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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············· @-z#vJ5Qe{  
    1MtvnPY  
    macro 正文:········· q\qV~G`  
    ! centroid.zpl u_aln[oIv  
    ! (% fl  
    ! Written by Kenneth Moore 9/1/92 K8dlECy  
    ! Added TIMER function 4/18/96 TA47lz q  
    ! qAH@)}  
    TIMER 4>4*4!KR}  
    ! 8s4y7%,|  
    ! The delta controls how many rays will be traced. A Mk=;UBb$X  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 9o.WJ   
    ! +$)C KC  
    delta = .025 nL}bCX{  
    ! WgdL^PN(h  
    print "This program computes the chief ray coordinates," {IeW~S' &  
    print "centroid coordinates, and middle coordinates for" )x.}B4z  
    print "the primary wave spot at each field position." w;.'>ORC  
    maxfield = maxf() }b9#.H9  
    if maxfield == 0 then maxfield = 1 ]fXMp*LvY  
    n = nsur() z8 bDBoD6  
    f = 1 A9! gww  
    label 1 #e.2m5T  
    hx = fldx(f)/maxfield QZBXI3%#s  
    hy = fldy(f)/maxfield ~U:{~z  
    raytrace hx,hy,0,0 :&= TE2  
    format 10.4 ]1 #&J(  
    print \s2hep  
    print "  X Field    = ", fldx(f), D4yJ:ATO&  
    print "  Y Field    = ", fldy(f) TB] %?L:  
    print "  X Chief    = ",rayx(n), Xj^6ZJc  
    print "  Y Chief    = ",rayy(n) h<.G^c)  
    xraymax = -9e9 40pGu  
    yraymax = -9e9 8<$6ufvOv  
    xraymin =  9e9 (NUk{MTX  
    yraymin =  9e9 a z 7Vy-  
    xraytot = 0 p6[a"~y  
    yraytot = 0 5y! 4ny _  
    numray = 0 w>T1D  
    numrayattempt = 0 V *=To  
    px = -1 - delta 9<5SQ  
    label 2 65VnH=  
    px = px + delta FxSBxz<N-A  
    py = -1 - delta [ADr _  
    label 3 A)En25,X  
    py = py + delta lTPo2-j/eK  
    rad = px*px + py*py /%Bc*k=ox  
    if rad <= 0.9999999 ?7@Y=7BS4  
            raytrace hx, hy, px, py }N5>^y  
            numrayattempt = numrayattempt+1 B^Q\l!r  
            if !rayv(n)                                              **************************** 2Z6#3~  
                    numray = numray + 1 euM7> $`  
                    x = rayx(n) 2O {@W +Mt  
                    y = rayy(n) KyW6[WA9  
                    if (x < xraymin) then xraymin = x FG7}MUu  
                    if (x > xraymax) then xraymax = x ?eT^gWX  
                    if (y < yraymin) then yraymin = y /-<S FT`  
                    if (y > yraymax) then yraymax = y `G\uTCpk  
                    xraytot = xraytot + x nBL7LocvR  
                    yraytot = yraytot + y ~oI7TP  
            endif < vU<:S  
    endif ^~0Mw;n&  
    if py < 1.0 then goto 3 4EzmH)4G  
    if px < 1.0 then goto 2 D;)Tm|XizW  
    if numray zF%CFqQ  
            format 14.8 goi.'8M|/b  
            print "  X Centroid = ",xraytot/numray, w4pU^&O  
            print "  Y Centroid = ",yraytot/numray ,v:m  
            print "  X Middle   = ",(xraymax+xraymin)/2, AwB ]0H  
            print "  Y Middle   = ",(yraymax+yraymin)/2 } ab@Nd$  
            format .0 xBd#  
            print "  ",numray, " out of ", numrayattempt," rays made it through." <OF7:f  
    else dg 0`0k  
            print "  No rays made it through!" 0F sz  
    endif u&`7 C  
    f=f+1 b9[;qqq@'  
    if f<= nfld() then goto 1 >/1N#S#9  
    print 6}  !n0  
    print "All field positions done!" ZAzn-n  
    FORMAT 0.1 CJk$o K{Q  
    print "Elapsed time ", ETIM(), " seconds." `@ULG>   
     
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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 Y$!K<c k  
    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 QgO@oV*S  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  JYOyz+wNd  
    . ]0B=w* 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 [?iA`#^d