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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············· ^u Z%d  
    6K<vyr40  
    macro 正文:········· \-sD RW  
    ! centroid.zpl qvk?5#B  
    ! q(uu;l[  
    ! Written by Kenneth Moore 9/1/92 HVu_@[SYR3  
    ! Added TIMER function 4/18/96 t5e(9Yhj  
    ! $V\xN(Ed  
    TIMER 3{$c b"5  
    ! $rjv4e}7  
    ! The delta controls how many rays will be traced. A bt j\v[D  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ,:z@Ji  
    ! bq ~'jg^#  
    delta = .025 e dD(s5  
    ! ((?^B  
    print "This program computes the chief ray coordinates," DTr0u}m  
    print "centroid coordinates, and middle coordinates for" Y,&)%Eo<  
    print "the primary wave spot at each field position." H-UMsT=g]  
    maxfield = maxf() '-v~HwC+/T  
    if maxfield == 0 then maxfield = 1 aMj3ov8p  
    n = nsur() f'%}{l: ss  
    f = 1 Y@.:U*  
    label 1 $!fz87-p>  
    hx = fldx(f)/maxfield *YDx6\><  
    hy = fldy(f)/maxfield vO&1F@  
    raytrace hx,hy,0,0 +5T0]!  
    format 10.4 DsFrA]  
    print ;CU3CLn  
    print "  X Field    = ", fldx(f), ke/o11LP  
    print "  Y Field    = ", fldy(f) !A<?nz Uv  
    print "  X Chief    = ",rayx(n), (nV/-#*  
    print "  Y Chief    = ",rayy(n) 8}S|iM  
    xraymax = -9e9 4z$ eT  
    yraymax = -9e9 khEHMvVH  
    xraymin =  9e9 a{)"KAP  
    yraymin =  9e9 ^Nc\D7( l  
    xraytot = 0 12rr:(#%s  
    yraytot = 0 Kk/qd)nk  
    numray = 0 `#l_`j=r$  
    numrayattempt = 0 5$O@+W!?@  
    px = -1 - delta *.~M#M 9c  
    label 2 WS,p}:yPZG  
    px = px + delta G-;pMFP(?  
    py = -1 - delta Cjwg1?^RZ  
    label 3 n7Re@'N<  
    py = py + delta LL:B H,[  
    rad = px*px + py*py g/T`4"p[H  
    if rad <= 0.9999999 >+G=|2  
            raytrace hx, hy, px, py @s@r5uR9B  
            numrayattempt = numrayattempt+1 pRYt.}/K  
            if !rayv(n)                                              **************************** W;hI[9  
                    numray = numray + 1 jI y'mGaG  
                    x = rayx(n) fw-LZ][  
                    y = rayy(n) t/y0gr tm6  
                    if (x < xraymin) then xraymin = x XLOk+Fn  
                    if (x > xraymax) then xraymax = x LdRLKE<'e  
                    if (y < yraymin) then yraymin = y EJN}$|*Av  
                    if (y > yraymax) then yraymax = y 1s1$J2LX  
                    xraytot = xraytot + x T@f$w/15  
                    yraytot = yraytot + y >pn?~  
            endif :]?I|.a  
    endif B?Pu0 _|s  
    if py < 1.0 then goto 3 eP;lH~!.0  
    if px < 1.0 then goto 2 7<X_\,I  
    if numray * 78TT \q<  
            format 14.8 J/)Q{*`_  
            print "  X Centroid = ",xraytot/numray, [,l BY-Kz+  
            print "  Y Centroid = ",yraytot/numray zvSfW# *  
            print "  X Middle   = ",(xraymax+xraymin)/2, Knn$<!>  
            print "  Y Middle   = ",(yraymax+yraymin)/2 0naegy?,  
            format .0 C~kw{g+|  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Pc1vf]  
    else ,Y}HP3  
            print "  No rays made it through!" G;`+MgJ)  
    endif ^gD&NbP8  
    f=f+1 z+Y0Zh";/#  
    if f<= nfld() then goto 1 ve'hz{W  
    print y/ vE  
    print "All field positions done!" .p <!2   
    FORMAT 0.1 d)9=hp;,V  
    print "Elapsed time ", ETIM(), " seconds." _>*TPlB  
     
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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 08cC rG  
    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 0v+ -yEkw  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  '.EO+1{a  
    ~I6N6T Z  
    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 27k(`{K