obtain Nurbs from point clouds?

February 14, 2010 by sezerh · Leave a Comment
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Hello,

I need to obtain nurbs surface from point clouds. or here there is a file called scattered point cloud it obtain urfaces, but i need export this surfaces as a CAD data, i need to convert it to igs format, for igs format i need obtain nurbs surfaces from point clouds, or is i possible to get igs format without obtaining nurbs from point clouds ? is it possible to covert matlab figure to igs format ?

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iso2mesh: a 3D surface and volumetric mesh generator for matlab/octave

January 12, 2010 by Admin · Leave a Comment
Filed under: Biotecnology, CAD, Computational Geometry, Graphics, Medicine 
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  • A sibling project, metch – a mesh registration toolbox, is also hosted with this website.

Learn Qianqian’s other projects

Learn more on: http://iso2mesh.sourceforge.net/cgi-bin/index.cgi

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Fast Surface Reconstruction: Delaunay2.5D

September 18, 2009 by Luigi Giaccari · Leave a Comment
Filed under: Algorithms, Computational Geometry, Graphics 
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Can a surface reconstructor be faster than a 2D mesher?
It is coming soon the Delaunay2.5D algorithm a new fast surface reconstructor. It is currently in a prototype state, still have to code pre-processor and post-processor parts. I will include it in my thesis.

This algorithm can deal with  millions of points in a matter of a few second, it is basically faster than a 2d delaunay triangulation. For this reason I am also thinking about extend it to 2D and 3D triangulations.

More infos about the algorithm performances and how does it work will be given in future. At the time I only have this video demostration and a demo version.I was impatient to publish something about it :-D .

Delaunay2_5D has been released here.

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