[vtkusers] Wrap a point cloud

[Paul McIntosh]

And for good measure - here is the same example using your code: https://github.com/daviddoria/PoissonReconstruction

Note: This is a rubber component from a kick start - because it was mat black much if it is missing from the structured light scan

It was very easy to build - thanks!

Paul

----- Original Message -----
> From: "Paul McIntosh" <paul.mcintosh at monash.edu>
> To: "David Doria" <daviddoria at gmail.com>
> Cc: vtkusers at vtk.org, "Ray9" <jmap at ua.pt>
> Sent: Sunday, 1 September, 2013 9:20:34 AM
> Subject: Re: [vtkusers] Wrap a point cloud
> 
> 
> ----- Original Message -----
> > From: "David Doria" <daviddoria at gmail.com>
> > To: "Paul McIntosh" <paul.mcintosh at monash.edu>
> > Cc: vtkusers at vtk.org, "Ray9" <jmap at ua.pt>
> > Sent: Saturday, 31 August, 2013 9:31:41 PM
> > Subject: Re: [vtkusers] Wrap a point cloud
> > 
> > On Fri, Aug 30, 2013 at 5:49 AM, Paul McIntosh
> > <paul.mcintosh at monash.edu> wrote:
> > > Would this example not be the solution also?
> > >
> > > http://www.paraview.org/Wiki/VTK/Examples/Cxx/PolyData/ConvexHullShrinkWrap
> > >
> > > I am trying to apply it to filling holes in a scanned mesh. I am
> > > more concerned about my model being watertight as all the missing
> > > mesh was hidden from the scanner (there for not of interest to my
> > > CFD simulation as it is not in the flow).
> > >
> > > Cheers,
> > >
> > > Paul
> > 
> > Paul,
> > 
> > ConvexHullShrinkWrap will make a convex mesh, which is almost never
> > a
> > good representation of a point cloud. That is, it totally ignores
> > any
> > points that are "inside" the bounds of any other set of points.
> > It's
> > easy enough to run - give it a try and see what you think on your
> > data. If it works, great, and it is much easier than building an
> > external package like Poisson Reconstruction.
> > 
> > David
> > 
> 
> Hi David,
> 
> Yes - I got it work and it suits my purposes (plugging holes in mesh
> I am not too concerned about) but you are right it would not suit
> the original point cloud issue.
> 
> For others interested, I've attached an example and the code can be
> found here:
> 
> https://github.com/internetscooter/Vespa-Labs/tree/master/VespaCFD/WrapMesh
> 
> Cheers,
> 
> Paul
> --
> Dr Paul McIntosh
>   Senior HPC Consultant, Technical Lead,
>     Multi-modal Australian ScienceS Imaging and Visualisation
>     Environment (www.massive.org.au)
>        Monash University, Ph: 9902 0439 Mob: 0434 524935
> 

-- 
Dr Paul McIntosh
  Senior HPC Consultant, Technical Lead,
    Multi-modal Australian ScienceS Imaging and Visualisation Environment (www.massive.org.au)
       Monash University, Ph: 9902 0439 Mob: 0434 524935
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