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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············· W~R_- ]k@g  
    H| IsjCc  
    macro 正文:········· rHN>fySn7  
    ! centroid.zpl 7;c{lQOj}  
    ! Fx)]AJ~[t  
    ! Written by Kenneth Moore 9/1/92 _MnMT9  
    ! Added TIMER function 4/18/96 b(K.p?bt  
    ! IRXpk 6|  
    TIMER &V iIxJZ1$  
    ! "RZ)pav?  
    ! The delta controls how many rays will be traced. A C+O`3wPZp  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. >q4nQ/eP  
    ! vy6NH5Q  
    delta = .025 (\#j3Y)r  
    ! (w@|:0t^y[  
    print "This program computes the chief ray coordinates," M[HPHNsA&  
    print "centroid coordinates, and middle coordinates for" ?=f\oH$  
    print "the primary wave spot at each field position." F0]= z-  
    maxfield = maxf() QMHeU>  
    if maxfield == 0 then maxfield = 1 9sJbz=o]r  
    n = nsur() Wf>UI)^n  
    f = 1 7ugmZO}lL  
    label 1 1rTA0+h  
    hx = fldx(f)/maxfield :cIE8<\%  
    hy = fldy(f)/maxfield fM \T^X  
    raytrace hx,hy,0,0 nvgo6*  
    format 10.4 !|,=rM9x  
    print ~r&Q\G  
    print "  X Field    = ", fldx(f), H;Z{R@kf  
    print "  Y Field    = ", fldy(f) <&b ~(f  
    print "  X Chief    = ",rayx(n), 7A7K:,c  
    print "  Y Chief    = ",rayy(n) 2 R1S>X  
    xraymax = -9e9 g)xzy^2e  
    yraymax = -9e9 %|r@q  
    xraymin =  9e9 Mp"] =  
    yraymin =  9e9 d<fS52~l  
    xraytot = 0 ZVgR7+`]#  
    yraytot = 0 1b* dC;<  
    numray = 0 oa1&9  
    numrayattempt = 0 RSzp-sKB  
    px = -1 - delta GsE?<3  
    label 2 q{n~s=  
    px = px + delta e7pN9tXGf  
    py = -1 - delta 7q$9\RR5  
    label 3 /8J2,8vZ  
    py = py + delta )<IbQH|_  
    rad = px*px + py*py D[:7B:i  
    if rad <= 0.9999999 K#+TCZ,  
            raytrace hx, hy, px, py &!KJrQ  
            numrayattempt = numrayattempt+1 2ggW4`"c  
            if !rayv(n)                                              **************************** "x3_cA~  
                    numray = numray + 1 ",Ek| z  
                    x = rayx(n) R*VZ=i  
                    y = rayy(n) E(8O3*=  
                    if (x < xraymin) then xraymin = x I`DdhMi7  
                    if (x > xraymax) then xraymax = x QO%>RG  
                    if (y < yraymin) then yraymin = y _mA[^G=gY  
                    if (y > yraymax) then yraymax = y Tb:n6a@  
                    xraytot = xraytot + x {RwwSqJ  
                    yraytot = yraytot + y I{B8'n{cN  
            endif "c1vW<;  
    endif ls 'QfJm  
    if py < 1.0 then goto 3 V +*Vi^  
    if px < 1.0 then goto 2 ww+XE2,  
    if numray ax'Dp{Q  
            format 14.8 u&2uQ-T0  
            print "  X Centroid = ",xraytot/numray, wz>j>e6k`  
            print "  Y Centroid = ",yraytot/numray i&Xr+Zsec"  
            print "  X Middle   = ",(xraymax+xraymin)/2, c\]h YKA  
            print "  Y Middle   = ",(yraymax+yraymin)/2 h, +2Mc<  
            format .0 &'T7 ~M:  
            print "  ",numray, " out of ", numrayattempt," rays made it through." g7_a8_  
    else BU]9eF!>h  
            print "  No rays made it through!" \AkeC6[D  
    endif )x?F1/  
    f=f+1 {lx^57v  
    if f<= nfld() then goto 1 Ca?pK_Y  
    print B6OggJ9Iq  
    print "All field positions done!" dKZffDTZ  
    FORMAT 0.1 VUagZ 7p  
    print "Elapsed time ", ETIM(), " seconds." vJmE}  
     
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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 N ?0V0B  
    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 y$K!g&lGA  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  /_aFQ>.4n  
    V. \do"m  
    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 |SQ5Sb