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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············· Bhp-jq'!B  
    '{ V0M<O  
    macro 正文:········· i-6F:\;  
    ! centroid.zpl [`rba'  
    ! b+&% 1C  
    ! Written by Kenneth Moore 9/1/92 -Ty*aov  
    ! Added TIMER function 4/18/96 Y[K*57fs  
    ! % <q w  
    TIMER P)MDPI+~  
    ! ZsOIH<}S  
    ! The delta controls how many rays will be traced. A '-"/ =j&d[  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. #EsNeBu  
    ! 0iwZT&O  
    delta = .025 K3x.RQQ-  
    ! H s"HID  
    print "This program computes the chief ray coordinates," Ou1JIxZ)|  
    print "centroid coordinates, and middle coordinates for" 8'4S8DM  
    print "the primary wave spot at each field position." :kf`?u  
    maxfield = maxf() Wu_kx2h  
    if maxfield == 0 then maxfield = 1 ?`#/ 8PN  
    n = nsur() 30.@g[~  
    f = 1 eK!V );  
    label 1 Y~(Md@!0S  
    hx = fldx(f)/maxfield FWHNj.r  
    hy = fldy(f)/maxfield ?Vdia:  
    raytrace hx,hy,0,0 o)2W`i&  
    format 10.4 2g>SHS@1>  
    print Oms. e  
    print "  X Field    = ", fldx(f), o17ekML  
    print "  Y Field    = ", fldy(f) -cSP _1  
    print "  X Chief    = ",rayx(n), _Gjk;|Sx<I  
    print "  Y Chief    = ",rayy(n) p-/|mL  
    xraymax = -9e9 CCWg{*og  
    yraymax = -9e9 *?Kr*]dnLl  
    xraymin =  9e9 ^n"OL*ipG  
    yraymin =  9e9 tP2qK_\e=  
    xraytot = 0 Qe5U<3{JZ  
    yraytot = 0 m:WyuU<  
    numray = 0 m$W <  
    numrayattempt = 0 t7?Zxq  
    px = -1 - delta eQD)$d_5  
    label 2 6^"=dn6K  
    px = px + delta 846$x$G4  
    py = -1 - delta q"<acqK  
    label 3 Xp8]qH|K   
    py = py + delta .D: Z{|.1  
    rad = px*px + py*py '=G|Sq^aO  
    if rad <= 0.9999999 KB'qRnkc  
            raytrace hx, hy, px, py $d)ca9  
            numrayattempt = numrayattempt+1 cnFI &,FM  
            if !rayv(n)                                              **************************** 8qu2iPOcZ  
                    numray = numray + 1 Tp-l^?O-p  
                    x = rayx(n) |*'cF-lp6v  
                    y = rayy(n) !>e5z|1   
                    if (x < xraymin) then xraymin = x ,>eMG=C;g  
                    if (x > xraymax) then xraymax = x krC{ed  
                    if (y < yraymin) then yraymin = y ~D5\O6mU-  
                    if (y > yraymax) then yraymax = y k25WucQ  
                    xraytot = xraytot + x =|%Cu&  
                    yraytot = yraytot + y CO2C{~Q5  
            endif JoN\]JL\,  
    endif !\"5rNy  
    if py < 1.0 then goto 3 bVL9vNK  
    if px < 1.0 then goto 2 bBS,-vN  
    if numray %d>=+Ds[  
            format 14.8 _&j}<K$- (  
            print "  X Centroid = ",xraytot/numray, =R Ah|e  
            print "  Y Centroid = ",yraytot/numray Zuw?58RE\  
            print "  X Middle   = ",(xraymax+xraymin)/2, )d$glI+  
            print "  Y Middle   = ",(yraymax+yraymin)/2 -R%<.]fJ  
            format .0 ni6{pK4Wqm  
            print "  ",numray, " out of ", numrayattempt," rays made it through." ]"1`+q6i  
    else N\#MwLm  
            print "  No rays made it through!" *hQTO=WF  
    endif g|<]B$yN#  
    f=f+1 @:U+9[  
    if f<= nfld() then goto 1 q*7zx_ o  
    print %ix)8+Eb  
    print "All field positions done!" }p!HT6 tZ  
    FORMAT 0.1 hlJq-*6'  
    print "Elapsed time ", ETIM(), " seconds." t7m>A-I  
     
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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 ;w%*M}`5  
    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 J8"[6vId~  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  Qq@G\eRo  
    4_UU<GEp  
    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 (Si=m;g