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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············· >kZ57,  
    =,!\~`^  
    macro 正文:········· nwt C:*}  
    ! centroid.zpl f;SC{2f  
    ! ;^Sr"v6r>u  
    ! Written by Kenneth Moore 9/1/92 VQI(Vp|  
    ! Added TIMER function 4/18/96 {%v-(  
    ! x3ERCqTR  
    TIMER \'CN  
    ! 5v)(8|.M  
    ! The delta controls how many rays will be traced. A  h_d+$W5  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 'V+dBt3  
    ! `~UZU@/x  
    delta = .025 _lKZmhi  
    ! ]&~]#vB#  
    print "This program computes the chief ray coordinates," FSuAjBl0-  
    print "centroid coordinates, and middle coordinates for" ZPN roCK`  
    print "the primary wave spot at each field position." Nr<`Z  
    maxfield = maxf() m4E)qCvy  
    if maxfield == 0 then maxfield = 1 L(>=BK*  
    n = nsur() +|Hioq* ,t  
    f = 1 g42)7  
    label 1 ,fIe&zq  
    hx = fldx(f)/maxfield gkBdR +  
    hy = fldy(f)/maxfield w6dFb6~R  
    raytrace hx,hy,0,0 [ =x s4=  
    format 10.4 v4miU;|\  
    print C${ S^v  
    print "  X Field    = ", fldx(f), 9mc!bj^811  
    print "  Y Field    = ", fldy(f) >>Ts??  
    print "  X Chief    = ",rayx(n), 2jsw"aHW  
    print "  Y Chief    = ",rayy(n) Y!q!5Crfi  
    xraymax = -9e9 X2mREt9  
    yraymax = -9e9 /N>e&e[35\  
    xraymin =  9e9 depYqYK7G  
    yraymin =  9e9 >R{qESmP=  
    xraytot = 0 Ll4bdz,  
    yraytot = 0 :f5s4N  
    numray = 0 UX<Qcjm$e  
    numrayattempt = 0 Q(d9n8  
    px = -1 - delta !J*,)kRN  
    label 2 `u!l3VZ/4  
    px = px + delta 49Df?sx  
    py = -1 - delta wfL-oi'5  
    label 3 b?4/#&z]  
    py = py + delta e6X[vc|Y}  
    rad = px*px + py*py .O*bILU  
    if rad <= 0.9999999 &Lt[WT$  
            raytrace hx, hy, px, py gw`B"c|  
            numrayattempt = numrayattempt+1 m+{K^kr[  
            if !rayv(n)                                              **************************** cWGDee(  
                    numray = numray + 1 }),w1/#5u8  
                    x = rayx(n) 5WqXo{S  
                    y = rayy(n) VN0mDh?E  
                    if (x < xraymin) then xraymin = x SYeadsvF  
                    if (x > xraymax) then xraymax = x xt'tL:d  
                    if (y < yraymin) then yraymin = y vB37M@wm  
                    if (y > yraymax) then yraymax = y fl Jp4-nx  
                    xraytot = xraytot + x S0g'r !;6  
                    yraytot = yraytot + y wi8Yl1p]!z  
            endif =Cv/Y%DN  
    endif :0K8h  
    if py < 1.0 then goto 3 hqk}akXt  
    if px < 1.0 then goto 2 { 74mf'IW  
    if numray )5%C3/Dl!  
            format 14.8 [U#72+K  
            print "  X Centroid = ",xraytot/numray, ,y9iKkg  
            print "  Y Centroid = ",yraytot/numray ;TcvA  
            print "  X Middle   = ",(xraymax+xraymin)/2, 4$/i%B#ad  
            print "  Y Middle   = ",(yraymax+yraymin)/2 2#X4G~>#h  
            format .0  $rXh0g  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Tj~IaU  
    else ;v17K  
            print "  No rays made it through!" } B396X  
    endif Bb&^ {7  
    f=f+1 FtufuL?JS  
    if f<= nfld() then goto 1 ,:Vm6u!  
    print I fO;S*Qt  
    print "All field positions done!" UgB'[@McS  
    FORMAT 0.1 N3t0-6$_  
    print "Elapsed time ", ETIM(), " seconds." e& ANp0|W  
     
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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 O2{)WWOT  
    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 hlvt$Jwq  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  MB);!qy  
    ~:;3uL s,8  
    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 7&}P{<}o^