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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············· qI^jwl|k  
    Qg!*=<b  
    macro 正文:········· Se8y-AL6x>  
    ! centroid.zpl E}=NZqOB!  
    ! #^ #i]{g  
    ! Written by Kenneth Moore 9/1/92 )M 0O=Cl1  
    ! Added TIMER function 4/18/96 yFo5pKF.J  
    ! PEIr-qs%D  
    TIMER BaAb4{  
    ! 1_C6KS  
    ! The delta controls how many rays will be traced. A 9A(K_d-!H  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. Q8oo5vqQ#C  
    ! O$/ swwB!  
    delta = .025 f:5/y^M&  
    ! CF"3<*%x  
    print "This program computes the chief ray coordinates," "n, ZP@M;  
    print "centroid coordinates, and middle coordinates for" {B.]w9  
    print "the primary wave spot at each field position." 2v1&%x:y#  
    maxfield = maxf() J|24I4  
    if maxfield == 0 then maxfield = 1 hp4(f W  
    n = nsur() P;L Z!I  
    f = 1 vP?S0>gh  
    label 1 |l(lrJ{  
    hx = fldx(f)/maxfield ]#.&f]6l  
    hy = fldy(f)/maxfield z{L;)U B^  
    raytrace hx,hy,0,0 )\Q|}JV  
    format 10.4 O Zm[i H  
    print K<JP9t6Qd  
    print "  X Field    = ", fldx(f), 3y B6]U  
    print "  Y Field    = ", fldy(f) ix@rq#  
    print "  X Chief    = ",rayx(n), <h51KPo^P  
    print "  Y Chief    = ",rayy(n) M&c1iK\E8  
    xraymax = -9e9 Aq'E:/  
    yraymax = -9e9 l:yAgm`  
    xraymin =  9e9 ^3o8F  
    yraymin =  9e9 m (:qZW  
    xraytot = 0 K0=E4>z,`q  
    yraytot = 0 <9tG_  
    numray = 0 / i2-h  
    numrayattempt = 0 G%jJ>T4  
    px = -1 - delta kGV`Q  
    label 2 g 'a?  
    px = px + delta B^~Bv!tHWr  
    py = -1 - delta ,ri--<  
    label 3 %P,^}h7  
    py = py + delta = S8>  
    rad = px*px + py*py :vyf-K 74M  
    if rad <= 0.9999999 Sc 3M#qm_  
            raytrace hx, hy, px, py N: jiZ)  
            numrayattempt = numrayattempt+1 T8TsKjqOZ  
            if !rayv(n)                                              **************************** <?Izfl6  
                    numray = numray + 1 .x?zky^  
                    x = rayx(n) N/{Yi _n  
                    y = rayy(n) OVSq8?L  
                    if (x < xraymin) then xraymin = x 7h&`BS  
                    if (x > xraymax) then xraymax = x `4$Qv'X*  
                    if (y < yraymin) then yraymin = y 8yz((?LrDh  
                    if (y > yraymax) then yraymax = y <O)X89dFM  
                    xraytot = xraytot + x 1\{U<Oli  
                    yraytot = yraytot + y R6Z}/m  
            endif &~A*(+S  
    endif ,W8Iabi^  
    if py < 1.0 then goto 3 MGKeD+=5  
    if px < 1.0 then goto 2 seU^IC<  
    if numray o ]jP3 $t;  
            format 14.8 JP,(4h *  
            print "  X Centroid = ",xraytot/numray,  53*, f  
            print "  Y Centroid = ",yraytot/numray lF"(|n"R  
            print "  X Middle   = ",(xraymax+xraymin)/2, }cK~=@7tK  
            print "  Y Middle   = ",(yraymax+yraymin)/2 v:Z4z6M-  
            format .0 =/QU$[7X(  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 8Y~=\(5>  
    else LI;EfyL  
            print "  No rays made it through!" Dzjt|U0ru9  
    endif C 3XZD4.2  
    f=f+1 ig _<kj;Vd  
    if f<= nfld() then goto 1 c[RL Yu  
    print UK_aqB  
    print "All field positions done!" ^C)TM@+  
    FORMAT 0.1 l(w vQO  
    print "Elapsed time ", ETIM(), " seconds." .A!0.M|  
     
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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 T<e7(=  
    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 rps(Jos_~  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  )_77>f%  
    e2k4[V  
    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 )n7|?@5U