[vtkusers] Powercrust weird behaviour.

[Tim Hutton]

Hi Ilia,

It is expected behavior that the powercrust algorithm adds points. You can
decimate the mesh afterwards if desired.

Tim

On 14 April 2016 at 10:04, IlinkaGrap <i.v.ankudinov at mail.ru> wrote:

> Hi! Recently I have been playing with this
> (http://www.sq3.org.uk/powercrust/) Powercrust port to VTK and spotted
> this
> weird behaviour, that occurs on every single model that you try to
> reconstruct.
>
> Let me explain this with the case of Stanford Bunny resolution2 surface
> reconstruction.
>
> When I reconstruct the Stanford Bunny 3D model(res2) from the ply file
> which
> has 8171 points I get the mesh with 32049! polygons and 46631! vertices. As
> far as I understand what Powercrust does is just joining the points of the
> originial cloud in the topologically-correct way.
>
> The questions that bothers me is, why do we have 46k number of vertices
> instead of 8k. I have to mention that I checked the cloud for duplicates
> sorting the std::vector and using std::unique and there were none.
> I would also like to add that I face this behaviour with any model I try to
> reconstruct using Powercrust.
>
> I would be very grateful if anyone could provide some information on this
> case.
>
> Best regards,
> Ilia
>
>
>
> --
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-- 
Tim Hutton - http://www.sq3.org.uk - http://profiles.google.com/tim.hutton/ -
https://github.com/timhutton
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