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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············· JlMT<;7\  
    &%})wZ+Dj  
    macro 正文:········· Ox#\M0Wn$3  
    ! centroid.zpl 6"Bic rY  
    ! _^Mx>hb4.  
    ! Written by Kenneth Moore 9/1/92 7VcmVq}X  
    ! Added TIMER function 4/18/96 ;};wq&b#  
    ! l @^3Exwt  
    TIMER }|PY!O  
    ! }*.0N;;C  
    ! The delta controls how many rays will be traced. A JkW9D)6  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. @u==x *{ |  
    ! fP.F`V_Y  
    delta = .025 I%- " |]$  
    ! T,| 1g6  
    print "This program computes the chief ray coordinates," i4^o59}8  
    print "centroid coordinates, and middle coordinates for" (Qa/EkE^*w  
    print "the primary wave spot at each field position." V&-~x^JK  
    maxfield = maxf() /pF `8$  
    if maxfield == 0 then maxfield = 1 pZ/>[TP(%F  
    n = nsur() =Umw$+fJr  
    f = 1 c478P=g=5  
    label 1 ZPbpp@,  
    hx = fldx(f)/maxfield jqPkc28  
    hy = fldy(f)/maxfield 8\{^|y9-  
    raytrace hx,hy,0,0 <n]x#0p  
    format 10.4 ^]{R.(#z  
    print |V<h=D5W  
    print "  X Field    = ", fldx(f), =[F<7pvE  
    print "  Y Field    = ", fldy(f) 31/Edd"]  
    print "  X Chief    = ",rayx(n), Me 5_4H&Sg  
    print "  Y Chief    = ",rayy(n) H$I =W>;  
    xraymax = -9e9 %-d]X{J:  
    yraymax = -9e9 'fW6 .0fXa  
    xraymin =  9e9 5nsq[Q`  
    yraymin =  9e9 kF/9-[]$g,  
    xraytot = 0 ,"B+r6}EF  
    yraytot = 0 ]Kr `9r),  
    numray = 0 &hRvol\J  
    numrayattempt = 0 +nJUFc  
    px = -1 - delta OKoan$#sn  
    label 2 liXdNk8  
    px = px + delta &197P7&o  
    py = -1 - delta N!g9*Z  
    label 3 9W(dmde>  
    py = py + delta 66fO7OJs  
    rad = px*px + py*py 0qX3v<+[6  
    if rad <= 0.9999999 \Ym5<];E  
            raytrace hx, hy, px, py r#XT3qp$d  
            numrayattempt = numrayattempt+1 2Lx3=k  
            if !rayv(n)                                              **************************** :_O%/k1\@  
                    numray = numray + 1 'Fmvu   
                    x = rayx(n) Yb E-6|cz  
                    y = rayy(n) ^<e.]F25M  
                    if (x < xraymin) then xraymin = x 0{= `on;  
                    if (x > xraymax) then xraymax = x j$+nKc$  
                    if (y < yraymin) then yraymin = y D:erBMKv,  
                    if (y > yraymax) then yraymax = y gvL f|+m  
                    xraytot = xraytot + x 7D<#(CE{  
                    yraytot = yraytot + y 2$Tj84'X  
            endif '_V2!?+RU+  
    endif Y'ow  
    if py < 1.0 then goto 3 5=f|7yl  
    if px < 1.0 then goto 2 ,v{rCxFtvU  
    if numray SLh(9%S;  
            format 14.8 }`@728E  
            print "  X Centroid = ",xraytot/numray, &}A[x1x06)  
            print "  Y Centroid = ",yraytot/numray 9]@A]p!  
            print "  X Middle   = ",(xraymax+xraymin)/2, o93`|yWl  
            print "  Y Middle   = ",(yraymax+yraymin)/2 1R,:  
            format .0 DCZ\6WY1G)  
            print "  ",numray, " out of ", numrayattempt," rays made it through." /oriW;OF  
    else 8?%-'z.  
            print "  No rays made it through!" RO.k]x6  
    endif ll C#1  
    f=f+1 >"C,@cN}B  
    if f<= nfld() then goto 1 Ry'= ke  
    print #W|'1 OX4  
    print "All field positions done!" .,OVzW  
    FORMAT 0.1 [<6S%s  
    print "Elapsed time ", ETIM(), " seconds." Z-l=\ekJ  
     
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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 WS`qVL]^&  
    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 <|SRe6m  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  [O?z@)dx  
    `1bv@yzq  
    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 d\jPdA.a=