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["Sebastien Loriot (GeometryFactory)" <>]

If it does what you want, then yes.

Sebastien.

On 05/23/2016 04:57 PM, Sukhraj Singh wrote:
> Okay,
>
> Assuming I don't use connected_components().
> And I directly create Polyhedrons from the segments, i.e.
>
> - Iterate through polyhedron.
> - Create polyhedron of a segment using Polyhedron_incremental_builder_3.
>
> Is this correct way to do ? Or there is some better approach in CGAL.
>
>
>
>
> On Mon, May 23, 2016 at 1:18 PM, Sebastien Loriot (GeometryFactory)
> <
>  
> <mailto:>>
>  wrote:
>
>     What I mean is if you need both clusters and segments but want to
>     save on computation time, you can run the segmentation algorithm to
>     extract
>     segments and then clusters using `connected_components()` (instead of
>     another run of segmentation).
>
>     Sebastien.
>
>     On 05/22/2016 02:32 PM, Sukhraj Singh wrote:
>
>         Thanks for your answer, Sebastien
>         Do I really need to use connected_components()
>
>         I already have the "segment_pmap", where the value is the
>         segment id to
>         which that particular face belongs.
>         And one could parse the Polyhedron and collect all the faces having
>         particular segment ID.(Of-course I need to check, how to
>         implement the same)
>         Is my understanding correct ?
>
>
>
>         Further, quoting from my previous email:
>
>              Two spatially apart areas( i.e. not having
>              common edges) of a Mesh may fall into same segment, since
>         they had
>              comparable SDF values.
>
>
>         I am not sure about it, they of-course may fall into same
>         cluster, but
>         may not be to the same segment.  In such a case if, faces that don't
>         share edge, will fall into different segment always, even though
>         they
>         were in same cluster, using connected_components() may not be
>         required ?
>
>
>
>
>         On Thu, May 12, 2016 at 6:00 PM, Sebastien Loriot (GeometryFactory)
>         
> <
>  
> <mailto:>
>         
> <mailto:
>  
> <mailto:>>>
>  wrote:
>
>              On 05/12/2016 02:16 PM, Sukhraj Singh wrote:
>
>                  Salut,
>
>                  The "Triangulated Surface Mesh Segmentation" module
>         allows one to
>                  segment a surface mesh using the SDF values.
>                  It creates a Property Map which is colorized according
>         to the
>                  indices,
>                  resulting into segments. Two spatially apart areas(
>         i.e. not having
>                  common edges) of a Mesh may fall into same segment,
>         since they had
>                  comparable SDF values.
>
>                  My question is, how can one extract these segments.
>         Since I want
>                  to do
>                  further processing on a segment separately. Also I
>         would like
>                  further
>                  divide a segment, into say sub-segments , where a
>         sub-segment
>                  will have
>                  faces which are not spatially apart, i.e.  a subset
>         which is having
>                  common edges only.
>
>
>
>              Set the parameter output_cluster_ids to true when calling the
>              segmentation function
>
>         
> http://doc.cgal.org/latest/Surface_mesh_segmentation/group__PkgSurfaceSegmentation.html#ga8533ea7b1062ebbabe3bf23fed303f24
>
>              If you need also the segments, then set the option to false and
>              use the function connected_components() considering as
>         constrained
>              edges the edges between two faces belonging to different
>              segments.
>
>         
> http://doc.cgal.org/latest/Polygon_mesh_processing/group__keep__connected__components__grp.html#gabe2052b2281e1e628e68d8fea94be2d9
>
>
>              Sebastien.
>
>
>
>                  Thanks to inform.
>
>
>
>
>                  P.S. I am a newbie.
>                  --
>                  Sukhraj Singh
>
>
>
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>
>
>         --
>         Sukhraj Singh
>
>
>
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>
> --
> Sukhraj Singh