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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············· ]S2[eS  
    rPGE-d3  
    macro 正文:········· L z>{FOR  
    ! centroid.zpl - 2na::<K  
    ! NF\^'W@N  
    ! Written by Kenneth Moore 9/1/92 H"RF[bX(  
    ! Added TIMER function 4/18/96 xEZVsz  
    ! b;;Kxi:7$}  
    TIMER k -DB~-L  
    ! {6y.%ysU  
    ! The delta controls how many rays will be traced. A yJ`1},^  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. k$x 'v#  
    ! "T1#*"{j  
    delta = .025 ^`r|3c0  
    ! *Qwhi&k  
    print "This program computes the chief ray coordinates," 8YLZ)k'  
    print "centroid coordinates, and middle coordinates for" aU8Ti8A>  
    print "the primary wave spot at each field position." ?Nze P?g  
    maxfield = maxf() $No>-^ )  
    if maxfield == 0 then maxfield = 1 . N} }cJq  
    n = nsur() M^Ay,jK!  
    f = 1 ^]!1'xg  
    label 1 K2o0L5Lke  
    hx = fldx(f)/maxfield @P5@ &G  
    hy = fldy(f)/maxfield "KE38`NL  
    raytrace hx,hy,0,0 )I-?zyL  
    format 10.4 I 3,e)Z  
    print )qP{X,Uf  
    print "  X Field    = ", fldx(f), B';> Hk  
    print "  Y Field    = ", fldy(f) \C2P{q/m  
    print "  X Chief    = ",rayx(n), x7kg_`\U  
    print "  Y Chief    = ",rayy(n) .,K?\WZ  
    xraymax = -9e9 !#gE'(J;c  
    yraymax = -9e9 QZa#i L  
    xraymin =  9e9 wOkJ:k   
    yraymin =  9e9 w |FV qX  
    xraytot = 0 o^"3C1j  
    yraytot = 0 i|{nj\6w^  
    numray = 0 DMZ aMY|  
    numrayattempt = 0 Qg$Nj=Cw  
    px = -1 - delta <RVtLTd/  
    label 2 c7Qa !w  
    px = px + delta |laKntv2  
    py = -1 - delta =y]b|"s~2  
    label 3 &vvx"  
    py = py + delta : It W|  
    rad = px*px + py*py k^\ &.63(  
    if rad <= 0.9999999 /IW=+ri  
            raytrace hx, hy, px, py >N1]h'q>  
            numrayattempt = numrayattempt+1 ` +UMZc  
            if !rayv(n)                                              **************************** E0A|+P '?  
                    numray = numray + 1 lR2;g:&H  
                    x = rayx(n) TdIFZ[<7  
                    y = rayy(n) 5Zm_^IS  
                    if (x < xraymin) then xraymin = x 4_0/]:~5  
                    if (x > xraymax) then xraymax = x n)!_HNc9  
                    if (y < yraymin) then yraymin = y 6$<o^Ha*R  
                    if (y > yraymax) then yraymax = y )j|y.[  
                    xraytot = xraytot + x yB{o_1tc  
                    yraytot = yraytot + y ko>O ~@r  
            endif e+ w  
    endif B(Q.a&w45t  
    if py < 1.0 then goto 3 mqT0^TNPcl  
    if px < 1.0 then goto 2 ,(W98}nB  
    if numray ^&/&I9z  
            format 14.8 |(v=1#i  
            print "  X Centroid = ",xraytot/numray, ?q}wl\"8  
            print "  Y Centroid = ",yraytot/numray JwVC?m).  
            print "  X Middle   = ",(xraymax+xraymin)/2, aDv/kFfn  
            print "  Y Middle   = ",(yraymax+yraymin)/2 i*w-Q=  
            format .0 QLU; .&  
            print "  ",numray, " out of ", numrayattempt," rays made it through." NG!Q< !Y  
    else fqsp1m$  
            print "  No rays made it through!" Wc>)/y5$  
    endif mg/kyua^  
    f=f+1 .ehvhMuG|  
    if f<= nfld() then goto 1 =>%%]0  
    print cP=mJ1  
    print "All field positions done!" <@!kR$Rd  
    FORMAT 0.1  CyDf[C)=  
    print "Elapsed time ", ETIM(), " seconds." /l%qq*Ew  
     
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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 F <Z=%M3e  
    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 +?tNly`  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  J1t?Qj;f3  
    R!CUR~F  
    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~C6+