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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············· @p2dXJeR<  
    OEGAwP?F  
    macro 正文:········· <Q-ufF85)  
    ! centroid.zpl J=]w$e ?.P  
    ! L{CHAVkV  
    ! Written by Kenneth Moore 9/1/92 1J *wW# e  
    ! Added TIMER function 4/18/96 !r!Mq~X<=  
    ! 4_I,wG@  
    TIMER zZh`go02E  
    ! 1y8:tri>N  
    ! The delta controls how many rays will be traced. A v:T` D  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. kAk,:a;P  
    ! 9'8oOBqm3%  
    delta = .025 $l[*Y  
    ! SS~Txt75m  
    print "This program computes the chief ray coordinates," yb**|[By  
    print "centroid coordinates, and middle coordinates for" iii$)4V  
    print "the primary wave spot at each field position." s*#|EdD6@  
    maxfield = maxf() izW l5}+'B  
    if maxfield == 0 then maxfield = 1 'Jl.fN  
    n = nsur() /s*>V@Q  
    f = 1 _&![s]  
    label 1 !V-SV`+X  
    hx = fldx(f)/maxfield >%3c1  
    hy = fldy(f)/maxfield S@"=,Xj M  
    raytrace hx,hy,0,0 |95/'a*  
    format 10.4 'IW+"o  
    print FW.dHvNX  
    print "  X Field    = ", fldx(f), Oc'z?6axWv  
    print "  Y Field    = ", fldy(f) Yh%wf3 UEO  
    print "  X Chief    = ",rayx(n), %Z5k8  
    print "  Y Chief    = ",rayy(n) S+>]8ZY  
    xraymax = -9e9 &s;%(c04A  
    yraymax = -9e9 XP;&iZJ  
    xraymin =  9e9 CijS=-  
    yraymin =  9e9 uN(~JPAw5  
    xraytot = 0 I2DmM"-|  
    yraytot = 0 kL|Y-(FPo%  
    numray = 0 r;T/  
    numrayattempt = 0 CGe'z  
    px = -1 - delta 9G8QzIac  
    label 2 IP;@unBl  
    px = px + delta ,] {NZ9  
    py = -1 - delta "=n8PNV/ c  
    label 3 9f6TFdUi"y  
    py = py + delta k"7eHSy,  
    rad = px*px + py*py jr l6):x  
    if rad <= 0.9999999 )|a9Z~#x  
            raytrace hx, hy, px, py Mqtp}<*@-  
            numrayattempt = numrayattempt+1 enzQ}^  
            if !rayv(n)                                              **************************** &"h!SkX/  
                    numray = numray + 1 bg*{1^  
                    x = rayx(n) *pD;AU  
                    y = rayy(n) 6qJB"_.  
                    if (x < xraymin) then xraymin = x XfrnM^oty  
                    if (x > xraymax) then xraymax = x `s_TY%&_}g  
                    if (y < yraymin) then yraymin = y ` ;=Se_  
                    if (y > yraymax) then yraymax = y 9h(hx 7]  
                    xraytot = xraytot + x |)-:w?  
                    yraytot = yraytot + y OA=;9AcZ  
            endif h^*{chm]  
    endif ;MJ1Q  
    if py < 1.0 then goto 3 ~=mM/@HD  
    if px < 1.0 then goto 2 bC{8yV=)  
    if numray Zn0fgQd  
            format 14.8 VT7NWT J,  
            print "  X Centroid = ",xraytot/numray, "\[>@_p h  
            print "  Y Centroid = ",yraytot/numray F]*-i 55S  
            print "  X Middle   = ",(xraymax+xraymin)/2, %S#"pKE6 R  
            print "  Y Middle   = ",(yraymax+yraymin)/2 7dJaWD:&   
            format .0 *]6dV '  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 4"{wga~%/  
    else 6<Wr 8u,  
            print "  No rays made it through!" `7_LJ \>I  
    endif sEN@q   
    f=f+1 +3>4 ?,^g  
    if f<= nfld() then goto 1 ]c2| m}I{:  
    print B ,Brmn  
    print "All field positions done!" (FYJ^o  
    FORMAT 0.1 Sh6Cw4 R  
    print "Elapsed time ", ETIM(), " seconds." `C?OAR44  
     
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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 HjS^ nYl  
    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 #lshN,CPm  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  oXlxPN39  
    J2< QAX  
    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 '`]n_$f'