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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············· Q?{%c[s  
    %u -x9  
    macro 正文:········· jmok]-pC  
    ! centroid.zpl Y +gY"  
    ! s27IeF3  
    ! Written by Kenneth Moore 9/1/92 nB[-KS  
    ! Added TIMER function 4/18/96 YO6BzS/~  
    ! k ;WD[SV  
    TIMER GK(CuwJe  
    ! P&-o>mM  
    ! The delta controls how many rays will be traced. A 92+8zX  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. DSGcxM+  
    ! Xlo7enzY  
    delta = .025 nQ%HtXt;  
    ! JTlk[ c  
    print "This program computes the chief ray coordinates," =W(*0"RM  
    print "centroid coordinates, and middle coordinates for" <=uYfi3,  
    print "the primary wave spot at each field position." .8hI ad  
    maxfield = maxf() *6uccx7{  
    if maxfield == 0 then maxfield = 1 WzMYRKZ  
    n = nsur() FhE{khc#  
    f = 1 &y[NC AeA  
    label 1 _;<!8e$C  
    hx = fldx(f)/maxfield z\YIwrq3*  
    hy = fldy(f)/maxfield }\pI`;*O|  
    raytrace hx,hy,0,0 jvT'N@  
    format 10.4 ;"3B,Yj  
    print H'+7z-% G  
    print "  X Field    = ", fldx(f), #;!&8iH  
    print "  Y Field    = ", fldy(f) =;}W)V|X)S  
    print "  X Chief    = ",rayx(n), BHXi g~d  
    print "  Y Chief    = ",rayy(n) 6CJMQi,kn  
    xraymax = -9e9 !-gU~0  
    yraymax = -9e9 n,la<N]  
    xraymin =  9e9 w =^.ICyb@  
    yraymin =  9e9 0lw>mxN  
    xraytot = 0 y(A' *G9  
    yraytot = 0 J~YT~D 2L  
    numray = 0 DwD$T%kF  
    numrayattempt = 0 t [QD#;  
    px = -1 - delta {(73*-~$  
    label 2 R1jl<=  
    px = px + delta GQ_KYS{  
    py = -1 - delta ;*K4{wvG  
    label 3  ;C]Ufk  
    py = py + delta Tc2.ciU  
    rad = px*px + py*py QFh1sb)]d)  
    if rad <= 0.9999999 f60w%  
            raytrace hx, hy, px, py K^- 1M?  
            numrayattempt = numrayattempt+1 zF&VzNR2  
            if !rayv(n)                                              **************************** 9I/b$$?D  
                    numray = numray + 1 ^l &lwSRVt  
                    x = rayx(n) UA[`{rf  
                    y = rayy(n) sFU< PgV  
                    if (x < xraymin) then xraymin = x ~lj~]j  
                    if (x > xraymax) then xraymax = x kmB!NxF>)F  
                    if (y < yraymin) then yraymin = y F_-Lu]*  
                    if (y > yraymax) then yraymax = y $JE,u' JQ  
                    xraytot = xraytot + x b*|~F  
                    yraytot = yraytot + y 37AVk`a  
            endif i1iP'`r  
    endif g40Hj Y  
    if py < 1.0 then goto 3 P<<$o-a"  
    if px < 1.0 then goto 2 =KRM`_QShg  
    if numray  7WJ \nK  
            format 14.8 bMH~vR  
            print "  X Centroid = ",xraytot/numray, ZsGvv]P  
            print "  Y Centroid = ",yraytot/numray @SQsEq+A?\  
            print "  X Middle   = ",(xraymax+xraymin)/2, gLiJ&H  
            print "  Y Middle   = ",(yraymax+yraymin)/2 Dc9uq5l  
            format .0 \0$+*ejz  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 'H1~Zhv  
    else "CJVtO  
            print "  No rays made it through!" 0zt]DCdY  
    endif ,GbmL8P7Y  
    f=f+1 OV>& `puL  
    if f<= nfld() then goto 1 &(F c .3m  
    print 8f@}-  
    print "All field positions done!" h$S#fY8   
    FORMAT 0.1 OvfluFu7  
    print "Elapsed time ", ETIM(), " seconds." >7U/TVd&  
     
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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 RQ+,7Ir  
    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 C% -Tw]T$_  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  GRZz@bAO?$  
    s5~k]"{j  
    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 ERPg TZT