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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············· %BkE %ZcZ  
    bOr11?  
    macro 正文:········· %(eQ1ir+  
    ! centroid.zpl [6mK<A,/  
    ! 0@ "'SKq  
    ! Written by Kenneth Moore 9/1/92 M+ %O-B  
    ! Added TIMER function 4/18/96 WkA47+DsV  
    ! ?Xypn#OPt  
    TIMER 1 gjaTPwY  
    ! *% ;A85V/  
    ! The delta controls how many rays will be traced. A Cb{D[  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. U U_0@V<  
    ! xQvI$vP  
    delta = .025 M,H8ZO:R  
    ! UDi(7c0.  
    print "This program computes the chief ray coordinates," 9/0H,qZc  
    print "centroid coordinates, and middle coordinates for" x/<]/D  
    print "the primary wave spot at each field position." <pb  
    maxfield = maxf() VX.LL 5  
    if maxfield == 0 then maxfield = 1 EWDsBNZaI  
    n = nsur() 49*f=gpGj2  
    f = 1 1i z =i^}  
    label 1 M{24MF   
    hx = fldx(f)/maxfield ?`?Tg&W  
    hy = fldy(f)/maxfield ]gPx%c  
    raytrace hx,hy,0,0 ]}g\te  
    format 10.4 1M??@@X  
    print M 8WjqTq  
    print "  X Field    = ", fldx(f), Fw&ImRMk  
    print "  Y Field    = ", fldy(f) i`F5  
    print "  X Chief    = ",rayx(n), /P,1KVQPh  
    print "  Y Chief    = ",rayy(n) LD[\eJ _  
    xraymax = -9e9 y+iRZ%V^  
    yraymax = -9e9 5CK\Z'c~!  
    xraymin =  9e9 QHO n?e  
    yraymin =  9e9 b_ ZvI\H  
    xraytot = 0 )'n@A%B  
    yraytot = 0 }~@/r5Zl  
    numray = 0 ZUHW*U.  
    numrayattempt = 0 3\m !  
    px = -1 - delta m=9b/Nr4  
    label 2 rwj+N%N  
    px = px + delta $;Fx Zkp  
    py = -1 - delta 4Y59^  
    label 3 xW)  
    py = py + delta 8+w*,Ry`  
    rad = px*px + py*py _=I1  
    if rad <= 0.9999999 3#,6(k4>  
            raytrace hx, hy, px, py s&nat4{B  
            numrayattempt = numrayattempt+1 tdRvg7v,N%  
            if !rayv(n)                                              **************************** c+3(|k-M  
                    numray = numray + 1 OlyW/hd  
                    x = rayx(n) %_s)Gw&sq  
                    y = rayy(n)  Q(w;  
                    if (x < xraymin) then xraymin = x &l2xh~L  
                    if (x > xraymax) then xraymax = x bxh-#x &  
                    if (y < yraymin) then yraymin = y M4)U [v  
                    if (y > yraymax) then yraymax = y c9Et Uv~  
                    xraytot = xraytot + x PR|z -T  
                    yraytot = yraytot + y `$jun  
            endif yrEh5v:  
    endif @* vVc`;  
    if py < 1.0 then goto 3 !~C%0{9+u@  
    if px < 1.0 then goto 2 *bp09XG  
    if numray &'^.>TJ\  
            format 14.8 %( 7##f_  
            print "  X Centroid = ",xraytot/numray, [#Apd1S_  
            print "  Y Centroid = ",yraytot/numray vai w*?jV  
            print "  X Middle   = ",(xraymax+xraymin)/2, LI.WcI3uS  
            print "  Y Middle   = ",(yraymax+yraymin)/2 8zeeC eIU  
            format .0 z**2-4 z  
            print "  ",numray, " out of ", numrayattempt," rays made it through." =At" Q6-O  
    else FLG"c690  
            print "  No rays made it through!" T=YVG@fm?  
    endif P x Q]$w  
    f=f+1 8'@5X-nD  
    if f<= nfld() then goto 1 L<=Dl  
    print %]7 6u7b/  
    print "All field positions done!" toGd;2rl  
    FORMAT 0.1 2R,} j@  
    print "Elapsed time ", ETIM(), " seconds." f$:Y'$Z1  
     
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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 [c=P)t7 V  
    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 ,N:^4A  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  X@[5nyILf  
    p5E okh  
    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 JdI*@b2k[