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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············· HBlk~eZ  
    "-~ 7lY%  
    macro 正文:········· WyN ;lId  
    ! centroid.zpl `|dyT6V0I_  
    ! $%bSRvA  
    ! Written by Kenneth Moore 9/1/92 Xka REE  
    ! Added TIMER function 4/18/96 66yw[,Y  
    ! ]}2)U  
    TIMER =RoG?gd{R  
    ! 3BFOZV+  
    ! The delta controls how many rays will be traced. A O)'CU1vMb  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. AGlBvRX7e  
    ! F.9}jd{  
    delta = .025 ~tDYo)hH8  
    ! SE'Im  
    print "This program computes the chief ray coordinates," broLC5hbQU  
    print "centroid coordinates, and middle coordinates for" 8q2a8I9g  
    print "the primary wave spot at each field position." HIg2y  
    maxfield = maxf() As:O|!F  
    if maxfield == 0 then maxfield = 1 iq#{*:1  
    n = nsur() -l^<[%  
    f = 1 h4Crq Yxa_  
    label 1 &f*o rM:  
    hx = fldx(f)/maxfield [Vd$FDki  
    hy = fldy(f)/maxfield k<gH*=uXY'  
    raytrace hx,hy,0,0 b1&tk~D  
    format 10.4 -ng1RA>  
    print iRQ!J1SGcG  
    print "  X Field    = ", fldx(f), l_I)d7   
    print "  Y Field    = ", fldy(f) d"wA"*8~y  
    print "  X Chief    = ",rayx(n), &g`&#IRz  
    print "  Y Chief    = ",rayy(n) n]%- 2`}(  
    xraymax = -9e9 Y;i=c6  
    yraymax = -9e9 c*bvZC^6  
    xraymin =  9e9 XT7m3M  
    yraymin =  9e9 5'2kP{;  
    xraytot = 0 6^`iuC5  
    yraytot = 0 C6!F6Stn]g  
    numray = 0 oC0ndp~+&  
    numrayattempt = 0 X\^V{v^-  
    px = -1 - delta O]N/(pe:d  
    label 2 fBSa8D3}`  
    px = px + delta d:kB Zrq  
    py = -1 - delta Bf{u:TCK  
    label 3 n`Q@<op  
    py = py + delta \8vP"Kr  
    rad = px*px + py*py CPz<iU  
    if rad <= 0.9999999 SUS=sR/N  
            raytrace hx, hy, px, py epy2}TI  
            numrayattempt = numrayattempt+1 C}huU  
            if !rayv(n)                                              **************************** 4cjfn'x  
                    numray = numray + 1 ,\4]uZ<  
                    x = rayx(n) mLCD N1UO{  
                    y = rayy(n) & 3#7>oQ  
                    if (x < xraymin) then xraymin = x 'uL4ezTtA  
                    if (x > xraymax) then xraymax = x dN8Mfa)  
                    if (y < yraymin) then yraymin = y y`I>|5[ `  
                    if (y > yraymax) then yraymax = y \Y P,}_ ~  
                    xraytot = xraytot + x (W1 $+X  
                    yraytot = yraytot + y 4Aj~mA  
            endif c 1YDln  
    endif Al>d 21U  
    if py < 1.0 then goto 3 VfU"%0x  
    if px < 1.0 then goto 2 `YhGd?uu$  
    if numray nrac )W  
            format 14.8 1lw%RM  
            print "  X Centroid = ",xraytot/numray, Xu$>$D# a  
            print "  Y Centroid = ",yraytot/numray `v*HH}aDO  
            print "  X Middle   = ",(xraymax+xraymin)/2, mjeJoMvN)H  
            print "  Y Middle   = ",(yraymax+yraymin)/2 YT(N][V  
            format .0 0|&@)`  
            print "  ",numray, " out of ", numrayattempt," rays made it through." fi?4!h  
    else =2\2Sp  
            print "  No rays made it through!" c^}y9% 4c  
    endif C`5'5/-.  
    f=f+1 R%UTYRLUn  
    if f<= nfld() then goto 1 J0xHpe  
    print l=?e0d>O  
    print "All field positions done!" +,e#uuj$p  
    FORMAT 0.1 j=r1JV @  
    print "Elapsed time ", ETIM(), " seconds." (W}F\P  
     
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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 $1yy;IyR  
    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 )Rn\6ka  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  \c2x udU  
    )U~|QdZ  
    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  SCfp5W7~