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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············· N<(.%<!  
    VQ#3#Hj  
    macro 正文:········· XB59Vm0E=  
    ! centroid.zpl p< "3&HA  
    ! JW.=T)  
    ! Written by Kenneth Moore 9/1/92 pmWr]G3,*  
    ! Added TIMER function 4/18/96 =#gEB#$x:  
    ! }Gyqq6Aeb  
    TIMER fw6UhG  
    ! \>QF(J [8  
    ! The delta controls how many rays will be traced. A Xx:F)A8O  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. Y!J>U  
    ! ~{,X3-S_H  
    delta = .025 L|@y&di  
    ! *3/T;x.  
    print "This program computes the chief ray coordinates," e [_m< e  
    print "centroid coordinates, and middle coordinates for" MY#   
    print "the primary wave spot at each field position." $-}e; VZb  
    maxfield = maxf() \;u@"  
    if maxfield == 0 then maxfield = 1  ,Uhb  
    n = nsur() _j?e~w&0b  
    f = 1 1K,1X(0rL8  
    label 1 ,L bBpi=TJ  
    hx = fldx(f)/maxfield %wcSM~w  
    hy = fldy(f)/maxfield o6 E!IX+  
    raytrace hx,hy,0,0 sm[94,26  
    format 10.4 QTX8 L  
    print YW u cvw&  
    print "  X Field    = ", fldx(f), p~ HW5\4  
    print "  Y Field    = ", fldy(f) Tm_B^ W}  
    print "  X Chief    = ",rayx(n), X3'H `/  
    print "  Y Chief    = ",rayy(n) ]I3!fEAWR  
    xraymax = -9e9 Mi'8 ~J  
    yraymax = -9e9 `Qr%+OD  
    xraymin =  9e9 W @|6nPm  
    yraymin =  9e9 xk&Jl#v  
    xraytot = 0 AKMm&(fh%  
    yraytot = 0 [(1c<b2r  
    numray = 0 ;q N+^;,2  
    numrayattempt = 0 y E[#ze  
    px = -1 - delta otggN:^Qw  
    label 2 Z R/#V7Pj  
    px = px + delta 4jD2FFG- G  
    py = -1 - delta 5waKI?4F  
    label 3 zg-2C>(6a  
    py = py + delta M%jPH  
    rad = px*px + py*py K2%w0ohC  
    if rad <= 0.9999999 g1t0l%_7^  
            raytrace hx, hy, px, py UG=K|OXWJ  
            numrayattempt = numrayattempt+1 ME'|saP  
            if !rayv(n)                                              **************************** o sKKt?^?  
                    numray = numray + 1 |2{wG 4  
                    x = rayx(n) "*G.EiLq  
                    y = rayy(n) R<OI1,..r  
                    if (x < xraymin) then xraymin = x (?nCy HC%g  
                    if (x > xraymax) then xraymax = x }.s~T#v  
                    if (y < yraymin) then yraymin = y E[Cb|E  
                    if (y > yraymax) then yraymax = y Z+@2"%W  
                    xraytot = xraytot + x +TXX$)3%  
                    yraytot = yraytot + y bV,}Pp+/"!  
            endif :9k Ty:  
    endif eq U ME  
    if py < 1.0 then goto 3 uu`G 2[t  
    if px < 1.0 then goto 2 g)-bW+]q  
    if numray }iuWAFZbGS  
            format 14.8 iX)%Q  
            print "  X Centroid = ",xraytot/numray, cTG|fdgMW  
            print "  Y Centroid = ",yraytot/numray o}ZdTf=  
            print "  X Middle   = ",(xraymax+xraymin)/2, 1dK*y'rx  
            print "  Y Middle   = ",(yraymax+yraymin)/2 >y,-v:Vy  
            format .0 eH{[C*  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 7Hs%Cc"  
    else S\;V4@<Kn  
            print "  No rays made it through!" %$b:X5$Z  
    endif t<#h$}=:Vt  
    f=f+1 SJHr_bawd  
    if f<= nfld() then goto 1 R rda# h^  
    print <)3u6Vky9  
    print "All field positions done!" o_~eg8  
    FORMAT 0.1 {E@Lft-  
    print "Elapsed time ", ETIM(), " seconds." AB4(+S*LA  
     
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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 #~ )IJ  
    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 {zQ8)$CQ  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  /_I]H  
    A%KDiIA  
    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 6Ypc`