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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············· nehk8+eV_  
    1cMdoQ  
    macro 正文:········· n}1hmAh Z  
    ! centroid.zpl j5[ >HL  
    ! NU{eoqaT  
    ! Written by Kenneth Moore 9/1/92 k%sA+=  
    ! Added TIMER function 4/18/96 H15!QxD#  
    ! t4~?m{  
    TIMER `'mRGz7t  
    ! qX6zk0I a  
    ! The delta controls how many rays will be traced. A :x3DuQP  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. 1GLb^:~A  
    ! '&gUAt  
    delta = .025 ,O^kZ}b  
    ! -s le7k  
    print "This program computes the chief ray coordinates," !^1oH**  
    print "centroid coordinates, and middle coordinates for" " ;8kKR  
    print "the primary wave spot at each field position." FcOrA3tt  
    maxfield = maxf() h]|2b0  
    if maxfield == 0 then maxfield = 1 UN^M.lqZX  
    n = nsur() cZrJW  
    f = 1 **6X9ZIX[  
    label 1 _jxysFl=  
    hx = fldx(f)/maxfield h4ghMBo%  
    hy = fldy(f)/maxfield -wNhbV2  
    raytrace hx,hy,0,0 u+jx3aP:  
    format 10.4 ~aL?{kb+  
    print P;&U3i  
    print "  X Field    = ", fldx(f), {cw+kY]m4-  
    print "  Y Field    = ", fldy(f) w#bdb;  
    print "  X Chief    = ",rayx(n), ,>TDxI;  
    print "  Y Chief    = ",rayy(n) ms+gq  
    xraymax = -9e9 #\z"k<{*  
    yraymax = -9e9 {w99~?  
    xraymin =  9e9 I;P!   
    yraymin =  9e9 =)Goip  
    xraytot = 0 [{ A5BE -  
    yraytot = 0 d+8|aS<A  
    numray = 0 SQuW`EHBgs  
    numrayattempt = 0 @Hp=xC9V  
    px = -1 - delta H a`V"X{}  
    label 2 3}.OSt'=  
    px = px + delta +]VW[ $W  
    py = -1 - delta :{Iv ]d  
    label 3 jwwst\f  
    py = py + delta *vzj(HGO  
    rad = px*px + py*py b&pL}o?/k  
    if rad <= 0.9999999 #N\<(SD/  
            raytrace hx, hy, px, py ]}_Ohe]X  
            numrayattempt = numrayattempt+1 *NI hYg6  
            if !rayv(n)                                              **************************** W}\<}dK  
                    numray = numray + 1 3 +D4$Y"  
                    x = rayx(n) -$D#u  
                    y = rayy(n) <bBgevL+_K  
                    if (x < xraymin) then xraymin = x Psjk 7\  
                    if (x > xraymax) then xraymax = x }iB>3|\  
                    if (y < yraymin) then yraymin = y v #Q(g/^  
                    if (y > yraymax) then yraymax = y Mg u=cm )  
                    xraytot = xraytot + x 93Qx+oK]  
                    yraytot = yraytot + y *eUxarI  
            endif 3HX-lg`0  
    endif #~qY%X  
    if py < 1.0 then goto 3 2|8$@*-\  
    if px < 1.0 then goto 2 '[[*(4 a3  
    if numray ^c>ROpic  
            format 14.8 `%0k\,}V  
            print "  X Centroid = ",xraytot/numray, O'W[/\A56M  
            print "  Y Centroid = ",yraytot/numray 8PW3x-+  
            print "  X Middle   = ",(xraymax+xraymin)/2, ]LSlo593  
            print "  Y Middle   = ",(yraymax+yraymin)/2 k=5v J72U  
            format .0 mDIN%/S'  
            print "  ",numray, " out of ", numrayattempt," rays made it through." G\S_e7$ /  
    else Dt+u f5o(  
            print "  No rays made it through!" fu`|@S  
    endif \MmKz^tO  
    f=f+1 x*F_XE1#M  
    if f<= nfld() then goto 1 GG`;c?d@  
    print L>2gx$f  
    print "All field positions done!" &vS@-K  
    FORMAT 0.1 k.#[h@Pm  
    print "Elapsed time ", ETIM(), " seconds." G%fNGQwT  
     
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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 % KmhR2v  
    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 &26H   
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  AT]Ty  
    eMV@er|  
    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 3V`.<