[Paraview] Fwd: Interpolation problem

[Andy Bauer]

2010/10/14 小縣信也 <so0208jp at 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.bauer at 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 <so0208jp at 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 <so0208jp at gmail.com>
> >> Date: 2010/10/7
> >> Subject: Interpolation problem
> >> To: paraview at 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
> >>
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