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    [讨论]LightToolsVsTracePro [复制链接]

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    离线shiloh
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    只看楼主 倒序阅读 楼主  发表于: 2005-09-22
      TracePro Overview cu[!D}tVU  
    [f<"p[  
    Like LightTools, TracePro is an solid-modeling based illumination modeling program with a Windows-based interface and CAD import/export capability G/v|!}?wG  
    r%0pQEl  
    TracePro modeling capabilities are similar to LightTools but with significant weaknesses that make it harder to use and less flexible, and is especially limited in 3D texture modeling compared to LightTools \ ,>_c  
    c{1V.  
    TracePro analysis features are similar to LightTools, but LightTools is much stronger as an interactive design AND analysis tool
     
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    只看该作者 1楼 发表于: 2005-09-22
    TracePro Weaknesses \X&]FZ(*  
    xN6>2e  
    User Interface zQ,f5x  
    Must move/rotate objects by dialog box only fD'/#sA#'  
    Default naming convention (for spheres/elements, etc) is confusing and ambiguous :`D'jF^S  
    br b[})}  
    Modeling cL#-*_(  
    Most elements cannot be edited x_yF|]aI!  
      Must be deleted and recreated (including optical properties) Ig<}dM.Z[  
    No unboolean capability d!o.ASL{  
    Boolean limited to two objects at a time aSUsyOe  
    3D texture very limited vs. LT
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    只看该作者 2楼 发表于: 2005-09-22
    TracePro Weaknesses 0A.PD rM:  
    !Q!&CG5l  
    Ray Trace -TgUyv.  
    No interactive (point & shoot) ray trace TZ'aNcGg  
    No point sources; no volume sources /J;;|X#P  
    Clipped Lambertian sources are difficult (LED or fiber output) +kM\ D~D1  
    Vn'?3Eb<  
    Analysis aVP5%  
    No illumination error estimate J;~E<_"Hn  
    Only 4 preset bins “available” 0C]4~F x~  
    No 2D intensity distributions of full spheres  =^Th[B  
    Limited ray sorting options
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    只看该作者 3楼 发表于: 2005-09-22
    LT Strengths vs. TracePro `_GO=QQ  
    fWj@e"G  
    LT has excellent design features vs. TracePro zrrz<dW  
    Interactive ray trace -,^WaB7u\  
    Editable geometry 45) D+  
    More powerful macro language in LT (VB/COM/Excel/etc. vs. Scheme) \#++s&06  
    "qS!B.rt:  
    TracePro features not fully or well implemented ugI#ZFjJWE  
    3D textures +#~O'r]%GG  
    Source definition ^sV|ck  
    Many others
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    只看该作者 4楼 发表于: 2005-09-22
    TracePro/LT Feature Checklist .fEw k  
    _IxamWpX$  
    Recent LT features addressing TracePro competition FZp<|t  
    New LT 4.0 User Interface WNa3^K/W{  
    Accelerated Ray Tracing (improved in 5.0) IcFK,y%1  
    AOI and Wavelength Scattering capabilities K6hfauWd[  
    Powerful 3D texture modeling for backlights (greatly expanded in v5.1 available 12/04) [/OQyb4F<  
    p![&8i@ym  
    TracePro features not in LT i=L8=8B`  
    Ray trace through GRIN material 3u_oRs  
    Birefringent ray tracing
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    只看该作者 5楼 发表于: 2005-09-22
    Misc. Comparisons, LT vs. TP q 5p e~  
    3]^'  
    Some large CAD models consume 20-30% more RAM and more CPU time in TP vs. LT X`1p'JD  
    o,FUfO}F  
    TP CAD import repair feature much slower than LT gI{ =0  
     hgO?+x  
    Inability to edit properties of Booleaned objects in TP (easy and unlimited in LT) lsY `c"NW>  
    M/#U2!iFk  
    Luminance meter simulation is simple approximation in TP, much more flexible and accurate in LT W 2<3C  
    [4>r6Hqxr  
    Most operations in LT can be done by mouse, by numeric input, or any combination (fewer TP features are mouse-enabled) 9"ugz^uKt  
     F\LsI;G  
    LT online help is extensive and useful, but very limited in TP + |C=ZU  
    a5?A!k\2  
    ORA Tech Support for LT is by a dedicated team or experience illumination and optical engineers
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    只看该作者 6楼 发表于: 2005-09-22
    3D Texture Comparisons iBoEZEHjw  
    J3=BE2L  
    3D texture modeling more flexible and much faster to ray trace in LT vs. TP $<OhGk-  
    5B*qbM  
    LT (5.1) has flexible features to parametrically vary all 3D texture features (spacing, size, angles, depth, etc.) by equation or by direct “placement lists” imported from spreadsheet or other software ,I`_F,  
    .zS D`v@[  
    When optimization is available in 2005, these parametric textures will make it much easier to design backlight systems
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    只看该作者 7楼 发表于: 2005-09-22
    Coming Soon in LightTools &{W^W8,%  
    v!trsjb  
    x?L hq2  
    Photorealistic rendering will be introduced in LightTools in 2005 ^i`*Wm@!  
        Available now in TP, but feature is poorly implemented "EH,J  
    l1<?ONB.#  
    Illumination optimization including special backlight design features will be introduced in 2005 :;4SQN{2 O  
        Has been demonstrated in papers, ORA demos, and limited customer testing in 2004 +(mL~td01  
        ({M?Q>s  
        Is now being developed for maximum ease of use for typical users and applications       without user programming
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    只看该作者 8楼 发表于: 2005-09-29
    看来楼主对这两个软件深有了解吗！佩服佩服...
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    只看该作者 9楼 发表于: 2005-10-12
    Shiloh,你好！你的帖子非常好！谢谢！
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