Do you know a good paper, book or web page with more information about these "wood artifacts"? Thanks
On Mon, Sep 14, 2009 at 3:53 PM, Francois Bertel < [email protected]> wrote: > Hello, > > There are just the so-called "wood artifacts" due to undersampling the > dataset. A solution is to make the sampling distance smaller (however > it will make the rendering slower). > > vtkKWEGPUVolumeRayCastMapper *mapper; > [...] > mapper->SetSampleDistance(mapper->GetSampleDistance()/2.0); > > On Mon, Sep 14, 2009 at 9:01 AM, Cartik Sharma <[email protected]> > wrote: > > hi David, > > > > I get these too. This is a form of antialiasing associated with > oversampling > > at certain > > intensity points due to distribution over the volumetric surface. > > > > So we need to generate the requisite antialiasing correction filters to > > offset the same. > > > > This will refine the 3d model prior to final 3D rendering. > > > > best, > > Cartik > > > > ----- Original Message ----- > > From: david anaya > > To: vtkedge > > Sent: Monday, September 14, 2009 6:08 AM > > Subject: [VtkEdge] concentric lines in the result image > > Hi. > > This is only a doubt. > > I have attached an image of a skull rendered with vtkedge. > > It looks fine but in the skull's surface appears concentric lines .... or > > something similar. > > what is the reason of this effect? > > may be the interpolation method? > > Thanks in advance. > > Best regards, > > David. > > > > ________________________________ > > > > _______________________________________________ > > VtkEdge mailing list > > [email protected] > > http://public.kitware.com/cgi-bin/mailman/listinfo/vtkedge > > > > _______________________________________________ > > VtkEdge mailing list > > [email protected] > > http://public.kitware.com/cgi-bin/mailman/listinfo/vtkedge > > > > > > > > -- > François Bertel, PhD | Kitware Inc. Suite 204 > 1 (518) 371 3971 x113 | 28 Corporate Drive > | Clifton Park NY 12065, USA > _______________________________________________ > VtkEdge mailing list > [email protected] > http://public.kitware.com/cgi-bin/mailman/listinfo/vtkedge >
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