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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············· 0^d<@\  
    !Okl3 !fC  
    macro 正文:········· lvR>%I0`*  
    ! centroid.zpl :vFYqoCn  
    ! 7e)j|a-!<  
    ! Written by Kenneth Moore 9/1/92 1b2xWzpG  
    ! Added TIMER function 4/18/96 MJn=  
    ! - C8VDjf9  
    TIMER i`w&{WTRQ  
    ! 0p*Oxsy  
    ! The delta controls how many rays will be traced. A AbX#wpp!  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. $o ;48uV^  
    ! Zo Ra^o  
    delta = .025 8;3I:z&muQ  
    ! @A-E  
    print "This program computes the chief ray coordinates," )qDV3   
    print "centroid coordinates, and middle coordinates for" OHH\sA  
    print "the primary wave spot at each field position." WvcPOt8Bp>  
    maxfield = maxf() 4y,pzQ8a  
    if maxfield == 0 then maxfield = 1 {@tO9pc`8  
    n = nsur()  ]C-a[  
    f = 1 LP?*RrM  
    label 1 b,#?LdQ%  
    hx = fldx(f)/maxfield :M@#.  
    hy = fldy(f)/maxfield Ye/Y<Ij  
    raytrace hx,hy,0,0 ;F /w&u.n  
    format 10.4 0.^67'  
    print 7K24sHw;%  
    print "  X Field    = ", fldx(f), UrdSo"%  
    print "  Y Field    = ", fldy(f) _u#r;h[  
    print "  X Chief    = ",rayx(n), )jw!, "_4  
    print "  Y Chief    = ",rayy(n) bZgFea_>i  
    xraymax = -9e9 r <2&_$|  
    yraymax = -9e9 V~QOl=`K:  
    xraymin =  9e9 07vzVsQ}p  
    yraymin =  9e9 K6nNrd}p:  
    xraytot = 0 h- %RSei5  
    yraytot = 0 |u[@g`Z  
    numray = 0 #\6k_toZ  
    numrayattempt = 0 `bNLmTS  
    px = -1 - delta 1 @q"rPE^  
    label 2 0BP=SCi  
    px = px + delta <,&t}7M/:  
    py = -1 - delta io7Zv*&T0  
    label 3 D!V*H?;U  
    py = py + delta LUA<N:  
    rad = px*px + py*py y6>fK@K~  
    if rad <= 0.9999999 r3~YGY  
            raytrace hx, hy, px, py [XD3}'Aa  
            numrayattempt = numrayattempt+1 M{X; H'2  
            if !rayv(n)                                              **************************** 3o_@3-Y%  
                    numray = numray + 1 Rab7Y,AA  
                    x = rayx(n) "]yfx@)_  
                    y = rayy(n) |bk$VT4\  
                    if (x < xraymin) then xraymin = x stq%Eg?  
                    if (x > xraymax) then xraymax = x hhJs$c(  
                    if (y < yraymin) then yraymin = y W'Y#(N[ktP  
                    if (y > yraymax) then yraymax = y zCj#Nfm  
                    xraytot = xraytot + x j"vL$h  
                    yraytot = yraytot + y gzp]hh@4  
            endif ['aiNhlbt  
    endif Az6tu <  
    if py < 1.0 then goto 3 `M ~-(,++  
    if px < 1.0 then goto 2 E~`<n]{G-C  
    if numray O/fm/  
            format 14.8 0G8zFe*p  
            print "  X Centroid = ",xraytot/numray, %WFZ&>en&  
            print "  Y Centroid = ",yraytot/numray +QEiY~i  
            print "  X Middle   = ",(xraymax+xraymin)/2, f|{&Y2h(R  
            print "  Y Middle   = ",(yraymax+yraymin)/2 28lor&Cc  
            format .0 ^dKtUH/78G  
            print "  ",numray, " out of ", numrayattempt," rays made it through." W<Asr@  
    else wU&vkb)k  
            print "  No rays made it through!" *YP;HL  
    endif @E?o~jO(e  
    f=f+1 ]J.|XRp/  
    if f<= nfld() then goto 1 Jy-V\.N>s  
    print Vd A!tL  
    print "All field positions done!" e^-CxHwA-  
    FORMAT 0.1 P:m6:F@hO  
    print "Elapsed time ", ETIM(), " seconds." {0\9HI@  
     
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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 NoT%z$ 1n  
    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 =LKf.@]#  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  T%w5%{dqJ  
    #q6#nfi"  
    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 .TNGiUzG