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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············· 6f<*1YR F  
    mOABZ#+Fk  
    macro 正文:········· m/SJ4op$  
    ! centroid.zpl qFB9,cUqh  
    ! aU,0gvI(}  
    ! Written by Kenneth Moore 9/1/92 }mkA Hmu4  
    ! Added TIMER function 4/18/96 i G?w;  
    ! $@XPL~4  
    TIMER bL6L-S  
    ! `\4RFr$  
    ! The delta controls how many rays will be traced. A ;F" kD  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. $yP'k&b!  
    ! wR`w@ 5,d  
    delta = .025 \k2C 5f  
    ! vY8WqG]  
    print "This program computes the chief ray coordinates," My`josJ`Pb  
    print "centroid coordinates, and middle coordinates for" g wZ+GA  
    print "the primary wave spot at each field position." +Y_Q?/M@8  
    maxfield = maxf() HPv&vdr3  
    if maxfield == 0 then maxfield = 1 'M]CZ}  
    n = nsur() AIIBd  
    f = 1 I_R5\l}O+D  
    label 1 E1mI Xd;.  
    hx = fldx(f)/maxfield A= \'r<:  
    hy = fldy(f)/maxfield 0jl:Yzo&\  
    raytrace hx,hy,0,0 ^H@!)+ =  
    format 10.4 nA{ncTg1\  
    print %FXIlH5  
    print "  X Field    = ", fldx(f), w>1l@%U o  
    print "  Y Field    = ", fldy(f) dK-  ^  
    print "  X Chief    = ",rayx(n), dT*f-W  
    print "  Y Chief    = ",rayy(n) js%4;  
    xraymax = -9e9 Uv W:#  
    yraymax = -9e9 `"^@[1  
    xraymin =  9e9 9g<_JcN  
    yraymin =  9e9 5,G<}cd  
    xraytot = 0 VdjU2d  
    yraytot = 0 9/8@  
    numray = 0 =]2RC1#}e  
    numrayattempt = 0 6w:g77SH)%  
    px = -1 - delta |yId6v  
    label 2 kOlI?wc  
    px = px + delta Zip K;!9by  
    py = -1 - delta 4`EvEv$i  
    label 3 @h z0:ezg:  
    py = py + delta P"h,[{Y*>  
    rad = px*px + py*py ^| a&%wxA  
    if rad <= 0.9999999 c=jTs+h'  
            raytrace hx, hy, px, py wKeSPs{x  
            numrayattempt = numrayattempt+1 qU /Wg  
            if !rayv(n)                                              **************************** hz>yv@1  
                    numray = numray + 1 ;{F;e)${M  
                    x = rayx(n) '6Z/-V4k  
                    y = rayy(n) \e5,`  
                    if (x < xraymin) then xraymin = x 3ec==.  
                    if (x > xraymax) then xraymax = x k*UR# z(I  
                    if (y < yraymin) then yraymin = y ^0 ,&R\e+  
                    if (y > yraymax) then yraymax = y ;]O 7^s#v  
                    xraytot = xraytot + x !]jNVg  
                    yraytot = yraytot + y j_YZ(: =  
            endif (fLbg,  
    endif Hhce:E@K  
    if py < 1.0 then goto 3 )4o=t.O\K  
    if px < 1.0 then goto 2 q}7Df!<|  
    if numray 9O 0  
            format 14.8 EssUyF-jwU  
            print "  X Centroid = ",xraytot/numray, )eedfb1  
            print "  Y Centroid = ",yraytot/numray aGzdur  
            print "  X Middle   = ",(xraymax+xraymin)/2, ah&plaVzC  
            print "  Y Middle   = ",(yraymax+yraymin)/2 L}sm R,  
            format .0 1PT_1[eAR  
            print "  ",numray, " out of ", numrayattempt," rays made it through." EF7|%N  
    else qT-nD}  
            print "  No rays made it through!" #D*J5k>2  
    endif e[VJ0 A=  
    f=f+1 :O @,Z_"  
    if f<= nfld() then goto 1 Q/9vDv  
    print ]6c2[r?g{  
    print "All field positions done!" N6 }i>";_;  
    FORMAT 0.1 W~@GK  
    print "Elapsed time ", ETIM(), " seconds." Sr#fyr  
     
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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 )^' B:ic  
    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 JJ3JULL2  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  a-2 {x2O  
    w:+#,,rwzV  
    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 ^C| 9K>M