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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············· 5"sd  
    ]31>0yj[Q  
    macro 正文:········· )j,Y(V$P  
    ! centroid.zpl Y"H'BT!b}  
    ! =&T%Jm}  
    ! Written by Kenneth Moore 9/1/92 xVxN @[  
    ! Added TIMER function 4/18/96 ly[j=vBV  
    ! RN^<bt{_U  
    TIMER $8>kk  
    ! (aC~0 #4  
    ! The delta controls how many rays will be traced. A =/5^/vwgY  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. <+y%k~("  
    ! ycq+C8J+Ep  
    delta = .025 !$u:_8  
    ! 0oK_uY 4g  
    print "This program computes the chief ray coordinates," 35Ro8 5j  
    print "centroid coordinates, and middle coordinates for" =kzuU1s  
    print "the primary wave spot at each field position." rEHlo[7^  
    maxfield = maxf() :o3>  
    if maxfield == 0 then maxfield = 1 pO?v$Rjl  
    n = nsur() `T\_Wje(  
    f = 1  p!> 5}f6  
    label 1 _D 9/,n$  
    hx = fldx(f)/maxfield o5B]?ekpq  
    hy = fldy(f)/maxfield v6U Gr4  
    raytrace hx,hy,0,0 Q~R%|Q{&  
    format 10.4 %1mIngW=g  
    print _V`F_C\\#  
    print "  X Field    = ", fldx(f), XX7zm_>+  
    print "  Y Field    = ", fldy(f) MgO_gFr  
    print "  X Chief    = ",rayx(n), A)#w~X4  
    print "  Y Chief    = ",rayy(n) ~xLo0EV "  
    xraymax = -9e9 %W}YtDf\  
    yraymax = -9e9 F/SYmNp  
    xraymin =  9e9 R$h B9BK  
    yraymin =  9e9 FMX ^k  
    xraytot = 0 >,x&L[3  
    yraytot = 0 l{I.l  
    numray = 0 |&"/u7^  
    numrayattempt = 0 d>gQgQ;g  
    px = -1 - delta !J&UO/q.  
    label 2 8-_atL  
    px = px + delta H Y~[/H+:  
    py = -1 - delta 2T?8{yO7  
    label 3 ::p%R@?  
    py = py + delta ;il+C!6zpf  
    rad = px*px + py*py A("\m>g$b  
    if rad <= 0.9999999 o2D;EUsNX  
            raytrace hx, hy, px, py e'yw8U5E/  
            numrayattempt = numrayattempt+1 wpWZn[j  
            if !rayv(n)                                              **************************** %Rt 5$+dNT  
                    numray = numray + 1 NR,R.N^[  
                    x = rayx(n) oI5^.Dr FW  
                    y = rayy(n) 8d?%9# p-)  
                    if (x < xraymin) then xraymin = x !hFzIp  
                    if (x > xraymax) then xraymax = x e45)t}'  
                    if (y < yraymin) then yraymin = y nx(jYXVT  
                    if (y > yraymax) then yraymax = y \sAkKPI  
                    xraytot = xraytot + x rf^ u&f  
                    yraytot = yraytot + y 3*T/ 7\  
            endif c|@OD3w2lM  
    endif Dz,|sHCmk  
    if py < 1.0 then goto 3 ;}lsD1S:  
    if px < 1.0 then goto 2 Wf3{z D~  
    if numray #qu;{I#W3  
            format 14.8 YSzC's[  
            print "  X Centroid = ",xraytot/numray, Fh/psd  
            print "  Y Centroid = ",yraytot/numray |!81M|H  
            print "  X Middle   = ",(xraymax+xraymin)/2, ;eJ|) *  
            print "  Y Middle   = ",(yraymax+yraymin)/2 PWeWz(]0Z4  
            format .0 t33\f<e  
            print "  ",numray, " out of ", numrayattempt," rays made it through." z6Fl$FFP  
    else %ikPz~(  
            print "  No rays made it through!" ![!,i\x  
    endif 1LaJ hrp?  
    f=f+1 w`EC6ZN  
    if f<= nfld() then goto 1 Pv=]7> e  
    print ._]*Y`5)d  
    print "All field positions done!" i%GiWanG  
    FORMAT 0.1 2%v6h  
    print "Elapsed time ", ETIM(), " seconds." guVuO  
     
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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 D-D8La?0p  
    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 I~E&::,  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  D><^7nr%  
    @ *uZ+$  
    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 kY9$ M8b