CGAL users discussion list

["David Lariviere" <>]

Hi Pierre, 

Did you use an opensource library to fix the mesh? I have had similar
problems importing meshes into CGAL, and haven’t been able to find a set of
libraries to automate the process. 

I would be extremely appreciative if one could point me in the direction of
code which can fix up meshes such that they can be correctly imported.

- David Lariviere

-----Original Message-----
From: Pierre Alliez 
[mailto:]
 
Sent: Friday, April 04, 2008 10:50 AM
To: 

Subject: Re: [cgal-discuss] Mesh Simlification

Sinan,

I tried to fix your mesh, which is pretty hectic (92239 vertices, 163118 
faces, 4271 components, 6556 boundaries, genus 7708).

good luck.

sinan mutlu a écrit :
> Dear Laurent Rineau,
>
> You are right. In the "assert(is.good());"  line  the  example  
> explodes.  It seems that  the  file is  not  read  correctly.
> But why it occurs, I have copied the data  from "cube.off" into 
> "cow.off" and it worked. But what is the differences between these files.
> I have controlled insides of  these. Moreover I can open cow.off file 
> with different 3D viewers.
>
> Thank you very much.
>
> On 04/04/2008, *Laurent Rineau* 
> <
>  
> <mailto:>>
>  wrote:
>
>     On Friday 04 April 2008 15:18:54 sinan mutlu wrote:
>     > Dear Andread Fabri,
>     >
>     > I have tried the code below:
>     >
>     >    Surface surface;
>     >     float maxface=0.1;
>     >
>     >     std::ifstream is("cow.off") ;   //std::ifstream
>     is("skull.off") ;
>     >     is >> surface ;
>     >
>     >    Surface::Point_iterator pn = surface.points_begin();
>     >     int i = 0;
>     >     while(pn!=surface.points_end())
>     >         i++;
>     >     std::cout<<i<<endl;
>     >
>     > and the result is "0".
>
>
>     Most probably, your off file has not been correctly read. Add:
>        assert(is.good());
>     just after "is >> surface ;", to check that the input operation
>     has been
>     finished successfully.
>
>
>     --
>     Laurent Rineau
>     INRIA - Sophia Antipolis
>     BP 93, 2004 Route des Lucioles
>     06902 Sophia Antipolis Cedex FRANCE
>     Tel: +33 4 92 38 78 62 (Fax: +33.4.97.15.53.95)
>
>     --
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>
>

-- 
Pierre Alliez
INRIA Sophia Antipolis - Mediterranee 
http://www-sop.inria.fr/geometrica/team/Pierre.Alliez/
Tel: +33 4 92 38 76 77
Fax: +33 4 97 15 53 95

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