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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············· \bfNki  
    a}=)b#T`  
    macro 正文:········· xe_c`%_  
    ! centroid.zpl |*8 J.H*r  
    ! 8vchLl#  
    ! Written by Kenneth Moore 9/1/92 ,@GI3bl  
    ! Added TIMER function 4/18/96 /y NU0/  
    ! %"{SGp  
    TIMER ! 5]/2  
    ! O~igwFe  
    ! The delta controls how many rays will be traced. A Nhuw8Xv  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. z i<C 5E`  
    ! E Xo"F*gW  
    delta = .025 ?L7z\b"_~  
    ! Vbz$dpT  
    print "This program computes the chief ray coordinates," Xo$(zGb  
    print "centroid coordinates, and middle coordinates for" %m{h1UQQ +  
    print "the primary wave spot at each field position." hfVJg7-  
    maxfield = maxf() OBu$T&  
    if maxfield == 0 then maxfield = 1 9'T nR[>  
    n = nsur() BK6oW3wD/  
    f = 1 ql^n=+U  
    label 1 PYW~x@]k%,  
    hx = fldx(f)/maxfield CSIW|R@   
    hy = fldy(f)/maxfield ys09W+B7  
    raytrace hx,hy,0,0 wR\%tumk  
    format 10.4 Br;1kQ%eC  
    print ".~,(*  
    print "  X Field    = ", fldx(f), Ptn0;GC  
    print "  Y Field    = ", fldy(f) MT}9T  
    print "  X Chief    = ",rayx(n), O*T(aM3r  
    print "  Y Chief    = ",rayy(n) jIg]?4bW[  
    xraymax = -9e9 >'7Icx  
    yraymax = -9e9 l g~Gkd6  
    xraymin =  9e9 `BF+)fs  
    yraymin =  9e9 arET2(h  
    xraytot = 0 :[,-wZiT~6  
    yraytot = 0 8FU8E2zo  
    numray = 0 `Z0FQ( r_  
    numrayattempt = 0 AwUcU;"9>  
    px = -1 - delta 1H{J T op  
    label 2 <V>]-bl/  
    px = px + delta sA#}0>`3S  
    py = -1 - delta <0T|RhbY   
    label 3 =g UOHH  
    py = py + delta 0EKi?vP@y7  
    rad = px*px + py*py xo a1='  
    if rad <= 0.9999999 o7;lR?  
            raytrace hx, hy, px, py ?^n),mR  
            numrayattempt = numrayattempt+1 @j=:V!g2O  
            if !rayv(n)                                              **************************** e ^2n58  
                    numray = numray + 1 #p*D.We  
                    x = rayx(n) -U.>K,M  
                    y = rayy(n) Qzt'ZK  
                    if (x < xraymin) then xraymin = x x+EkL3{  
                    if (x > xraymax) then xraymax = x u%!/-&?wF  
                    if (y < yraymin) then yraymin = y L7;8:^  v  
                    if (y > yraymax) then yraymax = y :m]H?vq] \  
                    xraytot = xraytot + x aS=-9P;v  
                    yraytot = yraytot + y [MhKR }a  
            endif \| &KD  
    endif g[';1}/B4  
    if py < 1.0 then goto 3 {bHUZen  
    if px < 1.0 then goto 2 4A"3C  
    if numray #9zpJ\E  
            format 14.8 Bs)'Gk`1  
            print "  X Centroid = ",xraytot/numray, <-;/,uu  
            print "  Y Centroid = ",yraytot/numray `i`+yh>pc#  
            print "  X Middle   = ",(xraymax+xraymin)/2, 4PjC[A*  
            print "  Y Middle   = ",(yraymax+yraymin)/2 i' V("  
            format .0 ,4:=n$e 0  
            print "  ",numray, " out of ", numrayattempt," rays made it through." ,.9k)\/V  
    else y^Uh<L0M  
            print "  No rays made it through!" d^MRu#]  
    endif _NefzZWUJ  
    f=f+1 !6!Gx:  
    if f<= nfld() then goto 1 )G#mC0?PV  
    print 76H>ST@G|  
    print "All field positions done!" P9`R~HO'`  
    FORMAT 0.1 I+=+ ,iXhB  
    print "Elapsed time ", ETIM(), " seconds." V6Mt;e)C  
     
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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 &rGB58  
    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 uMJ \  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  $@>0;i ::  
    Ho>Np&  
    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 A&Y5z[p