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    只看楼主 正序阅读 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············· ;*{"|l qe  
    DtEvt+h  
    macro 正文:········· 7{z\^R^O  
    ! centroid.zpl 0Y>5&  
    ! 4*0C_F@RX  
    ! Written by Kenneth Moore 9/1/92 r~[Bzw"c  
    ! Added TIMER function 4/18/96 lIhP\:;S&  
    ! yN@3uYBF  
    TIMER CJa`[;i0y  
    ! H|\@[:A+  
    ! The delta controls how many rays will be traced. A <6.aSOS  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. xF8U )j !  
    ! k3PFCl~e  
    delta = .025 !k3 eUBF  
    ! s7d4)A%  
    print "This program computes the chief ray coordinates," jT'09r3P  
    print "centroid coordinates, and middle coordinates for" kuq&8f~!  
    print "the primary wave spot at each field position." Tv[h2_+E  
    maxfield = maxf() zH5pe  
    if maxfield == 0 then maxfield = 1 n[K LY!  
    n = nsur() IgIM8"N  
    f = 1 OA7YWk<K  
    label 1 Rs@>LA  
    hx = fldx(f)/maxfield V|{\8&  2  
    hy = fldy(f)/maxfield =?3b3PZn  
    raytrace hx,hy,0,0 T)Y{>wT  
    format 10.4 \:BixBU7  
    print H8x66}  
    print "  X Field    = ", fldx(f), .vnQZ*6  
    print "  Y Field    = ", fldy(f) \<aR^Sj.  
    print "  X Chief    = ",rayx(n), XN^l*Q?3n  
    print "  Y Chief    = ",rayy(n) ^? V9  
    xraymax = -9e9 ;x|7"lE  
    yraymax = -9e9 fsjCu!  
    xraymin =  9e9 5i@WBa  
    yraymin =  9e9 h/oC9?v  
    xraytot = 0 V/&JArW  
    yraytot = 0 a$=He   
    numray = 0 12VSzIm  
    numrayattempt = 0 Y'^+ KU  
    px = -1 - delta F$j?}  
    label 2 fi~jT"_CI  
    px = px + delta yU"lJ>Eh}}  
    py = -1 - delta ew.jsa`TrW  
    label 3 I~ 1Rt+:  
    py = py + delta h'nXV{N0  
    rad = px*px + py*py s'^sT=b  
    if rad <= 0.9999999 7_Op(C4,nC  
            raytrace hx, hy, px, py %a:>3! +  
            numrayattempt = numrayattempt+1 X \BxRgl},  
            if !rayv(n)                                              **************************** *e25!#o1  
                    numray = numray + 1 8|{d1dy  
                    x = rayx(n) :V0sKg|sS  
                    y = rayy(n) g)1`A 24  
                    if (x < xraymin) then xraymin = x N(l  
                    if (x > xraymax) then xraymax = x F.{$HJ  
                    if (y < yraymin) then yraymin = y 2b/Cs#-  
                    if (y > yraymax) then yraymax = y hLr\;Swyp  
                    xraytot = xraytot + x udOdXz6K?  
                    yraytot = yraytot + y FEO /RMh  
            endif /E-s g, k  
    endif ?J@P0(M#  
    if py < 1.0 then goto 3 f+lPQIB  
    if px < 1.0 then goto 2 ?[=OQ/E  
    if numray  r4M;]  
            format 14.8 /PKu",Azj  
            print "  X Centroid = ",xraytot/numray, F!<!)_8Q  
            print "  Y Centroid = ",yraytot/numray /5Sd?pW;  
            print "  X Middle   = ",(xraymax+xraymin)/2, ^kK% 8 u  
            print "  Y Middle   = ",(yraymax+yraymin)/2 9$L2 a  
            format .0 {kghZur  
            print "  ",numray, " out of ", numrayattempt," rays made it through." |=:<[FU  
    else u}.mJDL  
            print "  No rays made it through!" a%2K,.J  
    endif l<;~sag  
    f=f+1 Pj1k?7  
    if f<= nfld() then goto 1 e^}@X[*'#  
    print @1A.$:  
    print "All field positions done!" F/cA tT.M?  
    FORMAT 0.1 ?vfZ>7Q  
    print "Elapsed time ", ETIM(), " seconds." iS< ^MD  
     
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    离线junel
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    只看该作者 4楼 发表于: 2014-06-21
    受教了 P;eXUF+jn  
    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 [ [w |  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  9e c},~(  
    fUGappb  
    Kimclps兄果然学识过人,受教了·····
    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 F>3 o0ke}  
    的影響,因此須知道漸暈才能算出chief ray位置。