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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············· Tk>#G{Wb-  
    ?(PKeq6  
    macro 正文:········· y(&Ac[foS}  
    ! centroid.zpl Z.WW(C.  
    ! d1*<Ll9K  
    ! Written by Kenneth Moore 9/1/92 TV:9bn?r)  
    ! Added TIMER function 4/18/96 #QPjk R|\  
    ! y9;Yiv r)  
    TIMER TseGXYH  
    ! : +u]S2u{  
    ! The delta controls how many rays will be traced. A z{6Z 11|  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 9ati`-y2  
    ! *_e3 @g  
    delta = .025 >usL*b0%  
    ! ZC ?Xqp  
    print "This program computes the chief ray coordinates," >sF)Bo Lc  
    print "centroid coordinates, and middle coordinates for" BWNi [^]  
    print "the primary wave spot at each field position." 83m3OD_y  
    maxfield = maxf() .VqhV  
    if maxfield == 0 then maxfield = 1 \^LFkp  
    n = nsur() +_`7G^U?%  
    f = 1 i@q&5;%%  
    label 1 #z(]xI)"  
    hx = fldx(f)/maxfield *hrvYil2b  
    hy = fldy(f)/maxfield }qUX=s GG  
    raytrace hx,hy,0,0 {_}I!`opr$  
    format 10.4 r^ XVB`v  
    print LP-o8c  
    print "  X Field    = ", fldx(f), |:o4w  
    print "  Y Field    = ", fldy(f) _GPe<H  
    print "  X Chief    = ",rayx(n), 3R/bz0 V>  
    print "  Y Chief    = ",rayy(n) fJ\[*5eiS  
    xraymax = -9e9 N#] ypl  
    yraymax = -9e9 F{wzB  
    xraymin =  9e9 yu|>t4#GT  
    yraymin =  9e9 JT?h1v<H]  
    xraytot = 0 eE Kf|I  
    yraytot = 0 :3PH8TL  
    numray = 0 46x'I(  
    numrayattempt = 0 AX INThJ  
    px = -1 - delta cNrg#Asen&  
    label 2 /1 dT+>  
    px = px + delta xk5 ]^yDp  
    py = -1 - delta h;Kx!5)y  
    label 3 }vuARZ>  
    py = py + delta Y2TtY;  
    rad = px*px + py*py :0/ 7,i  
    if rad <= 0.9999999 qK+5NF|  
            raytrace hx, hy, px, py b>W %t  
            numrayattempt = numrayattempt+1 -LSWmrj  
            if !rayv(n)                                              **************************** i%/+5gq  
                    numray = numray + 1 / FII07V  
                    x = rayx(n) FmW(CGs  
                    y = rayy(n) [^)g%|W  
                    if (x < xraymin) then xraymin = x (:_$5&i7  
                    if (x > xraymax) then xraymax = x do_[&  
                    if (y < yraymin) then yraymin = y m 5.Zu.  
                    if (y > yraymax) then yraymax = y ?< />Z)  
                    xraytot = xraytot + x 9?$i?  
                    yraytot = yraytot + y =l6mL+C  
            endif }k0_5S  
    endif I]575\bA  
    if py < 1.0 then goto 3 #WuBL_nZ~  
    if px < 1.0 then goto 2 29rX%09T]  
    if numray pmM9,6P4@  
            format 14.8 >z03{=sAN  
            print "  X Centroid = ",xraytot/numray, \bF{-"7.  
            print "  Y Centroid = ",yraytot/numray w xH7?tsf  
            print "  X Middle   = ",(xraymax+xraymin)/2, 5R-6ji  
            print "  Y Middle   = ",(yraymax+yraymin)/2 a#4?cEy  
            format .0 dG{A~Z z  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Ri{=]$  
    else _w{Qtj~s|  
            print "  No rays made it through!" \RiP  
    endif {=WgzP  
    f=f+1 .8R@2c`}Cs  
    if f<= nfld() then goto 1 6<]lW  
    print x Ar\gu  
    print "All field positions done!"  g(052]  
    FORMAT 0.1 S!UaH>Rh  
    print "Elapsed time ", ETIM(), " seconds." H)?z #x  
     
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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 \85i+q:LuA  
    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 !0+JbZ<%r|  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  a(nlTMfu  
    -RwE%  cr  
    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 r!v\"6:OM