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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············· Ud>`@2  
    ur/Oc24i1n  
    macro 正文:········· K,x$c %  
    ! centroid.zpl \3t,|%v  
    ! @D fkGm[%  
    ! Written by Kenneth Moore 9/1/92 ; @ 7  
    ! Added TIMER function 4/18/96 \yih 1Om>~  
    ! 2UU 2Vm_6  
    TIMER /{fZH,!L  
    ! q?;N7P  
    ! The delta controls how many rays will be traced. A F1 <489  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. YH ETI~'j.  
    ! qxf+#  
    delta = .025 -]Q3/"Q  
    ! X!U]`Qh  
    print "This program computes the chief ray coordinates," /Qr A8  
    print "centroid coordinates, and middle coordinates for" 2-8YSHlh  
    print "the primary wave spot at each field position." a<f;\$h]  
    maxfield = maxf() gXq!a|eH  
    if maxfield == 0 then maxfield = 1 v$t{o{3  
    n = nsur() m3U+ du  
    f = 1 NlA*\vco  
    label 1 ?D1x;i9<  
    hx = fldx(f)/maxfield >:.w7LQy/  
    hy = fldy(f)/maxfield !aQIh  
    raytrace hx,hy,0,0 IM[54_I  
    format 10.4 $|Q".dD  
    print F`fGz)Mk  
    print "  X Field    = ", fldx(f), 2#'rk'X,K  
    print "  Y Field    = ", fldy(f) @b]VCv0*f%  
    print "  X Chief    = ",rayx(n), D4AEZgC F,  
    print "  Y Chief    = ",rayy(n) zTkFX67)  
    xraymax = -9e9 D35m5+=I  
    yraymax = -9e9 btUq  
    xraymin =  9e9 $TR=3[j  
    yraymin =  9e9 HMF8;,<_w?  
    xraytot = 0 ;JAK[o8i  
    yraytot = 0 |$M@09,F"  
    numray = 0 ~;}\zKQKE  
    numrayattempt = 0 ktN%!Mh\  
    px = -1 - delta USE   
    label 2 5_v5  
    px = px + delta XQK^$Iq]V  
    py = -1 - delta P`}$-#DF  
    label 3 S2Zx &D/_  
    py = py + delta +VwV5iy[`  
    rad = px*px + py*py -_s%8l^  
    if rad <= 0.9999999 d "2wO[  
            raytrace hx, hy, px, py =nLO?qoe  
            numrayattempt = numrayattempt+1 mRwXN*Izw  
            if !rayv(n)                                              **************************** *:?QB8YJ  
                    numray = numray + 1 E yd$fcRK  
                    x = rayx(n) \$'R+k-57;  
                    y = rayy(n) S<V-ZV&_:U  
                    if (x < xraymin) then xraymin = x L?C\Q^0"`G  
                    if (x > xraymax) then xraymax = x jh>N_cp  
                    if (y < yraymin) then yraymin = y YFG-U-t3  
                    if (y > yraymax) then yraymax = y =ntft SH  
                    xraytot = xraytot + x P_Z M'[  
                    yraytot = yraytot + y a-fv[oB  
            endif N A8 sN  
    endif B i'd5B5  
    if py < 1.0 then goto 3 yXkt:O,i  
    if px < 1.0 then goto 2 gRHtgR)T3  
    if numray VXiui'/(  
            format 14.8 [9LxhPi  
            print "  X Centroid = ",xraytot/numray, [U swf3  
            print "  Y Centroid = ",yraytot/numray RZ*<n$#6  
            print "  X Middle   = ",(xraymax+xraymin)/2, J l\'V  
            print "  Y Middle   = ",(yraymax+yraymin)/2 U4]30B{;H  
            format .0 ?fB5t;~E  
            print "  ",numray, " out of ", numrayattempt," rays made it through." =`JW1dM  
    else )5U !>,fT  
            print "  No rays made it through!" \]t]#D>0  
    endif l/[pEUYU  
    f=f+1 b)d^ `J  
    if f<= nfld() then goto 1 ~H7!MC~K  
    print \/n+j!  
    print "All field positions done!" WX LK89ev\  
    FORMAT 0.1 00"CC  
    print "Elapsed time ", ETIM(), " seconds." b(/j\NWC  
     
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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 ;>8kPG  
    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 -?z\5 z  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  @Z q[e   
    #)]E8=}  
    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 Z0\Iyc G