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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············· SAo"+%  
    oMMU5sm  
    macro 正文:········· _B W$?:)9  
    ! centroid.zpl "aa6W  
    ! wlKL|N  
    ! Written by Kenneth Moore 9/1/92 W%1fm/ G0  
    ! Added TIMER function 4/18/96 "_q5\]z\O  
    ! RKBjrSZg8  
    TIMER Q g"{F},4  
    ! 3:=XU9p)x  
    ! The delta controls how many rays will be traced. A sDbALAp +  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. v3]q2*`G#  
    ! C2Y&qX,  
    delta = .025 =20Q! wcu  
    ! 8Q6il-  
    print "This program computes the chief ray coordinates," 5#2vSq!H  
    print "centroid coordinates, and middle coordinates for" <F=j6U7   
    print "the primary wave spot at each field position." 8n&",)U  
    maxfield = maxf() E+7S:B  
    if maxfield == 0 then maxfield = 1 C %EQ9Iq6r  
    n = nsur() }.T$bj1B;V  
    f = 1 hc[GpZcw,  
    label 1 1W/= =+%I  
    hx = fldx(f)/maxfield 1eb1Lvn  
    hy = fldy(f)/maxfield cAktSoF  
    raytrace hx,hy,0,0 SH`"o  
    format 10.4 !J:DBtGT  
    print gV`:eNo*  
    print "  X Field    = ", fldx(f), &Vonu*  
    print "  Y Field    = ", fldy(f) YDQV,`S7  
    print "  X Chief    = ",rayx(n), 9r8{9h:  
    print "  Y Chief    = ",rayy(n) <edAWc+  
    xraymax = -9e9 ~ Q]B}qdm  
    yraymax = -9e9 L;z-,U$;%R  
    xraymin =  9e9 c6lEWC:  
    yraymin =  9e9 aa".d[*1  
    xraytot = 0 z5{I3 Y!1  
    yraytot = 0 *#2`b%qh\M  
    numray = 0 WVo%'DtF`  
    numrayattempt = 0 '2.F-~  
    px = -1 - delta :+R ||q i  
    label 2 \!YPht  
    px = px + delta (p2\H>pTr  
    py = -1 - delta <B`=oO%o  
    label 3 ]gmf%g'C  
    py = py + delta v-Br)lLv  
    rad = px*px + py*py ^lQ-w|7(  
    if rad <= 0.9999999 ' bT9AV%  
            raytrace hx, hy, px, py m&$H ?yXW>  
            numrayattempt = numrayattempt+1 |"@E"Za^  
            if !rayv(n)                                              **************************** G! 87F/  
                    numray = numray + 1 {fGi:b\[ 8  
                    x = rayx(n) h1Q7(8=Eg  
                    y = rayy(n) > ZNL pJQ  
                    if (x < xraymin) then xraymin = x \T[*|"RFZ  
                    if (x > xraymax) then xraymax = x <T7y85  
                    if (y < yraymin) then yraymin = y UW>~C  
                    if (y > yraymax) then yraymax = y zBoU;d%p>  
                    xraytot = xraytot + x I &m~ cBj<  
                    yraytot = yraytot + y  vG  
            endif F1,pAtA  
    endif 5w1=j\oq  
    if py < 1.0 then goto 3 "1[N;|xa  
    if px < 1.0 then goto 2 ~ R*6w($  
    if numray >T(f  
            format 14.8 m|-O/6~  
            print "  X Centroid = ",xraytot/numray, l"cO@.T3  
            print "  Y Centroid = ",yraytot/numray D!X{9q}S1  
            print "  X Middle   = ",(xraymax+xraymin)/2, @*c+`5)_  
            print "  Y Middle   = ",(yraymax+yraymin)/2 D<rjxP  
            format .0 g^]Q*EBa  
            print "  ",numray, " out of ", numrayattempt," rays made it through." RL&*.r&  
    else O=-|b kO  
            print "  No rays made it through!" (Hn,}(3S  
    endif nxH$$}9  
    f=f+1 J%[K;WjrZJ  
    if f<= nfld() then goto 1 VyI%^S ]sS  
    print %WO;WxG8^  
    print "All field positions done!" @RnGK 5  
    FORMAT 0.1 opIcSm&  
    print "Elapsed time ", ETIM(), " seconds." 6}|vfw  
     
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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 t /47lYN)  
    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 NH?s  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ~f@;.  
    c]n4vhUa5  
    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 [2 Rp.?