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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·············  ]J= S\  
    &5 *)r@+  
    macro 正文:········· :V)W?~Z7B  
    ! centroid.zpl fX.V+.rj  
    ! &p?Oo^  
    ! Written by Kenneth Moore 9/1/92 lHYu-}TNP  
    ! Added TIMER function 4/18/96 @ mzf(Aq  
    ! bYzBe\^3q3  
    TIMER $D,m o2I  
    ! R=D\VIu,Z  
    ! The delta controls how many rays will be traced. A OL+!,Y  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 6{O#!o*g  
    ! 0 O{Y Vk`  
    delta = .025 wp/u*g  
    ! WIwbf|\  
    print "This program computes the chief ray coordinates," ] o!#]]   
    print "centroid coordinates, and middle coordinates for" wf7<#jIq  
    print "the primary wave spot at each field position." ^$][ah  
    maxfield = maxf() gto@o\&=  
    if maxfield == 0 then maxfield = 1 /Vpd*obMB  
    n = nsur() !g? ~<`   
    f = 1 #unE>#DW  
    label 1 tVx.J'"Y  
    hx = fldx(f)/maxfield `1%SXP1  
    hy = fldy(f)/maxfield {Y5h*BD>  
    raytrace hx,hy,0,0 !$q1m@K1  
    format 10.4 ':,6s  
    print l<<G". ?  
    print "  X Field    = ", fldx(f), ?KxI|os  
    print "  Y Field    = ", fldy(f) c$f|a$$b   
    print "  X Chief    = ",rayx(n), i '!M<>7  
    print "  Y Chief    = ",rayy(n) V:42\b7x  
    xraymax = -9e9 kO<`RHlX=  
    yraymax = -9e9 c ;3bX6RD*  
    xraymin =  9e9 D#%J||  
    yraymin =  9e9 }\u~He%  
    xraytot = 0 @];#4O  
    yraytot = 0 a73b/_zZ=  
    numray = 0 yZ&By?.0  
    numrayattempt = 0 k;3P;@3,W  
    px = -1 - delta BO\l>\)Ir  
    label 2 +ZXGT  
    px = px + delta Rn{q/h  
    py = -1 - delta )EO/P+&  
    label 3 5q]u:  
    py = py + delta #},]`"n\  
    rad = px*px + py*py "!)8bTW  
    if rad <= 0.9999999 89l_%To  
            raytrace hx, hy, px, py F dv&kK!  
            numrayattempt = numrayattempt+1 c7\bA7.  
            if !rayv(n)                                              **************************** NQfIY`lt'  
                    numray = numray + 1 HXU"]s2Z  
                    x = rayx(n) Ao96[2U6  
                    y = rayy(n) y<F$@  
                    if (x < xraymin) then xraymin = x :&)RK~1m_  
                    if (x > xraymax) then xraymax = x ;_j\E(^%  
                    if (y < yraymin) then yraymin = y ;$i9gP[|m  
                    if (y > yraymax) then yraymax = y E08AZOY&g  
                    xraytot = xraytot + x dab>@z4  
                    yraytot = yraytot + y qe(X5 ?#;  
            endif e;3$7$n Pv  
    endif ,h/0:?R KW  
    if py < 1.0 then goto 3 b&~uK"O'7d  
    if px < 1.0 then goto 2 jZv8X 5i  
    if numray 4BEVG&Ks  
            format 14.8 mKpUEJ<a  
            print "  X Centroid = ",xraytot/numray, |r-<t  
            print "  Y Centroid = ",yraytot/numray 8gC(N3/E"  
            print "  X Middle   = ",(xraymax+xraymin)/2, XQ(`8Jl&^  
            print "  Y Middle   = ",(yraymax+yraymin)/2 N83RsL "}_  
            format .0 ]VJcV.7`  
            print "  ",numray, " out of ", numrayattempt," rays made it through." *7*g! km  
    else }T c)M_  
            print "  No rays made it through!" \((>i7C  
    endif tu!u9jVv  
    f=f+1 {bETHPCf  
    if f<= nfld() then goto 1 HTqikw5X  
    print [F/xU  
    print "All field positions done!" n; rOH[P  
    FORMAT 0.1 Xkv>@7ec  
    print "Elapsed time ", ETIM(), " seconds." * )]SsM1  
     
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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 W' 2)$e  
    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 {2Ibd i  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  6qDD_:F  
    0cbF.Um8  
    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 UXJl;M b