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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············· $ -f(.S  
    NGb\e5?  
    macro 正文:········· a5%IjgQ&z  
    ! centroid.zpl D i #Em[  
    ! xr-v"-  
    ! Written by Kenneth Moore 9/1/92 uJ/ &!q<3  
    ! Added TIMER function 4/18/96 G-sA)WOF  
    ! ^ZO3:"t!w  
    TIMER AN-;*n<'  
    ! !:Clzlg   
    ! The delta controls how many rays will be traced. A l&v&a!EU  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. l%$co07cX  
    ! :KJZo,\  
    delta = .025 }4"T# [n#  
    ! C@s;0-qL  
    print "This program computes the chief ray coordinates," Hf$LWPL)lM  
    print "centroid coordinates, and middle coordinates for" $9O%,U@  
    print "the primary wave spot at each field position." +W9#^  
    maxfield = maxf() X7& ^"|:  
    if maxfield == 0 then maxfield = 1 qluaop  
    n = nsur() qW:\6aEG  
    f = 1 qct:xviH<|  
    label 1 2:& [r*  
    hx = fldx(f)/maxfield .(2ui~ed  
    hy = fldy(f)/maxfield h^"OC$  
    raytrace hx,hy,0,0 |#-GH$.v  
    format 10.4 =qVD"Z]z  
    print dz Z75  
    print "  X Field    = ", fldx(f), rui]_Fn]I  
    print "  Y Field    = ", fldy(f) Se %"C&  
    print "  X Chief    = ",rayx(n), ?AJE*=b  
    print "  Y Chief    = ",rayy(n) F^|4nBd*ub  
    xraymax = -9e9 >R}p*=J  
    yraymax = -9e9 w"K;e(S  
    xraymin =  9e9 H:M;H =0  
    yraymin =  9e9 l@ W?qw  
    xraytot = 0 +cnBEv~y  
    yraytot = 0 tB7g.)yZb  
    numray = 0 ,BG L|5?3z  
    numrayattempt = 0 Vtr5<:eEx  
    px = -1 - delta }H<87zH  
    label 2 |VD}:  
    px = px + delta " tUF,G(<  
    py = -1 - delta IQ"9#{o  
    label 3 42mZ.,<  
    py = py + delta X6Hd%}*mN  
    rad = px*px + py*py Z6xM(*vg  
    if rad <= 0.9999999 /DBldL7yi  
            raytrace hx, hy, px, py \z PcnDB  
            numrayattempt = numrayattempt+1 +_LWN8F  
            if !rayv(n)                                              **************************** OwM.N+ z#T  
                    numray = numray + 1 OJF41Z  
                    x = rayx(n) Lcpz(W ^  
                    y = rayy(n) }hv" ku6!  
                    if (x < xraymin) then xraymin = x e[a?5,s2  
                    if (x > xraymax) then xraymax = x D27MT/=7  
                    if (y < yraymin) then yraymin = y 0*Is#73rjY  
                    if (y > yraymax) then yraymax = y R87e"m/C%  
                    xraytot = xraytot + x U}Aoz|  
                    yraytot = yraytot + y mlD 1 o  
            endif 0QxE6>xL=  
    endif S*-/#j  
    if py < 1.0 then goto 3 .[KXO0Ui6u  
    if px < 1.0 then goto 2 ZeyA bo  
    if numray ;K9rE3  
            format 14.8 [10;Mg  
            print "  X Centroid = ",xraytot/numray, %>G(2)Fb\\  
            print "  Y Centroid = ",yraytot/numray g$jZpU  
            print "  X Middle   = ",(xraymax+xraymin)/2, %"0g}tK6  
            print "  Y Middle   = ",(yraymax+yraymin)/2 =icynW^Fr  
            format .0 RIO4`,  
            print "  ",numray, " out of ", numrayattempt," rays made it through." &_N$S2  
    else ZNEWUt{+;^  
            print "  No rays made it through!" y.:Z:w6$  
    endif ?yq1\G)]  
    f=f+1 9AsK=/Buf  
    if f<= nfld() then goto 1 x)<Hr,wd  
    print w_hGWpm  
    print "All field positions done!" 8#MiM . f  
    FORMAT 0.1 8XU m.nV  
    print "Elapsed time ", ETIM(), " seconds." E{Ux|r~  
     
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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 ^<}eONa  
    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 %q~YJ*\  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  =peodj^  
    vbo:,]T<A  
    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"6:W2#v