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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············· m-!z(vcn  
    8 uhB&qxB  
    macro 正文:········· zzBqb\Ky  
    ! centroid.zpl vui{["  
    ! _N`pwxpsb  
    ! Written by Kenneth Moore 9/1/92 g|l|)T.s  
    ! Added TIMER function 4/18/96 d "vd_}P~  
    ! ma4r/8Q  
    TIMER \\~4$Ai[  
    ! x@>^c:-f  
    ! The delta controls how many rays will be traced. A ?rH=<#@  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. |k9A*7I  
    ! mJ5LRpXN  
    delta = .025 KbV%8nx!!  
    ! /waZ9  
    print "This program computes the chief ray coordinates," ui6B  
    print "centroid coordinates, and middle coordinates for" V/-~L]G  
    print "the primary wave spot at each field position." }tT*Ch?u  
    maxfield = maxf() *:A )j?(  
    if maxfield == 0 then maxfield = 1 ;w}5:3+  
    n = nsur() 4==Lt Ep  
    f = 1 =1vVI Twl  
    label 1 k||DcwO  
    hx = fldx(f)/maxfield 0Z{(,GU  
    hy = fldy(f)/maxfield {n%U2LVL  
    raytrace hx,hy,0,0 9qQFIw~S  
    format 10.4 s2ys>2k  
    print FR@ dBcJUU  
    print "  X Field    = ", fldx(f), y0' "  
    print "  Y Field    = ", fldy(f) jQ31u  
    print "  X Chief    = ",rayx(n), X_eV<]zA+  
    print "  Y Chief    = ",rayy(n) Z;mDMvIu (  
    xraymax = -9e9 h@D4~(r  
    yraymax = -9e9 ]H|1q uT  
    xraymin =  9e9 DEC,oX!bI1  
    yraymin =  9e9 I1H:h  
    xraytot = 0 h(G(U_V-Od  
    yraytot = 0 thDE 1h  
    numray = 0 }a_: oR  
    numrayattempt = 0 =kLg)a |  
    px = -1 - delta L3~E*\cV  
    label 2 #Y*AGxk  
    px = px + delta K~WwV8c9;  
    py = -1 - delta  U\~[  
    label 3 zj;y`ENj  
    py = py + delta &[KFCn  
    rad = px*px + py*py Q\:'gx8`  
    if rad <= 0.9999999 Ve8`5  
            raytrace hx, hy, px, py {UYqRfgbZ  
            numrayattempt = numrayattempt+1 3r{'@Y =)Y  
            if !rayv(n)                                              **************************** (<.1o_Q-LU  
                    numray = numray + 1 J:mOg95<  
                    x = rayx(n) MJX m7<(  
                    y = rayy(n) tZXtt=M w  
                    if (x < xraymin) then xraymin = x %3VwCuE  
                    if (x > xraymax) then xraymax = x /HDX[R   
                    if (y < yraymin) then yraymin = y Rb~Kyy$  
                    if (y > yraymax) then yraymax = y r/O(EW#=8  
                    xraytot = xraytot + x Qg _?..%  
                    yraytot = yraytot + y <ZrZSt+<  
            endif Krq^|DY  
    endif Z?hBn`.  
    if py < 1.0 then goto 3 W3 8 =fyD  
    if px < 1.0 then goto 2 xD1B50y U  
    if numray 8a)EL*LH`  
            format 14.8 $ 9DZ5"  
            print "  X Centroid = ",xraytot/numray, z4J-qK~2  
            print "  Y Centroid = ",yraytot/numray @3S2Xb{ra1  
            print "  X Middle   = ",(xraymax+xraymin)/2, ?\#4`9  
            print "  Y Middle   = ",(yraymax+yraymin)/2 65J'u N  
            format .0 L6A6|+H%E  
            print "  ",numray, " out of ", numrayattempt," rays made it through." [bT@Y:X@`  
    else ?I/,r2ODLh  
            print "  No rays made it through!" 3^su%z_%  
    endif 6y5arP*6e  
    f=f+1 #lLL5ji  
    if f<= nfld() then goto 1 d=4MqX r  
    print -I8%  
    print "All field positions done!" kb7\qH!n  
    FORMAT 0.1 ) L{Tn 8  
    print "Elapsed time ", ETIM(), " seconds." Mc6Cte]3|  
     
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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 1VZ>*Tl  
    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 (KMobIP^  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  / IS WC   
    Ny'v/+nQ  
    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 vUs7#*