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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············· &cj/8A5-  
    -9BKa~ DVQ  
    macro 正文:········· L||_Jsu  
    ! centroid.zpl Y-(),k_Q:  
    ! \Ol3kx|  
    ! Written by Kenneth Moore 9/1/92 "BB#[@  
    ! Added TIMER function 4/18/96 }5n((7@X  
    ! F|._'i+B!  
    TIMER ^{<x*/nK  
    ! AF{k^^|H  
    ! The delta controls how many rays will be traced. A _Q<wb8+/  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. by*>w/@9)k  
    ! DJl06-s V  
    delta = .025 a/@<KnT  
    ! COS(pfC  
    print "This program computes the chief ray coordinates," .y7&!a35  
    print "centroid coordinates, and middle coordinates for" (]'Q!MjGa  
    print "the primary wave spot at each field position." YJgw%UVJ5m  
    maxfield = maxf() \=+ s3p5N  
    if maxfield == 0 then maxfield = 1 33d86H% ;  
    n = nsur() x}TDb0V  
    f = 1 lD09(|`  
    label 1 oOk.Fq  
    hx = fldx(f)/maxfield DbSl}N;  
    hy = fldy(f)/maxfield !O$*/7  
    raytrace hx,hy,0,0 eqbxf#H!  
    format 10.4 rl)(4ad=  
    print DM6oMT  
    print "  X Field    = ", fldx(f), oF/5mh__(K  
    print "  Y Field    = ", fldy(f) 4)=LOGW  
    print "  X Chief    = ",rayx(n), pL$UI3VCP  
    print "  Y Chief    = ",rayy(n) RVN"lDGA  
    xraymax = -9e9 y:!MWZ  
    yraymax = -9e9 & -  
    xraymin =  9e9 mi|O)6>8n  
    yraymin =  9e9 ok5 {c  
    xraytot = 0 mwFI89J'  
    yraytot = 0 jY-i`rJN  
    numray = 0 ZTG*|  
    numrayattempt = 0 1Giy|;2/  
    px = -1 - delta fys@%PZq  
    label 2 [KkLpZG  
    px = px + delta 6G"AP~|0  
    py = -1 - delta -@ #b<"1  
    label 3 Ah)OyO6  
    py = py + delta {+f@7^/i.  
    rad = px*px + py*py LGT\1u  
    if rad <= 0.9999999 ,=l MtW  
            raytrace hx, hy, px, py /_rAy  
            numrayattempt = numrayattempt+1 2F-!SI  
            if !rayv(n)                                              **************************** 64}Oa+*s  
                    numray = numray + 1 q`09   
                    x = rayx(n) );$Uf!v4  
                    y = rayy(n) !TY4C`/  
                    if (x < xraymin) then xraymin = x ~Dr/+h:^\  
                    if (x > xraymax) then xraymax = x %" $.2O@  
                    if (y < yraymin) then yraymin = y u;DF$   
                    if (y > yraymax) then yraymax = y +-,Q>`  
                    xraytot = xraytot + x 'j$iSW&  
                    yraytot = yraytot + y 'DF3|A],  
            endif , j ,[4^  
    endif A <iF37.  
    if py < 1.0 then goto 3 ?[Q;275  
    if px < 1.0 then goto 2 9A\J*OU  
    if numray H;s0|KRgJ  
            format 14.8 GQ&9by=}  
            print "  X Centroid = ",xraytot/numray, )8&Q.? T  
            print "  Y Centroid = ",yraytot/numray J{$C}8V  
            print "  X Middle   = ",(xraymax+xraymin)/2, TEB%y9  
            print "  Y Middle   = ",(yraymax+yraymin)/2 r4NI(\gU  
            format .0 ~=%eOoZP;c  
            print "  ",numray, " out of ", numrayattempt," rays made it through."  <_MQC  
    else q=bJ9iJsq  
            print "  No rays made it through!" _h_;nS.Y  
    endif U*/  
    f=f+1 =,-80WNsX  
    if f<= nfld() then goto 1 2U>1-p&dn  
    print ]*}*zXN/E  
    print "All field positions done!" +n9&q#ah  
    FORMAT 0.1 FH M^x2  
    print "Elapsed time ", ETIM(), " seconds." &X_I^*  
     
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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 &Z=}H0y q  
    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 .s7/bF  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  3w{ i5gGn  
    ?_<ZCH  
    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 ;Kkn7&'F