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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············· d3# >\QCD9  
    x-km)2x=W  
    macro 正文:········· ! 3O#'CV  
    ! centroid.zpl #$QC2;/)F  
    ! ?1Lzbou  
    ! Written by Kenneth Moore 9/1/92 I_IDrS)O  
    ! Added TIMER function 4/18/96 Ms.1RCup  
    ! vl<W`)'  
    TIMER |>(;gr/5(  
    ! t3.;W/0_  
    ! The delta controls how many rays will be traced. A O<Rm9tZ8  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. LoQm&3/  
    ! R g7  O  
    delta = .025 {i)k#`  
    ! hTZaI*  
    print "This program computes the chief ray coordinates," y_:i'Ri.  
    print "centroid coordinates, and middle coordinates for" o })k@-oL  
    print "the primary wave spot at each field position." e.%` tK3J  
    maxfield = maxf() 6u`E{$  
    if maxfield == 0 then maxfield = 1 TpLlbsd  
    n = nsur() ^<#08L;  
    f = 1 7yLO<o?9w  
    label 1 K)c`G_%G  
    hx = fldx(f)/maxfield < ) L'h  
    hy = fldy(f)/maxfield +(*S@V$c  
    raytrace hx,hy,0,0 ][1 *.7-  
    format 10.4 }u0t i"V  
    print Cvr?%+)$M  
    print "  X Field    = ", fldx(f), )>$@cH  
    print "  Y Field    = ", fldy(f) lV/-jkR  
    print "  X Chief    = ",rayx(n), K'EGm #I  
    print "  Y Chief    = ",rayy(n) s_A<bW566F  
    xraymax = -9e9 sHx>UvN6  
    yraymax = -9e9 J fFOU!F\  
    xraymin =  9e9 `VT[YhO#}  
    yraymin =  9e9 y| *X  
    xraytot = 0 YoV^Y&:9<  
    yraytot = 0 a,3} o:f  
    numray = 0 D/C)Rrq"a  
    numrayattempt = 0 o qa]iBO  
    px = -1 - delta g z-X4A"  
    label 2 KiU/N$ E  
    px = px + delta -NW7ncB|  
    py = -1 - delta m0+X 109  
    label 3 FMCX->}$  
    py = py + delta c=iv\hn  
    rad = px*px + py*py I;]Q}SUsm  
    if rad <= 0.9999999 m?I$XAE  
            raytrace hx, hy, px, py x}t,v.:  
            numrayattempt = numrayattempt+1 &L[7jA'[J  
            if !rayv(n)                                              **************************** s*<\ mwB  
                    numray = numray + 1 5|>FM&  
                    x = rayx(n) (he cvJ  
                    y = rayy(n) j3`# v3  
                    if (x < xraymin) then xraymin = x Nf(Np1?;c  
                    if (x > xraymax) then xraymax = x dGf:0xE"  
                    if (y < yraymin) then yraymin = y ##~";j  
                    if (y > yraymax) then yraymax = y [EUp4%Z #  
                    xraytot = xraytot + x ,;LxFS5\  
                    yraytot = yraytot + y B -XM(C j  
            endif bkfwsYZx  
    endif C'mYR3?m;  
    if py < 1.0 then goto 3 CPssk,q~C  
    if px < 1.0 then goto 2 / 4P+  
    if numray 41f4zisZ  
            format 14.8 |F _ Z  
            print "  X Centroid = ",xraytot/numray, ))Ws{  
            print "  Y Centroid = ",yraytot/numray ZPHiR4fQli  
            print "  X Middle   = ",(xraymax+xraymin)/2, %a- *Ku  
            print "  Y Middle   = ",(yraymax+yraymin)/2 34ij5bko_)  
            format .0 gFR9!=,/V%  
            print "  ",numray, " out of ", numrayattempt," rays made it through." j{00iA}  
    else nX,2jT;@L  
            print "  No rays made it through!" oG5 :]/F  
    endif d1YE$   
    f=f+1 y{CyjYpz^  
    if f<= nfld() then goto 1 DU9A3Z  
    print $2u^z=`b!%  
    print "All field positions done!" /5 rWcX  
    FORMAT 0.1 u~MD?!LV  
    print "Elapsed time ", ETIM(), " seconds." v0EF?$Wo  
     
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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 =/xTUI4  
    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 *|c*/7]<  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)   .*H0{  
    )3i}(h0  
    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 g0.D36