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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············· U%E364;F  
    zKX|m-i|2  
    macro 正文:········· ,f?+QV\T.  
    ! centroid.zpl LyA}Nd]pyq  
    ! /D&7 \3}  
    ! Written by Kenneth Moore 9/1/92 = & =#G3f  
    ! Added TIMER function 4/18/96 wwD?i.3  
    ! X4Y!Z/b  
    TIMER nH7i)!cI~  
    ! hqVxvS"  
    ! The delta controls how many rays will be traced. A s2ixiv=  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. Cqc5jx0)  
    ! '\I!RAZ  
    delta = .025 R8![ $mkU  
    ! j$jgEtPK9=  
    print "This program computes the chief ray coordinates," UUaC@Rs2  
    print "centroid coordinates, and middle coordinates for" oVYW '~OID  
    print "the primary wave spot at each field position." s(MLBV5)w  
    maxfield = maxf() C)xM>M_CB  
    if maxfield == 0 then maxfield = 1 rf]'V Jg#3  
    n = nsur() sbV {RSl  
    f = 1 rwSmdJ~  
    label 1 aokV'6  
    hx = fldx(f)/maxfield 40)Ti  
    hy = fldy(f)/maxfield %AnqT|\#,  
    raytrace hx,hy,0,0 yTwtGo&  
    format 10.4 ;j^C35  
    print ZI/Ia$O  
    print "  X Field    = ", fldx(f), n+9rx]W,  
    print "  Y Field    = ", fldy(f) Hm*?<o9mxC  
    print "  X Chief    = ",rayx(n), >0Gdxj]\  
    print "  Y Chief    = ",rayy(n) l6#ms!e  
    xraymax = -9e9 2GC{+*  
    yraymax = -9e9 7t~12m8x  
    xraymin =  9e9 QkU6eE<M*  
    yraymin =  9e9 E[2>je  
    xraytot = 0  %kSpMj|  
    yraytot = 0 ^I]A@YNni  
    numray = 0 [) S&PK  
    numrayattempt = 0 k1HVvMD<  
    px = -1 - delta Tj v)jD  
    label 2 u#r[JF9LP  
    px = px + delta UK!PMkX  
    py = -1 - delta cH>3|B*y  
    label 3 N~t4qlC/  
    py = py + delta '&42E[0P  
    rad = px*px + py*py Bq4^nDK  
    if rad <= 0.9999999 #9FY;~  
            raytrace hx, hy, px, py 7ts`uI<E@7  
            numrayattempt = numrayattempt+1 Kdr7JQYzuz  
            if !rayv(n)                                              **************************** :j}4F  
                    numray = numray + 1 |h(05Kbk  
                    x = rayx(n) 5,Hj$v7fe  
                    y = rayy(n) vE<z0l  
                    if (x < xraymin) then xraymin = x Hu-Y[~9^L:  
                    if (x > xraymax) then xraymax = x kK&M>)&o#  
                    if (y < yraymin) then yraymin = y ll8Zo+-[  
                    if (y > yraymax) then yraymax = y !5zDnv  
                    xraytot = xraytot + x .Mb<.R3  
                    yraytot = yraytot + y (`me}8  
            endif {$fd?| 9h  
    endif 9XEP:}5,  
    if py < 1.0 then goto 3 u-%|ZSg  
    if px < 1.0 then goto 2 7x5wT ?2W  
    if numray S2,tv  
            format 14.8 |(77ao3  
            print "  X Centroid = ",xraytot/numray, o`+$h:zm@  
            print "  Y Centroid = ",yraytot/numray L2<IG)oXU  
            print "  X Middle   = ",(xraymax+xraymin)/2, eb#p-=^KP  
            print "  Y Middle   = ",(yraymax+yraymin)/2 N&jHU+{OU  
            format .0 o7=#ye&P  
            print "  ",numray, " out of ", numrayattempt," rays made it through." }K'gjs/N;  
    else y13Y,cz~B  
            print "  No rays made it through!" @:%p#$V  
    endif :HW\awv  
    f=f+1 Wv7hY"  
    if f<= nfld() then goto 1 #WqpU.  
    print $z48~nu@ j  
    print "All field positions done!" =Owr l'@|T  
    FORMAT 0.1 H&_drxUq;L  
    print "Elapsed time ", ETIM(), " seconds." /*kc|V  
     
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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 sEzl4I  
    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 K1CgM1v  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  R5N~%Dg)3  
    F60?%gg  
    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 M44$E4a20