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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············· YF8;s4  
    Ln+;HorZ]  
    macro 正文:········· U/ds(*g@  
    ! centroid.zpl T8^`<gr.  
    ! {:;6 *W  
    ! Written by Kenneth Moore 9/1/92 !#&`1cYX  
    ! Added TIMER function 4/18/96 hufpky[&8  
    ! l(A)Gd5>  
    TIMER KpX1GrIn3  
    ! O, .c gX   
    ! The delta controls how many rays will be traced. A A_8Xhem${  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. P*6h $T  
    ! t]gZ^5  
    delta = .025 )x5t']w`K  
    ! 8yCt(ms  
    print "This program computes the chief ray coordinates," _w}l,   
    print "centroid coordinates, and middle coordinates for" B)/L[ )S  
    print "the primary wave spot at each field position." qt{lZ_$  
    maxfield = maxf() ,tTq25~H\  
    if maxfield == 0 then maxfield = 1 "%(SLQOyy  
    n = nsur() XgI;2Be+&a  
    f = 1 -kk0zg &|i  
    label 1 H|)F-aL[  
    hx = fldx(f)/maxfield F5y0(=$T  
    hy = fldy(f)/maxfield :X*$U ~aQ  
    raytrace hx,hy,0,0 +lplQh@RB  
    format 10.4 j DkBe-`  
    print Nn#;Kjul.  
    print "  X Field    = ", fldx(f), iV5S[uy72.  
    print "  Y Field    = ", fldy(f) 2WK c;?  
    print "  X Chief    = ",rayx(n), m)l'i!Y  
    print "  Y Chief    = ",rayy(n) Np"~1z.(b  
    xraymax = -9e9 )TfX}  
    yraymax = -9e9 *qZBq&7tb  
    xraymin =  9e9 "l 8YD&q  
    yraymin =  9e9 =28ZSo^  
    xraytot = 0 :u]QEZ@@  
    yraytot = 0 4iDqd  
    numray = 0 }Y"vUl_I2  
    numrayattempt = 0 6bDizS}  
    px = -1 - delta x,NV{uG$n  
    label 2 HDO_r(i  
    px = px + delta |b4f3n  
    py = -1 - delta w8D6j%C  
    label 3 2kcDJ{(  
    py = py + delta g43(N!@g  
    rad = px*px + py*py -}1TT@  
    if rad <= 0.9999999 0`/CoP<U  
            raytrace hx, hy, px, py \`0s %F:V}  
            numrayattempt = numrayattempt+1 esM r@Oc  
            if !rayv(n)                                              **************************** $[g#P^  
                    numray = numray + 1 y?V^S;}&]  
                    x = rayx(n) 'gtcy  
                    y = rayy(n) |%oI,d=ycv  
                    if (x < xraymin) then xraymin = x r=HL!XFk  
                    if (x > xraymax) then xraymax = x cd|/ 4L 6  
                    if (y < yraymin) then yraymin = y pAws{3(Q  
                    if (y > yraymax) then yraymax = y )(9[>_+40  
                    xraytot = xraytot + x Wn{MY=5Y  
                    yraytot = yraytot + y 8<x& Xd  
            endif q/^?rd  
    endif J4x|Afp  
    if py < 1.0 then goto 3 klAvi%^jE  
    if px < 1.0 then goto 2 j}O qWX>/  
    if numray 388vdF  
            format 14.8 @\r2%M-  
            print "  X Centroid = ",xraytot/numray, 9#>nFs"H  
            print "  Y Centroid = ",yraytot/numray $ V !25jQ  
            print "  X Middle   = ",(xraymax+xraymin)/2, E{P94Phv  
            print "  Y Middle   = ",(yraymax+yraymin)/2 BRa9j:_b  
            format .0 i &%m^p  
            print "  ",numray, " out of ", numrayattempt," rays made it through." ,D'm#Fti  
    else R$p(5>#\5  
            print "  No rays made it through!" /'/i?9:  
    endif )HcLpoEi  
    f=f+1 u* G+=aV.6  
    if f<= nfld() then goto 1 *aJO5&w<T  
    print f@gvDo]Y  
    print "All field positions done!" b!e0pFS;  
    FORMAT 0.1 M0g=gmau  
    print "Elapsed time ", ETIM(), " seconds." YG /@=Z.  
     
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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 %NfXe[T  
    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 :o ~'\:/  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  Q(cLi:)X2  
    FZn1$_Svr  
    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 wW p7N