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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············· ^:Vwblv(  
    {}ks[%,_\  
    macro 正文:········· \hSOJ,{)U  
    ! centroid.zpl AhOvI {  
    ! >mzK96  
    ! Written by Kenneth Moore 9/1/92 o g.LD7&/  
    ! Added TIMER function 4/18/96 3cK`RM `  
    ! [([?+Ouy  
    TIMER Pyc/6~ ?  
    ! '+tU8Pb  
    ! The delta controls how many rays will be traced. A uVJ;1H!  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. g`)2I+L7  
    ! q=8I0E&q  
    delta = .025 YKbR#DC\  
    ! SdF*"]t  
    print "This program computes the chief ray coordinates," 1=C>S2q  
    print "centroid coordinates, and middle coordinates for" E7E>w#T5  
    print "the primary wave spot at each field position." |sWH!:]49  
    maxfield = maxf() Lx&2)  
    if maxfield == 0 then maxfield = 1 AtNu:U$  
    n = nsur() <'H^}gQow  
    f = 1 JCNZtWF  
    label 1 lUXxpv1m  
    hx = fldx(f)/maxfield GJW>8*&&(  
    hy = fldy(f)/maxfield 9H5S@w[je  
    raytrace hx,hy,0,0 hz8Y2Ew  
    format 10.4 B9;dX6c  
    print )]Xj"V2  
    print "  X Field    = ", fldx(f), l%h0x*?$  
    print "  Y Field    = ", fldy(f) mq@2zE`.(  
    print "  X Chief    = ",rayx(n), o$I% 1  
    print "  Y Chief    = ",rayy(n) ]Auk5M+  
    xraymax = -9e9 qG.HJD  
    yraymax = -9e9 L1#z'<IO  
    xraymin =  9e9 :| J' HCth  
    yraymin =  9e9 H:x=v4NgsU  
    xraytot = 0 IDbqhZp(  
    yraytot = 0 `"J=\3->  
    numray = 0 d[ql7  
    numrayattempt = 0 =\Td~>  
    px = -1 - delta mXnl-_  
    label 2 Q jMH1S  
    px = px + delta l0Wp%T  
    py = -1 - delta &i*/}OZz  
    label 3 H8j#rC#&pm  
    py = py + delta F"xD^<i  
    rad = px*px + py*py ]8*#%^  
    if rad <= 0.9999999 4[t1"s~Wg  
            raytrace hx, hy, px, py 1au1DvH  
            numrayattempt = numrayattempt+1 ^`NU:"  
            if !rayv(n)                                              **************************** Y9fktg.  
                    numray = numray + 1 nff&~lwhZ  
                    x = rayx(n) .]`LR@qf  
                    y = rayy(n) C*kGB(H7  
                    if (x < xraymin) then xraymin = x Iy8>9m'5  
                    if (x > xraymax) then xraymax = x Rk8>Ak(/  
                    if (y < yraymin) then yraymin = y 26|2r  
                    if (y > yraymax) then yraymax = y o|lEF+  
                    xraytot = xraytot + x s-]k7a 2V  
                    yraytot = yraytot + y 3uO#/EbS  
            endif BE/#=$wPjM  
    endif [xiZkV([  
    if py < 1.0 then goto 3 U%3d_"{;  
    if px < 1.0 then goto 2 :eqDEmr>  
    if numray NqcmjHvy  
            format 14.8 a]^hcKo4  
            print "  X Centroid = ",xraytot/numray, C=L_@{^Rgb  
            print "  Y Centroid = ",yraytot/numray p$^}g:  
            print "  X Middle   = ",(xraymax+xraymin)/2, 1qXqQA  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ~[bS+ ]d!  
            format .0 =pQA!u]QE  
            print "  ",numray, " out of ", numrayattempt," rays made it through." NBzyP)2)  
    else 1SoKnfz{6  
            print "  No rays made it through!" kylR)  
    endif 37'@,*m`  
    f=f+1 ZzET8?8  
    if f<= nfld() then goto 1 ?r"][<  
    print iQsv^K!\  
    print "All field positions done!" %''z~LzJ8  
    FORMAT 0.1 4Eh 2sI  
    print "Elapsed time ", ETIM(), " seconds." 6B 4Sd  
     
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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 yGl (QLk  
    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 T'.U?G  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  7m0sF<P{g  
    _U)BOE0o  
    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 2\&uO