[vtkusers] ellipse polydata

[Luca Pallozzi Lavorante]

Hi xujf,
you can obtain an ellipsoid from a sphere by using a transformation 
filter (vtkTransformPolyDataFilter) properly configured with a scaling 
transformation (vtkTransform). This is easy. You get a smooth surface, 
but I dont´t think your polygons would be regular as you need, because 
they would be the result of a scaling, which involves strech or extention.
If your are absolutely interested in regular polygons, I think there are 
filters to accomplish that from the ellipsoid´s polygons. Perhaps some 
other user in this list has done it?

Greetings

Luca

xujf wrote:

>hello,all:
>      
>      How to obtain an ellipse polydata with smooth surface and regular polygens, just as the output of vtkspheresource?
>
>Best Regards!
>xujf
>
> 
>
>------------------------------------------------------------------------
>
>_______________________________________________
>This is the private VTK discussion list. 
>Please keep messages on-topic. Check the FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>Follow this link to subscribe/unsubscribe:
>http://www.vtk.org/mailman/listinfo/vtkusers
>  
>