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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············· =+_nVO*  
    ~2>Adp  
    macro 正文:········· 3PkZXeH/  
    ! centroid.zpl BP j?l  
    ! qcO~}MJr}^  
    ! Written by Kenneth Moore 9/1/92 v9H t~\>  
    ! Added TIMER function 4/18/96 vk|f"I  
    ! 2 K_ QZ  
    TIMER <N<0?GQ  
    ! c9c]1XJ  
    ! The delta controls how many rays will be traced. A @Nb/n  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. hRXnig{;3  
    ! J t.<Z&  
    delta = .025 I._ A  
    ! ZN H-0mk  
    print "This program computes the chief ray coordinates," ^;/~$  
    print "centroid coordinates, and middle coordinates for" "yH?df24  
    print "the primary wave spot at each field position." oC" [rn  
    maxfield = maxf() S8qg"YR  
    if maxfield == 0 then maxfield = 1 Re~6 '  
    n = nsur() ~hq\XQX  
    f = 1 >&HW6 c  
    label 1 F~=kMQO  
    hx = fldx(f)/maxfield W'9{2h6u(  
    hy = fldy(f)/maxfield Oa:C'M b  
    raytrace hx,hy,0,0  gwIR3u  
    format 10.4 ]?_~QE`  
    print .}F 39TS2  
    print "  X Field    = ", fldx(f), $G <r2lPy  
    print "  Y Field    = ", fldy(f) zW\a)~ E  
    print "  X Chief    = ",rayx(n), #rW-jW=A  
    print "  Y Chief    = ",rayy(n) ~I N g9|  
    xraymax = -9e9 .4ww5k>  
    yraymax = -9e9 2wO8;wiA  
    xraymin =  9e9 78]*Jx>L  
    yraymin =  9e9 rZ,3:x-:  
    xraytot = 0 x]YzVJ=Y  
    yraytot = 0 O: I]v@  
    numray = 0 #<Y3*^~5d  
    numrayattempt = 0 Ruq;:5u  
    px = -1 - delta #:=c)[G8  
    label 2 m^BXLG:b  
    px = px + delta 7_36xpw  
    py = -1 - delta i'CK/l.H  
    label 3 Zl%)#=kO  
    py = py + delta hwk] ;6[  
    rad = px*px + py*py FnVW%fh  
    if rad <= 0.9999999 /Q9Cvj)"  
            raytrace hx, hy, px, py _ LgP  
            numrayattempt = numrayattempt+1 r[):'ys,C  
            if !rayv(n)                                              **************************** q/w5Dx|:  
                    numray = numray + 1 5G6 Pp7[  
                    x = rayx(n) DMA7eZf'Hv  
                    y = rayy(n) CC@U'9]bH  
                    if (x < xraymin) then xraymin = x 3W ]zLUn  
                    if (x > xraymax) then xraymax = x %gn@B2z  
                    if (y < yraymin) then yraymin = y pno}`Cer  
                    if (y > yraymax) then yraymax = y hc$m1lLn  
                    xraytot = xraytot + x VQf^yq  
                    yraytot = yraytot + y p".wqg*W  
            endif Ax|'uvVAPT  
    endif M'|[:I.V  
    if py < 1.0 then goto 3 mGg/F&G9  
    if px < 1.0 then goto 2 [e\IHakj  
    if numray )Dms9:  
            format 14.8 *:\[;69[  
            print "  X Centroid = ",xraytot/numray, ]?}pJ28  
            print "  Y Centroid = ",yraytot/numray Jo8fMG\P  
            print "  X Middle   = ",(xraymax+xraymin)/2, sBWyUD  
            print "  Y Middle   = ",(yraymax+yraymin)/2 |H8C4^1Rq  
            format .0 gs0 jwI  
            print "  ",numray, " out of ", numrayattempt," rays made it through." d8 ~%(I9  
    else GLub5GrxR  
            print "  No rays made it through!" zGme}z;1@  
    endif YG?4DF  
    f=f+1 bCTN^  
    if f<= nfld() then goto 1 LIJ#nb  
    print e6J>qwD?  
    print "All field positions done!" _UP 9b@Z"  
    FORMAT 0.1 Z;u3G4XlF  
    print "Elapsed time ", ETIM(), " seconds." .|DrXJ \c  
     
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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 D@5h$ m5  
    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 pp#!sRUKPV  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  &liFUP?   
     *ni0.  
    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 pJo4&Ff