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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············· 452kE@=49  
    B os`+Y  
    macro 正文:········· # euG$(  
    ! centroid.zpl /X.zt `  
    ! SDO:Gma  
    ! Written by Kenneth Moore 9/1/92 $&Vba@v  
    ! Added TIMER function 4/18/96 <i</pA  
    ! 6`Tx meIP  
    TIMER cYK:Y!|`F  
    ! L<@*6QH  
    ! The delta controls how many rays will be traced. A CO@G%1#  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. SR?mSpq5  
    ! O[t?*m1/  
    delta = .025 E-.X%xfO  
    ! ~nU9j"$  
    print "This program computes the chief ray coordinates," F<g&t|@  
    print "centroid coordinates, and middle coordinates for" rP7 QW)NF  
    print "the primary wave spot at each field position." VtI`Qc jc  
    maxfield = maxf() InbB2l4G  
    if maxfield == 0 then maxfield = 1 zu{K"7Bx  
    n = nsur() "/e)v{  
    f = 1  4bA^Gq  
    label 1 (JlPe)Q5  
    hx = fldx(f)/maxfield ~:7y!=8#  
    hy = fldy(f)/maxfield "NLuAB. P  
    raytrace hx,hy,0,0 EGt 50  
    format 10.4 L}rZ1wV6  
    print HP]5"ziA  
    print "  X Field    = ", fldx(f), CYy=f-  
    print "  Y Field    = ", fldy(f) =YgH-{  
    print "  X Chief    = ",rayx(n), N s0,Z#Z+  
    print "  Y Chief    = ",rayy(n) :Q("  
    xraymax = -9e9 mP }<{oh`x  
    yraymax = -9e9 mN]WjfII  
    xraymin =  9e9 #W)m({}  
    yraymin =  9e9 B;(U ?gC  
    xraytot = 0 M{G}-QK_.  
    yraytot = 0 T,9q~*"  
    numray = 0 f^1J_}cL  
    numrayattempt = 0 aq_K,li #w  
    px = -1 - delta {guOAT- w  
    label 2 e`g+Jf`AT  
    px = px + delta r+C4<-dT  
    py = -1 - delta )m;*d7l~p  
    label 3 W..*!UGl  
    py = py + delta LEPLoF3,  
    rad = px*px + py*py 2kVZlt'y  
    if rad <= 0.9999999 v[ML=pL  
            raytrace hx, hy, px, py H%Gz"  
            numrayattempt = numrayattempt+1 G$TO'Ciu:  
            if !rayv(n)                                              **************************** rN|=cn  
                    numray = numray + 1 o|h=M/  
                    x = rayx(n) VBi gUK4  
                    y = rayy(n) ^zV_ vB)n  
                    if (x < xraymin) then xraymin = x o=7,U/{D!  
                    if (x > xraymax) then xraymax = x hQj@D\}  
                    if (y < yraymin) then yraymin = y D#1R$4M=  
                    if (y > yraymax) then yraymax = y Y|r7gy9%  
                    xraytot = xraytot + x 41Q 5%2  
                    yraytot = yraytot + y R`<2DC>h9  
            endif YdO*5Gb6  
    endif $?W2'Xm!V  
    if py < 1.0 then goto 3 :5&D 6  
    if px < 1.0 then goto 2 ?} 8r h%  
    if numray i \NV<I  
            format 14.8 Ny7*MZ-  
            print "  X Centroid = ",xraytot/numray, /Z?o%/bw:  
            print "  Y Centroid = ",yraytot/numray =U*D.p*%f  
            print "  X Middle   = ",(xraymax+xraymin)/2, vc"!3x-G*  
            print "  Y Middle   = ",(yraymax+yraymin)/2 kqih`E9P7B  
            format .0 nQOdM#dP  
            print "  ",numray, " out of ", numrayattempt," rays made it through." [k%hl`}  
    else HBe*wkPd  
            print "  No rays made it through!" xSD*e 0  
    endif $|g1 _;(G  
    f=f+1 9F[3B`w  
    if f<= nfld() then goto 1 ^wBlQmW7J  
    print _-({MX[3k<  
    print "All field positions done!" >R]M:Wx  
    FORMAT 0.1 ULz<P  
    print "Elapsed time ", ETIM(), " seconds." %k4Qx5`?d  
     
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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 ! 1I# L!9  
    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 i5le0lM  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  =Ks&m4  
    Ux',ma1JK  
    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 8HLL3H0