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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············· ]:e_Y,@  
    (dlp5:lQz  
    macro 正文:········· puPI ^6y%  
    ! centroid.zpl s{b\\$Rb  
    ! 9#9 UzKX#  
    ! Written by Kenneth Moore 9/1/92 : UeK0  
    ! Added TIMER function 4/18/96 }=X: F1S  
    ! oC`F1!SfOO  
    TIMER `cp\UH@  
    ! [9sEc  
    ! The delta controls how many rays will be traced. A n])#<0  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. $udhTI#,  
    ! 3sr_V~cZ9  
    delta = .025 evZcoH3~  
    ! 40?RiwwD  
    print "This program computes the chief ray coordinates," L-+g`  
    print "centroid coordinates, and middle coordinates for" +/[M Ex=   
    print "the primary wave spot at each field position." +q&Hj|;8r  
    maxfield = maxf() I|rb"bG  
    if maxfield == 0 then maxfield = 1 ?t YZ/  
    n = nsur() cWAw-E5  
    f = 1 R;DU68R  
    label 1 =}Tm8b0  
    hx = fldx(f)/maxfield C8K2F5c5  
    hy = fldy(f)/maxfield ^/BGOBK  
    raytrace hx,hy,0,0 wPg/.N9H  
    format 10.4 CH6 m  
    print >Y>R1b%  
    print "  X Field    = ", fldx(f), %,bD| NKp  
    print "  Y Field    = ", fldy(f) 6*i **  
    print "  X Chief    = ",rayx(n), t5{P'v9J  
    print "  Y Chief    = ",rayy(n) Y,s EM%  
    xraymax = -9e9 !<M eWo  
    yraymax = -9e9 sZrVANyqb  
    xraymin =  9e9 mG S4W;  
    yraymin =  9e9 2 GRI<M  
    xraytot = 0 Jk*cuf `rq  
    yraytot = 0 5{'hsC  
    numray = 0 f\_RW;y|m  
    numrayattempt = 0 ]s=|+tz\V  
    px = -1 - delta LO=U?`)q  
    label 2 FMdu30JV  
    px = px + delta ? Ek)" l  
    py = -1 - delta 6U{A6hH]  
    label 3 `#$}P;W  
    py = py + delta dk&e EDvfd  
    rad = px*px + py*py &vrQ *jX  
    if rad <= 0.9999999 2|;|C8C  
            raytrace hx, hy, px, py AERJ]$\  
            numrayattempt = numrayattempt+1 0j@mzd2  
            if !rayv(n)                                              **************************** [NSslVr  
                    numray = numray + 1 M FIb-*wT  
                    x = rayx(n) -,")GA+[7  
                    y = rayy(n) F CYGXtc  
                    if (x < xraymin) then xraymin = x =e6p v#  
                    if (x > xraymax) then xraymax = x (p2`ofj  
                    if (y < yraymin) then yraymin = y IHTim T?  
                    if (y > yraymax) then yraymax = y @bg9 }Z%\h  
                    xraytot = xraytot + x !R8%C!=a  
                    yraytot = yraytot + y LSta]81B4L  
            endif t9`{^<LH  
    endif -K/+}4i3N  
    if py < 1.0 then goto 3 mn@1&#c4y  
    if px < 1.0 then goto 2 V&f*+!!2  
    if numray `Na()r$T  
            format 14.8 9d"*Z%!j  
            print "  X Centroid = ",xraytot/numray, r~,y3L6ic  
            print "  Y Centroid = ",yraytot/numray 8~(xi<"e  
            print "  X Middle   = ",(xraymax+xraymin)/2, z3a GK  
            print "  Y Middle   = ",(yraymax+yraymin)/2 .RpJZ[E  
            format .0 &ZD@-"@  
            print "  ",numray, " out of ", numrayattempt," rays made it through." FQ>$Ps*a[  
    else k3bQ32()  
            print "  No rays made it through!" WX4sTxJK  
    endif k'iiRRM  
    f=f+1 _UVpQ5pN  
    if f<= nfld() then goto 1 _9>,9aL  
    print jq H)o2"/  
    print "All field positions done!" _%Z.Re  
    FORMAT 0.1 <);q,|eh2  
    print "Elapsed time ", ETIM(), " seconds." CtY-Gs  
     
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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 ]y {tMC  
    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 #xmiUN,|  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  ^RnQX#+  
     5V<6_o  
    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 @uC-dXA"