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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············· z\{y[3-  
    "}Vow^vb  
    macro 正文:········· m o nqaSF  
    ! centroid.zpl b+9M? k"  
    ! ilHZx2 k  
    ! Written by Kenneth Moore 9/1/92 ZXh6Se4o  
    ! Added TIMER function 4/18/96 ]^$3S  
    ! p~6/  
    TIMER iG^o@*}a  
    ! Z~[c65Nlu  
    ! The delta controls how many rays will be traced. A .k|8nNj  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 2r]80sWY  
    ! N*gnwrP{  
    delta = .025 ' cR||VX  
    ! gDa}8!+i  
    print "This program computes the chief ray coordinates," $i;%n1VBg  
    print "centroid coordinates, and middle coordinates for" Z.ky=vCt  
    print "the primary wave spot at each field position." }w}2'P'T  
    maxfield = maxf() |VQ17*4ff1  
    if maxfield == 0 then maxfield = 1 HN]roSt~  
    n = nsur() wsYvbI!  
    f = 1 ~7IXJeon  
    label 1 tN&4t xB  
    hx = fldx(f)/maxfield w9Bbvr6  
    hy = fldy(f)/maxfield g4EC[>5!r  
    raytrace hx,hy,0,0 #?DwOUw  
    format 10.4 6 GqR]KD  
    print B>hf|.GI  
    print "  X Field    = ", fldx(f), U@T"teGBA  
    print "  Y Field    = ", fldy(f) Ii FeO  
    print "  X Chief    = ",rayx(n), dZ K /v  
    print "  Y Chief    = ",rayy(n) 7&;M"?m&  
    xraymax = -9e9 fP# !ywgr%  
    yraymax = -9e9 LX2rg\a+%  
    xraymin =  9e9 F!(Vg  
    yraymin =  9e9 ^YiGvZJ  
    xraytot = 0 K[r<-6TS  
    yraytot = 0 3}~.#`QeY  
    numray = 0 %? -E)n[  
    numrayattempt = 0 cNOtfn6?F  
    px = -1 - delta jwhc;y  
    label 2 d 5jZ?  
    px = px + delta /enlkZx=8  
    py = -1 - delta BQTZt'p  
    label 3 3Z/_}5%"  
    py = py + delta RC?gozBFJ  
    rad = px*px + py*py :+#$=4  
    if rad <= 0.9999999 W>W b|W  
            raytrace hx, hy, px, py v,]-;V~<  
            numrayattempt = numrayattempt+1 AH-B/c5  
            if !rayv(n)                                              **************************** 5argw+2s4$  
                    numray = numray + 1 b?i5C4=K  
                    x = rayx(n) rMr:\M]t  
                    y = rayy(n) %  ]G'u  
                    if (x < xraymin) then xraymin = x !y_4.&C{  
                    if (x > xraymax) then xraymax = x +guCTGD:  
                    if (y < yraymin) then yraymin = y lidVe]>  
                    if (y > yraymax) then yraymax = y !r^fX=X>'  
                    xraytot = xraytot + x TP3KT)  
                    yraytot = yraytot + y -J &y]'  
            endif iepolO=  
    endif &FrUj>i  
    if py < 1.0 then goto 3 |Yb]@9 >vn  
    if px < 1.0 then goto 2 oD<aWZ"Z  
    if numray YOOcHo.F  
            format 14.8 cvOCBg38BH  
            print "  X Centroid = ",xraytot/numray, m4\e `nl  
            print "  Y Centroid = ",yraytot/numray BN7]u5\7  
            print "  X Middle   = ",(xraymax+xraymin)/2, & 6="r}  
            print "  Y Middle   = ",(yraymax+yraymin)/2 (fNG51h!  
            format .0 Dxvizd>VU  
            print "  ",numray, " out of ", numrayattempt," rays made it through." *? V boyU  
    else (>49SOu;$\  
            print "  No rays made it through!" 'Nkd *  
    endif Q l#y7HW  
    f=f+1 B<$(Nb5<  
    if f<= nfld() then goto 1 iH a:6  
    print ]C'^&:&<  
    print "All field positions done!" !}lCwV  
    FORMAT 0.1 (jmF7XfU  
    print "Elapsed time ", ETIM(), " seconds." B)/L[ )S  
     
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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 :y.~IQN  
    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 } eF r,bJ  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  _pmo 6O  
    |c>.xt~  
    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 3IJ0 P.x!o