切换到宽版
  • 广告投放
  • 稿件投递
  • 繁體中文
  • 离线moth
     
    发帖
    504
    光币
    1461
    光券
    0
    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············· Ea@N:t?(8=  
    eR.ucTji  
    macro 正文:········· 8UArl3  
    ! centroid.zpl pEIc ?i*  
    ! t.m65  
    ! Written by Kenneth Moore 9/1/92 ~8AcW?4Z  
    ! Added TIMER function 4/18/96 t?p[w&@M2  
    ! AY['!&T  
    TIMER 9.R)iA  
    ! tp2CMJc{L  
    ! The delta controls how many rays will be traced. A \HFeEEKH  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. WAlsh  
    ! M$L1!o1Xf  
    delta = .025 CLI!(8ZW  
    ! o.DT`L8  
    print "This program computes the chief ray coordinates," vKppXm1  
    print "centroid coordinates, and middle coordinates for" pX ]K-  
    print "the primary wave spot at each field position." s$e0;C!D  
    maxfield = maxf() U@v=q9'W  
    if maxfield == 0 then maxfield = 1 x0wy3+GZc  
    n = nsur() gio'_X  
    f = 1 {.2A+JT,  
    label 1 :70cOt~Z  
    hx = fldx(f)/maxfield w~>V2u_-  
    hy = fldy(f)/maxfield O#Ab1FQn  
    raytrace hx,hy,0,0 jj8AV lN  
    format 10.4 ot P7;l  
    print Hk%m`|Z  
    print "  X Field    = ", fldx(f), /C29^P  
    print "  Y Field    = ", fldy(f) GkjTE2I3  
    print "  X Chief    = ",rayx(n), <\c 5  
    print "  Y Chief    = ",rayy(n) qy6zHw  
    xraymax = -9e9 QSf{V(fs  
    yraymax = -9e9 xfw)0S  
    xraymin =  9e9 Oa=0d;_  
    yraymin =  9e9 :%qJAjR&  
    xraytot = 0 |Euf:yWY  
    yraytot = 0 @qH{;  
    numray = 0 ;bq_Y/"  
    numrayattempt = 0 O`- JKZc  
    px = -1 - delta ?}y?e}y*xZ  
    label 2 f,z_|e  
    px = px + delta (</cu$w>H)  
    py = -1 - delta 6JBE=9d-Q  
    label 3 :WejY`}H%  
    py = py + delta b 8v?@s~  
    rad = px*px + py*py rWI6L3,i+  
    if rad <= 0.9999999 bJ~]nj 3  
            raytrace hx, hy, px, py 2w93 ~j  
            numrayattempt = numrayattempt+1 TGu`r>N51  
            if !rayv(n)                                              **************************** -#= v~vE  
                    numray = numray + 1 L !:}  
                    x = rayx(n) Zuod1;qIh  
                    y = rayy(n) g9I2 e<;o  
                    if (x < xraymin) then xraymin = x N8;/Zd;^  
                    if (x > xraymax) then xraymax = x ^yiRrcOo  
                    if (y < yraymin) then yraymin = y hb7H- Z2  
                    if (y > yraymax) then yraymax = y & D4'hL3  
                    xraytot = xraytot + x %c)^8k;I  
                    yraytot = yraytot + y ^'r/;(ZF*/  
            endif GQO}E@W6C  
    endif !]7r>NS>  
    if py < 1.0 then goto 3 DU#6%8~  
    if px < 1.0 then goto 2 VqLqj$P  
    if numray hkeOe  
            format 14.8 r8rU+4\8<  
            print "  X Centroid = ",xraytot/numray, K"-.K]O8E%  
            print "  Y Centroid = ",yraytot/numray ^B~z .F i  
            print "  X Middle   = ",(xraymax+xraymin)/2, o7E?A  
            print "  Y Middle   = ",(yraymax+yraymin)/2 `qp[x%7^  
            format .0 dX-Xzg  
            print "  ",numray, " out of ", numrayattempt," rays made it through." }7E2,A9_"  
    else 9/TF #  
            print "  No rays made it through!" <7cm[  
    endif Dsc{- <v  
    f=f+1 OF'y]W&  
    if f<= nfld() then goto 1 Hzh?w!Ow  
    print lO>w|=<  
    print "All field positions done!" /<)A!Nn+F  
    FORMAT 0.1 V9f$zjpw  
    print "Elapsed time ", ETIM(), " seconds." h^ea V,x>=  
     
    分享到
    离线kimclps
    发帖
    589
    光币
    1158
    光券
    0
    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 `8xt!8Z$  
    的影響,因此須知道漸暈才能算出chief ray位置。
    离线moth
    发帖
    504
    光币
    1461
    光券
    0
    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 CtiTXDc_  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  <2Q+? L{  
    "i3wc&9!?W  
    Kimclps兄果然学识过人,受教了·····
    离线kimclps
    发帖
    589
    光币
    1158
    光券
    0
    只看该作者 3楼 发表于: 2013-01-29
    不敢當,互相切磋。
    离线junel
    发帖
    53
    光币
    23
    光券
    0
    只看该作者 4楼 发表于: 2014-06-21
    受教了 X6hm,0[