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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············· 5k\61(*s  
    u;Z~Px4]v  
    macro 正文:········· ] xH `  
    ! centroid.zpl .79'c%3}  
    ! |bBYJ  
    ! Written by Kenneth Moore 9/1/92 sxuYwQ  
    ! Added TIMER function 4/18/96 ^(6.M\Q  
    ! P"xP%zqo  
    TIMER  UnO -?  
    ! RWoa'lnu  
    ! The delta controls how many rays will be traced. A W}Z|v M$  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. "C0oFRk  
    ! \y0abxIHS  
    delta = .025 BGA.8qWR4  
    ! M"V?fn'  
    print "This program computes the chief ray coordinates," '7E?|B0],  
    print "centroid coordinates, and middle coordinates for" {WC{T2:8  
    print "the primary wave spot at each field position." QGYmQ9m{kL  
    maxfield = maxf() #=zh&`  
    if maxfield == 0 then maxfield = 1 dwmj*+  
    n = nsur() 7d9%L}+q  
    f = 1 fYH%vr)  
    label 1 av5lgv)3  
    hx = fldx(f)/maxfield 1YS{; y[o  
    hy = fldy(f)/maxfield ?5+=  
    raytrace hx,hy,0,0 ci*Z9&eS+  
    format 10.4 5X[=Q>  
    print ?p}m[9@  
    print "  X Field    = ", fldx(f), ~A6QX8a  
    print "  Y Field    = ", fldy(f) yTmoEy. q  
    print "  X Chief    = ",rayx(n), m"xw5aa>  
    print "  Y Chief    = ",rayy(n) T"dEa-O  
    xraymax = -9e9 ft$/-;  
    yraymax = -9e9 ^(a%B  
    xraymin =  9e9 ^TDHPBlG  
    yraymin =  9e9 ,H.q%!{h_  
    xraytot = 0 h"q`gj  
    yraytot = 0 G-T:7  
    numray = 0 *,z__S$Q)  
    numrayattempt = 0 ^Dd$8$?[  
    px = -1 - delta oU{m\r  
    label 2 /tV)8pEj  
    px = px + delta yyBy|7QgO  
    py = -1 - delta :}j{NM#  
    label 3 wLNO\JP'  
    py = py + delta U*,5t81  
    rad = px*px + py*py & XcY|y=W  
    if rad <= 0.9999999 3VKArv-  
            raytrace hx, hy, px, py !R4`ihi1  
            numrayattempt = numrayattempt+1 +Pn+&o;D  
            if !rayv(n)                                              **************************** +]Ydf^rF  
                    numray = numray + 1 Au:Q4x.  
                    x = rayx(n) A<AZs~f  
                    y = rayy(n) ?mrG^TV^+r  
                    if (x < xraymin) then xraymin = x LL.YkYu  
                    if (x > xraymax) then xraymax = x elw<(<u`  
                    if (y < yraymin) then yraymin = y @@_f''f$  
                    if (y > yraymax) then yraymax = y KLlW\MF1  
                    xraytot = xraytot + x >Ei_##  
                    yraytot = yraytot + y JZN'U<R  
            endif ?!8M I,c/  
    endif %5a>@K]  
    if py < 1.0 then goto 3 HPm12&8,  
    if px < 1.0 then goto 2 =3l%ZL/  
    if numray ^qYJx  
            format 14.8 kcI3pmgj  
            print "  X Centroid = ",xraytot/numray, 2et7Vw  
            print "  Y Centroid = ",yraytot/numray AEhh 6v  
            print "  X Middle   = ",(xraymax+xraymin)/2, LbvnV~S  
            print "  Y Middle   = ",(yraymax+yraymin)/2 0I& !a$:  
            format .0 b`fPP{mG  
            print "  ",numray, " out of ", numrayattempt," rays made it through." a\aJw[d{  
    else h0d;a  
            print "  No rays made it through!" : xB<Rq  
    endif x.~Z9j  
    f=f+1 fD]}&xc  
    if f<= nfld() then goto 1 8`kK)iCq  
    print i\2~yXw\  
    print "All field positions done!" DNC2]kS<  
    FORMAT 0.1 `/8Dmg  
    print "Elapsed time ", ETIM(), " seconds." ytK h[Uo  
     
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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 (Xi?Y/  
    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 uLX5khQ  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  2oyTS*2u_&  
    #9M6 q  
    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 [!1z; /