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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············· & ]] l0B  
    @R50M (@W  
    macro 正文:········· Xi) ;dcNJ  
    ! centroid.zpl Ycspdl+(S$  
    ! l^nvwm`f#:  
    ! Written by Kenneth Moore 9/1/92 c/A?-9  
    ! Added TIMER function 4/18/96 VGD~) z57  
    ! xxvt<J  
    TIMER CvE^t#Bok  
    ! <tF q^qB  
    ! The delta controls how many rays will be traced. A jIT|Kk&]  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. v$Fz^<Na  
    ! '~K]=JP  
    delta = .025 {+hABusq  
    ! U(y8nI]  
    print "This program computes the chief ray coordinates," ,o%by5j"^N  
    print "centroid coordinates, and middle coordinates for" }bca-|N  
    print "the primary wave spot at each field position." q%])dZ!lE  
    maxfield = maxf() Lk,q~  
    if maxfield == 0 then maxfield = 1 7)jN:+4N  
    n = nsur() heou\;GI"  
    f = 1 M' z.d  
    label 1 CO@G%1#  
    hx = fldx(f)/maxfield 7`J2/(  
    hy = fldy(f)/maxfield Slg *[r#  
    raytrace hx,hy,0,0 c.Sd~k:3  
    format 10.4 B._YT   
    print 5aW#zgxXg  
    print "  X Field    = ", fldx(f), xRacgny:I  
    print "  Y Field    = ", fldy(f) ]VKQm(,0  
    print "  X Chief    = ",rayx(n), ub~ t}  
    print "  Y Chief    = ",rayy(n) dV38-IfGkl  
    xraymax = -9e9 -`XS2  
    yraymax = -9e9 9h\RXVk{tA  
    xraymin =  9e9 U[x$QG6m!  
    yraymin =  9e9 we`BqZV  
    xraytot = 0 '[liZCg  
    yraytot = 0 mbkt7. ,P  
    numray = 0 L5x;# \#p  
    numrayattempt = 0 %50)?J=zB  
    px = -1 - delta |8CxMs  
    label 2 4RVqfD  
    px = px + delta ;LP3  
    py = -1 - delta v[ML=pL  
    label 3 G8+&fn6  
    py = py + delta yZNG>1 N  
    rad = px*px + py*py VBi gUK4  
    if rad <= 0.9999999 C\5G43`  
            raytrace hx, hy, px, py |E?r+]  
            numrayattempt = numrayattempt+1 ;]grbqXVE  
            if !rayv(n)                                              **************************** R`<2DC>h9  
                    numray = numray + 1 tE=09J%z  
                    x = rayx(n) !Ea >tQ|  
                    y = rayy(n) hH5~T5?\  
                    if (x < xraymin) then xraymin = x 2mzn{S)nV  
                    if (x > xraymax) then xraymax = x LJ <pE;`d  
                    if (y < yraymin) then yraymin = y M#o.O?.`  
                    if (y > yraymax) then yraymax = y [k%hl`}  
                    xraytot = xraytot + x ni{'V4A  
                    yraytot = yraytot + y C`_/aR6  
            endif 2k<#e2  
    endif \78^ O  
    if py < 1.0 then goto 3 $Okmurnn  
    if px < 1.0 then goto 2 WlQCPC  
    if numray C5V}L  
            format 14.8 fdK E1,;  
            print "  X Centroid = ",xraytot/numray, 34!.5^T  
            print "  Y Centroid = ",yraytot/numray {p1`[R&n#  
            print "  X Middle   = ",(xraymax+xraymin)/2, P _fCb  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ^OQP;5 #K  
            format .0 w*XM*yJHU  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Q /?`);  
    else X,VI5$  
            print "  No rays made it through!" k"cMAu.  
    endif ~xxq.rL"  
    f=f+1 {7m2vv?Z  
    if f<= nfld() then goto 1 8a 8a:d  
    print 7<]&pSt=  
    print "All field positions done!" JR]elRR  
    FORMAT 0.1 lfM vNv  
    print "Elapsed time ", ETIM(), " seconds." n~yHt/T  
     
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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 `?=3[  
    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 1F0];{a  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  "6WJj3h N  
    Tl_o+jj  
    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 f .h$jyp(