CGAL users discussion list

["Mahbubunnabi Tamal" <>]

Hi 

Since I am very new to the field, I would be very grateful if you could please provide 
some sort of example for 3D surface meshing from clouds of points. 

Regards
Tamal

On 11/06/07, Mahbubunnabi Tamal <> wrote:

Hi

Could you please suggest me any source code to compute an implicit function, from a
set of points.

With thanks
Tamal

On 08/06/07, Laurent Rineau <> wrote:

On Friday 08 June 2007 18:04:43 Mahbubunnabi Tamal wrote:
> Hello all
>
> I have a data file (text file) with vertices defined by x,y and z
> coordinates
>
> x1 y1 z1
> .. ...
> xN yN zN

You seem to have a set of points, as input. Surface_mesher in CGAL-3.3 is a
package to mesh a implicit function. What you need is a surface
reconstruction algorithm (from a set of points). You cannot use
Surface_mesher.

However, there exists some algorithm to compute an implicit function, from a
set of points, whose zero level represents a smooth surface interpoling the
points. If you have such a function, then you can use the Surface_mesher
package.

--
Laurent Rineau
INRIA - Sophia Antipolis
BP 93, 2004 Route des Lucioles
06902 Sophia Antipolis Cedex FRANCE
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