[讨论]LightToolsVsTracePro [复制链接]

  TracePro Overview n.lp ena  
<R{\pz2w  
Like LightTools, TracePro is an solid-modeling based illumination modeling program with a Windows-based interface and CAD import/export capability g6W.Gl"5\w  
sCb?TyN'n  
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 _k+Bj.L  
0t4i'??  
TracePro analysis features are similar to LightTools, but LightTools is much stronger as an interactive design AND analysis tool

TracePro Weaknesses *gT TI;:  
eB]ZnJ2^=  
User Interface 1g/mzC
  
Must move/rotate objects by dialog box only 5d4-95['_  
Default naming convention (for spheres/elements, etc) is confusing and ambiguous o!H"~5Trv!  
jY?%LY@5I  
Modeling o`sn/x  
Most elements cannot be edited P7
Y[?='v  
  Must be deleted and recreated (including optical properties) lMO0d_:b1  
No unboolean capability ,zw  
Boolean limited to two objects at a time zR<jZwo]#  
3D texture very limited vs. LT

TracePro Weaknesses l;;:3:  
E|fPI u  
Ray Trace PHOW,8)dZh  
No interactive (point & shoot) ray trace  3sw1y  
No point sources; no volume sources }gn0bCJy  
Clipped Lambertian sources are difficult (LED or fiber output) @O(\TIg  
DuFlN1Z  
Analysis L`p[Dq.  
No illumination error estimate a[JgR/E@x  
Only 4 preset bins “available” j"dbl?og  
No 2D intensity distributions of full spheres bBQp:P?E  
Limited ray sorting options

LT Strengths vs. TracePro doa$ ;=wg  
Yk5kC0B  
LT has excellent design features vs. TracePro =wQ=`  
Interactive ray trace n#R!`*[  
Editable geometry S,v`rmI  
More powerful macro language in LT (VB/COM/Excel/etc. vs. Scheme) g$97"d'  
=
osj}(  
TracePro features not fully or well implemented +(<f(]bG  
3D textures BKTsc/v2>:  
Source definition cZ(XY}  
Many others

TracePro/LT Feature Checklist eOb`uyi  
7-
dwr?j7  
Recent LT features addressing TracePro competition oK>,MdB  
New LT 4.0 User Interface `4=b|N+b"  
Accelerated Ray Tracing (improved in 5.0) a !IH-XJ2  
AOI and Wavelength Scattering capabilities xI@~Ig  
Powerful 3D texture modeling for backlights (greatly expanded in v5.1 available 12/04) HT&0i,`  
8%4`Yj=  
TracePro features not in LT GxkG$B  
Ray trace through GRIN material oxzNV&D[{`  
Birefringent ray tracing

Misc. Comparisons, LT vs. TP r>Ln*R,9D  
CytpL`&^]  
Some large CAD models consume 20-30% more RAM and more CPU time in TP vs. LT No7Q,p  
j#&  
TP CAD import repair feature much slower than LT ^6+x0[13  
4(R2V]  
Inability to edit properties of Booleaned objects in TP (easy and unlimited in LT) x3Ud0[(  
wGvgMZ]?'  
Luminance meter simulation is simple approximation in TP, much more flexible and accurate in LT e0L;V@R  
}$-VI\96  
Most operations in LT can be done by mouse, by numeric input, or any combination (fewer TP features are mouse-enabled) {9Y'v  
ng*%1;P  
LT online help is extensive and useful, but very limited in TP L,6Y=?  
yShHFlO=  
ORA Tech Support for LT is by a dedicated team or experience illumination and optical engineers

3D Texture Comparisons aJ8pJ{,P  
!)O$Q}'\  
3D texture modeling more flexible and much faster to ray trace in LT vs. TP 9HX+sB M  
+&
OqJAu  
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 GcR`{ 3hO  
I*}#nY0+  
When optimization is available in 2005, these parametric textures will make it much easier to design backlight systems

Coming Soon in LightTools 3J T3;O  
 3Mx@  
bSf
(DSqx  
Photorealistic rendering will be introduced in LightTools in 2005 |lxy< C4V  
    Available now in TP, but feature is poorly implemented +ZKhmb!  
\'Ta8  
Illumination optimization including special backlight design features will be introduced in 2005 Net)l@IB]  
    Has been demonstrated in papers, ORA demos, and limited customer testing in 2004 [+g@@\X4  
    /y)"j#-eW  
    Is now being developed for maximum ease of use for typical users and applications       without user programming

看来楼主对这两个软件深有了解吗！佩服佩服...

Shiloh,你好！你的帖子非常好！谢谢！