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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············· Z3=t"  
    .BuY[,I+  
    macro 正文:········· Bm1yBKjO  
    ! centroid.zpl KD=T04v  
    ! "@DCQ  
    ! Written by Kenneth Moore 9/1/92 o1 QK@@}  
    ! Added TIMER function 4/18/96 19h8p>Sx0  
    ! zAS&L%^tV  
    TIMER [p|-G*=00  
    ! DtR-NzjB  
    ! The delta controls how many rays will be traced. A 's+ Fd~ '  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. :U^a0s%B  
    ! t: r   
    delta = .025 Lr_+) l  
    ! qK#\k@E  
    print "This program computes the chief ray coordinates," ="z\  
    print "centroid coordinates, and middle coordinates for" ZI-)'  
    print "the primary wave spot at each field position." lhKd<Y"  
    maxfield = maxf() 0(h *< g:  
    if maxfield == 0 then maxfield = 1 aV,>y"S  
    n = nsur() !Tr +:SM  
    f = 1 P%(pbG-X.  
    label 1 /EA4-#uw  
    hx = fldx(f)/maxfield D\bW' k]!  
    hy = fldy(f)/maxfield rer=o S  
    raytrace hx,hy,0,0 B/&axm%0  
    format 10.4 N_UZu  
    print G/bWn@  
    print "  X Field    = ", fldx(f), Lr V)}1&5  
    print "  Y Field    = ", fldy(f) 9co1+y=i{  
    print "  X Chief    = ",rayx(n), U_y)p Cd  
    print "  Y Chief    = ",rayy(n) Atzp\oO  
    xraymax = -9e9 UXnd~DA  
    yraymax = -9e9 W EZ(4ah  
    xraymin =  9e9 zsc8Lw  
    yraymin =  9e9 ;spuBA)[X  
    xraytot = 0 A !x" *  
    yraytot = 0 eOE7A'X   
    numray = 0 A!x_R {,yH  
    numrayattempt = 0 %DbL|;z1  
    px = -1 - delta >x eKO 2o  
    label 2 TY],H=  
    px = px + delta ,g;~:  
    py = -1 - delta HJ:s)As  
    label 3 3W5|Y@0  
    py = py + delta pdngM 8n  
    rad = px*px + py*py b(&2/|hd  
    if rad <= 0.9999999 j_H{_Ug  
            raytrace hx, hy, px, py k^:$ETW2 D  
            numrayattempt = numrayattempt+1 *}$T:kTH  
            if !rayv(n)                                              **************************** <}L`d(E@f  
                    numray = numray + 1 P*BA  
                    x = rayx(n) 5rr7lw WZ  
                    y = rayy(n) ]3BTL7r  
                    if (x < xraymin) then xraymin = x =hH>]$J[  
                    if (x > xraymax) then xraymax = x y4tM0h  
                    if (y < yraymin) then yraymin = y ;^^u_SuH  
                    if (y > yraymax) then yraymax = y Hl8-1M$&  
                    xraytot = xraytot + x b54<1\&  
                    yraytot = yraytot + y |K YONQ  
            endif s*>s;S?{|  
    endif *RD9 gIze  
    if py < 1.0 then goto 3 [-x~Q[  
    if px < 1.0 then goto 2 P>+{}c}3I  
    if numray be|k"s|6)  
            format 14.8 MS)#S&  
            print "  X Centroid = ",xraytot/numray, h/ ?8F^C#v  
            print "  Y Centroid = ",yraytot/numray 47ppyh6@  
            print "  X Middle   = ",(xraymax+xraymin)/2, S#8wnHq  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ),(ejRP'r  
            format .0 MRwls@z=  
            print "  ",numray, " out of ", numrayattempt," rays made it through." EW%%W6O6  
    else `(vgBz`e[  
            print "  No rays made it through!" Qx1ZxJz #  
    endif +y!dU{L^  
    f=f+1 j7K9T  
    if f<= nfld() then goto 1 fIu5d6;'  
    print Ek~Qp9B  
    print "All field positions done!" r :{2}nE  
    FORMAT 0.1 2Vxr  
    print "Elapsed time ", ETIM(), " seconds." N)K};yMf  
     
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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 OD-CU8X9  
    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 fp|!LU  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  !^cQPX2<  
    p/>}{Q )Y  
    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 G/>upnA{w