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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············· K5 Z'kkOk  
    t{O2JF#5u  
    macro 正文:········· BoofJm  
    ! centroid.zpl /;`-[   
    !  5 c1{[  
    ! Written by Kenneth Moore 9/1/92 `A$zLqz)Vm  
    ! Added TIMER function 4/18/96 +,J!xy+~,  
    ! K&up1nZ@(  
    TIMER y>& s;  
    ! Duq.`XO  
    ! The delta controls how many rays will be traced. A YRU#/TP  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. S~V?Qe@&Z  
    ! 8 )= "Ee  
    delta = .025 J:0`*7  
    ! _nec6=S6(  
    print "This program computes the chief ray coordinates," [~k!wipK  
    print "centroid coordinates, and middle coordinates for" 2 5I a  
    print "the primary wave spot at each field position." >(a[b@[K  
    maxfield = maxf() tTPjCl  
    if maxfield == 0 then maxfield = 1 g]U! ]  
    n = nsur() goc"+ K  
    f = 1 +g% Ah  
    label 1 /}=cv>S5V  
    hx = fldx(f)/maxfield S{zl <>+  
    hy = fldy(f)/maxfield JjQ9AJ?-V  
    raytrace hx,hy,0,0 H'x_}y  
    format 10.4 ]9~6lx3/  
    print aV G4D f  
    print "  X Field    = ", fldx(f), x_#'6H\1ga  
    print "  Y Field    = ", fldy(f) %R?#Y1Tq;  
    print "  X Chief    = ",rayx(n), eKL3Y_5p@  
    print "  Y Chief    = ",rayy(n) >/y+;<MZ  
    xraymax = -9e9 K<fB]44Y  
    yraymax = -9e9 iH)-8Q  
    xraymin =  9e9 ;D}E/' =  
    yraymin =  9e9 X,`e1nsR  
    xraytot = 0 lfte   
    yraytot = 0 IvM>z03  
    numray = 0 E*8).'S%k  
    numrayattempt = 0 !6eF8T  
    px = -1 - delta Pi=B\=gs  
    label 2 Z)G@ahO Q  
    px = px + delta y-o54e$4Cq  
    py = -1 - delta <Y^)/ s  
    label 3 EN)0b,ax  
    py = py + delta xd^9R<  
    rad = px*px + py*py U Kf0cU  
    if rad <= 0.9999999 3=IY0Q>/(  
            raytrace hx, hy, px, py N683!wNX  
            numrayattempt = numrayattempt+1 F"t.ND  
            if !rayv(n)                                              **************************** Ky)*6QOw  
                    numray = numray + 1 Hq "l`  
                    x = rayx(n) h2vD*W  
                    y = rayy(n)  B q7Qbj  
                    if (x < xraymin) then xraymin = x K7]QgfpSZ  
                    if (x > xraymax) then xraymax = x }&LLo  
                    if (y < yraymin) then yraymin = y 2~QN#u|UC3  
                    if (y > yraymax) then yraymax = y ,5P tB]8&3  
                    xraytot = xraytot + x pSS8 %r%S'  
                    yraytot = yraytot + y L+NrU+:=C  
            endif LRv[,]b  
    endif S&F  
    if py < 1.0 then goto 3 '<&rMn  
    if px < 1.0 then goto 2 N m@UM*D  
    if numray @xN)mi  
            format 14.8 >jpk R  
            print "  X Centroid = ",xraytot/numray, z460a[Wl  
            print "  Y Centroid = ",yraytot/numray l6< bV#_qe  
            print "  X Middle   = ",(xraymax+xraymin)/2, 9v(k<('_  
            print "  Y Middle   = ",(yraymax+yraymin)/2 X>ck.}F  
            format .0 ]McDN[h:  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 6|]e}I@<2  
    else Ogp@!  
            print "  No rays made it through!" p/'09FY+U  
    endif p=] z`t  
    f=f+1 7kh(WtUz  
    if f<= nfld() then goto 1 y/!jC]!+c  
    print j~k+d$a  
    print "All field positions done!" L] !M1\  
    FORMAT 0.1 0Y9fK? (  
    print "Elapsed time ", ETIM(), " seconds." I'%ASZ  
     
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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 03a<Cd/S  
    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 >j_N6B!  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  E 9v<VoNP`  
    $W0O  
    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 }B@44HdY