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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············· dSHDWu&  
    c7H^$_^=  
    macro 正文:········· YGNP53CU  
    ! centroid.zpl `Urhy#LC  
    ! t%8BK>AHvw  
    ! Written by Kenneth Moore 9/1/92 wUJcmM;  
    ! Added TIMER function 4/18/96 q!@4~plz  
    ! d&>^&>?$zh  
    TIMER "\yT7?},  
    ! 1< ?4\?j  
    ! The delta controls how many rays will be traced. A R=\IEqqsi  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 2&cT~ZX&'  
    ! , W?VhO  
    delta = .025 "#g}ve,  
    ! n `Ac 3A  
    print "This program computes the chief ray coordinates," ) )Za&S*<  
    print "centroid coordinates, and middle coordinates for" JW&gJASGC  
    print "the primary wave spot at each field position." {_*yGK48n  
    maxfield = maxf() E"IZ6)Q  
    if maxfield == 0 then maxfield = 1 ~"A0Rs=  
    n = nsur() c &c@M$  
    f = 1 'Pbr v  
    label 1 8eRLy/`gd  
    hx = fldx(f)/maxfield Q,Eo mt  
    hy = fldy(f)/maxfield Pg{J{gn  
    raytrace hx,hy,0,0 `WS&rmq&'  
    format 10.4 E{vbO/|kf  
    print 8{ I|$*nB  
    print "  X Field    = ", fldx(f), rvM{M/4  
    print "  Y Field    = ", fldy(f) %a7$QF]  
    print "  X Chief    = ",rayx(n), x?<FJ"8"k  
    print "  Y Chief    = ",rayy(n) 8zb /xP>  
    xraymax = -9e9 |uJ%5y#  
    yraymax = -9e9 ~V6D<  
    xraymin =  9e9 "J1 4C9u   
    yraymin =  9e9 |V(0GB  
    xraytot = 0 w32y3~  
    yraytot = 0 ~VB1OLgv#.  
    numray = 0 0*v2y*2V  
    numrayattempt = 0 -:rUw$3J  
    px = -1 - delta \{D" !e  
    label 2 zT{ VE+=  
    px = px + delta !5N.B|N t  
    py = -1 - delta  Fk;Rfqq  
    label 3 Uw:"n]G]D?  
    py = py + delta n&!-9:0  
    rad = px*px + py*py G+m }MOQP7  
    if rad <= 0.9999999 Pzem{y7Ir  
            raytrace hx, hy, px, py nr3==21Om4  
            numrayattempt = numrayattempt+1 ~>XxGjxe  
            if !rayv(n)                                              **************************** [N'h%1]\  
                    numray = numray + 1 O".=r}  
                    x = rayx(n) qxj(p o  
                    y = rayy(n) wgA_38To  
                    if (x < xraymin) then xraymin = x !`r$"}g  
                    if (x > xraymax) then xraymax = x GN>@ZdVG}#  
                    if (y < yraymin) then yraymin = y k;W XB|k  
                    if (y > yraymax) then yraymax = y 5-A\9UC*@  
                    xraytot = xraytot + x e#q}F>/L  
                    yraytot = yraytot + y D/' dTrR  
            endif 7-A2_!_x{  
    endif d"Y{UE  
    if py < 1.0 then goto 3 2t,zLwBdnJ  
    if px < 1.0 then goto 2 8b=_Y;  
    if numray ##ANrG l  
            format 14.8 Q59W#e)  
            print "  X Centroid = ",xraytot/numray, LIrb6g&xj_  
            print "  Y Centroid = ",yraytot/numray >R=|Wo`Ri  
            print "  X Middle   = ",(xraymax+xraymin)/2, W{aY}`  
            print "  Y Middle   = ",(yraymax+yraymin)/2 #A.@i+Zv  
            format .0 ?@89lLD  
            print "  ",numray, " out of ", numrayattempt," rays made it through." {GUF;V ^  
    else Y9|!+,  
            print "  No rays made it through!" DV{=n C  
    endif ,u!sjx  
    f=f+1 y+;|Fz  
    if f<= nfld() then goto 1 1YMh1+1  
    print J=yTbSN\v  
    print "All field positions done!" nj4/#W  
    FORMAT 0.1 i mM_H;-X  
    print "Elapsed time ", ETIM(), " seconds." Ap !lQ>p  
     
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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 Q=:|R3U/  
    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 nNU2([  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  2Wb]4-  
    FsryEHz  
    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 8ITdSg