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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············· (FV >m  
    :RYTL'hes  
    macro 正文:········· 4H/OBR  
    ! centroid.zpl 0RfZEG)  
    ! crCJrN=  
    ! Written by Kenneth Moore 9/1/92 Ri'n  
    ! Added TIMER function 4/18/96 )7@0[>  
    ! ZCw]m#lS  
    TIMER iZ%yd-  
    ! 6!o1XQr=Z  
    ! The delta controls how many rays will be traced. A Gj*9~*xm(  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 7)m9"InDI  
    ! f1? >h\F8  
    delta = .025 XW9!p.*.U  
    ! Bvj0^fSm  
    print "This program computes the chief ray coordinates," 2%1hdA<  
    print "centroid coordinates, and middle coordinates for" a*;b^Ze`v  
    print "the primary wave spot at each field position." I fir ,8  
    maxfield = maxf() s2?&!  
    if maxfield == 0 then maxfield = 1 BUFv|z+H  
    n = nsur() X&zis1A<  
    f = 1 YIE<pX4Q7)  
    label 1 P>L +t`'  
    hx = fldx(f)/maxfield $>gFf}#C  
    hy = fldy(f)/maxfield zDp2g)  
    raytrace hx,hy,0,0 49P 4b<1  
    format 10.4 8t`?#8D}  
    print B!yr!DWv  
    print "  X Field    = ", fldx(f), N!32 wJ  
    print "  Y Field    = ", fldy(f) V]&\fk-{  
    print "  X Chief    = ",rayx(n), s{++w5s  
    print "  Y Chief    = ",rayy(n) wr4:Go`  
    xraymax = -9e9 PH"%kCI:  
    yraymax = -9e9 )[  ,A_3E  
    xraymin =  9e9 0V]s:S  
    yraymin =  9e9 "b[5]Y{ U  
    xraytot = 0 zT/\Cj68  
    yraytot = 0 wBzC5T%,  
    numray = 0 ToQ"Iy?  
    numrayattempt = 0 BVm0{*-[|  
    px = -1 - delta 'yth'[  
    label 2 Q?T]MUY(L  
    px = px + delta |%wX*zaf  
    py = -1 - delta A >$I -T+  
    label 3 >7r!~+B"9'  
    py = py + delta CARzO7 b\w  
    rad = px*px + py*py S'14hk<  
    if rad <= 0.9999999 X 8|EHb<  
            raytrace hx, hy, px, py v:p}B$  
            numrayattempt = numrayattempt+1 /=h` L ,  
            if !rayv(n)                                              **************************** ^.G$Q#y,  
                    numray = numray + 1 zL it  
                    x = rayx(n) F?cK- .  
                    y = rayy(n) iLz@5Zj8  
                    if (x < xraymin) then xraymin = x -/k 3a*$/  
                    if (x > xraymax) then xraymax = x F/Pep?'  
                    if (y < yraymin) then yraymin = y :EH=_"  
                    if (y > yraymax) then yraymax = y t Pf40`@  
                    xraytot = xraytot + x cAy3^{3:  
                    yraytot = yraytot + y C?Ucu]cW  
            endif J;%Xfx]  
    endif GL JMP^p  
    if py < 1.0 then goto 3 mTh]PPo   
    if px < 1.0 then goto 2 C>~TI,5a3  
    if numray OTp]Xe/  
            format 14.8 Zov~B-Of:  
            print "  X Centroid = ",xraytot/numray, b\ PgVBf9  
            print "  Y Centroid = ",yraytot/numray Y~Ifj,\  
            print "  X Middle   = ",(xraymax+xraymin)/2, H[UlY?&+  
            print "  Y Middle   = ",(yraymax+yraymin)/2 2Hdu:"j  
            format .0 b2]Kx&!  
            print "  ",numray, " out of ", numrayattempt," rays made it through." ^GX)Z~  
    else e%6QTg5#  
            print "  No rays made it through!" XM}hUJJW  
    endif <or2  
    f=f+1 L(o15  
    if f<= nfld() then goto 1  9a kH  
    print U3kyraj  
    print "All field positions done!" 4sM.C9W  
    FORMAT 0.1 }i2V.tVB-  
    print "Elapsed time ", ETIM(), " seconds." bx Wa oWE0  
     
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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 "] iB6  
    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 AFfAtu  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  - R6)ROGl  
    nQ L@hc  
    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 HOh!Xcu