A&  
            format 14.8 BO;6 u^[  
            print "  X Centroid = ",xraytot/numray, 3j\1S1  
            print "  Y Centroid = ",yraytot/numray wK?vPS  
            print "  X Middle   = ",(xraymax+xraymin)/2, r>o63Q:  
            print "  Y Middle   = ",(yraymax+yraymin)/2 5`~PR :dN  
            format .0 HMSO=)@+  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 6}d.5^7lr  
    else 0cj>mj1M  
            print "  No rays made it through!" /;oX)]W  
    endif Xu%'Z".>:  
    f=f+1 wOU_*uY@6'  
    if f<= nfld() then goto 1  |y(Q  
    print |5lk9<z  
    print "All field positions done!" <g"{Wv: h  
    FORMAT 0.1 >CHrg]9  
    print "Elapsed time ", ETIM(), " seconds." sS*3=Yh  
     
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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 qLD ?juas  
    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 t% d Z-Ym  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  |mZxfI  
    p_RsU`[  
    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 g_;\iqxL