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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'8|5tPX  
    L>!8YUz7p$  
    macro 正文:········· { F'Kk\f%:  
    ! centroid.zpl zOHypazOTq  
    ! `/"nTB  
    ! Written by Kenneth Moore 9/1/92 l{:a1^[>y  
    ! Added TIMER function 4/18/96  cO\-  
    ! jSOS}!=  
    TIMER dLvJh#`o  
    ! @)>D))+  
    ! The delta controls how many rays will be traced. A aZet0?Qr  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. F( Ak  
    ! j}F-Xs+  
    delta = .025 v[TYc:L=  
    ! ?sBh=Ds  
    print "This program computes the chief ray coordinates," dl5=q\1=  
    print "centroid coordinates, and middle coordinates for" nx:KoB"ny  
    print "the primary wave spot at each field position." rVtw-[p  
    maxfield = maxf() PSRzrv$l  
    if maxfield == 0 then maxfield = 1 4Hb $0l  
    n = nsur() l;"Ab?P\  
    f = 1 0Rz(|jlbS  
    label 1 Vvt  ;  
    hx = fldx(f)/maxfield W%e_~$H0  
    hy = fldy(f)/maxfield [U8$HQ+x  
    raytrace hx,hy,0,0 Jz:r7w{4eB  
    format 10.4 16X@^j_   
    print Z,c,G2D  
    print "  X Field    = ", fldx(f), [pg}S#A  
    print "  Y Field    = ", fldy(f) a=xT(G0Re  
    print "  X Chief    = ",rayx(n), ?-OPX_i_  
    print "  Y Chief    = ",rayy(n) 4KI [D{  
    xraymax = -9e9 F_ 7H!F  
    yraymax = -9e9 Ch_xyuJ  
    xraymin =  9e9 p<`+sf}A:  
    yraymin =  9e9 WlV z,t'if  
    xraytot = 0 +'#oz+  
    yraytot = 0 Jqr)V2Y  
    numray = 0 `Zz uo16  
    numrayattempt = 0 tZ2K$!/B  
    px = -1 - delta u/Fj'*M  
    label 2  T7$S_  
    px = px + delta sk2%  
    py = -1 - delta 2UP,Tgn..  
    label 3 Q0_>'sEM  
    py = py + delta !&] z*t  
    rad = px*px + py*py Zg:gY"^  
    if rad <= 0.9999999 g):]'  
            raytrace hx, hy, px, py (LJ@S eM;  
            numrayattempt = numrayattempt+1 68R1AqU_  
            if !rayv(n)                                              **************************** MR'o{?{e`  
                    numray = numray + 1 kw,$NK'  
                    x = rayx(n) 9l+{OA  
                    y = rayy(n) 7ODaX.t->  
                    if (x < xraymin) then xraymin = x 9.M{M06;  
                    if (x > xraymax) then xraymax = x ohc1 ~?3b  
                    if (y < yraymin) then yraymin = y Q;h3v1GC\P  
                    if (y > yraymax) then yraymax = y \k.vN@K#  
                    xraytot = xraytot + x !:fv>FEI9  
                    yraytot = yraytot + y *(GZ^QH.  
            endif 7\/5r.  
    endif Zv qn%K],  
    if py < 1.0 then goto 3 Az,- Cq  
    if px < 1.0 then goto 2 UQd6/mD`e  
    if numray t7F.[uWD  
            format 14.8 rUwE?Ekn/  
            print "  X Centroid = ",xraytot/numray, */OI *{Q  
            print "  Y Centroid = ",yraytot/numray ; !$m1  
            print "  X Middle   = ",(xraymax+xraymin)/2, !rTmR@e$/  
            print "  Y Middle   = ",(yraymax+yraymin)/2 MonS hIz  
            format .0 +=c am/A  
            print "  ",numray, " out of ", numrayattempt," rays made it through." yu&Kh4AP  
    else R[A5JQ$[  
            print "  No rays made it through!" L2-^! '  
    endif 45}v^|Je\  
    f=f+1 8&}~'4[b[$  
    if f<= nfld() then goto 1 'pP-rdx  
    print @?&Wm3x9  
    print "All field positions done!" $W!]fcZlB  
    FORMAT 0.1 hSqMaX%G  
    print "Elapsed time ", ETIM(), " seconds." P#G.lft"O  
     
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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 mf4z?G@6  
    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 9C1b^^Kb  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  |)';CBb  
    z qO$  
    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 +H?<}N*T