[vtk-developers] [vtkusers] Find center of polydata

[Laurent Chauvin]

Hum you're right.

So there isn't really technics to achieve that, isn't it ?

Thank you.
-Laurent



On Mar 12, 2013, at 12:00 PM, David Thompson <david.thompson at kitware.com> wrote:

> Hi Laurent,
> 
>> Yes, you're right. What I was trying to find is the medial axis of the shape. Can this axis be a curve ?
> 
> In 2D it usually is a curve. In 3D it is usually a (non-manifold) surface.
> 
>> My problem is, I want to display a plane around the polydata model, but as I explained, like the green one, not the red one:
>> 
>> <Screen Shot 2013-03-12 at 10.45.11 AM.png>
>> 
>> I would like my plane to "follow" the mesh (that's why I was trying to find the medial axis, to use it as the center of my plane).
> 
> The problem is that this concept is not well-defined for all shapes. What happens with the letters X or Y, for example?
> 
> 	David

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