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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············· p8-$MF]] 6  
    ,38M6yD  
    macro 正文:········· v_U/0 0  
    ! centroid.zpl M,ybj5:6  
    ! 80g}<Lwc  
    ! Written by Kenneth Moore 9/1/92 b5]<!~Fv:`  
    ! Added TIMER function 4/18/96 "0 %f R"  
    ! 9yTDuhJ6  
    TIMER jP}Ry=V/  
    ! <zTz/Hk`  
    ! The delta controls how many rays will be traced. A  HRbv%  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. toD!RE  
    ! ~}ifwm'7 a  
    delta = .025 PcZ<JJ16F$  
    ! bw/mF5AsW  
    print "This program computes the chief ray coordinates," \/SOpC  
    print "centroid coordinates, and middle coordinates for" Yuf+d-%  
    print "the primary wave spot at each field position." 6+ptL-Zt<  
    maxfield = maxf() e2V;6N  
    if maxfield == 0 then maxfield = 1 %1#|>^  
    n = nsur() &#u\@Qze  
    f = 1 yk4py0xVl  
    label 1 5$> buYF  
    hx = fldx(f)/maxfield Dt7z<1-)l  
    hy = fldy(f)/maxfield FcZ)^RQ4G  
    raytrace hx,hy,0,0 seAEv0YWz  
    format 10.4  Glx{Zu=  
    print iI'ib-d  
    print "  X Field    = ", fldx(f), bcu Uej:  
    print "  Y Field    = ", fldy(f) D(|+z-}M  
    print "  X Chief    = ",rayx(n), (Lh!7g/0N  
    print "  Y Chief    = ",rayy(n) G[>CBh5  
    xraymax = -9e9 L$!2<eK  
    yraymax = -9e9 @J6r;4|&  
    xraymin =  9e9 kt_O=  
    yraymin =  9e9 I(&N2L$-  
    xraytot = 0 %1GKN|7  
    yraytot = 0 uuh._H}-  
    numray = 0 n|Y}M]u,  
    numrayattempt = 0 C-,#t5eir  
    px = -1 - delta KX!/n`2u  
    label 2 n[i:$! ,  
    px = px + delta 7iv g3*  
    py = -1 - delta w&es N$2  
    label 3 x+%> 2qgj"  
    py = py + delta KC9VQeSc  
    rad = px*px + py*py o,J8n;"l  
    if rad <= 0.9999999 5oB#{h  
            raytrace hx, hy, px, py fo>_*6i74  
            numrayattempt = numrayattempt+1 %Rr_fSoV  
            if !rayv(n)                                              **************************** TL$w~dY  
                    numray = numray + 1 Y Fj#{C.  
                    x = rayx(n) N(J#<;!yb  
                    y = rayy(n) [;-;{ *{G  
                    if (x < xraymin) then xraymin = x  '@.Lg0`  
                    if (x > xraymax) then xraymax = x I`g&>  
                    if (y < yraymin) then yraymin = y HKOSS-`5  
                    if (y > yraymax) then yraymax = y x2b t^!t.  
                    xraytot = xraytot + x MX!N?k#KhP  
                    yraytot = yraytot + y n >E1\($  
            endif } 21!b :a  
    endif SjA'<ZX>TM  
    if py < 1.0 then goto 3 U F89gG4  
    if px < 1.0 then goto 2 Edcv>}PfE  
    if numray w_QWTD 0  
            format 14.8 ,*x/L?.Z!  
            print "  X Centroid = ",xraytot/numray, B'vIL'  
            print "  Y Centroid = ",yraytot/numray ZN'B @E=p  
            print "  X Middle   = ",(xraymax+xraymin)/2, fcohYo5mh  
            print "  Y Middle   = ",(yraymax+yraymin)/2 e!C,<W&B\  
            format .0 R Eo{E  
            print "  ",numray, " out of ", numrayattempt," rays made it through." hQ L@q7tUr  
    else .]<iRf[\[  
            print "  No rays made it through!" N0K <zxR  
    endif [V;u7Z\r-  
    f=f+1 C4-%|+Q i  
    if f<= nfld() then goto 1 DmB?.l-  
    print ].QzOV'  
    print "All field positions done!" Lke!VS!P&  
    FORMAT 0.1 bG.`>   
    print "Elapsed time ", ETIM(), " seconds." 28}L.>5k  
     
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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 Y31e1   
    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 StLbX?d6  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  {-)I2GJav  
    Tx$bg(  
    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  KzZRFEA_