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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············· /| GH0L  
    nu 7lh6o=  
    macro 正文:········· @P70W<<  
    ! centroid.zpl DPPS?~Pq  
    ! %aLCH\e  
    ! Written by Kenneth Moore 9/1/92 IvSn>o  
    ! Added TIMER function 4/18/96 ;nf&c;D  
    ! /VtlG+dLl  
    TIMER i]M"Cu*  
    ! -lp"#^ ;  
    ! The delta controls how many rays will be traced. A 5^|"_Q#:  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. U?6yke  
    ! g3a/;wl  
    delta = .025 !"(u_dFw  
    ! ?cBO6^  
    print "This program computes the chief ray coordinates," i_YW;x  
    print "centroid coordinates, and middle coordinates for" J8h7e}n?  
    print "the primary wave spot at each field position." .wri5  
    maxfield = maxf() -h9#G{2W[  
    if maxfield == 0 then maxfield = 1 +wts 7,3  
    n = nsur() e-!?[Ujv*%  
    f = 1 <[8@5?&&  
    label 1 pDhY%w#  
    hx = fldx(f)/maxfield ]|BojSL_  
    hy = fldy(f)/maxfield C@)pmSQ  
    raytrace hx,hy,0,0 |J?:91  
    format 10.4 As}eUm)B5c  
    print ZV#$Z  
    print "  X Field    = ", fldx(f), .P%ym~S  
    print "  Y Field    = ", fldy(f) f#mx:Q.7I  
    print "  X Chief    = ",rayx(n), V(I7*_ZFl  
    print "  Y Chief    = ",rayy(n) Z%;)@0~f  
    xraymax = -9e9 \Jf9npz3  
    yraymax = -9e9 ;r@!a!NLB  
    xraymin =  9e9 GRQ_+K  
    yraymin =  9e9 4a 4N C  
    xraytot = 0 ~1d!hq?/q  
    yraytot = 0 THr8o V5  
    numray = 0 .S6ji~;r  
    numrayattempt = 0 #jgqkMOd,j  
    px = -1 - delta -XLo0  
    label 2 -4%]QS  
    px = px + delta 2mLUdx~c  
    py = -1 - delta wVQdUtmk  
    label 3 q'2`0MRa  
    py = py + delta [lOf|^9  
    rad = px*px + py*py yYBNH1  
    if rad <= 0.9999999 Np)ho8zU  
            raytrace hx, hy, px, py @bY?$fj_u  
            numrayattempt = numrayattempt+1 # hZQ>zcF  
            if !rayv(n)                                              **************************** .5^a;`-+  
                    numray = numray + 1 iW;}%$lVX  
                    x = rayx(n) m1i4,  
                    y = rayy(n) ])S$x{.g  
                    if (x < xraymin) then xraymin = x G#'Q~N  
                    if (x > xraymax) then xraymax = x +>u>`|  
                    if (y < yraymin) then yraymin = y Y}K!`~n1S  
                    if (y > yraymax) then yraymax = y KZW'O b>[  
                    xraytot = xraytot + x 8T<@ @6`T  
                    yraytot = yraytot + y y]<#%Fh  
            endif PM8Ks?P#u  
    endif n{L:MT9TD  
    if py < 1.0 then goto 3 `i9N )3 X  
    if px < 1.0 then goto 2 @kz!{g]Sn  
    if numray k*OvcYL1A  
            format 14.8 TZj[O1E  
            print "  X Centroid = ",xraytot/numray, [u7 vY@  
            print "  Y Centroid = ",yraytot/numray * *.:)  
            print "  X Middle   = ",(xraymax+xraymin)/2, u7n[f@Eg,%  
            print "  Y Middle   = ",(yraymax+yraymin)/2 T G_bje  
            format .0 }2h't.Z<u  
            print "  ",numray, " out of ", numrayattempt," rays made it through." k06xz#pL  
    else =MCNCV/<  
            print "  No rays made it through!" g;l'VA3v  
    endif MSK'2+1T@g  
    f=f+1 Q:pzL "bT  
    if f<= nfld() then goto 1 .#sz|0  
    print W  _J&M4  
    print "All field positions done!" _yNT=#/  
    FORMAT 0.1 luibB&p1  
    print "Elapsed time ", ETIM(), " seconds." zuk"  
     
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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 c6t2Q6zV  
    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 L v  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  G A'*58  
    yonJd  
    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 1.hOE>A%