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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············· G,]z (%  
    [t{](-  
    macro 正文:········· ~T02._E  
    ! centroid.zpl Pu..NPl+  
    ! "R23Pi  
    ! Written by Kenneth Moore 9/1/92 @0|nq9l1  
    ! Added TIMER function 4/18/96 <1 S+ '  
    ! j7}lF?cJ2  
    TIMER D^u\l  
    ! q!&B6]  
    ! The delta controls how many rays will be traced. A V9T 4 +  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 4 [1k\  
    ! !!WJn}  
    delta = .025 ra:GzkIw  
    ! I8k  
    print "This program computes the chief ray coordinates," -L8Y J8J6  
    print "centroid coordinates, and middle coordinates for" c|lU(Tf  
    print "the primary wave spot at each field position." `VZZ^K9zR  
    maxfield = maxf() RL*]g*  
    if maxfield == 0 then maxfield = 1 \5hw9T&[B  
    n = nsur() #h N.=~  
    f = 1 ]G*$W+G]  
    label 1 skR,-:"8  
    hx = fldx(f)/maxfield ]_u`EvEx6  
    hy = fldy(f)/maxfield 2ce'fMV  
    raytrace hx,hy,0,0 g\&2s,  
    format 10.4 ,d cg?48  
    print X2^_~<I{,  
    print "  X Field    = ", fldx(f), Nd!c2`  
    print "  Y Field    = ", fldy(f) *H" aOT^{  
    print "  X Chief    = ",rayx(n), 1Nj=B_T  
    print "  Y Chief    = ",rayy(n) fa{@$ppx  
    xraymax = -9e9 [))JX"a  
    yraymax = -9e9 R hio7C  
    xraymin =  9e9 O>AFF@=  
    yraymin =  9e9 H)5QqZ8  
    xraytot = 0 =/9<(Tt%m  
    yraytot = 0 o1k#."wHr  
    numray = 0 KO&:06V{  
    numrayattempt = 0 -~O/NX  
    px = -1 - delta W-XpJ\_  
    label 2 P}@*Z>j:#  
    px = px + delta &@6 GI<  
    py = -1 - delta XG&K32_fs  
    label 3 El (/em  
    py = py + delta t',BI  
    rad = px*px + py*py "PzP; Br  
    if rad <= 0.9999999 iBoEZEHjw  
            raytrace hx, hy, px, py g 1@wf  
            numrayattempt = numrayattempt+1 *1bzg/T<  
            if !rayv(n)                                              **************************** s.:r;%a  
                    numray = numray + 1 s;1e0n  
                    x = rayx(n) cPuHLwwYf  
                    y = rayy(n) _{Y$o'*#I  
                    if (x < xraymin) then xraymin = x _~A~+S}  
                    if (x > xraymax) then xraymax = x 9m8ee&,  
                    if (y < yraymin) then yraymin = y ? )_7U  
                    if (y > yraymax) then yraymax = y 0 d4cE10  
                    xraytot = xraytot + x G{o+R]Us  
                    yraytot = yraytot + y j=ihbR^]Tl  
            endif N9]xJgTze  
    endif A[H;WKn0  
    if py < 1.0 then goto 3 3LW[H+k  
    if px < 1.0 then goto 2 -H\,2FO  
    if numray ]l[2hy= cV  
            format 14.8 +'XhC#:  
            print "  X Centroid = ",xraytot/numray, hYb9`0G"2  
            print "  Y Centroid = ",yraytot/numray IN^_BKQt  
            print "  X Middle   = ",(xraymax+xraymin)/2, F=}Z51|:~  
            print "  Y Middle   = ",(yraymax+yraymin)/2 |sc Uo~  
            format .0 nwf7M#3d  
            print "  ",numray, " out of ", numrayattempt," rays made it through." {?i)K X^  
    else  YqU/\f+  
            print "  No rays made it through!" D9-Lg%  
    endif 2-v\3voN  
    f=f+1 ><Uk*mwL  
    if f<= nfld() then goto 1 ]k*1KP  
    print p)/ p!d[T/  
    print "All field positions done!" )N7n,_#T>  
    FORMAT 0.1 <TxC!{<  
    print "Elapsed time ", ETIM(), " seconds." 2U9&l1P=  
     
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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 #J$qa Ul  
    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 P5URvEnz:  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  OE"<!oIs  
    <qY5SV,  
    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 B8~= RmWLl