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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············· TbSt {TX  
    omDi<-  
    macro 正文:········· E,nYtn|B  
    ! centroid.zpl CMD`b  
    ! 1Rb<(%   
    ! Written by Kenneth Moore 9/1/92 =Am*$wGI  
    ! Added TIMER function 4/18/96 bU@>1>b6lE  
    ! +BTNm66Z  
    TIMER 5<>R dLo  
    ! 88X*:Kf?:  
    ! The delta controls how many rays will be traced. A fuwpp  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 67hPQ/S1  
    ! 2&G1Q'!  
    delta = .025 GqF.T#|  
    ! rSFXchD/  
    print "This program computes the chief ray coordinates," "=0 lcb C  
    print "centroid coordinates, and middle coordinates for" \$0 x8B   
    print "the primary wave spot at each field position." >@92K]J  
    maxfield = maxf() DG%%]  
    if maxfield == 0 then maxfield = 1 T W;;OS[  
    n = nsur() \/e*quxx  
    f = 1 s Gm(Aax*0  
    label 1 (2a "W`  
    hx = fldx(f)/maxfield a(QZZq};S  
    hy = fldy(f)/maxfield Jb-QP'$@  
    raytrace hx,hy,0,0 s9Q)6=mE  
    format 10.4 M`,Z#)Af  
    print . I9] `Q  
    print "  X Field    = ", fldx(f), dJ"xW; "  
    print "  Y Field    = ", fldy(f) )@&?i.  
    print "  X Chief    = ",rayx(n), ]> "/<"  
    print "  Y Chief    = ",rayy(n) s%?p%2&RA  
    xraymax = -9e9 frO/ nx|9  
    yraymax = -9e9 I4DlEX  
    xraymin =  9e9 oVZ8p-  
    yraymin =  9e9 c#-97"_8  
    xraytot = 0 EG:WE^4  
    yraytot = 0 )-:f;#xJ  
    numray = 0 1RO gUJ;  
    numrayattempt = 0 .j$bCKXGx  
    px = -1 - delta :{='TMJ7  
    label 2 SbNUX  
    px = px + delta )|1JcnNSa  
    py = -1 - delta R~?;KJ  
    label 3 o_^d>Klb8  
    py = py + delta ezy5Jqk5%  
    rad = px*px + py*py NGeeD?2~  
    if rad <= 0.9999999 *Zo o  
            raytrace hx, hy, px, py 2*;Y%NcP[  
            numrayattempt = numrayattempt+1  ` :  
            if !rayv(n)                                              **************************** }u*@b10   
                    numray = numray + 1 9Q5P7}%p  
                    x = rayx(n) ?01""Om   
                    y = rayy(n) a/`Yh>ou  
                    if (x < xraymin) then xraymin = x NqfDY  
                    if (x > xraymax) then xraymax = x 9%k.GE  
                    if (y < yraymin) then yraymin = y ^XB8A=xi  
                    if (y > yraymax) then yraymax = y T1]X   
                    xraytot = xraytot + x z7}zf@Y-qv  
                    yraytot = yraytot + y +g7nM7,1a  
            endif wg~`Md  
    endif 0\<-R  
    if py < 1.0 then goto 3 J^a"1|  
    if px < 1.0 then goto 2 F0(Sv\<::  
    if numray lTd2~_  
            format 14.8 <UL|%9=~  
            print "  X Centroid = ",xraytot/numray, h*LL(ow5  
            print "  Y Centroid = ",yraytot/numray 5WN Z7cO  
            print "  X Middle   = ",(xraymax+xraymin)/2, *U^hwL  
            print "  Y Middle   = ",(yraymax+yraymin)/2 a~TZ9yg+HL  
            format .0 M HB]'  
            print "  ",numray, " out of ", numrayattempt," rays made it through." bHT@]`@@  
    else .qPfi] ty  
            print "  No rays made it through!" #\["y%;W  
    endif \uPTk)oaB  
    f=f+1 D}U<7=\3H  
    if f<= nfld() then goto 1 BfLZ  
    print 3^UsyZS)  
    print "All field positions done!" dct#E CT  
    FORMAT 0.1 >Ga1p'8FtU  
    print "Elapsed time ", ETIM(), " seconds." <vuX " 8  
     
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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 ghj~r  
    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 7`!( 8  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  NkI:  
    ): C4}&l  
    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 #jiqRhm