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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············· 1['A1 ,  
    SE1 tlP  
    macro 正文:········· 6>Fw,$  
    ! centroid.zpl 6Xa2A 6  
    ! rv[\2@}  
    ! Written by Kenneth Moore 9/1/92 R_&>iu'[  
    ! Added TIMER function 4/18/96 3`y:W9!u  
    ! 0J" 3RTt  
    TIMER Ra5cfkH;  
    ! zq#o8))4X  
    ! The delta controls how many rays will be traced. A h=aHZ6v  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. E*$:~w  
    ! w>e OERZa  
    delta = .025 9z?F_=PB!  
    ! "#()4.9  
    print "This program computes the chief ray coordinates," )8_0d)  
    print "centroid coordinates, and middle coordinates for" YY9q'x,w  
    print "the primary wave spot at each field position." w;:,W@K  
    maxfield = maxf() T &1sfS,  
    if maxfield == 0 then maxfield = 1 S70ERRk  
    n = nsur() Jg:'gF]jt  
    f = 1 [O3R(`<e5  
    label 1 LLMkv!%D  
    hx = fldx(f)/maxfield >Y:ouN~<  
    hy = fldy(f)/maxfield sdY6_HtE  
    raytrace hx,hy,0,0 <5.{+!BM  
    format 10.4 = 2k+/0ZbP  
    print 0t~--/lA  
    print "  X Field    = ", fldx(f), $T6<9cB@  
    print "  Y Field    = ", fldy(f) ?'%&2M zM  
    print "  X Chief    = ",rayx(n), _VJb i,V  
    print "  Y Chief    = ",rayy(n) aCanDMcBnq  
    xraymax = -9e9 B3D4fYQ  
    yraymax = -9e9 tnsYY  
    xraymin =  9e9 BBX4^;t  
    yraymin =  9e9 NO&OuiN  
    xraytot = 0 ZE9*i}r  
    yraytot = 0 4DNZ y2`  
    numray = 0 k$hWR;U  
    numrayattempt = 0 %w@(V([(c  
    px = -1 - delta dZm{?\^_  
    label 2 ]KfHuYjM  
    px = px + delta 4]cOTXk9C  
    py = -1 - delta lfhB2^ ^  
    label 3 cc>h=%s`  
    py = py + delta k";;Snk  
    rad = px*px + py*py 5rc<ibGh  
    if rad <= 0.9999999 sU8D;ML7  
            raytrace hx, hy, px, py h1BdASn_  
            numrayattempt = numrayattempt+1 }>j$Wr_h  
            if !rayv(n)                                              **************************** aoBM _#  
                    numray = numray + 1 }b-?Dm_H  
                    x = rayx(n) `1P &  
                    y = rayy(n) d+bTRnL  
                    if (x < xraymin) then xraymin = x .{Xi&[jw  
                    if (x > xraymax) then xraymax = x Z/0M9 Q%  
                    if (y < yraymin) then yraymin = y Un<~P@T%  
                    if (y > yraymax) then yraymax = y -Ju!2by  
                    xraytot = xraytot + x `a J[ !O  
                    yraytot = yraytot + y ?O_;{(F_  
            endif CV`  I.  
    endif XW19hG  
    if py < 1.0 then goto 3 q3;HfZ  
    if px < 1.0 then goto 2 Oz+>I ^Q  
    if numray q[+];  
            format 14.8 3 -5^$-7_  
            print "  X Centroid = ",xraytot/numray, \dP2xou=  
            print "  Y Centroid = ",yraytot/numray 9;@6iv  
            print "  X Middle   = ",(xraymax+xraymin)/2, Fv3fad@x  
            print "  Y Middle   = ",(yraymax+yraymin)/2 m1(rAr1  
            format .0 ;xb:{?  
            print "  ",numray, " out of ", numrayattempt," rays made it through." LOQEU? z  
    else Tx!mW-Lt  
            print "  No rays made it through!" AttDD{Ta  
    endif ?(mlt"tPk  
    f=f+1 .rS0zU  
    if f<= nfld() then goto 1 <5nz:B/  
    print ub-ZrC'  
    print "All field positions done!" KQEnC`Nz  
    FORMAT 0.1 <)rol  
    print "Elapsed time ", ETIM(), " seconds." $Q ?<']|A  
     
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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 mio\}S A  
    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 %i 6i.TF  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  }\?UmuolQ  
    ===M/}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 M^S <G