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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············· Y7`Dx'x  
    GGFrV8  
    macro 正文:········· MA v-#  
    ! centroid.zpl x^ sTGd  
    ! 3.%jet1  
    ! Written by Kenneth Moore 9/1/92 ~P9^4  
    ! Added TIMER function 4/18/96 bbWW|PtWwP  
    ! l+?sR<e?!  
    TIMER Qa1G0qMEIF  
    ! x!UGLL]_M  
    ! The delta controls how many rays will be traced. A 8+~'T|  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 3UJSK+d\  
    ! lV?OYS|4i  
    delta = .025 --TY[b  
    ! K Z0%J5  
    print "This program computes the chief ray coordinates," 5ma~Pjt8}  
    print "centroid coordinates, and middle coordinates for" XMpE|M! c  
    print "the primary wave spot at each field position." !3o]mBH8  
    maxfield = maxf() 2X=*;r"{J  
    if maxfield == 0 then maxfield = 1 m_UzmWF  
    n = nsur() 5I5#LQv0  
    f = 1 -yY]0  
    label 1 ))uki*UNK  
    hx = fldx(f)/maxfield %UCuI9  
    hy = fldy(f)/maxfield ~-NlTx  
    raytrace hx,hy,0,0 , ins/-3  
    format 10.4 s?&UFyYb,  
    print )eBCO~HS  
    print "  X Field    = ", fldx(f), )(`,!s,8)  
    print "  Y Field    = ", fldy(f) !(qaudX{>k  
    print "  X Chief    = ",rayx(n), =UF mN"  
    print "  Y Chief    = ",rayy(n) /x&52~X5-  
    xraymax = -9e9 R?l={N=Wf  
    yraymax = -9e9 0EUC8Ni  
    xraymin =  9e9 *l'5z)]  
    yraymin =  9e9 {c=H#- A  
    xraytot = 0 |A:+[35  
    yraytot = 0 m[&pR2T  
    numray = 0 N#vV;  
    numrayattempt = 0 .T7S1C $HP  
    px = -1 - delta MT.D#jv&  
    label 2 /Y*6mQ:  
    px = px + delta Ga $EM  
    py = -1 - delta %<'PSri  
    label 3 q]z%<`.9*  
    py = py + delta <{A|Xs  
    rad = px*px + py*py [f-<M@id/  
    if rad <= 0.9999999 QCvst*  
            raytrace hx, hy, px, py P\.1w>X  
            numrayattempt = numrayattempt+1 EN~ha:9  
            if !rayv(n)                                              **************************** _,E! <  
                    numray = numray + 1 bOdyrynh  
                    x = rayx(n) O`='8'6zW\  
                    y = rayy(n) #jX%nqMxW  
                    if (x < xraymin) then xraymin = x Kv6#WN~  
                    if (x > xraymax) then xraymax = x Z~ {[YsG  
                    if (y < yraymin) then yraymin = y Xq.G vZS`  
                    if (y > yraymax) then yraymax = y PD@@4@^  
                    xraytot = xraytot + x /Wm3qlv  
                    yraytot = yraytot + y +L<x0-&  
            endif e{`DvfY21  
    endif ~er4w+"  
    if py < 1.0 then goto 3 T\$r|  
    if px < 1.0 then goto 2 sBWLgJz?C  
    if numray .5?Md  
            format 14.8 g+92}$_  
            print "  X Centroid = ",xraytot/numray, Z)H9D(Za  
            print "  Y Centroid = ",yraytot/numray e(sV4Z~  
            print "  X Middle   = ",(xraymax+xraymin)/2, ryoD 1OE  
            print "  Y Middle   = ",(yraymax+yraymin)/2 u7ER  
            format .0  9/R<,  
            print "  ",numray, " out of ", numrayattempt," rays made it through." .eM A*C~n  
    else  Q~AK0W  
            print "  No rays made it through!" *heX[D &>)  
    endif 'Lv>!s 7  
    f=f+1 gIaPS0Q  
    if f<= nfld() then goto 1 dnUiNs8  
    print ;l2pdP4jf  
    print "All field positions done!" eXZH#K7S#  
    FORMAT 0.1 B3iU#   
    print "Elapsed time ", ETIM(), " seconds." L# NW<T  
     
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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 aw8q}:  
    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 atA:v3"  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ~Uz1()ftz  
    .}.63T$h9  
    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 X-&U-S;