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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············· ]TTX<R ZLr  
    {0(:7IY,  
    macro 正文:········· }@IRReQ  
    ! centroid.zpl \EH:FM}l,  
    ! z-(#Mlq:!  
    ! Written by Kenneth Moore 9/1/92 ciKkazx.  
    ! Added TIMER function 4/18/96 cv fh:~L  
    ! hK=\O)  
    TIMER CbK&.a  
    ! $V"NB`T  
    ! The delta controls how many rays will be traced. A n^QOGT.s6`  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. )tQG5.to  
    ! 7mulNq  
    delta = .025 f'/@h Na3  
    ! DJl06-s V  
    print "This program computes the chief ray coordinates," N*t91 X  
    print "centroid coordinates, and middle coordinates for" muLt/.EZ  
    print "the primary wave spot at each field position." .y7&!a35  
    maxfield = maxf() (]'Q!MjGa  
    if maxfield == 0 then maxfield = 1 YJgw%UVJ5m  
    n = nsur() @Z$`c{V<  
    f = 1 y<YVb@O.  
    label 1 \jn[kQ+pJ  
    hx = fldx(f)/maxfield !Ju?REH   
    hy = fldy(f)/maxfield .8is! TT  
    raytrace hx,hy,0,0 s:Us*i=H,  
    format 10.4 eqbxf#H!  
    print Wpom{-  
    print "  X Field    = ", fldx(f), Z<a6U 3  
    print "  Y Field    = ", fldy(f) '< OB  j  
    print "  X Chief    = ",rayx(n), W>b(hVBE  
    print "  Y Chief    = ",rayy(n) I`h9P2~  
    xraymax = -9e9 m{={a5GD  
    yraymax = -9e9 bw#zMU^E  
    xraymin =  9e9 @aR!  -}  
    yraymin =  9e9 ]UnZc  
    xraytot = 0 %h U8ycI*h  
    yraytot = 0 *(ex:1sW  
    numray = 0 fk!wq. a  
    numrayattempt = 0 b2 ~~ !C  
    px = -1 - delta ]B>Y  +  
    label 2 P,RCbPC4  
    px = px + delta 8k'UEf`'(  
    py = -1 - delta s-r$%9o5  
    label 3 sm}q&m]ad  
    py = py + delta G8`q-B}q  
    rad = px*px + py*py -tT{h 4  
    if rad <= 0.9999999 76[aOC2Ad  
            raytrace hx, hy, px, py Ygn"7  
            numrayattempt = numrayattempt+1 p}.P^`~j  
            if !rayv(n)                                              **************************** CAY^ `K!  
                    numray = numray + 1 ]sO})  
                    x = rayx(n) YZ\$b=-  
                    y = rayy(n) =mCUuY#  
                    if (x < xraymin) then xraymin = x KdF QlQaj  
                    if (x > xraymax) then xraymax = x 1?HUXN#,  
                    if (y < yraymin) then yraymin = y (c(c MC'  
                    if (y > yraymax) then yraymax = y ZZTPAmIr  
                    xraytot = xraytot + x +S M $#  
                    yraytot = yraytot + y 'DF3|A],  
            endif NTiJEzW}  
    endif yhEU *\:  
    if py < 1.0 then goto 3 ZeK*MPxQ  
    if px < 1.0 then goto 2 '9GHmtdO,  
    if numray TJ`E/=J!  
            format 14.8 g'Ft5fQ"o/  
            print "  X Centroid = ",xraytot/numray, '#t"^E2$  
            print "  Y Centroid = ",yraytot/numray O7j$bxk/^  
            print "  X Middle   = ",(xraymax+xraymin)/2, #e&j]Q$Eh  
            print "  Y Middle   = ",(yraymax+yraymin)/2 TEB%y9  
            format .0 AEK* w4  
            print "  ",numray, " out of ", numrayattempt," rays made it through." H's67E/>*  
    else =KNg "|  
            print "  No rays made it through!" e~J% NU'&  
    endif H7"I+qE-G  
    f=f+1 '2zo  
    if f<= nfld() then goto 1 MLmc]nL=  
    print .D^k0V  
    print "All field positions done!" F=B>0Q5   
    FORMAT 0.1 ? $pGG  
    print "Elapsed time ", ETIM(), " seconds." I Jq$GR  
     
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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 e@k ti@ZJ  
    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 ?/dz!{JC  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  'kW`62AX  
    pVbX#3  
    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 T w"^I*B