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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············· { + Zd*)M[  
    C(#u[8  
    macro 正文:········· QSszn`e  
    ! centroid.zpl 8TLgNQP  
    ! QD:{U8YbF$  
    ! Written by Kenneth Moore 9/1/92 o4K ~  
    ! Added TIMER function 4/18/96 ;; C?{  
    ! GS a [ oh  
    TIMER ,}EC F>  
    ! 4,CXJ2  
    ! The delta controls how many rays will be traced. A XkXHGDEf1  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. -xEXN[\S  
    ! 1p/3!1  
    delta = .025 ZaV8qAsP  
    ! kT"Kyd  
    print "This program computes the chief ray coordinates," 7Z\--=;|[:  
    print "centroid coordinates, and middle coordinates for" MHX?@. v  
    print "the primary wave spot at each field position." VcSVu  
    maxfield = maxf() s/q7.y7n{  
    if maxfield == 0 then maxfield = 1 g1W.mAA3B  
    n = nsur() w35J.zn  
    f = 1 smRE!f*q  
    label 1 vdx0i&RiL  
    hx = fldx(f)/maxfield jB$IyQ;@  
    hy = fldy(f)/maxfield T_@K& <  
    raytrace hx,hy,0,0 ]|zp0d=&o  
    format 10.4 17oa69G  
    print rvbLyv;~  
    print "  X Field    = ", fldx(f), |:xYE{*)H  
    print "  Y Field    = ", fldy(f) \Zqng  
    print "  X Chief    = ",rayx(n), [<g?WPCcC  
    print "  Y Chief    = ",rayy(n) beRVD>T  
    xraymax = -9e9 M<.d8?p )  
    yraymax = -9e9 )FF>IFHG  
    xraymin =  9e9 si`A:14R  
    yraymin =  9e9 [y'f|XN  
    xraytot = 0 m'6&9Ja k  
    yraytot = 0 h]5C|M|  
    numray = 0 7hlO#PYZ  
    numrayattempt = 0 A: 5x|  
    px = -1 - delta H%UL%l$  
    label 2 /%}*Xh  
    px = px + delta JEahGzO  
    py = -1 - delta {mZC$U'  
    label 3 6K-_pg]  
    py = py + delta TZ(cu>  
    rad = px*px + py*py w)kNkD  
    if rad <= 0.9999999 5NS[dQG5  
            raytrace hx, hy, px, py K?B{rE Lp  
            numrayattempt = numrayattempt+1 RrX[|GLSJ  
            if !rayv(n)                                              ****************************  86 W9rR  
                    numray = numray + 1 ]h* c,.  
                    x = rayx(n) 5iz{op<$,  
                    y = rayy(n) #{?PbBE}  
                    if (x < xraymin) then xraymin = x 8\^}~s$$A  
                    if (x > xraymax) then xraymax = x s%C)t6`9  
                    if (y < yraymin) then yraymin = y ?Z Rs\+{vG  
                    if (y > yraymax) then yraymax = y \Xm,OE_v"  
                    xraytot = xraytot + x .S(TxksCz  
                    yraytot = yraytot + y m?pstuUK(  
            endif ,SynnE68  
    endif 5][Ztx  
    if py < 1.0 then goto 3 -+ SF  
    if px < 1.0 then goto 2 Cjqklb/  
    if numray xO^:_8=&:  
            format 14.8 PP;}e  
            print "  X Centroid = ",xraytot/numray, /^X/8  
            print "  Y Centroid = ",yraytot/numray +$C 4\$t  
            print "  X Middle   = ",(xraymax+xraymin)/2, Ir`eL  
            print "  Y Middle   = ",(yraymax+yraymin)/2 }.3nthgz  
            format .0 -fwoTGlX  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 96 q_ K84K  
    else {1V($aBl  
            print "  No rays made it through!" QMa;Gy  
    endif $@^pAP   
    f=f+1 Hyb3 ;yQ  
    if f<= nfld() then goto 1 \>jLRb|7Ts  
    print ;> _$`  
    print "All field positions done!" OMWbZ>jB  
    FORMAT 0.1 P3cRl']  
    print "Elapsed time ", ETIM(), " seconds." //T>G_1  
     
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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 u.mJQDTH  
    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 >sWp ?  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  a"FCZ.O1  
    8g&? Cc  
    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 Cq%IE^g<