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············· s8-RXEPb  
    Jr!^9i2j'  
    macro 正文:········· L0w6K0J4  
    ! centroid.zpl ]V"P &; m  
    ! 0%%1:W-  
    ! Written by Kenneth Moore 9/1/92 w/@ZPBRo]  
    ! Added TIMER function 4/18/96 [>ghs_?dZ  
    ! "ESc^28  
    TIMER APu$t$dmm  
    ! 8eqTA8$?  
    ! The delta controls how many rays will be traced. A t6Iy5)=zY  
    ! delta of .025 will trace a 80 x 80 grid in the pupil. rK gl:s j+  
    ! |>Q>d8|k  
    delta = .025 t/ \S9  
    ! z;JV3) E  
    print "This program computes the chief ray coordinates," $J1`.Q>)4  
    print "centroid coordinates, and middle coordinates for" `v -[&  
    print "the primary wave spot at each field position." zPnb_[YF  
    maxfield = maxf() qU26i"GHp  
    if maxfield == 0 then maxfield = 1 b1Vr>:sK47  
    n = nsur() f*%kHfaXgN  
    f = 1 >0HH#JW  
    label 1 TcZ.5Oe6h#  
    hx = fldx(f)/maxfield 7z? ;z<VJ  
    hy = fldy(f)/maxfield $;5Q mKQ'  
    raytrace hx,hy,0,0 2^[dy>[y0  
    format 10.4 YR'F]FI  
    print |_?e.}K  
    print "  X Field    = ", fldx(f), b8d0]YS  
    print "  Y Field    = ", fldy(f) L:HvrB~  
    print "  X Chief    = ",rayx(n), a0NiVF-m%  
    print "  Y Chief    = ",rayy(n) ^J]&($-  
    xraymax = -9e9 ^N7H~CT"  
    yraymax = -9e9 m>=DJ{KQ  
    xraymin =  9e9 ^ ]9K>}  
    yraymin =  9e9 pU_3Z3CeE  
    xraytot = 0 3(e_2v  
    yraytot = 0 !E$$ FvL  
    numray = 0 A}ZZQ  
    numrayattempt = 0 ^PEw#.WG  
    px = -1 - delta W ^'|{9&m  
    label 2 pGD@R=8  
    px = px + delta  VAiJL  
    py = -1 - delta g}MUfl-L  
    label 3 hywcj\[  
    py = py + delta ]g-%7g|  
    rad = px*px + py*py #@FA=p[%  
    if rad <= 0.9999999 ??F* Z" x  
            raytrace hx, hy, px, py :)1"yo\  
            numrayattempt = numrayattempt+1 %`F;i)Zz  
            if !rayv(n)                                              **************************** Sf S3}Tn[  
                    numray = numray + 1 sD3ZZcy|=  
                    x = rayx(n) _mSefPl  
                    y = rayy(n) #Hrzk!&9   
                    if (x < xraymin) then xraymin = x m!7%5=Fc  
                    if (x > xraymax) then xraymax = x C*mVM!D);!  
                    if (y < yraymin) then yraymin = y uw\@~ ,d  
                    if (y > yraymax) then yraymax = y 6*i **  
                    xraytot = xraytot + x `XxnQng  
                    yraytot = yraytot + y t@!n?j I  
            endif JmCMFq B9  
    endif {R_>KE1  
    if py < 1.0 then goto 3 m(8Tup|  
    if px < 1.0 then goto 2 1Ms]\<^j  
    if numray @HS*%N"*  
            format 14.8 Uxjc&o  
            print "  X Centroid = ",xraytot/numray, f\_RW;y|m  
            print "  Y Centroid = ",yraytot/numray ]s=|+tz\V  
            print "  X Middle   = ",(xraymax+xraymin)/2, 6:5K?Yo  
            print "  Y Middle   = ",(yraymax+yraymin)/2 m?kiGC&m  
            format .0 4]r_K2.cc  
            print "  ",numray, " out of ", numrayattempt," rays made it through." %jHm9{|X  
    else y?OP- 27y  
            print "  No rays made it through!" Z1 Nep !  
    endif vIpL8B86a  
    f=f+1 ZR!8hw8  
    if f<= nfld() then goto 1 ILm +o$o ~  
    print B[Lm}B[  
    print "All field positions done!" m|q,i xg  
    FORMAT 0.1 h]<S0/  
    print "Elapsed time ", ETIM(), " seconds." G[KjK$.Ts?  
     
    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 JX0M3|I=  
    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 i$y=tJehi  
    的影響,因此須知道漸暈才能算出chief ray位置。 (2013-01-24 14:06)  .6gx|V+  
    :=Zd)i)3  
    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 :fmV||Q