Hi Shinya, If I am not mistaken Gouraud is an interpolation for shading than for field values. Try crating a Sphere source and changing the Interpolation selection between Gouraud and Flat, hopefully you'll see the difference in shading.
Takuya Takuya OSHIMA, Ph.D. Faculty of Engineering, Niigata University 8050 Ikarashi-Ninocho, Nishi-ku, Niigata, 950-2181, JAPAN From: Andy Bauer <andy.ba...@kitware.com> Subject: Re: [Paraview] Fwd: Interpolation problem Date: Thu, 14 Oct 2010 11:06:36 -0400 > 2010/10/14 小縣信也 <so020...@gmail.com> > >> Hi Andy, >> >> Thank you for replying. >> Do you mean that the rendering image doesn't reflect the result of >> interpolation ? >> > > Yes. > > >> If so, what is the most common usage? >> In what situation is the interpolation used ? >> > > If your grid uses triangles then the image should match the interpolation > for the typical node/point based interpolation. > > > >> Shinya >> >> >> 2010/10/13 Andy Bauer <andy.ba...@kitware.com>: >> > I think this is a rendering issue and not an interpolation issue. From >> the >> > 2d plot you can see that it's properly interpolating the values. I think >> > the quadrilateral is getting rendered as 2 triangles in which case the >> > diagonal values appear to be constant since the 2 end points are at the >> same >> > value. >> > >> > 2010/10/12 小縣信也 <so020...@gmail.com> >> >> >> >> Hello >> >> >> >> I'm sending the following e-mail again ,because nobody answered it. >> >> Does anyone have information on my problem? >> >> >> >> Shinya >> >> >> >> >> >> ---------- Forwarded message ---------- >> >> From: 小縣信也 <so020...@gmail.com> >> >> Date: 2010/10/7 >> >> Subject: Interpolation problem >> >> To: paraview@paraview.org >> >> >> >> >> >> Hello, paraview users >> >> >> >> I draw the file “Sample_inter.vtk” on ParaView. (ref:attached file) >> >> I chose “Gouraud” in Interpolation option. >> >> The contor picture doesn’t seem to be interpolated by 4 points. >> >> However,the graph which is made by PlotOverLine shows the gradation of >> >> 4 points scalar. >> >> Why are they different? >> >> Does anyone know this problem? >> >> How can I make contour picture interpolated by Gouraud ? >> >> >> >> I look forward to your reply to my inquiry >> >> >> >> Shinya Ogata >> >> >> >> _______________________________________________ >> >> Powered by www.kitware.com >> >> >> >> Visit other Kitware open-source projects at >> >> http://www.kitware.com/opensource/opensource.html >> >> >> >> Please keep messages on-topic and check the ParaView Wiki at: >> >> http://paraview.org/Wiki/ParaView >> >> >> >> Follow this link to subscribe/unsubscribe: >> >> http://www.paraview.org/mailman/listinfo/paraview >> >> >> > >> > >> _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview