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    如何在lighttools内给导光板加上网点? [复制链接]

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    离线daoguang
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    只看该作者 20楼 发表于: 2007-05-06
    这个软件那里有下载的,请帮帮小弟,谢谢。
    离线trojan-1
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    只看该作者 21楼 发表于: 2007-07-01
    小弟是新手,请问相对于ASAP,在设计导光板方面,LT有什么优和缺,能比较下吗???谢了
    离线ycl641
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    只看该作者 22楼 发表于: 2007-07-07
    请问auto-cad的网点怎么导入啊,还有那个autolist是一个什么样的插件哦?
    离线286974144
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    只看该作者 23楼 发表于: 2007-10-19
    把网点参数写成.TXT格式,在导光板的TEXTURE中导入就可以在LT 中得到网点,只是中间要有个坐标转换,计算要精解. 9,+LNZ'k  
    多试几次就可以了.
    离线陈宏桂
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    只看该作者 24楼 发表于: 2007-10-30
    引用第23楼286974144于2007-10-19 15:17发表的  : }v{F9dv  
    把网点参数写成.TXT格式,在导光板的TEXTURE中导入就可以在LT 中得到网点,只是中间要有个坐标转换,计算要精解. &E~7ty'  
    多试几次就可以了.
    SVJ3!1B,  
    能详细说明吗?谢谢!
    离线oring
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    只看该作者 25楼 发表于: 2007-10-31
    lighttools有一個插件叫DXF Tool,可以把autocad的圖檔先轉成DXF檔,然後再吃進去lighttools,也可以把lighttools的網點轉出成dxf檔,讓autocad讀。
    离线chm85
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    只看该作者 26楼 发表于: 2007-11-13
    Parameterize the Bumps \KG{ 11  
    The Backlight Utility was helpful to build the backlight system quickly. However, @wB$qd;v  
    the bumps must be parameterized in order to get the desired output distribution. U,/>p=s  
    You can do this easily using the LightTools Properties dialog box. Yx,  
    1.In the System Navigator, expand the items LightGuide, CubePrimitive_1, G.9?ApG9  
    BottomSurface, and Zones. Then, select Texture, as shown in the following H -`7T;t~  
    figure. *@/! h2  
    2.Right-click and select Properties on the shortcut menu. >RRb8=[J  
    3.Select the Geometry tab. )wAqaG_d  
    4.Select the arrow next to the Placement drop-down list, and select Bezier. Click 7Rq;V=2YV  
    Apply. Y6V56pOS  
    ghtTools Introductory Tutorial
    离线chm85
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    只看该作者 27楼 发表于: 2007-11-13
    The default number of bumps is 100 (10 X 10). You need to change these C;M.dd  
    parameters to match your design. Note that LightTools allows many other q*,];j/>k  
    placement options, but you will use the Bezier placement option for this )9,9yd~SI  
    example. 2vT>hC?oHz  
    5.On both the X Placement tab and Y Placement tab, change the Number of nUD)G<v  
    Bumps parameter to 300, as shown in the following figure. Click Apply after ?u"MsnCXYn  
    each change. A2!7a}*1(  
    6.Click OK to close the dialog box. ._Wm%'uX  
    Note that the number of bumps is 300 X 300, which results in about 90,000 rXdI`l#  
    bumps on the surface (~ 5143 bumps/in2). These bumps are arranged in a D^$Nn*i;U  
    manner defined by the Bezier parameterization option. Please see Chapter 5 of  k/ls!e?  
    the LightTools Core Module User’s Guide for more information. With the 9U^jsb<St>  
    current parameter values, the Bezier option varies the bump spacing along the + v{<<  
    length of the light guide. The spacing in the orthogonal direction is constant. d#T~xGqz  
    The X and Y refer to the local coordinate system of the surface. +eg$Z]Lht  
    LightTools Introductory Tutorial * 91 |]w0ytL>(2  
    ]^uO3!+  
    HAPTER 5 Introduction to Backlight Design Zqc+PO3lw  
    C @.6l^"L  
    Examining Surface Properties K\v1o  
    Using the methods described in previous chapters, you may want to check your h/W@R_Y  
    model before you run a simulation. 3@f@4t@5V  
    Click on various parts of the model in the 3D Design View. Or use the System "JzQCY^C  
    Navigator to select different surfaces and view their Properties. QK)"-y}"g  
    1.In the System Navigator, click to open BottomSurface of the LightGuide, then ,IX:u1mO  
    click Zones, and then click Texture. -}_-#L!Q  
    2.Select SphericalElement, and then right-click and select Properties from the n$i}r\ so  
    shortcut menu. The Shape tab shows you a graphical representation of the WLqwntzk  
    spherical bump shape that is the bottom of the light guide. Q&S\?cKe  
    You might be curious as to why you cannot see the 3D texture property zones you EW7heIT$  
    defined. They are invisible by default, because drawing thousands of texture BuII|j  
    elements can make displaying and exploring the model somewhat slow. If you 7vax[,a I  
    choose to make them visible, 3D textures are displayed in wireframe, even if the Lwm2:_\_b  
    display mode is set to translucent. Wireframe rendering displays a bit faster and v0&E!4q*'  
    shows more of the technical details. ]U.1z  
    92 * LightTools Introductory Tutorial dP}=cZ~  
    9 &a&O Z{  
    HAPTER 5 Introduction to Backlight Design \W Kly  
    C ?4vf 2n@  
    1.Rotate and zoom the model to that you can see something like the illustration {U/a h2*  
    below: s=9gp$9m  
    . Ad!= *n  
    2.To reveal the Property Zones: uH 1%diL^  
    a.Right-click in the Design View and select View Preferences to display this GAG=4 g  
    dialog box. #-?C{$2I  
    b.On the Visibility tab, click the Property Zone check box to turn it on. -? {bCq  
    c.Click OK. Jv(9w[  
    You will see the wire frame rendering of the spherical bumps on the _' KJ:3e  
    bottom surface, and a solid color above it. The solid color is the 3D texture F/GfEMSE  
    of the BEFs (brightness-enhancing films) built automatically by the utility.   
    离线chm85
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    只看该作者 28楼 发表于: 2007-11-13
    看看这个有点帮助!
    离线stars-man
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    只看该作者 29楼 发表于: 2007-12-01
    1 是autolisp 不是autolist cspO5S>#  
    2 在autocad中是用autolisp编写插件,实现将网点参数之坐标和半径读取并另存为 pPr/r& r  
    txt档的命令,只要有坐标和半径就ok了,excel档也无所谓。看你喜欢 b(@[Y(_R  
    3 在lighttoools使用texture命令,建立一个圆点的矩阵,在坐标一栏中,把原有的删除 )na 8a!  
    贴上你在cad中读出的数据就好了。半径的参数一样办理 j TVh`d< N  
    4 关键是cad中网点的坐标位置要和lighttools模型的位置对应的上,否则,你贴上去网点位置在离模型很远的地方就不厚道了