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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············· -ED} 6E  
    /"J 6``MV  
    macro 正文:········· .Wt3|?\=nd  
    ! centroid.zpl dQT[pNp:  
    ! ?98!2:'{9  
    ! Written by Kenneth Moore 9/1/92 \ Bj{.jL  
    ! Added TIMER function 4/18/96 u<8b5An;  
    ! %}(` ?  
    TIMER i&m_G5u88  
    ! hDi~{rbmc  
    ! The delta controls how many rays will be traced. A /a*){JQ5j  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ,c"J[$i$  
    ! bN-!&Td  
    delta = .025 ~1;M4K  
    ! "dP-e  
    print "This program computes the chief ray coordinates," S?CT6moXA  
    print "centroid coordinates, and middle coordinates for" Iuz_u2"C  
    print "the primary wave spot at each field position." U',C-56z  
    maxfield = maxf() `(HvD] l  
    if maxfield == 0 then maxfield = 1 FzEs1hpl  
    n = nsur() E"9(CjbQ[  
    f = 1 0U~$u  
    label 1 Q>D//_TF  
    hx = fldx(f)/maxfield I#xdksY  
    hy = fldy(f)/maxfield !`%j#bv  
    raytrace hx,hy,0,0 XfE0P(sE  
    format 10.4 /69yR   
    print MO$y st?fK  
    print "  X Field    = ", fldx(f), q83^?0WD  
    print "  Y Field    = ", fldy(f) #I?Z,;DI=  
    print "  X Chief    = ",rayx(n), .mfLHN%:  
    print "  Y Chief    = ",rayy(n) 27 XM&ZrZ  
    xraymax = -9e9 fD@d.8nXd  
    yraymax = -9e9 3F]Dh^IR9  
    xraymin =  9e9 8!|vp7/  
    yraymin =  9e9 IQU1 JVk Z  
    xraytot = 0 v4hrS\M  
    yraytot = 0 r'Wf4p^Xd  
    numray = 0 ke8g tbm  
    numrayattempt = 0 ( 0/M?YQF  
    px = -1 - delta kr+p&|.  
    label 2 Dx1(}D  
    px = px + delta ~\(c;J*Ir  
    py = -1 - delta 7YD+zd:  
    label 3 o)XrC   
    py = py + delta _|US`,kfc  
    rad = px*px + py*py O6NH  
    if rad <= 0.9999999 5@+?{Cl  
            raytrace hx, hy, px, py - (WH+  
            numrayattempt = numrayattempt+1 yVnG+R&  
            if !rayv(n)                                              **************************** AE>W$x8P  
                    numray = numray + 1 o3`U;@&u  
                    x = rayx(n) jUM'f24  
                    y = rayy(n) F}{%*EJ  
                    if (x < xraymin) then xraymin = x rmzzbLTu  
                    if (x > xraymax) then xraymax = x `$Rgn3  
                    if (y < yraymin) then yraymin = y lXTE#,XVf  
                    if (y > yraymax) then yraymax = y C0[U}Y/r2  
                    xraytot = xraytot + x 'UhHcMh:  
                    yraytot = yraytot + y QNOdt2NN  
            endif  .x%w#  
    endif i*/i"W<  
    if py < 1.0 then goto 3 1v|-+p42  
    if px < 1.0 then goto 2 0&s a#g2  
    if numray *JDz0M4f  
            format 14.8 ^O*-|ecA  
            print "  X Centroid = ",xraytot/numray, ,B'=$PO%  
            print "  Y Centroid = ",yraytot/numray te( H6c#0  
            print "  X Middle   = ",(xraymax+xraymin)/2, FA*$ dwp  
            print "  Y Middle   = ",(yraymax+yraymin)/2 `sqr>QD  
            format .0 %<-OdyM  
            print "  ",numray, " out of ", numrayattempt," rays made it through." [TOo 9W  
    else NH|I>vyN  
            print "  No rays made it through!" g8uqW1E^  
    endif x3&gB`j-  
    f=f+1 3!l>\#q6  
    if f<= nfld() then goto 1 fY9+m}$S$  
    print 0\:= KIY.  
    print "All field positions done!" }qso} WI  
    FORMAT 0.1 ,5v'hG  
    print "Elapsed time ", ETIM(), " seconds." y/\b0&  
     
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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]s+q  
    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 .\oW@2,RA9  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  \2 DED  
    sZ=!*tb-  
    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 uSXnf