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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············· )jn xR${M  
    Z(Xu>ap  
    macro 正文:········· 18F7;d N8  
    ! centroid.zpl n:HF&j4C,  
    ! 0nBAO  
    ! Written by Kenneth Moore 9/1/92 r6"t`M  
    ! Added TIMER function 4/18/96 KN5.2pp  
    ! f.Jz]WXw,  
    TIMER s<n5^Vxy  
    ! H"m^u6Cmy-  
    ! The delta controls how many rays will be traced. A DT;Hr4Z8^"  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. st~f}w@  
    ! >!?u8^C  
    delta = .025 fZ$8PMZv  
    ! .Q4EmpByCg  
    print "This program computes the chief ray coordinates," m;k' j@:  
    print "centroid coordinates, and middle coordinates for" Vc}m_ T]O  
    print "the primary wave spot at each field position." p^^E(<2  
    maxfield = maxf() hK3?m.> "g  
    if maxfield == 0 then maxfield = 1 MYDAS-  
    n = nsur() uee2WGD  
    f = 1 !'[f!vsyM{  
    label 1 * ix&"|h  
    hx = fldx(f)/maxfield 6l<q  
    hy = fldy(f)/maxfield N.l+9L0b  
    raytrace hx,hy,0,0 <T,vIXwu+  
    format 10.4 i.C+{QH  
    print %[l5){:05  
    print "  X Field    = ", fldx(f), @/g%l1$`  
    print "  Y Field    = ", fldy(f) g kT`C  
    print "  X Chief    = ",rayx(n), %@Bl,!BJ,  
    print "  Y Chief    = ",rayy(n) o+ r?N5  
    xraymax = -9e9 AQw1,tGV  
    yraymax = -9e9 eF823cH2x_  
    xraymin =  9e9 BRLrD/8Le  
    yraymin =  9e9 xrs?"]M[  
    xraytot = 0 IVjH.BzH9  
    yraytot = 0 40w,:$  
    numray = 0 v[E*K@6f  
    numrayattempt = 0 d,tGW  
    px = -1 - delta p8aGM-+40W  
    label 2 c |.~f+  
    px = px + delta N =FX3Z  
    py = -1 - delta P-o/ax  
    label 3 [+\=x[q  
    py = py + delta >4b:`L  
    rad = px*px + py*py |qnAqzK|  
    if rad <= 0.9999999 x1VBO.t=*  
            raytrace hx, hy, px, py &mXJL3iN  
            numrayattempt = numrayattempt+1 P:,'   
            if !rayv(n)                                              **************************** hd0d gc  
                    numray = numray + 1 Xn@\p5<  
                    x = rayx(n) SaceIV%(  
                    y = rayy(n) {]BPSj{B  
                    if (x < xraymin) then xraymin = x VRV*\*~$  
                    if (x > xraymax) then xraymax = x |Ii[WfFA|J  
                    if (y < yraymin) then yraymin = y TwJiYXHw?  
                    if (y > yraymax) then yraymax = y iI\ bD  
                    xraytot = xraytot + x $a.fQ<,\X  
                    yraytot = yraytot + y dCc"Qr[k  
            endif }tJR Bb  
    endif (c AWT,  
    if py < 1.0 then goto 3 RdaAS{>Sk  
    if px < 1.0 then goto 2 Hz~?"ts@;  
    if numray q#s:2#=  
            format 14.8 6Y9FU  
            print "  X Centroid = ",xraytot/numray, Bu7Ztt*  
            print "  Y Centroid = ",yraytot/numray 14>WpNN  
            print "  X Middle   = ",(xraymax+xraymin)/2, mUSrCU_}  
            print "  Y Middle   = ",(yraymax+yraymin)/2 PIOG| E  
            format .0 {x_SnZz&  
            print "  ",numray, " out of ", numrayattempt," rays made it through." y.vYT{^  
    else $]LhE:!G  
            print "  No rays made it through!" +5~5BZP  
    endif 9BR/zQ2  
    f=f+1 @N+ }cej  
    if f<= nfld() then goto 1 h.T]J9;9  
    print 8G3CQ]G  
    print "All field positions done!" VS` tj  
    FORMAT 0.1 }\ kLh(  
    print "Elapsed time ", ETIM(), " seconds." 0APh=Alq  
     
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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 k65V5lb  
    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 eAl;:0=%L  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  K@<%Vc>L(  
    a%YohfsY?U  
    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 T$IwrTF@?