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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. 5P bW[  
    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  : x-c"%Z|  
    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. XW9!p.*.U  
    多试几次就可以了.
    Bvj0^fSm  
    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 n%-0V>  
    The Backlight Utility was helpful to build the backlight system quickly. However, ax2B ]L2  
    the bumps must be parameterized in order to get the desired output distribution. $M#>9QHhc  
    You can do this easily using the LightTools Properties dialog box. @o^Ww  
    1.In the System Navigator, expand the items LightGuide, CubePrimitive_1, wBzC5T%,  
    BottomSurface, and Zones. Then, select Texture, as shown in the following  -M2yw  
    figure. 4 :=]<sc,  
    2.Right-click and select Properties on the shortcut menu. 'yth'[  
    3.Select the Geometry tab. !W0v >p  
    4.Select the arrow next to the Placement drop-down list, and select Bezier. Click Al'3?  
    Apply. M2|is ~  
    ghtTools Introductory Tutorial
    离线chm85
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    只看该作者 27楼 发表于: 2007-11-13
    The default number of bumps is 100 (10 X 10). You need to change these -&;TA0~;  
    parameters to match your design. Note that LightTools allows many other t Pf40`@  
    placement options, but you will use the Bezier placement option for this 6RM/GM  
    example. 1cGmg1U;  
    5.On both the X Placement tab and Y Placement tab, change the Number of ~Z+%d9ode  
    Bumps parameter to 300, as shown in the following figure. Click Apply after 3F0 N^)@  
    each change. 9cgU T@a  
    6.Click OK to close the dialog box. 2%> FR4a  
    Note that the number of bumps is 300 X 300, which results in about 90,000 C7vxw-o|&p  
    bumps on the surface (~ 5143 bumps/in2). These bumps are arranged in a Tr|JYLwF  
    manner defined by the Bezier parameterization option. Please see Chapter 5 of P$sxr  
    the LightTools Core Module User’s Guide for more information. With the X|[`P<'N<  
    current parameter values, the Bezier option varies the bump spacing along the q =Il|Nb>  
    length of the light guide. The spacing in the orthogonal direction is constant. ]~%6JJN7  
    The X and Y refer to the local coordinate system of the surface. ^&)|sP  
    LightTools Introductory Tutorial * 91 I|J/F}@p  
    OH"XrCX7n  
    HAPTER 5 Introduction to Backlight Design {U1m.30n  
    C w:l"\Tm  
    Examining Surface Properties s7EinI{^  
    Using the methods described in previous chapters, you may want to check your TKjFp%  
    model before you run a simulation. @H<q"-J  
    Click on various parts of the model in the 3D Design View. Or use the System <X5 fUU"+U  
    Navigator to select different surfaces and view their Properties. <1 pEwI~  
    1.In the System Navigator, click to open BottomSurface of the LightGuide, then KF/-wZ"1s  
    click Zones, and then click Texture. ?}7p"3j'z  
    2.Select SphericalElement, and then right-click and select Properties from the KU;9}!#  
    shortcut menu. The Shape tab shows you a graphical representation of the �{x7,  
    spherical bump shape that is the bottom of the light guide. gJhiGYx  
    You might be curious as to why you cannot see the 3D texture property zones you a: S -  
    defined. They are invisible by default, because drawing thousands of texture 6 r_)sHf  
    elements can make displaying and exploring the model somewhat slow. If you {PmZ9  
    choose to make them visible, 3D textures are displayed in wireframe, even if the b[7 ]F  
    display mode is set to translucent. Wireframe rendering displays a bit faster and 8X0z~ &  
    shows more of the technical details. 'n|5ZhXPB  
    92 * LightTools Introductory Tutorial ^t"'rD-I  
    uGt-l4  
    HAPTER 5 Introduction to Backlight Design Sc   
    C Tf)*4O4@'  
    1.Rotate and zoom the model to that you can see something like the illustration _ J[  
    below: oE~Bq/p  
    . 5-G@L?~Vw  
    2.To reveal the Property Zones: wPl%20t  
    a.Right-click in the Design View and select View Preferences to display this x m@_IL&P  
    dialog box. W%)Y#C  
    b.On the Visibility tab, click the Property Zone check box to turn it on. s@DLt+ O5  
    c.Click OK. @I*{f  
    You will see the wire frame rendering of the spherical bumps on the $g7<Y*t[  
    bottom surface, and a solid color above it. The solid color is the 3D texture ASfaX:ke  
    of the BEFs (brightness-enhancing films) built automatically by the utility.   
    离线chm85
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    只看该作者 28楼 发表于: 2007-11-13
    看看这个有点帮助!
    离线stars-man
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    只看该作者 29楼 发表于: 2007-12-01
    1 是autolisp 不是autolist S+2(f> Z  
    2 在autocad中是用autolisp编写插件,实现将网点参数之坐标和半径读取并另存为 T5:G$-qL(  
    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 uH-)y,2&  
    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 #u + v_  
    贴上你在cad中读出的数据就好了。半径的参数一样办理 +H Usz ?  
    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