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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············· gC+PpY#2h  
    )M!6y%b67  
    macro 正文:········· zB?} {@  
    ! centroid.zpl %ZajM  
    ! m4<5jC`-M  
    ! Written by Kenneth Moore 9/1/92 {7%W /C#A  
    ! Added TIMER function 4/18/96 a%"27 n(M  
    ! Cmsg'KqqT  
    TIMER R@+%~"Z  
    ! l. 9 i `  
    ! The delta controls how many rays will be traced. A :?*|Dp1  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. h "MiD  
    ! ;!ICLkc$  
    delta = .025 j0XS12eM  
    ! 8K]5fkC|  
    print "This program computes the chief ray coordinates," 3($cBC  
    print "centroid coordinates, and middle coordinates for" O)$rC  
    print "the primary wave spot at each field position." TspuZR@2  
    maxfield = maxf() iE~][_%U  
    if maxfield == 0 then maxfield = 1 ~^{jfHTlv  
    n = nsur() 2+2Gl7" s  
    f = 1 JjXuy7XQ  
    label 1 C3XB'CL6  
    hx = fldx(f)/maxfield .;1tu+S  
    hy = fldy(f)/maxfield N5yt'.d  
    raytrace hx,hy,0,0 R7q\^Yzo  
    format 10.4 /Vg=+FEO  
    print |B<;4ISaRI  
    print "  X Field    = ", fldx(f), vpS&w  
    print "  Y Field    = ", fldy(f) 3?do|>  
    print "  X Chief    = ",rayx(n), lhx"<kR 4  
    print "  Y Chief    = ",rayy(n) "}ms|  
    xraymax = -9e9 JZa^GW:YQh  
    yraymax = -9e9 Hd/|f;  
    xraymin =  9e9 uX!5G:x]  
    yraymin =  9e9 8zMt&5jD  
    xraytot = 0 >o]!-46  
    yraytot = 0 ?=bqya"Y  
    numray = 0 ,v#F6xv8  
    numrayattempt = 0 |2$wJ$ I  
    px = -1 - delta o4%H/|Oq.  
    label 2 a'[Ah2}3r<  
    px = px + delta <Va7XX%>  
    py = -1 - delta F1Jd-3ei  
    label 3 rwJCVkF  
    py = py + delta L[|($vQ"  
    rad = px*px + py*py (mNNTMe  
    if rad <= 0.9999999 6D=9J%;  
            raytrace hx, hy, px, py uuD|%-Ng  
            numrayattempt = numrayattempt+1 )g()b"Z #>  
            if !rayv(n)                                              **************************** am'11a@*  
                    numray = numray + 1 isG8S(}IW&  
                    x = rayx(n) ]#7{ x  
                    y = rayy(n) *&=sL  
                    if (x < xraymin) then xraymin = x ^5MPK@)c,/  
                    if (x > xraymax) then xraymax = x \W,,@ -  
                    if (y < yraymin) then yraymin = y q)m0n237P  
                    if (y > yraymax) then yraymax = y l"{1v ~I  
                    xraytot = xraytot + x 17 k9h?s*  
                    yraytot = yraytot + y j$<sq  
            endif 2`Ojw_$W7  
    endif k%|Sl>{Ir  
    if py < 1.0 then goto 3 1(q &(p  
    if px < 1.0 then goto 2 eTeZ^G  
    if numray ep$C nBwE  
            format 14.8 LA837P  
            print "  X Centroid = ",xraytot/numray, Az`c? W%  
            print "  Y Centroid = ",yraytot/numray ]T?Py)  
            print "  X Middle   = ",(xraymax+xraymin)/2,  y[C++Q  
            print "  Y Middle   = ",(yraymax+yraymin)/2 As y&X  
            format .0 XK";-7TZt  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 9W7 ljUg  
    else Jp d|<\Ml  
            print "  No rays made it through!" $ #*";b)QY  
    endif ~YH'&L.O  
    f=f+1 YLx4qE  
    if f<= nfld() then goto 1 o4zX 41W  
    print 1@i|[dq  
    print "All field positions done!" 6H#4iMeh  
    FORMAT 0.1 ~ \{a<-R  
    print "Elapsed time ", ETIM(), " seconds." pGsk[.  
     
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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 s2X<b `  
    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 TZ+- >CG  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  (~ `?_  
    "2=v:\~=  
    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 +:kMYL3