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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············· YxtkI:C?  
    H n!vTB  
    macro 正文:········· d*>k ]X@G  
    ! centroid.zpl -{*V)J_Co  
    ! ]-'9|N*}l  
    ! Written by Kenneth Moore 9/1/92 s4$m<"~  
    ! Added TIMER function 4/18/96 '&QT}B  
    ! u}1vn}F{  
    TIMER "r V4[MVxt  
    ! N 9&@,3  
    ! The delta controls how many rays will be traced. A ee_\_"  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. E`4=C@NN+,  
    ! FqsjuU@l  
    delta = .025 O|RO j  
    ! lDU:EJ&DHE  
    print "This program computes the chief ray coordinates," W[>TqT63  
    print "centroid coordinates, and middle coordinates for" #Q@6:bBzv  
    print "the primary wave spot at each field position." a1`cI5n  
    maxfield = maxf() nh=Us^xD  
    if maxfield == 0 then maxfield = 1 'q'Y:A?,  
    n = nsur() ptv 4v[gQ  
    f = 1 ZY!pw6R1>*  
    label 1 V3W85_*  
    hx = fldx(f)/maxfield G r|@CZq  
    hy = fldy(f)/maxfield -NPk N%h  
    raytrace hx,hy,0,0 c2\vG  
    format 10.4 Cj1UD;  
    print C55n  
    print "  X Field    = ", fldx(f), N&ql(#r  
    print "  Y Field    = ", fldy(f) MJ9SsC1  
    print "  X Chief    = ",rayx(n), I A`8ie+  
    print "  Y Chief    = ",rayy(n) /mwr1GU  
    xraymax = -9e9 {}o>ne nx\  
    yraymax = -9e9 1ysLZ;K  
    xraymin =  9e9 \ui^ d  
    yraymin =  9e9 /eRtj:9M  
    xraytot = 0  |~uzQU7  
    yraytot = 0 A]?O& m |  
    numray = 0 _ 1{5~  
    numrayattempt = 0 z83:a)U  
    px = -1 - delta M y"!j,Up  
    label 2 !J=;Z9  
    px = px + delta !-RpRRR[Co  
    py = -1 - delta ;vclAsJ  
    label 3 {qWG^Db  
    py = py + delta f76|  
    rad = px*px + py*py KHus/M&0  
    if rad <= 0.9999999 01c/;B  
            raytrace hx, hy, px, py D^s0EW-E  
            numrayattempt = numrayattempt+1 fd"~[ z[  
            if !rayv(n)                                              **************************** } o"_#\6  
                    numray = numray + 1 Z^`=!n-V  
                    x = rayx(n) _d0-%B 9m  
                    y = rayy(n) SxW}Z_8x  
                    if (x < xraymin) then xraymin = x D ,ZNh1xt  
                    if (x > xraymax) then xraymax = x ]<;i} n| <  
                    if (y < yraymin) then yraymin = y 7k t7^V<  
                    if (y > yraymax) then yraymax = y :IT U0%;!+  
                    xraytot = xraytot + x ~:}XVt0%8  
                    yraytot = yraytot + y \m~\,em  
            endif 0HJqsSZ$mW  
    endif 8cBW] \ v  
    if py < 1.0 then goto 3 G2+)R^FSC  
    if px < 1.0 then goto 2 ]b~2Dap  
    if numray ?J@?,rZQ^V  
            format 14.8 {8Jk=)(md  
            print "  X Centroid = ",xraytot/numray, V0'p1J tD  
            print "  Y Centroid = ",yraytot/numray `^bvj]>l  
            print "  X Middle   = ",(xraymax+xraymin)/2, C3 b0`|5  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ,Z*3,/a  
            format .0 rI^~9Rz  
            print "  ",numray, " out of ", numrayattempt," rays made it through." ^z%o];  
    else #:vDBP05.m  
            print "  No rays made it through!" :Y J7J4  
    endif [5p7@6:$u  
    f=f+1 KB,~u*~!  
    if f<= nfld() then goto 1 BtpjQNN  
    print qtwT#z;Y  
    print "All field positions done!" L >Ez-  
    FORMAT 0.1 rGn5Q V  
    print "Elapsed time ", ETIM(), " seconds." ngkeJ)M0$  
     
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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 4l%?mvA^m  
    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 L,Ao.?j  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  0On? {Bw  
    yCF"Z/.  
    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 Yw6DJY