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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············· JhJLqb@q  
    k}U JVH21k  
    macro 正文:········· 2( _=SfQ  
    ! centroid.zpl ul=7>";=|  
    ! -dG,*0 >  
    ! Written by Kenneth Moore 9/1/92 3~<}bee5|q  
    ! Added TIMER function 4/18/96 1`QsW&9=b  
    ! "H?QqrKx  
    TIMER (u9Zk~)F  
    ! a_{6Qdl  
    ! The delta controls how many rays will be traced. A :,^>d3k  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. N~| t!G*9  
    ! \8>oJR 6  
    delta = .025 ;UpJ=?W  
    ! )x[HuIRaa  
    print "This program computes the chief ray coordinates," nB&j   
    print "centroid coordinates, and middle coordinates for" hfv%,,e  
    print "the primary wave spot at each field position." 7wi%j!  
    maxfield = maxf() "Yb y  
    if maxfield == 0 then maxfield = 1 8(Fu  
    n = nsur() ,E9d\+j  
    f = 1 Jn#K0( FQ  
    label 1 Hm4bN\%  
    hx = fldx(f)/maxfield P#*n3&Uu  
    hy = fldy(f)/maxfield Ia7D F'  
    raytrace hx,hy,0,0 Gkmsaf>  
    format 10.4 `)tA YH  
    print H#Q;"r3  
    print "  X Field    = ", fldx(f), hy!6g n  
    print "  Y Field    = ", fldy(f) rN#\AN  
    print "  X Chief    = ",rayx(n), agT7=hX].  
    print "  Y Chief    = ",rayy(n) x5F@ad 9  
    xraymax = -9e9 ,C:o`fQ\  
    yraymax = -9e9 $20s]ywS  
    xraymin =  9e9 &O*ENpF  
    yraymin =  9e9 eEP( ).  
    xraytot = 0 s#P:6]Ar  
    yraytot = 0 -l[jEJS}  
    numray = 0 iaRR5D-  
    numrayattempt = 0 M5O'=\+,F  
    px = -1 - delta K(3&27sGN  
    label 2 :\bfGSD/gd  
    px = px + delta O^NP0E  
    py = -1 - delta )E-E0Hl>7  
    label 3 _z]v<,=3M  
    py = py + delta }p{;^B  
    rad = px*px + py*py Bc[6*Y,%T  
    if rad <= 0.9999999 e1uMR-Q  
            raytrace hx, hy, px, py c[:Wf<% |  
            numrayattempt = numrayattempt+1 5#!ogKQ(i  
            if !rayv(n)                                              **************************** RJPcn)@l  
                    numray = numray + 1 &^+3er rO  
                    x = rayx(n) WHk/$7_"i  
                    y = rayy(n) VDa|U9N  
                    if (x < xraymin) then xraymin = x |D<+X^0'  
                    if (x > xraymax) then xraymax = x sg$4G:l  
                    if (y < yraymin) then yraymin = y KZ  )Ys  
                    if (y > yraymax) then yraymax = y n$W"=Z;`  
                    xraytot = xraytot + x xlw 2g<s  
                    yraytot = yraytot + y 0'@u!m?  
            endif 1ktHN: ta  
    endif v.b5iv5  
    if py < 1.0 then goto 3 L#ZLawG  
    if px < 1.0 then goto 2 Q!]IG;3Sx|  
    if numray 1i+FL''  
            format 14.8 WW6yFriuW  
            print "  X Centroid = ",xraytot/numray, pYh!]0n  
            print "  Y Centroid = ",yraytot/numray m}pL`:e!  
            print "  X Middle   = ",(xraymax+xraymin)/2, Mj'lASI  
            print "  Y Middle   = ",(yraymax+yraymin)/2 Q c3?}os2  
            format .0 X HQh4W3  
            print "  ",numray, " out of ", numrayattempt," rays made it through." G_+Ph^  
    else !.X _/$c  
            print "  No rays made it through!" #TATqzA  
    endif e?=elN  
    f=f+1 v F[CWV.  
    if f<= nfld() then goto 1 Pw  xIz  
    print ]#5^&w)'  
    print "All field positions done!" -#%X3F7/w  
    FORMAT 0.1 $m8leuo)  
    print "Elapsed time ", ETIM(), " seconds." 8 }z3CuM  
     
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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 ZOn_dYjC  
    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 !h*B (,  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  BtID;^D z  
    N2% :h;tf  
    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 YMK>+y[+4