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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············· YV{^2)^  
    *K57($F  
    macro 正文:········· J [k,S(Y  
    ! centroid.zpl '1 }ybSG  
    ! X%Lhu6F  
    ! Written by Kenneth Moore 9/1/92 z>6hK:27  
    ! Added TIMER function 4/18/96 j6JK4{  
    ! &tJ!cTA.-  
    TIMER LwI A4$d  
    ! O 7Z?y*  
    ! The delta controls how many rays will be traced. A UqA<rW  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. DO^ J=e  
    ! [Zpx :r}  
    delta = .025 C3]"y7  
    ! ;h-W&i7  
    print "This program computes the chief ray coordinates," UyUz_6J  
    print "centroid coordinates, and middle coordinates for" \Zgc [F  
    print "the primary wave spot at each field position." 0p31C7!  
    maxfield = maxf() MmbS ["A  
    if maxfield == 0 then maxfield = 1 :;g7T-_q  
    n = nsur() Fs3rsig  
    f = 1 MB!_G[R  
    label 1 2LTMt?  
    hx = fldx(f)/maxfield .,9e~6}  
    hy = fldy(f)/maxfield 0D s W1  
    raytrace hx,hy,0,0 =-m"y~{>3  
    format 10.4 O u-/dE%  
    print Po1/_# mu  
    print "  X Field    = ", fldx(f), XH`W(  
    print "  Y Field    = ", fldy(f) [Nw%fuB  
    print "  X Chief    = ",rayx(n), ceUhCb  
    print "  Y Chief    = ",rayy(n) z*w.A=r  
    xraymax = -9e9 |b+ZKRW  
    yraymax = -9e9 MV?#g-5  
    xraymin =  9e9 ^aONuG9  
    yraymin =  9e9 JnY.]:  
    xraytot = 0 L>>RboR}  
    yraytot = 0 N+9W2n  
    numray = 0 O!U8"Yr$  
    numrayattempt = 0 e a3f`z  
    px = -1 - delta n([9U0!gu  
    label 2 +I>V9%%vW_  
    px = px + delta t8?$q})RL  
    py = -1 - delta A0l-H/l7  
    label 3 QUO'{;,  
    py = py + delta iU/v; T(  
    rad = px*px + py*py &*YFK/]  
    if rad <= 0.9999999  v[+ ]  
            raytrace hx, hy, px, py ]=Dzr<*v  
            numrayattempt = numrayattempt+1 sd,KB+)  
            if !rayv(n)                                              **************************** #WlTE&  
                    numray = numray + 1 lvd `_+P$  
                    x = rayx(n) @d1YN]ede  
                    y = rayy(n) 8t5o&8v  
                    if (x < xraymin) then xraymin = x QnTKo&|9  
                    if (x > xraymax) then xraymax = x Q`m9I  
                    if (y < yraymin) then yraymin = y O\+b1+&b3Y  
                    if (y > yraymax) then yraymax = y !Pc&Sg  
                    xraytot = xraytot + x Fxx -2(U  
                    yraytot = yraytot + y Z4s+8cTHn  
            endif VxAG= E  
    endif 4G3u8)b=  
    if py < 1.0 then goto 3 HPc~wX  
    if px < 1.0 then goto 2 [aF"5G  
    if numray 9q]n &5  
            format 14.8 ]J^/`gc  
            print "  X Centroid = ",xraytot/numray, \#sdN#e;XA  
            print "  Y Centroid = ",yraytot/numray $z[@DB[  
            print "  X Middle   = ",(xraymax+xraymin)/2, Q.MbzSgXL  
            print "  Y Middle   = ",(yraymax+yraymin)/2 j_{f(.5  
            format .0 ?D_^8\R  
            print "  ",numray, " out of ", numrayattempt," rays made it through." )qua0'y]@  
    else ~Z:)Y*  
            print "  No rays made it through!" @:Emmzucv|  
    endif vI20G89E  
    f=f+1 r7jh)Q;BbR  
    if f<= nfld() then goto 1 {` ByZB  
    print "DC L Z  
    print "All field positions done!" >K!$@]2F  
    FORMAT 0.1 | r,{#EE  
    print "Elapsed time ", ETIM(), " seconds." `rest_vu  
     
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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 O$7cN\Z  
    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 !DD4Bqez  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  c9djBUAk&  
    y(O~=S+<  
    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 9m<%+ S5&