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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············· b%w?YR   
    l]BIFZ~  
    macro 正文:········· wnaT~r@U'  
    ! centroid.zpl CJ*8x7-t  
    ! f'hrS}e  
    ! Written by Kenneth Moore 9/1/92 sN6R0YW  
    ! Added TIMER function 4/18/96 j@jaFsX |  
    ! gr\UI!]F  
    TIMER Fdgu=qMm  
    ! icq!^5BzL  
    ! The delta controls how many rays will be traced. A %P!6cyQS  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 58x=CN\QU  
    ! 5iE-$,7#L  
    delta = .025 efj[7K.h  
    ! J2X;=X5  
    print "This program computes the chief ray coordinates," !d@qT.  
    print "centroid coordinates, and middle coordinates for" c/fU0cA@  
    print "the primary wave spot at each field position." 3$fzqFo  
    maxfield = maxf() ?0%yDq1_  
    if maxfield == 0 then maxfield = 1 FLT4:B7  
    n = nsur() `|Aj3a3sND  
    f = 1 _9%R U"  
    label 1 3b1;f)t  
    hx = fldx(f)/maxfield F iZe4{(p  
    hy = fldy(f)/maxfield Qh4@Nl#Ncf  
    raytrace hx,hy,0,0 R`? '|G]P  
    format 10.4 fi5x0El  
    print D%L}vugxK  
    print "  X Field    = ", fldx(f), ('H[[YODh  
    print "  Y Field    = ", fldy(f) jV83%%e  
    print "  X Chief    = ",rayx(n), H Aq  
    print "  Y Chief    = ",rayy(n) 'CE3 |x\%K  
    xraymax = -9e9 f+#^Lngo  
    yraymax = -9e9 `Sh#> Jp  
    xraymin =  9e9 1SddZ5  
    yraymin =  9e9 PuKT0*_ 7  
    xraytot = 0 ,>H(l$n  
    yraytot = 0 pLB~{5u>;-  
    numray = 0 cg16|  
    numrayattempt = 0 lX^yd5M&f  
    px = -1 - delta J$' Q3k  
    label 2 T$ <l<.Qd  
    px = px + delta x|>N   
    py = -1 - delta (/x%zmY;/U  
    label 3 AfU~k!4`  
    py = py + delta TQXp9juK  
    rad = px*px + py*py %Vf3r9 z  
    if rad <= 0.9999999 |y,%dFNLf  
            raytrace hx, hy, px, py $)UMRG  
            numrayattempt = numrayattempt+1 >LvQ&fAo  
            if !rayv(n)                                              **************************** M4MO)MYJ  
                    numray = numray + 1 L>4!@L5)  
                    x = rayx(n) tOQ2947zk  
                    y = rayy(n) 3em&7QM  
                    if (x < xraymin) then xraymin = x 0K+a/G@ n\  
                    if (x > xraymax) then xraymax = x A1VbqA  
                    if (y < yraymin) then yraymin = y }n!$)W*?  
                    if (y > yraymax) then yraymax = y fk*$}f  
                    xraytot = xraytot + x TR@*tfS  
                    yraytot = yraytot + y |=R@nn   
            endif p6UPP|-S  
    endif J.nJ@?O+  
    if py < 1.0 then goto 3 2n/cq K   
    if px < 1.0 then goto 2 ccUI\!TD{/  
    if numray x~!gGfP  
            format 14.8 /z'fFl^6O  
            print "  X Centroid = ",xraytot/numray, <4l;I*:2&  
            print "  Y Centroid = ",yraytot/numray {KH!PAh  
            print "  X Middle   = ",(xraymax+xraymin)/2, dfo_R  
            print "  Y Middle   = ",(yraymax+yraymin)/2 Me*woCos'  
            format .0 jv8diQ.  
            print "  ",numray, " out of ", numrayattempt," rays made it through." /UwB6s(  
    else l1<]pdLTR  
            print "  No rays made it through!" \FE  
    endif # Uc0 W  
    f=f+1 #3fS_;G  
    if f<= nfld() then goto 1 w6b\l1Z  
    print #*J+4a w3  
    print "All field positions done!" `5J`<BPs  
    FORMAT 0.1 u 2)#Ml  
    print "Elapsed time ", ETIM(), " seconds." OI@;ffHSW  
     
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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 `W& :*  
    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 FHoY=fCI  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  Q\!0V@$  
    PX5K-|R  
    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 |3h-F5V)