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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············· b.Wf*I?  
     &gIDcZ  
    macro 正文:········· )dFTH?Mpo  
    ! centroid.zpl %DJxUuh  
    ! |UbwPL_L  
    ! Written by Kenneth Moore 9/1/92 3)SO-Bz\  
    ! Added TIMER function 4/18/96 ,]ALyWGuX  
    ! gm;6v30e  
    TIMER B5%N@g$`j  
    ! DFvLCGkDk  
    ! The delta controls how many rays will be traced. A Mk-C&#'  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. # f~,8<K  
    ! y7 tK>aD}  
    delta = .025 MguH)r` uT  
    ! Gx75EQ2  
    print "This program computes the chief ray coordinates," &^-quzlZ  
    print "centroid coordinates, and middle coordinates for" Rb_HD  
    print "the primary wave spot at each field position." 1EW-%GQO  
    maxfield = maxf() 4%5H<:V7  
    if maxfield == 0 then maxfield = 1 enu",wC3  
    n = nsur() UnjUA!v  
    f = 1 c" mRMDg%  
    label 1 ^%|(dMo4  
    hx = fldx(f)/maxfield E3N4(V\*  
    hy = fldy(f)/maxfield <fY<.X  
    raytrace hx,hy,0,0 E%L]ifA9!  
    format 10.4 wA`A+Z2*?  
    print WFBg3#p  
    print "  X Field    = ", fldx(f), H^s@qh)L  
    print "  Y Field    = ", fldy(f) /uSEG<D  
    print "  X Chief    = ",rayx(n), sePOW#|  
    print "  Y Chief    = ",rayy(n) $;<h<#_n;  
    xraymax = -9e9 d7o~$4h|  
    yraymax = -9e9 ~5aq.hF1,A  
    xraymin =  9e9 xe)< )y  
    yraymin =  9e9 4i'2~w{/  
    xraytot = 0 r>lC(x\B  
    yraytot = 0 MmOGt!}9A  
    numray = 0 [MM11K  
    numrayattempt = 0 +nKxSjqI  
    px = -1 - delta %v++AcE  
    label 2 7{oG4X!  
    px = px + delta Z@j$i\,`  
    py = -1 - delta Hl&]r'bK  
    label 3 (tGK~!cAv  
    py = py + delta "HR &Rf k  
    rad = px*px + py*py S\<]|tM:x  
    if rad <= 0.9999999 _96hw8  
            raytrace hx, hy, px, py L4SvE^2+  
            numrayattempt = numrayattempt+1 p\e*eV1dxx  
            if !rayv(n)                                              **************************** :xd&V%u`  
                    numray = numray + 1 ?Mp)F2'  
                    x = rayx(n) tq9t(0EL  
                    y = rayy(n) zk]6|i$!I  
                    if (x < xraymin) then xraymin = x ZMJ\C|S:  
                    if (x > xraymax) then xraymax = x tZ1iaYbvV  
                    if (y < yraymin) then yraymin = y F0Xv84:O  
                    if (y > yraymax) then yraymax = y d87pQ3e:&  
                    xraytot = xraytot + x <wTkPErUG  
                    yraytot = yraytot + y <PkDfMx2  
            endif j#%*@]>Tg  
    endif m^_)aS  
    if py < 1.0 then goto 3 )|/t}|DIx  
    if px < 1.0 then goto 2 ))63?_  
    if numray hD58 s"L$  
            format 14.8 Jg|3Wjq5  
            print "  X Centroid = ",xraytot/numray, nLkC-+$tM  
            print "  Y Centroid = ",yraytot/numray WT(R =bLw  
            print "  X Middle   = ",(xraymax+xraymin)/2, LJZEM;;}  
            print "  Y Middle   = ",(yraymax+yraymin)/2 *n?6x!A  
            format .0 =_cWCl^5  
            print "  ",numray, " out of ", numrayattempt," rays made it through." "/hs@4{u9  
    else  6" 3!9JC  
            print "  No rays made it through!" rjU $*+  
    endif 'rf='Y  
    f=f+1 BU:s&+LYUv  
    if f<= nfld() then goto 1 A"eT @  
    print K1z"..(2J  
    print "All field positions done!" )@Xdr0  
    FORMAT 0.1 n*D)RiW  
    print "Elapsed time ", ETIM(), " seconds." l) VMF44  
     
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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 }9P)<[>  
    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 I[t)V*L9  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ~q|^z[7  
    8CEy#%7]}  
    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 f4w|