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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············· ?]P&3UU>0z  
    +x+H(of.  
    macro 正文:········· /&kTVuN"(  
    ! centroid.zpl "`&?<82  
    ! PE4{;|a }  
    ! Written by Kenneth Moore 9/1/92 e?f[t*td  
    ! Added TIMER function 4/18/96 !N)oi $T%  
    ! ;9prsvf  
    TIMER pwu5Fxn)  
    ! ~xHr/:  
    ! The delta controls how many rays will be traced. A x "N,oDs  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. x#ouR+<  
    ! :$9 4y{  
    delta = .025 &"L3U  
    ! tcRK\  
    print "This program computes the chief ray coordinates," g5Hs=c5=\  
    print "centroid coordinates, and middle coordinates for" ~u3I=b  
    print "the primary wave spot at each field position." 1F$a My?  
    maxfield = maxf() :b.#h7Qt<  
    if maxfield == 0 then maxfield = 1 =B?uNoe  
    n = nsur() ;>CmVC'/  
    f = 1 }>h?W1  
    label 1 hl# 9a?  
    hx = fldx(f)/maxfield @V<tg"(c  
    hy = fldy(f)/maxfield - 6  
    raytrace hx,hy,0,0 _`;6'}]s  
    format 10.4 IAtc^'l#  
    print 8`^I. tD  
    print "  X Field    = ", fldx(f), ,q:6[~n  
    print "  Y Field    = ", fldy(f) 31bKgU{  
    print "  X Chief    = ",rayx(n),  w[VWk  
    print "  Y Chief    = ",rayy(n) |Yk23\!  
    xraymax = -9e9 ^K;,,s;0  
    yraymax = -9e9 ls/:/x(5d  
    xraymin =  9e9 ;JAe=wt^'I  
    yraymin =  9e9 kvo741RO6  
    xraytot = 0 p R~PB  
    yraytot = 0 p?d Ma_ g  
    numray = 0 0dnm/'L  
    numrayattempt = 0 qA03EU  
    px = -1 - delta 4q~l ?*S  
    label 2 55yP.@i9J  
    px = px + delta t(ZiQ<A  
    py = -1 - delta KH@M & >=^  
    label 3 ); $~/H4  
    py = py + delta {N _v4})  
    rad = px*px + py*py <xc"y|7X  
    if rad <= 0.9999999 q Rtgk  
            raytrace hx, hy, px, py WQ6E8t)  
            numrayattempt = numrayattempt+1 6?hv ,^  
            if !rayv(n)                                              **************************** 8LkC/  
                    numray = numray + 1 ;GvyL>|-~  
                    x = rayx(n) hz )L+  
                    y = rayy(n) (6.0gB$aTu  
                    if (x < xraymin) then xraymin = x ss-Be  
                    if (x > xraymax) then xraymax = x IG#=}q  
                    if (y < yraymin) then yraymin = y  -EITz  
                    if (y > yraymax) then yraymax = y qk:F6kL\`  
                    xraytot = xraytot + x g3Ff<P P  
                    yraytot = yraytot + y }TYCF@  
            endif Gz6FwU8L  
    endif Oys.8%+ P  
    if py < 1.0 then goto 3 )iEK7d^-  
    if px < 1.0 then goto 2 =3& WH0  
    if numray v 7Pv&|  
            format 14.8 <H#D/?n5  
            print "  X Centroid = ",xraytot/numray, *h]qh20t  
            print "  Y Centroid = ",yraytot/numray 9l(e:_`_  
            print "  X Middle   = ",(xraymax+xraymin)/2, C#vh2'  
            print "  Y Middle   = ",(yraymax+yraymin)/2 I.\u2B/?  
            format .0 iRPd=)  
            print "  ",numray, " out of ", numrayattempt," rays made it through." b7"pm)6  
    else }*? e w  
            print "  No rays made it through!" XrBLw}lD`N  
    endif [q_Yf!(m-  
    f=f+1 85nUR [)h  
    if f<= nfld() then goto 1 Wp >W?'`  
    print drN^-e  
    print "All field positions done!" d~28!E+  
    FORMAT 0.1 NB16O !r  
    print "Elapsed time ", ETIM(), " seconds." Zso .3FR,  
     
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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 MA"iM+Ar  
    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 _X@:- _  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  !!` zz  
    fM2[wh@  
    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 eueXklpg+