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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············· #UqE %g`J  
    q.d qr<  
    macro 正文:········· |DXi~  
    ! centroid.zpl G8Zl[8  
    ! d@+u&xrd  
    ! Written by Kenneth Moore 9/1/92 @8|i@S@4  
    ! Added TIMER function 4/18/96 C=P}@|K  
    ! $`"$ZI6[  
    TIMER O|0,= 5  
    ! 6G>loNM^  
    ! The delta controls how many rays will be traced. A YZ/2 :[b  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. qXB5wDJg  
    ! ;% l0Ml>  
    delta = .025 ;1Q @d  
    ! k, jcLX.  
    print "This program computes the chief ray coordinates," D<Z]kR(  
    print "centroid coordinates, and middle coordinates for" wRe2sjM  
    print "the primary wave spot at each field position." JYa3xeC;  
    maxfield = maxf() 3u1\zse  
    if maxfield == 0 then maxfield = 1 \-{2E  
    n = nsur() G5!!^p~  
    f = 1 ic?(`6N8  
    label 1 !'kr:r}gg  
    hx = fldx(f)/maxfield r5PZ=+F  
    hy = fldy(f)/maxfield ;~Q`TWC  
    raytrace hx,hy,0,0 MZdj!(hO  
    format 10.4 PS`F  
    print a- 7RJ.  
    print "  X Field    = ", fldx(f), rVDOco+w  
    print "  Y Field    = ", fldy(f) c=4z+_K  
    print "  X Chief    = ",rayx(n), <ua! ]~  
    print "  Y Chief    = ",rayy(n) P +Sgbtc  
    xraymax = -9e9 ~R~MC(5N[  
    yraymax = -9e9 D #C\| E:  
    xraymin =  9e9 'L G )78sk  
    yraymin =  9e9 (xMq(g  
    xraytot = 0 i6xzHfaYG  
    yraytot = 0 X6n8Bi9Ik  
    numray = 0 t9&=; s  
    numrayattempt = 0 "Q;Vy t  
    px = -1 - delta \r- v]]_<d  
    label 2 8,]wOxwqi  
    px = px + delta 4}*V=>z  
    py = -1 - delta -hZw.eChQa  
    label 3 ->J5|c#  
    py = py + delta e}2[g  
    rad = px*px + py*py X9ec*x  
    if rad <= 0.9999999 (FSa>  
            raytrace hx, hy, px, py sJm v{wM  
            numrayattempt = numrayattempt+1 L.% zs  
            if !rayv(n)                                              **************************** {5JYu  
                    numray = numray + 1  +Q+!#  
                    x = rayx(n) CiIIlE4  
                    y = rayy(n) SQDc%I>b  
                    if (x < xraymin) then xraymin = x kjOI7`DU  
                    if (x > xraymax) then xraymax = x E4xybVo@  
                    if (y < yraymin) then yraymin = y #kAk d-QY6  
                    if (y > yraymax) then yraymax = y FF#?x@N:  
                    xraytot = xraytot + x Q,R|VI6Co  
                    yraytot = yraytot + y >UV?n XP}  
            endif JUTlJyx8  
    endif phy:G}F6%  
    if py < 1.0 then goto 3 Ob|v$C  
    if px < 1.0 then goto 2 ]v0=jm5A  
    if numray gflO0$i  
            format 14.8 6V-JyTcxGI  
            print "  X Centroid = ",xraytot/numray, &}FWpo!  
            print "  Y Centroid = ",yraytot/numray 6' 9zpe@`  
            print "  X Middle   = ",(xraymax+xraymin)/2, u\=yY.   
            print "  Y Middle   = ",(yraymax+yraymin)/2 l/56;f\IA  
            format .0 6tup^Rlo;$  
            print "  ",numray, " out of ", numrayattempt," rays made it through." (_eM:H=e>  
    else %6TS_IpJ  
            print "  No rays made it through!" -Vj112 fI  
    endif K]ds2Kp&  
    f=f+1 M(W-\ L  
    if f<= nfld() then goto 1 kS)|oU K  
    print {$v>3FG  
    print "All field positions done!" q (}#{OO  
    FORMAT 0.1 3s_$.  
    print "Elapsed time ", ETIM(), " seconds." H@`lM~T[  
     
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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 XF99h&;9  
    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 q%wF=<W  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  1DM$FG_Z-  
    [,q^\T  
    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 3Tr}t.mt