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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············· A/{pG#if]3  
    &Xe r#6~  
    macro 正文:········· h\'GL(?DBI  
    ! centroid.zpl FO_nS   
    ! KwPJ0 ]('_  
    ! Written by Kenneth Moore 9/1/92 rZu_"bcJ  
    ! Added TIMER function 4/18/96 k}ps-w6:  
    ! 98Srn63O  
    TIMER 2-llT  
    ! MGc=TQ.  
    ! The delta controls how many rays will be traced. A <tf4j3lwH  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. &-<"HW  
    ! L)8+/+  
    delta = .025 E=~H,~  
    ! s%GiM  
    print "This program computes the chief ray coordinates," ><LIOFqsS  
    print "centroid coordinates, and middle coordinates for" .~v~~VL1NS  
    print "the primary wave spot at each field position." +Jt"JJ>%k  
    maxfield = maxf() lx$Y-Tb^F  
    if maxfield == 0 then maxfield = 1 /T#<g:   
    n = nsur() C>v    
    f = 1 a47Btd'm  
    label 1 t vk^L3=<  
    hx = fldx(f)/maxfield ejgg.G ^  
    hy = fldy(f)/maxfield F1M@$S ,  
    raytrace hx,hy,0,0 t)cG_+rJ  
    format 10.4 a:zx&DwM  
    print `Z|s p  
    print "  X Field    = ", fldx(f), @KOa5-u  
    print "  Y Field    = ", fldy(f) ~lDLdUs  
    print "  X Chief    = ",rayx(n), yp@mxI@1  
    print "  Y Chief    = ",rayy(n) x ?^c:`.  
    xraymax = -9e9 T:)>Tcv}:  
    yraymax = -9e9 T d;e\s/]  
    xraymin =  9e9 rFx2 S  
    yraymin =  9e9 V2g$"W?3  
    xraytot = 0 Vaha--QB  
    yraytot = 0 ~;+i[Z&e  
    numray = 0 `W]a @\EYA  
    numrayattempt = 0 .&sguAyG  
    px = -1 - delta ` t6lnO  
    label 2 N"r ;d+LTL  
    px = px + delta Y\+^\`Tqu  
    py = -1 - delta ~%<PEl|  
    label 3 M<ad>M  
    py = py + delta 2CmeO&(Qf*  
    rad = px*px + py*py ;Ly4Z*!2  
    if rad <= 0.9999999 bzJKoxU  
            raytrace hx, hy, px, py uFok'3!g7%  
            numrayattempt = numrayattempt+1 2$\f !6p  
            if !rayv(n)                                              **************************** 6,@M0CX  
                    numray = numray + 1 hJ}G5pX  
                    x = rayx(n) G x,D'H'  
                    y = rayy(n) +vU.#C_2  
                    if (x < xraymin) then xraymin = x SbGp  
                    if (x > xraymax) then xraymax = x fLD9RZ8_  
                    if (y < yraymin) then yraymin = y 66|lQE&n  
                    if (y > yraymax) then yraymax = y M2s   
                    xraytot = xraytot + x  vo::y"  
                    yraytot = yraytot + y qL'3MY.!  
            endif 0I#<-9&d-  
    endif PN.6BJvu  
    if py < 1.0 then goto 3 3zl!x  
    if px < 1.0 then goto 2 61mQJHl.  
    if numray w}YHCh  
            format 14.8 {xH \!!"T  
            print "  X Centroid = ",xraytot/numray, AGv;8'`  
            print "  Y Centroid = ",yraytot/numray BMdr.0  
            print "  X Middle   = ",(xraymax+xraymin)/2, ;zCHEz  
            print "  Y Middle   = ",(yraymax+yraymin)/2 "q(&<+D@  
            format .0 <=zGaU,  
            print "  ",numray, " out of ", numrayattempt," rays made it through." <;XJ::d  
    else |hdh4P$+|  
            print "  No rays made it through!" B}MJ?uvA  
    endif /C(L(X  
    f=f+1 fk"{G>&8  
    if f<= nfld() then goto 1 8odVdivh  
    print nuCK7X  
    print "All field positions done!" \;?\@vo<  
    FORMAT 0.1 <pE G8_{}  
    print "Elapsed time ", ETIM(), " seconds." <]9MgfAe  
     
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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 UP`q6] P  
    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 !.9vW&t  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  [*G2wP[$  
    V.#8-?z  
    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 r6JkoP Mh