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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············· |b.xG_-s1  
    /9I/^i~  
    macro 正文:········· (uDd_@a9t  
    ! centroid.zpl 3)\fZYu)  
    ! NId.TaXh  
    ! Written by Kenneth Moore 9/1/92 0.n[_?<(  
    ! Added TIMER function 4/18/96 =uAy/S  
    ! m Jk\$/Kh  
    TIMER Jut&J]{h  
    ! E8}evi  
    ! The delta controls how many rays will be traced. A (A6~mi r!  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. /kkUEo+  
    ! _"yA1D0d_  
    delta = .025 fTvm2+.nX  
    ! 'EAskA] *  
    print "This program computes the chief ray coordinates," wL 4Y%g  
    print "centroid coordinates, and middle coordinates for" V<H9KA  
    print "the primary wave spot at each field position." 9iZio3m  
    maxfield = maxf() n%J=!z3  
    if maxfield == 0 then maxfield = 1 p T8?z  
    n = nsur() u%)gnj_  
    f = 1 ty0P9.Q  
    label 1 IyyBW2  
    hx = fldx(f)/maxfield yivu|q  
    hy = fldy(f)/maxfield L8PX SJ  
    raytrace hx,hy,0,0 X(nyTR8  
    format 10.4 F1L[3D^-  
    print 4#03x:/<\  
    print "  X Field    = ", fldx(f), y-1e(:GF  
    print "  Y Field    = ", fldy(f) o" ,8   
    print "  X Chief    = ",rayx(n), d"#Zp&#  
    print "  Y Chief    = ",rayy(n) Q]xkDr?   
    xraymax = -9e9 .=#j dc/  
    yraymax = -9e9 K -rR)-rI  
    xraymin =  9e9 Ytlzn%  
    yraymin =  9e9 _f^KP@^j  
    xraytot = 0 IFX$\+-  
    yraytot = 0 UlE%\L0GD&  
    numray = 0 &HM-UC|  
    numrayattempt = 0 ;J5z  
    px = -1 - delta 5h#h>0F  
    label 2 cu0IFNF}[  
    px = px + delta  XTJD>  
    py = -1 - delta e}e8WR=B  
    label 3 <s'de$[  
    py = py + delta `)n4I:)2  
    rad = px*px + py*py ?W'p&(;  
    if rad <= 0.9999999 7R2O[=Szq  
            raytrace hx, hy, px, py EX`P(=zD  
            numrayattempt = numrayattempt+1 p%"dYH%]&0  
            if !rayv(n)                                              **************************** fo@^=-4A-  
                    numray = numray + 1 .z`70ot?  
                    x = rayx(n) @%R<3!3v  
                    y = rayy(n) A]/o-S_  
                    if (x < xraymin) then xraymin = x /8h=6"  
                    if (x > xraymax) then xraymax = x ssi7)0  
                    if (y < yraymin) then yraymin = y "n!yK  
                    if (y > yraymax) then yraymax = y G:=hg6 '  
                    xraytot = xraytot + x ?0VR2Yb${b  
                    yraytot = yraytot + y LmF,en5  
            endif #dA$k+3  
    endif 6gg8 h>b  
    if py < 1.0 then goto 3 AC) M2;  
    if px < 1.0 then goto 2 q!5:M\  
    if numray I#M3cI!X?  
            format 14.8 >d2Fa4u3  
            print "  X Centroid = ",xraytot/numray, az(<<2=  
            print "  Y Centroid = ",yraytot/numray Wp=3heCa6  
            print "  X Middle   = ",(xraymax+xraymin)/2, 2@D`^]]  
            print "  Y Middle   = ",(yraymax+yraymin)/2 9B: 3Ha=  
            format .0 +$,Re.WnP  
            print "  ",numray, " out of ", numrayattempt," rays made it through." %t9C  
    else LwH#|8F  
            print "  No rays made it through!" 'x!\pE-  
    endif m|@H`=`d  
    f=f+1 ~?Q sr  
    if f<= nfld() then goto 1 0M_oFx  
    print &v{Ehkr*  
    print "All field positions done!" 5</$dcG  
    FORMAT 0.1 &_ekA44E  
    print "Elapsed time ", ETIM(), " seconds." I &t~o  
     
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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 RK>Pe3<  
    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 e _vsiT  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  [}X|&`'i  
    o9?@jjqH  
    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 =O/Bte.