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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············· Rz33_ qA  
    R#/0}+-M  
    macro 正文:········· sA+( |cEh  
    ! centroid.zpl S|_lb MZM  
    ! xic&m5j m  
    ! Written by Kenneth Moore 9/1/92 QW&@>i  
    ! Added TIMER function 4/18/96 D+*_iM6[-  
    ! >  !WFY  
    TIMER M5+K[Ir/y9  
    ! ['l}*  
    ! The delta controls how many rays will be traced. A _Tf0L<A'R  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. |l,0bkY@&  
    ! 9RY}m7  
    delta = .025 Y>K3.*.  
    ! (M%ZSF V  
    print "This program computes the chief ray coordinates," J(`(PYo\i  
    print "centroid coordinates, and middle coordinates for" ~<=wTns!  
    print "the primary wave spot at each field position." 58Z,(4:E  
    maxfield = maxf() ]$A6krfh|  
    if maxfield == 0 then maxfield = 1 M_\)<a(8  
    n = nsur() lUHpGr|U%  
    f = 1 %X(|Z4dL  
    label 1 0j[%L!hny  
    hx = fldx(f)/maxfield @34CaZ$k  
    hy = fldy(f)/maxfield \eS-wO7%  
    raytrace hx,hy,0,0 /^Zgv-n  
    format 10.4 \05 n$.  
    print 9K#U<Q0b'  
    print "  X Field    = ", fldx(f), Tc;j)_C)  
    print "  Y Field    = ", fldy(f) QBTjiaYGa'  
    print "  X Chief    = ",rayx(n), o&rNM5:  
    print "  Y Chief    = ",rayy(n) ~)!vhdBe  
    xraymax = -9e9 5~xv"S(E}  
    yraymax = -9e9 h?&S*)1  
    xraymin =  9e9 5i&+.?(Z=  
    yraymin =  9e9 S{)'1J_0  
    xraytot = 0  Tv~Ys#  
    yraytot = 0 3HB(rTw  
    numray = 0 uJ%XF*>_D  
    numrayattempt = 0 qF4pTQf  
    px = -1 - delta 6s&%~6J,  
    label 2 ziD+% -  
    px = px + delta Rm=[Sj84  
    py = -1 - delta 1&JB@F9!  
    label 3 qISzn04  
    py = py + delta `xu/|})KI  
    rad = px*px + py*py =/qj vY  
    if rad <= 0.9999999 Kv6#WN~  
            raytrace hx, hy, px, py #W=H)6  
            numrayattempt = numrayattempt+1 )R"deb=s  
            if !rayv(n)                                              **************************** `Z~\&r=  
                    numray = numray + 1 /Wm3qlv  
                    x = rayx(n) +L<x0-&  
                    y = rayy(n) v/}h y$7  
                    if (x < xraymin) then xraymin = x h%(0|  
                    if (x > xraymax) then xraymax = x jxA*Gg3cT5  
                    if (y < yraymin) then yraymin = y gX *i"Y#  
                    if (y > yraymax) then yraymax = y ;p2a .P  
                    xraytot = xraytot + x N+0`Jm  
                    yraytot = yraytot + y Ke,$3Yx  
            endif GbbD)  
    endif UNd+MHE74I  
    if py < 1.0 then goto 3 /*) =o+  
    if px < 1.0 then goto 2 \J3n[6;  
    if numray (%f2ZNen  
            format 14.8 EXTQ:HSES  
            print "  X Centroid = ",xraytot/numray, zu|=1C#5h  
            print "  Y Centroid = ",yraytot/numray ~:lN("9OI  
            print "  X Middle   = ",(xraymax+xraymin)/2, BX6]d:S  
            print "  Y Middle   = ",(yraymax+yraymin)/2 "ku ?A^f  
            format .0 eXZH#K7S#  
            print "  ",numray, " out of ", numrayattempt," rays made it through." B3iU#   
    else 9x9~u8j  
            print "  No rays made it through!" 7"Iagrgw  
    endif XveG#oyiU  
    f=f+1 %y}l^P5z  
    if f<= nfld() then goto 1 k=qb YGK  
    print Y'%k G5nF  
    print "All field positions done!" zWEt< `1M  
    FORMAT 0.1 b py576GwA  
    print "Elapsed time ", ETIM(), " seconds." E0Jk=cq  
     
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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 Me e+bp  
    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 iHB1/  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  C3p/|{TP  
    yj48GQP]  
    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 'L"dM9#>