[vtkusers] Smooth vtkPolyData boundaries with phong interpolation

[Martijn Steenwijk]

I do use vertex-wise normals. A subdivision filter does improve the rendering, but it drastically reduces rendering speed.

Thanks for any further suggestions in advance.

Best, Martijn



> Op 30 jun. 2014 om 10:30 heeft Michael Bußler <Michael.Bussler at visus.uni-stuttgart.de> het volgende geschreven:
> 
> I'm not sure if you are already using them, but you might want to switch
> to per-vertex normals instead of per-face normals.
> 
> Best, Michael
> 
> Am Samstag, den 28.06.2014, 19:11 +0200 schrieb Martijn Steenwijk:
>> Dear all,
>> 
>> If i use phong shading for vtkPolyData visualization, the boundaries
>> of the surface show small corners at the vertices spanning the
>> surface. Is it possible to overcome this and create smooth boundaries?
>> See the attachment for an example.
>> 
>> Best,
>> Martijn
> 
> -- 
> --
> Michael Bußler, Dipl.-Inf. 
> Visualization Research Center, Universität Stuttgart (VISUS) Allmandring
> 19
> 70569 Stuttgart
> Germany
> 
> mail:   michael.bussler at vis.uni-stuttgart.de
> room:   Allmandring 19 / 01.033
> phone:  +49 (0)711 / 685 88634
> fax:    +49 (0)711 / 685 88610
>