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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············· PO}Q8Q3  
    8:A<PV!+  
    macro 正文:········· ]{"(l(  
    ! centroid.zpl 1mjv~W  
    ! pGcc6q1  
    ! Written by Kenneth Moore 9/1/92 Y"lxh/l$}  
    ! Added TIMER function 4/18/96 I{Kc{MXn  
    ! YT3QwN9  
    TIMER wG|3 iFK  
    ! @qe>ph[UA  
    ! The delta controls how many rays will be traced. A e;pNB  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ke4q$pD  
    !  $}F]pa[  
    delta = .025 E8j9@BHU[r  
    ! wM yPR_  
    print "This program computes the chief ray coordinates," pIrAGA;  
    print "centroid coordinates, and middle coordinates for" T4#knSIlh  
    print "the primary wave spot at each field position." Bdg*XfXXk  
    maxfield = maxf() + zrwz\  
    if maxfield == 0 then maxfield = 1 |knP  
    n = nsur() 6d.m@T6~  
    f = 1 /Z% ?;  
    label 1 :E^B~ OuL  
    hx = fldx(f)/maxfield .ClCP?HG  
    hy = fldy(f)/maxfield (Q4_3<G+  
    raytrace hx,hy,0,0 [@y=% \%R  
    format 10.4 {xykf7zp  
    print I{AU,  
    print "  X Field    = ", fldx(f), ps [6)d)o  
    print "  Y Field    = ", fldy(f) M!hby31  
    print "  X Chief    = ",rayx(n), I/> IB   
    print "  Y Chief    = ",rayy(n) <s2l*mc  
    xraymax = -9e9 s7 KKH w  
    yraymax = -9e9 Pz)QOrrG~  
    xraymin =  9e9 mQvKreo~  
    yraymin =  9e9 j(BS;J$i  
    xraytot = 0 `kv$B3  
    yraytot = 0 RP X`2zr  
    numray = 0 k1U~S`>$  
    numrayattempt = 0 FKx9$B  
    px = -1 - delta e-')SB  
    label 2 nSow$6T_  
    px = px + delta a "DV`jn  
    py = -1 - delta ICTtubjV"  
    label 3 9j2I6lGQ  
    py = py + delta vX/A9Qi,U.  
    rad = px*px + py*py wW<"l"x,  
    if rad <= 0.9999999 ]dK]a:S  
            raytrace hx, hy, px, py aK&+p#4t  
            numrayattempt = numrayattempt+1 B0 I?  
            if !rayv(n)                                              **************************** ]~.J@ 1?  
                    numray = numray + 1 pzax~Vp  
                    x = rayx(n) 0V#t ;`Q3  
                    y = rayy(n) -5cH$]1\  
                    if (x < xraymin) then xraymin = x t(Zs*c(  
                    if (x > xraymax) then xraymax = x L@4zuzmlb  
                    if (y < yraymin) then yraymin = y p<zXuocQ  
                    if (y > yraymax) then yraymax = y j~E +6f \  
                    xraytot = xraytot + x ?iLd5 Z  
                    yraytot = yraytot + y ]18ygqt  
            endif -h@0 1  
    endif H/3Zdj 9  
    if py < 1.0 then goto 3 N39nJqo>"  
    if px < 1.0 then goto 2 ,4Fqvg  
    if numray (K6`nWk2  
            format 14.8 WDGGT .hG  
            print "  X Centroid = ",xraytot/numray, e87- B1`  
            print "  Y Centroid = ",yraytot/numray n2{{S(N  
            print "  X Middle   = ",(xraymax+xraymin)/2, N &[,nUd  
            print "  Y Middle   = ",(yraymax+yraymin)/2 M&ij[%i  
            format .0 6)U&XWH0  
            print "  ",numray, " out of ", numrayattempt," rays made it through." ~8m>DSs)D  
    else J4}\V$ysN  
            print "  No rays made it through!" rH9}nL  
    endif hcgc =$^  
    f=f+1 {?mQqoZ?.  
    if f<= nfld() then goto 1 Kyp0SZp[  
    print oe |e+  
    print "All field positions done!" GeaDaYh#T  
    FORMAT 0.1  ;Z q~w  
    print "Elapsed time ", ETIM(), " seconds." -z0{\=@#m  
     
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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 ;hA7<loY  
    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 *p&^!ct  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  _ktK+8*6`  
    Dxt),4 %P  
    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 fdlvn*H