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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············· r+ usMF<'  
    b(Yxsy{U  
    macro 正文:········· }Oq P`B  
    ! centroid.zpl h-]c   
    ! $q##Tys  
    ! Written by Kenneth Moore 9/1/92 HF<h-gX  
    ! Added TIMER function 4/18/96 e0M'\'J  
    ! y q!{\@-  
    TIMER v"l8[::  
    ! XE8%t=V!c$  
    ! The delta controls how many rays will be traced. A E5IS<.  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. H@te!EE  
    ! mgTzwE_\  
    delta = .025 k+zskfo  
    ! X2E=2tXl`7  
    print "This program computes the chief ray coordinates," K@vU_x0Sl  
    print "centroid coordinates, and middle coordinates for" 2%/+r  
    print "the primary wave spot at each field position." RgVnx]IF  
    maxfield = maxf() !tSh9L;<O  
    if maxfield == 0 then maxfield = 1 +q%b'!&Q  
    n = nsur() 9TZ6c  
    f = 1 4N5\sdi  
    label 1 _h I81Lzq  
    hx = fldx(f)/maxfield <rFh93  
    hy = fldy(f)/maxfield P9x':I$  
    raytrace hx,hy,0,0 r)Ja\ ;  
    format 10.4 lV9   
    print K,,'{j2#f  
    print "  X Field    = ", fldx(f), q7pe\~q  
    print "  Y Field    = ", fldy(f) ;?v&=Z't.  
    print "  X Chief    = ",rayx(n), V}ls|B$Y  
    print "  Y Chief    = ",rayy(n) ~sdM~9@ '  
    xraymax = -9e9 J(SGaHm@  
    yraymax = -9e9 wlEK"kKU  
    xraymin =  9e9 aoBiN_  
    yraymin =  9e9 _Nh`-R%B)  
    xraytot = 0 4Ik'beZqK  
    yraytot = 0 !R![:T\,  
    numray = 0 {$V2L4  
    numrayattempt = 0 <`u_O!h  
    px = -1 - delta ByacSN  
    label 2 Yq'D-$@  
    px = px + delta QQt4pDir>  
    py = -1 - delta g""Ep  
    label 3 iz0:  
    py = py + delta 03.\!rZZ  
    rad = px*px + py*py i7e_~K  
    if rad <= 0.9999999 wG73GD38  
            raytrace hx, hy, px, py HM#|&_gV  
            numrayattempt = numrayattempt+1 B=%x#em  
            if !rayv(n)                                              **************************** j.[W] EfL~  
                    numray = numray + 1 S%e)br}  
                    x = rayx(n) 0lOR.}]q  
                    y = rayy(n) tO?-@Qf/9<  
                    if (x < xraymin) then xraymin = x -`NzBuV$2,  
                    if (x > xraymax) then xraymax = x dK4w$~j{k  
                    if (y < yraymin) then yraymin = y |D_4 iFC  
                    if (y > yraymax) then yraymax = y 'hFL`F*  
                    xraytot = xraytot + x e-%q!F(Bf  
                    yraytot = yraytot + y /t*Q"0X5  
            endif HBZ6Pj  
    endif 8T[<&<^-  
    if py < 1.0 then goto 3 ^9><qKbO  
    if px < 1.0 then goto 2 s~ou$!|  
    if numray v3G$9 (NE;  
            format 14.8 rs,'vV-2\  
            print "  X Centroid = ",xraytot/numray, ,N nh$F  
            print "  Y Centroid = ",yraytot/numray 4_# (y^9  
            print "  X Middle   = ",(xraymax+xraymin)/2, QP<.~^ao  
            print "  Y Middle   = ",(yraymax+yraymin)/2 XM#nb$gl  
            format .0 Rd<K.7&A}  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Vt,P.CfdC  
    else Xkk 8#Y":  
            print "  No rays made it through!" lBa` nG  
    endif w"W;PdH)  
    f=f+1 #. 71O#!  
    if f<= nfld() then goto 1 QMy1!:Z&!  
    print R7KV @n  
    print "All field positions done!" +"1-W> HV  
    FORMAT 0.1 xSDTO$U8%  
    print "Elapsed time ", ETIM(), " seconds." c^&4m[?C[u  
     
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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 $sUn'62JlU  
    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 ZLdIEBi=  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  k@h0 }%  
    ,oPxt  
    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 q)KOI` A