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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············· 7l~^KsX  
    6?C';1  
    macro 正文:········· "Jg.)1Jw  
    ! centroid.zpl lQvgq  
    ! B'`25u_e<  
    ! Written by Kenneth Moore 9/1/92 W3\E; C-g0  
    ! Added TIMER function 4/18/96 4 m"0R\  
    ! #<Xq\yC51  
    TIMER e5n]@mu%  
    ! "+wkruC  
    ! The delta controls how many rays will be traced. A Di4GaKa/  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. n00J21  
    ! 6-)WXJ@V  
    delta = .025 I.T?A9Z  
    ! i^ |G  
    print "This program computes the chief ray coordinates," !IO\g"y~|%  
    print "centroid coordinates, and middle coordinates for" Y Q.Xl_  
    print "the primary wave spot at each field position." i'"#{4I  
    maxfield = maxf() j6XHH&ZEb  
    if maxfield == 0 then maxfield = 1 ?_A[E]/H  
    n = nsur() /93z3o7D>  
    f = 1 -38"S;M8  
    label 1 ;Oqf{em];  
    hx = fldx(f)/maxfield P3Lsfi.  
    hy = fldy(f)/maxfield x a<KF  
    raytrace hx,hy,0,0 1TR+p? "  
    format 10.4 M"/Jn[  
    print Yg,b ;H  
    print "  X Field    = ", fldx(f), : D-D+x  
    print "  Y Field    = ", fldy(f) rBi<Yy$z  
    print "  X Chief    = ",rayx(n), L=EkY O%\"  
    print "  Y Chief    = ",rayy(n) )z18:C3  
    xraymax = -9e9 XBkaum4j  
    yraymax = -9e9 KF1iYo>p  
    xraymin =  9e9 $;Iz7:#jN  
    yraymin =  9e9 c ^.^5@  
    xraytot = 0 <g;,or#$  
    yraytot = 0 h$6'9rL&i  
    numray = 0 Haekr*1%  
    numrayattempt = 0 dg|x(p#  
    px = -1 - delta J@E]Fl  
    label 2 *i:8g(  
    px = px + delta 3\ Mt+!1{  
    py = -1 - delta 8#Z)qQWi_t  
    label 3 t&=bW<6  
    py = py + delta ]Sa#g&}T>  
    rad = px*px + py*py }zsIp,  
    if rad <= 0.9999999 9lR6:}L7  
            raytrace hx, hy, px, py HR8YPU5  
            numrayattempt = numrayattempt+1 a3\~AO H%  
            if !rayv(n)                                              **************************** c$2kR:  
                    numray = numray + 1 <PuY"-`/Oc  
                    x = rayx(n) &y=OZ !M  
                    y = rayy(n) I]+ zG  
                    if (x < xraymin) then xraymin = x 1Td`S1'#yg  
                    if (x > xraymax) then xraymax = x &dmIv[LU  
                    if (y < yraymin) then yraymin = y 8~R.iqLoX  
                    if (y > yraymax) then yraymax = y f:&JKB)N  
                    xraytot = xraytot + x r"h09suZBW  
                    yraytot = yraytot + y 1+N'cB!y  
            endif nAl \9#M  
    endif  aY(s &  
    if py < 1.0 then goto 3 [ij) k@.  
    if px < 1.0 then goto 2 ,\P|%yv  
    if numray gWa0x-  
            format 14.8 Ao`e{  
            print "  X Centroid = ",xraytot/numray, jLI1Ed  
            print "  Y Centroid = ",yraytot/numray /*Q3=Dse]  
            print "  X Middle   = ",(xraymax+xraymin)/2, wzwv>@}  
            print "  Y Middle   = ",(yraymax+yraymin)/2 ;w"h n*  
            format .0 P![ZO6`:W'  
            print "  ",numray, " out of ", numrayattempt," rays made it through." 8~-TN1H  
    else CkNR{?S  
            print "  No rays made it through!" .[]S!@+%  
    endif _rIo @v  
    f=f+1 I5l%X{u"N  
    if f<= nfld() then goto 1 4_j_!QH87  
    print :'C?uk ?  
    print "All field positions done!" UR _Ty59  
    FORMAT 0.1 Zn r4^i&(  
    print "Elapsed time ", ETIM(), " seconds." "i/GzD7`n  
     
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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 )z74,n7-  
    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 ;7qzQ{Km  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  Rh"O$K~  
    GR*sk#{  
    Kimclps兄果然学识过人,受教了·····
    离线kimclps
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    只看该作者 3楼 发表于: 2013-01-29
    不敢當,互相切磋。
    离线junel
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    只看该作者 4楼 发表于: 2014-06-21
    受教了 }I}GA:~$%