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Faster 3d display


VectorBob

Question

I have noticed that in the process of rotating or moving large complex 3D surfaces (such as DTMs) in VectorWorks that the operation seems to be slow. I know that others may say "Get a faster processor" or "Use more RAM" but I have noticed that other 3D apps are significantly faster. On investigating these applications I became aware of the fact that they use the FFT (fast fourier transformation) algorithm. Can we have the FFT algorithm implemented in VectorWorks to enhance raster response with very large files?

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Hi Gerard

I am a geologist and not a mathematician but I will try to give my understanding of FFT. It is a method of generating a surface using sine and cosine functions. This allows for faster rendering, zooming and rotation. An application I have used that has a very fast FFT algorithm is FracSIS (http://www.fractaltechnologies.com/). Other geophysical companies that have applications that use FFT include Encom Geophysical (http://www.encom.com.au/) recently acquired by Pitney Bowes a few weeks ago and Geosoft (http://www.geosoft.com/). It may be possible that VectorWorks has an FFT algorithm but it is not very efficient especially for large data sets.

Edited by VectorBob
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Hi there, yes the need for speed, I think that would be awesome,

in my opinion the single most important thing really for future VectorWorks editions.

What about file size? I guess that too, I mean a small detailed 3D eg kitchen takes easly 60MB! If one day it will be only max 6mb, I believe editing & any handling would be faster.

Cheers

Edited by amawork
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