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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············· N=1ue`i  
    cgrSd99.  
    macro 正文:········· {FvFah  
    ! centroid.zpl Hj{.{V  
    ! 0 (-4"u>?  
    ! Written by Kenneth Moore 9/1/92 .?6p~  
    ! Added TIMER function 4/18/96 [oU\l+t  
    ! NuR7pjNMZ  
    TIMER ~ q-Z-MA  
    ! O^~IY/[  
    ! The delta controls how many rays will be traced. A S~aWun  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. <)T| HKx  
    ! 4u}Cki,vOK  
    delta = .025 Vt}QP Nt  
    ! ; H ;h[  
    print "This program computes the chief ray coordinates," f9u=h}  
    print "centroid coordinates, and middle coordinates for" h s',f  
    print "the primary wave spot at each field position." (%L /|F_  
    maxfield = maxf() >ZOlSLu  
    if maxfield == 0 then maxfield = 1 HN5661;8  
    n = nsur() Qz|T0\=V  
    f = 1 @lj|  
    label 1 06Wqfzceb  
    hx = fldx(f)/maxfield G7&TMg7i  
    hy = fldy(f)/maxfield rlKR <4H  
    raytrace hx,hy,0,0 aDRcVA$*  
    format 10.4 mh}D[K=~%  
    print } KyoMs  
    print "  X Field    = ", fldx(f), GLO3v. n;  
    print "  Y Field    = ", fldy(f) j ^j"w(a  
    print "  X Chief    = ",rayx(n), !lfE7|\p  
    print "  Y Chief    = ",rayy(n) 0`S{>G  
    xraymax = -9e9 "G@K(bnHn  
    yraymax = -9e9 c0Ih$z  
    xraymin =  9e9 ^~V2xCu!  
    yraymin =  9e9 _\\Al v.  
    xraytot = 0 MBt\"b#t  
    yraytot = 0 As46:<!2  
    numray = 0 u1X^#K$nu'  
    numrayattempt = 0 nvndgeSy  
    px = -1 - delta yq ;[1O_9C  
    label 2 tNFw1&  
    px = px + delta L/rf5||@  
    py = -1 - delta 4x)vy -y  
    label 3 JY CMW! ~  
    py = py + delta Aeh #  
    rad = px*px + py*py lW| =rq-|  
    if rad <= 0.9999999 iKo2bC:.&  
            raytrace hx, hy, px, py ^ELZ35=qZ  
            numrayattempt = numrayattempt+1 fr(Ja;  
            if !rayv(n)                                              **************************** J*rYw5QB  
                    numray = numray + 1 +ytP5K7  
                    x = rayx(n) eaf-_#qb  
                    y = rayy(n) nRBS&&V  
                    if (x < xraymin) then xraymin = x a9e0lW:=c  
                    if (x > xraymax) then xraymax = x %}TJr]'F  
                    if (y < yraymin) then yraymin = y a^l)vh{+  
                    if (y > yraymax) then yraymax = y jm%s#`)g  
                    xraytot = xraytot + x TQck$&  
                    yraytot = yraytot + y n}a`|Nbk  
            endif SN@>mpcJS  
    endif 2*75*EQCH  
    if py < 1.0 then goto 3 dGk"`/@  
    if px < 1.0 then goto 2 `C: 7 N=9  
    if numray q!Ek EW\n  
            format 14.8 8D)1ZUx7`  
            print "  X Centroid = ",xraytot/numray, 8/>.g.]  
            print "  Y Centroid = ",yraytot/numray t4UK~ {gh  
            print "  X Middle   = ",(xraymax+xraymin)/2, =7}1NeC`  
            print "  Y Middle   = ",(yraymax+yraymin)/2 _{'[Uf/l  
            format .0 KMi$0+  
            print "  ",numray, " out of ", numrayattempt," rays made it through." AwG0E `SU  
    else 8i[TeW"  
            print "  No rays made it through!" @H`jDaB 9  
    endif |*t2IVwX  
    f=f+1 M#4;y,n<k  
    if f<= nfld() then goto 1 lUjZ=3"'  
    print /b>xQ.G  
    print "All field positions done!" goiI* " 6M  
    FORMAT 0.1 !$l<'K$  
    print "Elapsed time ", ETIM(), " seconds." !T<,fR+8X  
     
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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 .b_ppieNY  
    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 oMAUR "  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  VTR4uT-  
    fk15O_#3  
    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 vv)O+xt