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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············· RZcx4fL}x  
    75QXkJu  
    macro 正文:········· X^?|Sz<^E  
    ! centroid.zpl .j'@K+<45  
    ! 9-X{x95]  
    ! Written by Kenneth Moore 9/1/92 M ,.0[+  
    ! Added TIMER function 4/18/96 N,'[:{GOY  
    ! C[Y%=\6'0  
    TIMER vTe$77n  
    ! Mp DdJ,  
    ! The delta controls how many rays will be traced. A f4A4  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. YUP%K!k  
    ! { ="Su{i}}  
    delta = .025 *Bb|N--jI  
    ! Y;~~?[6  
    print "This program computes the chief ray coordinates," khKv5K#)  
    print "centroid coordinates, and middle coordinates for" [qjAq@@N#q  
    print "the primary wave spot at each field position." O?4vC5x  
    maxfield = maxf() 5<:VJC<  
    if maxfield == 0 then maxfield = 1 JsWq._O{/  
    n = nsur() } Y7W1$he  
    f = 1 o[Wagg.%  
    label 1 1OfSq1G>v$  
    hx = fldx(f)/maxfield 6B!j(R  
    hy = fldy(f)/maxfield Bp=oTC G  
    raytrace hx,hy,0,0 TCEXa?,L  
    format 10.4 {8*d;[X50  
    print !?us[f=g%  
    print "  X Field    = ", fldx(f), o\=i0HR9  
    print "  Y Field    = ", fldy(f) T?p`Y| gl  
    print "  X Chief    = ",rayx(n), FJwZo}<6E  
    print "  Y Chief    = ",rayy(n) |4?}W ,  
    xraymax = -9e9 6Mf3)o2  
    yraymax = -9e9 fW4cHB 9|  
    xraymin =  9e9 XYxm8ee"j  
    yraymin =  9e9 "JQt#[9l  
    xraytot = 0 '%]@a7w  
    yraytot = 0 t}c}@i_c  
    numray = 0 Ql6ai  
    numrayattempt = 0 y}:)cA~o(y  
    px = -1 - delta 44fq1<.K  
    label 2 CL@h!h554_  
    px = px + delta C^\*|=*\  
    py = -1 - delta r PRuSk-f  
    label 3 9,EaN{GM  
    py = py + delta v ACsppa>#  
    rad = px*px + py*py P9tQS"Rs  
    if rad <= 0.9999999 BJ.8OU*9]S  
            raytrace hx, hy, px, py >fZ/09&3  
            numrayattempt = numrayattempt+1 u6S0t?Udap  
            if !rayv(n)                                              **************************** $b i_i|?  
                    numray = numray + 1 (Q+:N;  
                    x = rayx(n) R{OE{8;  
                    y = rayy(n) Y +_5"LV  
                    if (x < xraymin) then xraymin = x v(Zi;?c  
                    if (x > xraymax) then xraymax = x QSs$   
                    if (y < yraymin) then yraymin = y gt t$O  
                    if (y > yraymax) then yraymax = y DP6{HR$L  
                    xraytot = xraytot + x cLyuCaH>c  
                    yraytot = yraytot + y x 1xj\O  
            endif 3}#XA+Z  
    endif @;n$caw  
    if py < 1.0 then goto 3 |n6 Q  
    if px < 1.0 then goto 2 kj3o1Y  
    if numray }MavI'  
            format 14.8 ^tKOxW# a  
            print "  X Centroid = ",xraytot/numray, /4B4IT  
            print "  Y Centroid = ",yraytot/numray MkNURy>n&  
            print "  X Middle   = ",(xraymax+xraymin)/2, ?"8A^ ^  
            print "  Y Middle   = ",(yraymax+yraymin)/2 *A1TDc$  
            format .0 t{S{!SF4  
            print "  ",numray, " out of ", numrayattempt," rays made it through." Zqs-I8y  
    else YT(1 "{:  
            print "  No rays made it through!" @<TfA>*VJ  
    endif k@";i4}A  
    f=f+1 C}P \kDM  
    if f<= nfld() then goto 1 sQw`U{JG  
    print ATmqq)\s  
    print "All field positions done!" 97))'gC  
    FORMAT 0.1 5fx,rtY2sQ  
    print "Elapsed time ", ETIM(), " seconds." M+R)P +  
     
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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 )4`A  
    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 G(\1{"!  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  "}+/ 0$F  
    ~%:p_td  
    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 Z?' |9FM