CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

I think you should draw your projection normals as they might not be
what you expect.

Best regards,

Sebastien.

On 10/11/20 11:07 AM, Riccardo Mantini 
( via cgal-discuss Mailing List) wrote:
> Dear all,
>
> I am trying to generate a rudimental full hexahedral mesh using the 
> grid-based approach, CGAL library, in particular the linear cell complex 
> class. To do this, I have followed the following steps:
> 0. Imported the object to mesh (figure1);
> 1. Created a structured grid over the object to mesh (figure2);
> 2. Removed the hexahedrons outside of the object boundary and the 
> hexahedrons which intersect the boundary. Therefore I have found the 
> initial mesh (figure3);
> 3. Selected only the hexahedrons more external of the initial mesh. For 
> each of these hexahedrons, I have found the normal of each external 
> vertex and the intersection between the normal and the object boundary. 
> Then I have set the geometric point of the initial mesh on the 
> intersection point found.
> 4. Drawn the linear cell complex (lcc) (figure4)
>
> When I draw the lcc, I see many errors (figure4). It seems I moved 
> points not in the right place. Can please anyone help me to find out 
> where I am wrong?
>
> I attached figures and part of the code, if more code or details are 
> needed please ask.
>
> Thank you all.
>
> Best regards,
> Riccardo
>
>
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