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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············· 3xzkZ8]/  
    rXY;m-  
    macro 正文:········· cZgMA8 F  
    ! centroid.zpl 2sqm7th  
    ! ',JrY)  
    ! Written by Kenneth Moore 9/1/92 2<'`^AO@  
    ! Added TIMER function 4/18/96 Lvi[*une|  
    ! gE@$~Q>M  
    TIMER /BMtcCPG!  
    ! Ts(t:^  
    ! The delta controls how many rays will be traced. A oe!:|ck<  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. y7JZKtsFA  
    ! `k(u:yGK  
    delta = .025 l801` ~*gO  
    ! JAlU%n?R  
    print "This program computes the chief ray coordinates," !8Z2X!$m{<  
    print "centroid coordinates, and middle coordinates for" zb5N,!%r  
    print "the primary wave spot at each field position." W}XYmF*_?  
    maxfield = maxf() _\dt?(m|  
    if maxfield == 0 then maxfield = 1 8M^wuRn  
    n = nsur() o3n3URu\  
    f = 1 L`UG=7r q  
    label 1 K DYYB6|  
    hx = fldx(f)/maxfield iW|s|1mh3  
    hy = fldy(f)/maxfield PMgQxM*h  
    raytrace hx,hy,0,0 !TP6=ks  
    format 10.4 ?&znUoB  
    print z wL3,!t  
    print "  X Field    = ", fldx(f), >[ug zJ  
    print "  Y Field    = ", fldy(f) a`H\-G  
    print "  X Chief    = ",rayx(n), .3VK;au\\  
    print "  Y Chief    = ",rayy(n) 60GFVF]'2  
    xraymax = -9e9 |JUe>E*  
    yraymax = -9e9 E-~mOYea  
    xraymin =  9e9 8zdT9y|Ig  
    yraymin =  9e9 $ph0ag+  
    xraytot = 0 fyI_  
    yraytot = 0 i`prv&  
    numray = 0  YywEZ?X  
    numrayattempt = 0 ajn-KG!A  
    px = -1 - delta "~u_\STn <  
    label 2 ?ork^4 $s  
    px = px + delta [6D>f?z  
    py = -1 - delta J &!B|TS  
    label 3 zKLn!b#>  
    py = py + delta Dp*:Q){>E  
    rad = px*px + py*py ]o-Fi$h!  
    if rad <= 0.9999999 )`w=qCn1Y  
            raytrace hx, hy, px, py 6W5d7`A  
            numrayattempt = numrayattempt+1 U1l0Uke  
            if !rayv(n)                                              **************************** Kw)K A^KF  
                    numray = numray + 1 o2DtCU-A  
                    x = rayx(n) xE%O:a?S  
                    y = rayy(n) !#q{Z>H`  
                    if (x < xraymin) then xraymin = x $[,l-[-+  
                    if (x > xraymax) then xraymax = x }wG,BB%N  
                    if (y < yraymin) then yraymin = y 2Ok?@ZdjA{  
                    if (y > yraymax) then yraymax = y a`#S|'oatC  
                    xraytot = xraytot + x bSQRLxF  
                    yraytot = yraytot + y Cz_AJ-WR  
            endif *|mz_cKu  
    endif J"-_{)0lD  
    if py < 1.0 then goto 3 ITONpg[f  
    if px < 1.0 then goto 2 yI8 SQ$w0y  
    if numray 7Yuk  
            format 14.8 A8J8u,u9  
            print "  X Centroid = ",xraytot/numray, 5O&d3;p'  
            print "  Y Centroid = ",yraytot/numray C` pp  
            print "  X Middle   = ",(xraymax+xraymin)/2, "Nbos.a]5  
            print "  Y Middle   = ",(yraymax+yraymin)/2 'Q5&5UrBr  
            format .0 KxY$PgcC  
            print "  ",numray, " out of ", numrayattempt," rays made it through." <P1rqM9^  
    else U R}kB&t  
            print "  No rays made it through!" l]H0g[  
    endif lX"bN=E?!  
    f=f+1 c<?[d!vI  
    if f<= nfld() then goto 1 G]4OFz+  
    print 0Q'v HZ"  
    print "All field positions done!" H)E^!eo  
    FORMAT 0.1 > @+#  
    print "Elapsed time ", ETIM(), " seconds." S_2"7  
     
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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 'seyD  
    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 l-Nly>~  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  p!zJ;rh)  
    $bsH$N#6T  
    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 6l\FIah@