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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············· `M~R4lr  
    <M\&zHv  
    macro 正文:········· gaN/ kp  
    ! centroid.zpl UIDeMz  
    ! g}!{_z  
    ! Written by Kenneth Moore 9/1/92 JDf>Qg{  
    ! Added TIMER function 4/18/96 6y!U68L;B  
    ! U4 *u|A  
    TIMER NsI.mTc2  
    ! 7c"Csq/]I  
    ! The delta controls how many rays will be traced. A 1\}XL=BE  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. %%ouf06.|  
    ! o/3.U=px~  
    delta = .025 =4`wYh  
    ! fY^CI b$Y  
    print "This program computes the chief ray coordinates," +D5gbxZX  
    print "centroid coordinates, and middle coordinates for" t Cb34Wpf  
    print "the primary wave spot at each field position." (s&:D`e  
    maxfield = maxf() %|e)s_%XE  
    if maxfield == 0 then maxfield = 1 =/K)hI!u  
    n = nsur() eP" B3Jw  
    f = 1 @'>RGaPV  
    label 1 0GxJja  
    hx = fldx(f)/maxfield YyYZD{^  
    hy = fldy(f)/maxfield FD[*Q2fU  
    raytrace hx,hy,0,0 N&   
    format 10.4 FzEs1hpl  
    print A:Wr5`FJ  
    print "  X Field    = ", fldx(f), E"9(CjbQ[  
    print "  Y Field    = ", fldy(f) <y8oYe_!  
    print "  X Chief    = ",rayx(n), ntLEk fK{  
    print "  Y Chief    = ",rayy(n) T#Q7L~?zY  
    xraymax = -9e9 f2[R2sto@  
    yraymax = -9e9 ?fH1?Z\'K  
    xraymin =  9e9 hu$eO'M_  
    yraymin =  9e9 $M)SsD~  
    xraytot = 0 hlL$3.]  
    yraytot = 0 =s!0EwDH3  
    numray = 0 ~bkO8tn  
    numrayattempt = 0 2b7-=/[6  
    px = -1 - delta q;bw }4  
    label 2 Xr=BxBttp  
    px = px + delta I'*,<BPG  
    py = -1 - delta \}4Y]xjV2  
    label 3 CPZ,sWg5  
    py = py + delta kf>3T@  
    rad = px*px + py*py 3" m]A/6C}  
    if rad <= 0.9999999 -XXsob}/8  
            raytrace hx, hy, px, py lv=q( &  
            numrayattempt = numrayattempt+1 RAl/p9\A+  
            if !rayv(n)                                              **************************** #WZat ?-N  
                    numray = numray + 1 FWJ**J  
                    x = rayx(n) !.,J;Qt  
                    y = rayy(n) Ik^^8@z  
                    if (x < xraymin) then xraymin = x .Pj<Pe  
                    if (x > xraymax) then xraymax = x [hSJ)IZh  
                    if (y < yraymin) then yraymin = y h#Z[ "BG  
                    if (y > yraymax) then yraymax = y aC`>~uX##V  
                    xraytot = xraytot + x VIdKe&,  
                    yraytot = yraytot + y i[9yu-  
            endif jUM'f24  
    endif ;>mM9^Jaf  
    if py < 1.0 then goto 3 l#enbQ`-~  
    if px < 1.0 then goto 2 H2%Qu<Kg2  
    if numray Hghd Ts  
            format 14.8 ?'0!>EjY"  
            print "  X Centroid = ",xraytot/numray, <4.Exha;=  
            print "  Y Centroid = ",yraytot/numray Fn .J tIu  
            print "  X Middle   = ",(xraymax+xraymin)/2, vY_[@y  
            print "  Y Middle   = ",(yraymax+yraymin)/2 h_?`ESI~  
            format .0 ;ZUj2WxE  
            print "  ",numray, " out of ", numrayattempt," rays made it through." s>o#Ob@4'  
    else SbGdcCB  
            print "  No rays made it through!" T='uqKW\  
    endif y@l&B+2ks  
    f=f+1 0Q a 0  
    if f<= nfld() then goto 1 BeLD`4K  
    print JD#q6 &|  
    print "All field positions done!" j yD3Sa3  
    FORMAT 0.1 : wS&3:h  
    print "Elapsed time ", ETIM(), " seconds." %4m Nk}tyH  
     
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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 RJ@79L *#  
    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 >KuNHuHu  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  u!D?^:u=)  
    ivgX o'=  
    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 9<rs3 84