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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············· \D(6t!Ox  
    I#QBJ#  
    macro 正文:········· <@xp. Y  
    ! centroid.zpl u9rlNmf$  
    ! PV vNu5k  
    ! Written by Kenneth Moore 9/1/92 Bsi HVr  
    ! Added TIMER function 4/18/96 Wf/Gt\?  
    ! &gxRw l  
    TIMER #4"(M9kf  
    ! @O9.~6  
    ! The delta controls how many rays will be traced. A GFasGHAw  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ;rWgt!l  
    ! 4VINu9\V  
    delta = .025 Iih~W&  
    ! @'`!2[2'?  
    print "This program computes the chief ray coordinates," }N^.4HOS8  
    print "centroid coordinates, and middle coordinates for" >oi`%V  
    print "the primary wave spot at each field position." =zBcfFii`w  
    maxfield = maxf() 8<ZxE(v  
    if maxfield == 0 then maxfield = 1 An cmSi  
    n = nsur() [mph iH/  
    f = 1 3 RG*:9  
    label 1 VE5w!of  
    hx = fldx(f)/maxfield tr0P ;}=  
    hy = fldy(f)/maxfield BYuF$[3ya&  
    raytrace hx,hy,0,0 Xwy0dXko  
    format 10.4 V8ka*VJ(B  
    print j#d=V@=a  
    print "  X Field    = ", fldx(f), vcs=!Ace  
    print "  Y Field    = ", fldy(f) GlYNC&,VL  
    print "  X Chief    = ",rayx(n), x>vC;E${"  
    print "  Y Chief    = ",rayy(n) 9,\b$?9  
    xraymax = -9e9 d:*,HzG  
    yraymax = -9e9 R=P=?U.  
    xraymin =  9e9 tcyami6D4  
    yraymin =  9e9 5Z/xY &  
    xraytot = 0 7K3S\oPej  
    yraytot = 0 4E]w4BG)  
    numray = 0 M72.  
    numrayattempt = 0 X@KF}x's  
    px = -1 - delta C o v,#j j  
    label 2 *4#)or  
    px = px + delta ?t++IEoP  
    py = -1 - delta  nN1\  
    label 3 PjZsMHW%  
    py = py + delta JVbR5"+.  
    rad = px*px + py*py mUY+v>F  
    if rad <= 0.9999999 GJN"43  
            raytrace hx, hy, px, py (A(7?eq  
            numrayattempt = numrayattempt+1 (UWWULV  
            if !rayv(n)                                              **************************** v3!oY t:l  
                    numray = numray + 1 |}N -5U  
                    x = rayx(n) DXu915  
                    y = rayy(n) QcJ?1GwA"  
                    if (x < xraymin) then xraymin = x %suSZw`  
                    if (x > xraymax) then xraymax = x GlkTpX^b  
                    if (y < yraymin) then yraymin = y \M0-$&[+Z  
                    if (y > yraymax) then yraymax = y o1<Y#db[  
                    xraytot = xraytot + x 94 58.!3  
                    yraytot = yraytot + y BM5+;h !  
            endif 3lzjY.]Pgv  
    endif I3`WY-uv  
    if py < 1.0 then goto 3 As0E'n85  
    if px < 1.0 then goto 2 ;8\w$SPP  
    if numray o1C1F}gxU  
            format 14.8 ZXV_Dc   
            print "  X Centroid = ",xraytot/numray, "SC}C  
            print "  Y Centroid = ",yraytot/numray ?'ID7mL  
            print "  X Middle   = ",(xraymax+xraymin)/2,  *R1 m=  
            print "  Y Middle   = ",(yraymax+yraymin)/2 SQ%B"1&$D  
            format .0 |Iei!jm  
            print "  ",numray, " out of ", numrayattempt," rays made it through." MH@=Qqx#=t  
    else 8,iBG! RF  
            print "  No rays made it through!" 278:5yC  
    endif iAD'MB  
    f=f+1 D2N| A  
    if f<= nfld() then goto 1 u^.7zL+  
    print Qj;wk lq  
    print "All field positions done!" Fy:CG6@X  
    FORMAT 0.1 ROcI.tL  
    print "Elapsed time ", ETIM(), " seconds." IoO tn  
     
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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 #r5IwyL  
    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 BH`%3Mw  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  wl^7.IR  
    i sK_t*  
    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 "d5nVO/