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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············· JMH8MH*  
    hjIT_{mk  
    macro 正文:········· D9FJ 1~  
    ! centroid.zpl m|=H#  
    ! yto,>Utzg  
    ! Written by Kenneth Moore 9/1/92 )yTm.F  
    ! Added TIMER function 4/18/96 d/ bEt&  
    ! _~*,m#uxJ  
    TIMER >B2:kY F  
    ! yi l[gPy4B  
    ! The delta controls how many rays will be traced. A h\nI!{A0  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. \T <$9aNb  
    ! XLL/4)  
    delta = .025 wi4=OU1L)a  
    ! GDD '[;  
    print "This program computes the chief ray coordinates," sFQ^2PwbS  
    print "centroid coordinates, and middle coordinates for" 4\6N~P86  
    print "the primary wave spot at each field position." 'B@e8S) y  
    maxfield = maxf() i K12 pw  
    if maxfield == 0 then maxfield = 1 df n9!h  
    n = nsur() R,|d`)T  
    f = 1 rFC" Jx  
    label 1 :'*DPB-  
    hx = fldx(f)/maxfield !!Aj<*%  
    hy = fldy(f)/maxfield /\H>y  
    raytrace hx,hy,0,0 QF&W`c  
    format 10.4 nS&3?lx9_  
    print tkXEHsRT  
    print "  X Field    = ", fldx(f), W2z*91$  
    print "  Y Field    = ", fldy(f) #*TEq  
    print "  X Chief    = ",rayx(n), g_G6~-.9I  
    print "  Y Chief    = ",rayy(n) oiX+l5`pz  
    xraymax = -9e9 cOPB2\,  
    yraymax = -9e9  jcI&w#re  
    xraymin =  9e9  nv0]05.4  
    yraymin =  9e9 T'LIrf  
    xraytot = 0 \[jq4`\$  
    yraytot = 0 7}vg.hmZ  
    numray = 0 e0J6Ae4V[  
    numrayattempt = 0 CE"JS-S?  
    px = -1 - delta (4\d]*u5-c  
    label 2 A?`jnRo=\  
    px = px + delta _L@2_#h!  
    py = -1 - delta m+#iR}*1L  
    label 3 zkO<-w  
    py = py + delta xCYE B}o9r  
    rad = px*px + py*py 1!.(4gV  
    if rad <= 0.9999999 )=-0M9e.{  
            raytrace hx, hy, px, py X+~ XJ  
            numrayattempt = numrayattempt+1 _>v<(7  
            if !rayv(n)                                              **************************** Vo7dAHHL  
                    numray = numray + 1 vmLxkjUm#  
                    x = rayx(n) C#H:-Q&  
                    y = rayy(n) 1*dRK6  
                    if (x < xraymin) then xraymin = x kWNV%RlSx  
                    if (x > xraymax) then xraymax = x XXh6^@H=  
                    if (y < yraymin) then yraymin = y (XXheC  
                    if (y > yraymax) then yraymax = y ;s~X  
                    xraytot = xraytot + x m\ddp_l  
                    yraytot = yraytot + y %/>Y/!;  
            endif U-:ieao@  
    endif MNg^]tpf  
    if py < 1.0 then goto 3 qY >{cjo  
    if px < 1.0 then goto 2 3LfC{ER  
    if numray [xT:]Pw}  
            format 14.8 RGK8'i/X  
            print "  X Centroid = ",xraytot/numray, @]![o %  
            print "  Y Centroid = ",yraytot/numray o}<4*qlI  
            print "  X Middle   = ",(xraymax+xraymin)/2, [Tnsr(Z  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ?X5]i#j[  
            format .0 06Gt&_Q  
            print "  ",numray, " out of ", numrayattempt," rays made it through." !o>H1#2l  
    else >y}M.Mm  
            print "  No rays made it through!" f}L*uw  
    endif (E,Yo  
    f=f+1 _ z;q9&J)  
    if f<= nfld() then goto 1 b9"jtRTdz  
    print (?H0+zws^  
    print "All field positions done!" VOr1  
    FORMAT 0.1 j+^oz'q  
    print "Elapsed time ", ETIM(), " seconds." 8kbY+W%n  
     
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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 X{^}\,cVtG  
    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 zu2HH<E  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  nH !3(X*  
    QHBtWQgS  
    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 L3(^{W]|