[vtkusers] How to generate smooth line

[Paul Tait - OPES]

vtkKochanekSpline or vtkCardinalSpline

-----Original Message-----
From: vtkusers-bounces+paul=opes.com.au at vtk.org
[mailto:vtkusers-bounces+paul=opes.com.au at vtk.org] On Behalf Of Dominik
Szczerba
Sent: Wednesday, 16 May 2007 6:52 PM
To: YaoHaofeng
Cc: vtkusers at public.kitware.com
Subject: Re: [vtkusers] How to generate smooth line


I use the tubeFilter for that with datasets of about a milion segments and
it fits into 2GB.

Smoothing lines is a problem for me too: the smoothFilter works very well
but only for polygons, not lines. For the moment I just smooth them myself,
but would be glad to have it done the vtk way.

DS

YaoHaofeng wrote:
> I have a set of lines in vtkAppendPolydata filter to form some brain
> tracts, which then fed into the polydataMapper, but they are white and
> look very bad, there are some programs that generate smooth lines as:
> http://people.csail.mit.edu/lauren/dti_pic5_large.png
>
> can anybody tell me how to generate the same effect for the lines? I
> tried to feed the vtkAppendPolydata filter into the tubeFilter but it
> says the problem is too big to fit into the memory.
>
> thanks
>
> hank
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--
Dominik Szczerba, PhD
Computer Vision Lab CH-8092 Zurich http://www.vision.ee.ethz.ch/~domi
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