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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············· BjwMb&a;  
    /!:L7@BZ  
    macro 正文:········· |z]aa  
    ! centroid.zpl kz$(V(k<  
    ! '+tKvTU;  
    ! Written by Kenneth Moore 9/1/92 #!wsD7;  
    ! Added TIMER function 4/18/96 S]vW&r3`  
    ! +tPx0>p;  
    TIMER m\/>C|f\  
    ! P_v0))n{  
    ! The delta controls how many rays will be traced. A w< v1 N  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. uSH> $;a  
    ! qjJ{+Rz2  
    delta = .025 u0wn=Dg  
    ! B<(Pd  
    print "This program computes the chief ray coordinates," OuMco+C  
    print "centroid coordinates, and middle coordinates for" 4,gol?a  
    print "the primary wave spot at each field position." #aj|vox}  
    maxfield = maxf() sbs[=LW4  
    if maxfield == 0 then maxfield = 1 ;5-R =e(KA  
    n = nsur() b{zAJ`|#[n  
    f = 1 OTnu{<.a  
    label 1 P= &'wblm?  
    hx = fldx(f)/maxfield GJ.kkTMT  
    hy = fldy(f)/maxfield {qJHL;mP:8  
    raytrace hx,hy,0,0 z|Hy>|+  
    format 10.4 2O$95 M  
    print Cc@=?  
    print "  X Field    = ", fldx(f), qPL^zM+  
    print "  Y Field    = ", fldy(f) &b 5T&-C<  
    print "  X Chief    = ",rayx(n), Y]hV-_2+Do  
    print "  Y Chief    = ",rayy(n) 2f`WDL  
    xraymax = -9e9 71JM [2  
    yraymax = -9e9 I93 ~8wQ  
    xraymin =  9e9 X!HDj<  
    yraymin =  9e9 dMey/A/VYt  
    xraytot = 0 VfQMFb',o  
    yraytot = 0 x%_qJ]o  
    numray = 0 8f /T!5  
    numrayattempt = 0 ){+.8KI  
    px = -1 - delta W`w5jk'0^=  
    label 2 -q'xC:m  
    px = px + delta TS\9<L9S  
    py = -1 - delta fG X1y  
    label 3 -3C* P  
    py = py + delta Y1#-^,qg  
    rad = px*px + py*py !w @1!Xpn1  
    if rad <= 0.9999999 M(_^'3u  
            raytrace hx, hy, px, py `Ev A\f  
            numrayattempt = numrayattempt+1 6U;Jg_zS  
            if !rayv(n)                                              **************************** HiQoRk  
                    numray = numray + 1 %bCcsdK  
                    x = rayx(n) Es.toOH$S  
                    y = rayy(n) 6V.awg,  
                    if (x < xraymin) then xraymin = x +io;K]C  
                    if (x > xraymax) then xraymax = x +A]&AkTw  
                    if (y < yraymin) then yraymin = y &>&dhdTQ  
                    if (y > yraymax) then yraymax = y [ c ~LY4:  
                    xraytot = xraytot + x } l:mN  
                    yraytot = yraytot + y 54`bE$:+  
            endif #)W8.  
    endif 7$g*N6)Q  
    if py < 1.0 then goto 3 DQ}_9?3  
    if px < 1.0 then goto 2 FBR$,j;Y  
    if numray zF[3%qZE:T  
            format 14.8 a) I=U [  
            print "  X Centroid = ",xraytot/numray, WE+sFaKq-  
            print "  Y Centroid = ",yraytot/numray Qh)|FQ[s$r  
            print "  X Middle   = ",(xraymax+xraymin)/2, )![f\!'PI  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ;J,,f1Vw  
            format .0 Uq9,(tV`6g  
            print "  ",numray, " out of ", numrayattempt," rays made it through." [_g#x(=  
    else 30sC4}   
            print "  No rays made it through!" I>< 99cwFI  
    endif ZTQ$Ol+{ q  
    f=f+1 K $Mx}m7l  
    if f<= nfld() then goto 1 L#t-KLJ  
    print 4 +da  
    print "All field positions done!" DBj;P|L_  
    FORMAT 0.1 (hhdbf  
    print "Elapsed time ", ETIM(), " seconds." X";QA":  
     
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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 ZaukMEq  
    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 v8'`gY  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  jOm&yX  
    cmr6,3_  
    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 (;Q <@PZg