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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············· yp@cn(:~  
    V~5vR`}  
    macro 正文:········· S$R=!3* "V  
    ! centroid.zpl RZSEcRlN  
    ! >yqEXx5{  
    ! Written by Kenneth Moore 9/1/92 &hi][Pt  
    ! Added TIMER function 4/18/96 /k^j'MMQs6  
    ! RU=g|TL  
    TIMER )=aq j@v  
    ! N[O_}_  
    ! The delta controls how many rays will be traced. A <S;YNHLC  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 3+:NX6Ewb*  
    ! ?Iaqbt%2  
    delta = .025 `Pwf?_2n-  
    ! = 1d$x:  
    print "This program computes the chief ray coordinates," 2(e;pM2Dq  
    print "centroid coordinates, and middle coordinates for" y^kC2DS   
    print "the primary wave spot at each field position." >qGWDCKr  
    maxfield = maxf() N "eK9>  
    if maxfield == 0 then maxfield = 1 F^TOLwix  
    n = nsur() P>x88M  
    f = 1 ^r]-v++  
    label 1 !}1l8Y  
    hx = fldx(f)/maxfield Ls.g\Gl3  
    hy = fldy(f)/maxfield |c-`XC2g  
    raytrace hx,hy,0,0 CPP9=CoR37  
    format 10.4 oW(8bd)  
    print mt e3k=17  
    print "  X Field    = ", fldx(f), 8 -b~p  
    print "  Y Field    = ", fldy(f) F%{z E ANm  
    print "  X Chief    = ",rayx(n), hKsx7`[  
    print "  Y Chief    = ",rayy(n) S=~+e{  
    xraymax = -9e9 o5Knot)Oy  
    yraymax = -9e9 (.{."  
    xraymin =  9e9 #}Ays#wA>?  
    yraymin =  9e9 a{?>F&vnU  
    xraytot = 0 6jl{^dI  
    yraytot = 0 Q-U,1b  
    numray = 0 3z8zZ1uzU  
    numrayattempt = 0 F1`mq2^@  
    px = -1 - delta =aehhs>  
    label 2 PM {L}tEQ  
    px = px + delta ~ r$I&8  
    py = -1 - delta MU N:}S  
    label 3 >4#\ U!  
    py = py + delta otP2qAI  
    rad = px*px + py*py )*o) iN 7l  
    if rad <= 0.9999999 :4COPUBpPV  
            raytrace hx, hy, px, py Ja@ ?.gW  
            numrayattempt = numrayattempt+1 ZQ[s:  
            if !rayv(n)                                              **************************** icK U)  
                    numray = numray + 1 rj5)b:c}  
                    x = rayx(n) [Kbna>`  
                    y = rayy(n) Me;Nn$'%  
                    if (x < xraymin) then xraymin = x ab6D&  
                    if (x > xraymax) then xraymax = x \}Pr!tk!  
                    if (y < yraymin) then yraymin = y ,l\D@<F  
                    if (y > yraymax) then yraymax = y z_z '3d.r7  
                    xraytot = xraytot + x Z \ -  
                    yraytot = yraytot + y qEjsAL  
            endif Pp|pH|(n ,  
    endif (fO~nN{F  
    if py < 1.0 then goto 3 8}^ym^H|j  
    if px < 1.0 then goto 2 wKz*)C  
    if numray qv/chD`C  
            format 14.8 r1$x}I#Zv  
            print "  X Centroid = ",xraytot/numray, vF@.B M>  
            print "  Y Centroid = ",yraytot/numray m(WVxVB  
            print "  X Middle   = ",(xraymax+xraymin)/2, \<y#$:4r<8  
            print "  Y Middle   = ",(yraymax+yraymin)/2 %,)Xi  
            format .0 .fY$$aD$4  
            print "  ",numray, " out of ", numrayattempt," rays made it through." j7HOh|q  
    else %E2C4UbY  
            print "  No rays made it through!" 061f  
    endif K%vGfQ8Er-  
    f=f+1 ]O+Nl5*  
    if f<= nfld() then goto 1 .GPuKP|  
    print h^b=  
    print "All field positions done!" sZU Ao&  
    FORMAT 0.1 ;{cl*EN  
    print "Elapsed time ", ETIM(), " seconds." cuQ=bRIb  
     
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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 cK+)MFOu+  
    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{o0Posg  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  8+ 1t ys  
    #SRGVa`x  
    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 R;f!s/^)