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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············· +7U$qEG  
    = 7d{lK  
    macro 正文:········· ( MWh|kp  
    ! centroid.zpl R+Dx#Wn I  
    ! jutEb@nog  
    ! Written by Kenneth Moore 9/1/92 &p8b4y_  
    ! Added TIMER function 4/18/96 3Wa^:8N  
    ! 3lcd:=  
    TIMER TppR \[4]  
    !  )o`|t  
    ! The delta controls how many rays will be traced. A a[Ah  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. g,h'K  
    ! )s5Q4m!  
    delta = .025 "-C.gqoB  
    ! 3,DUT{2  
    print "This program computes the chief ray coordinates," )cJ9YKKy  
    print "centroid coordinates, and middle coordinates for" sMlY!3{I x  
    print "the primary wave spot at each field position." vOy;=0$  
    maxfield = maxf() =e=sK'NvD  
    if maxfield == 0 then maxfield = 1 W&#Ps6)8  
    n = nsur() 8iaP(*J  
    f = 1 &<2~7?$!  
    label 1 x ok8  
    hx = fldx(f)/maxfield X31[  
    hy = fldy(f)/maxfield vnwS &;-k~  
    raytrace hx,hy,0,0 48vKUAzx`  
    format 10.4 u&z5)iU  
    print Aj((tMJNOw  
    print "  X Field    = ", fldx(f), lK;|ciq"c7  
    print "  Y Field    = ", fldy(f) piIj t  
    print "  X Chief    = ",rayx(n), 0}}b\!]9  
    print "  Y Chief    = ",rayy(n) h}r.(MVt  
    xraymax = -9e9 _^]2??V  
    yraymax = -9e9 :l ~Wt7R  
    xraymin =  9e9 ;)].Dj9  
    yraymin =  9e9 ZFpi'u.&  
    xraytot = 0 }c|)i,bL  
    yraytot = 0 I!>pHF4  
    numray = 0 zO)A_s.6K  
    numrayattempt = 0 wg?GEY  
    px = -1 - delta VN6h:-&iY  
    label 2 1ml>  
    px = px + delta 8 SFw|   
    py = -1 - delta ,'w9@A  
    label 3 RG[b+Qjn  
    py = py + delta 8 -]\C  
    rad = px*px + py*py i E p{  
    if rad <= 0.9999999 g:<2yT  
            raytrace hx, hy, px, py +)YU/41W  
            numrayattempt = numrayattempt+1 K,_d/(T4  
            if !rayv(n)                                              **************************** 3H"bivK  
                    numray = numray + 1 ZyAm:yO  
                    x = rayx(n) Ot,eAiaX  
                    y = rayy(n) o+Cd\D69S  
                    if (x < xraymin) then xraymin = x Q #!|h:K  
                    if (x > xraymax) then xraymax = x :+Ti^FF`w  
                    if (y < yraymin) then yraymin = y bit@Kv1<C  
                    if (y > yraymax) then yraymax = y [C_Dv-d  
                    xraytot = xraytot + x +9Vp<(  
                    yraytot = yraytot + y 86+nFk  
            endif J; @g#h?  
    endif {Aq2}sRl{  
    if py < 1.0 then goto 3 c*R?eLt/  
    if px < 1.0 then goto 2 vu7F>{D  
    if numray sX_6qKUH  
            format 14.8 f-]5ZhM'  
            print "  X Centroid = ",xraytot/numray, @px 4[  
            print "  Y Centroid = ",yraytot/numray o m9zb&{tu  
            print "  X Middle   = ",(xraymax+xraymin)/2, 2x3%*r$  
            print "  Y Middle   = ",(yraymax+yraymin)/2 SA3!a.*c  
            format .0 3pQ^vbQ"  
            print "  ",numray, " out of ", numrayattempt," rays made it through." R/5@*mv{  
    else :x*#RnRr.  
            print "  No rays made it through!" &.D#OnRh9  
    endif .]gY{_|x  
    f=f+1 ]&;M 78^6  
    if f<= nfld() then goto 1 Iq/V[v  
    print lxSCN6  
    print "All field positions done!" U`*L`PM  
    FORMAT 0.1 fT$Fv  
    print "Elapsed time ", ETIM(), " seconds." WBOebv  
     
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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 6B pm+}  
    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 OR\-%JX/5  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  s\-^vj3  
    ,;_D~7L  
    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 ]Mh7;&<6[