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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············· *,X)tZ6VX  
    QgU]3`z"  
    macro 正文:········· nr]=O`Mvh  
    ! centroid.zpl 2@a'n@-  
    ! )isS^O$qH  
    ! Written by Kenneth Moore 9/1/92 HAO-|=c4  
    ! Added TIMER function 4/18/96  GhfhR^P  
    ! U=D;Cj Ah  
    TIMER 961&rR}d  
    ! la{?&75]  
    ! The delta controls how many rays will be traced. A [1(eSH  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. ,.P]5 lE  
    ! zdJPMNHg  
    delta = .025 jj&G[-"bv  
    ! rwDLBpk  
    print "This program computes the chief ray coordinates," bnfeZR1m_  
    print "centroid coordinates, and middle coordinates for" 85# 3|5n  
    print "the primary wave spot at each field position." ph6/+[:  
    maxfield = maxf() =~O3j:<6  
    if maxfield == 0 then maxfield = 1 &;ddnxFI  
    n = nsur() -btNwE6[.  
    f = 1 &pI\VIx ?  
    label 1 |5;,]lbt  
    hx = fldx(f)/maxfield P7}w^#x  
    hy = fldy(f)/maxfield :j+E]|d(~6  
    raytrace hx,hy,0,0 \)28,`  
    format 10.4 *=@8t^fa86  
    print ek)rsxf1A  
    print "  X Field    = ", fldx(f), BMAWjEr  
    print "  Y Field    = ", fldy(f) LeN }Q  
    print "  X Chief    = ",rayx(n), 8i "CU:(  
    print "  Y Chief    = ",rayy(n) X#axCDM-  
    xraymax = -9e9 9ls1y=M8J  
    yraymax = -9e9 e[x,@P`  
    xraymin =  9e9 uvl91~&G  
    yraymin =  9e9 o Rk'I  
    xraytot = 0 |6-9vU!LK?  
    yraytot = 0 $!G|+OuTR  
    numray = 0 MkVv5C  
    numrayattempt = 0 n2*Ua/J-8  
    px = -1 - delta E7h@c>IK  
    label 2 fQ~~%#z1  
    px = px + delta BpA7 z/  
    py = -1 - delta 9hK8dJw  
    label 3 `ci  P  
    py = py + delta ui8$F "I*  
    rad = px*px + py*py EM<W+YU  
    if rad <= 0.9999999 0e>?!Z E  
            raytrace hx, hy, px, py j*8Ze!^  
            numrayattempt = numrayattempt+1 GAH<  
            if !rayv(n)                                              **************************** hK4ww"-  
                    numray = numray + 1 7202N?a {  
                    x = rayx(n) b^i$2$9_  
                    y = rayy(n) Q +hOW-  
                    if (x < xraymin) then xraymin = x 9i#,V@  
                    if (x > xraymax) then xraymax = x f(}&8~&  
                    if (y < yraymin) then yraymin = y )+ G0m,n  
                    if (y > yraymax) then yraymax = y uF%N`e^S  
                    xraytot = xraytot + x Q >yj<DR  
                    yraytot = yraytot + y uR")@Tc  
            endif M&zB&Ia"'  
    endif rfdA?X{Q0  
    if py < 1.0 then goto 3 m q<:^  
    if px < 1.0 then goto 2 &VjPdu57  
    if numray !K_<7iExI\  
            format 14.8 +:#g6(P]  
            print "  X Centroid = ",xraytot/numray, n>^9+Rx|i  
            print "  Y Centroid = ",yraytot/numray 1\-lAk!   
            print "  X Middle   = ",(xraymax+xraymin)/2, #@Tm5z  
            print "  Y Middle   = ",(yraymax+yraymin)/2 P[`>*C\9c  
            format .0 \py&v5J)s!  
            print "  ",numray, " out of ", numrayattempt," rays made it through." x6T$HN/2  
    else y54RD/`-  
            print "  No rays made it through!" kVWrZ>McK  
    endif lh0G/8+C  
    f=f+1 ?~^p:T  
    if f<= nfld() then goto 1 %,N-M]Jf  
    print KPK`C0mg@k  
    print "All field positions done!" ctgH/SU  
    FORMAT 0.1 |[V6R\l39  
    print "Elapsed time ", ETIM(), " seconds." ]w)uo4<^J  
     
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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 {=^<yK2q  
    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 O$& 4{h`  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  )0@&pEObm  
    }D#[yE,=\  
    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 wpPCkfPyL