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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<ZJb  
    F'21jy&  
    macro 正文:········· lgk  .CC  
    ! centroid.zpl 'd9INz.  
    ! 8]9%*2"!  
    ! Written by Kenneth Moore 9/1/92 $| @ (  
    ! Added TIMER function 4/18/96 HMNLa*CL'  
    ! "]} bFO7C  
    TIMER YpVD2.jy  
    ! fumm<:<CLO  
    ! The delta controls how many rays will be traced. A 1n;0?MIZ  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. J| w>a  
    ! Tw-;7Ae  
    delta = .025 8<QdMkI  
    ! Hquc o  
    print "This program computes the chief ray coordinates," R\!2l |_  
    print "centroid coordinates, and middle coordinates for" K  &N  
    print "the primary wave spot at each field position." 3`DQo%<  
    maxfield = maxf() uxr #QA  
    if maxfield == 0 then maxfield = 1 s;ls qQk  
    n = nsur() H&-zZc4\  
    f = 1 P/W XaE4  
    label 1 T4Pgbop  
    hx = fldx(f)/maxfield Q' {M L4  
    hy = fldy(f)/maxfield z7fp#>uw  
    raytrace hx,hy,0,0 ?^al9D[:lz  
    format 10.4 UM"- nZ>[  
    print kaVxT_  
    print "  X Field    = ", fldx(f), 4O^xY 6m  
    print "  Y Field    = ", fldy(f) lR6@ xJd:@  
    print "  X Chief    = ",rayx(n), gCB |DY  
    print "  Y Chief    = ",rayy(n) I;wp':  
    xraymax = -9e9 Rl?_^dPx  
    yraymax = -9e9 G3Hx! YW  
    xraymin =  9e9 286jI7T  
    yraymin =  9e9 G[uK-U  
    xraytot = 0 &]|?o_p3W  
    yraytot = 0 #lL^?|M  
    numray = 0 8;RUf~q?  
    numrayattempt = 0 3YOq2pW72G  
    px = -1 - delta TrEu'yxy8*  
    label 2 vXrx{5gz  
    px = px + delta }C"%p8=HM  
    py = -1 - delta :!WHFB o 8  
    label 3 1#< '&Lr  
    py = py + delta 3M[! N  
    rad = px*px + py*py $ r@zs'N  
    if rad <= 0.9999999 bN1|q| 9  
            raytrace hx, hy, px, py *&^Pj%DX  
            numrayattempt = numrayattempt+1 t%/&c::(6  
            if !rayv(n)                                              **************************** l<58A7  
                    numray = numray + 1 0d)M\lG  
                    x = rayx(n) FrGgga$  
                    y = rayy(n) Bu~]ey1  
                    if (x < xraymin) then xraymin = x "c%0P"u  
                    if (x > xraymax) then xraymax = x |6sp/38#p  
                    if (y < yraymin) then yraymin = y XpB_N{v9w  
                    if (y > yraymax) then yraymax = y Tztu}t]N  
                    xraytot = xraytot + x _{YWXRC#  
                    yraytot = yraytot + y l *(8i ^  
            endif 8mvy\l EEH  
    endif aFX=C >M  
    if py < 1.0 then goto 3 )-I { ^(  
    if px < 1.0 then goto 2 _7Ju  
    if numray 99e.n0  
            format 14.8 S6Q  
            print "  X Centroid = ",xraytot/numray, q$d>(vb q  
            print "  Y Centroid = ",yraytot/numray JzQ_{J`k  
            print "  X Middle   = ",(xraymax+xraymin)/2, H(ARw'M  
            print "  Y Middle   = ",(yraymax+yraymin)/2 X:"i4i[}{9  
            format .0 [Gb. JO}X  
            print "  ",numray, " out of ", numrayattempt," rays made it through." {T$9?`h~M  
    else q_[o" wq/  
            print "  No rays made it through!" G:<aB  
    endif k_#ak%m/  
    f=f+1 ]g3JZF-  
    if f<= nfld() then goto 1 {I%cx Q#y  
    print NZ:,ph  
    print "All field positions done!" =7=]{Cx[  
    FORMAT 0.1 pK>N-/?a  
    print "Elapsed time ", ETIM(), " seconds." t\dN DS  
     
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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 -$ls(oot  
    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 u&7[n_  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  |)v,2  
    V U3upy<  
    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 %Q|Atgp