[vtkusers] [Fwd: Re: Smoothing polygons (vtkPolyData)]

Oliver Rudolph oliver.rudolph at iisb.fraunhofer.de
Wed May 5 07:43:01 EDT 2010


Hi Bryn,

when I applied that filter, the number of points even grew and my closed
polys vanished. Instead I had a flat rectangular surface of the size of
the boundaries.

Yours,
Oliver


Bryn Lloyd wrote:
> Hi Oliver,
> 
> This filter, I think should do the job: vtkDecimatePolylineFilter
> 
> http://www.vtk.org/doc/nightly/html/classvtkDecimatePolylineFilter.html
> 
> -Bryn
> 
> 
> Oliver Rudolph wrote:
>> Dear all!
>>
>> Is there anything available in vtk that I simply haven't found yet for
>> smoothing some polygonal data?
>>
>> I have a closed polygon in 3D space (although it's actually located on a
>> plane) which is stored as vtkPolyData. Unfortunately, it consists of
>> quite a lot of points, even in regions of low curvature. Is there any
>> filter that can remove some of the points automagically?
>>
>> Best regards,
>> Oliver
>>
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> 


-- 
Oliver Rudolph            Topography Simulation
Fraunhofer IISB           Tel. +49 9131 761-215, Fax -212
Schottkystrasse 10        mailto:oliver.rudolph at iisb.fraunhofer.de
91058 Erlangen, Germany   http://www.iisb.fraunhofer.de



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