[Paraview] A simple legacy VTK File

[pat marion]

Hi Panagiotis,

Try applying the Extract Edges filter.  This will extract and render
all the edges of the unstructured grid instead of just the exterior
surface.  The output will be a polygonal mesh, not unstructured grid.

Pat

On Sun, Sep 13, 2009 at 5:54 PM, Panagiotis Foteinos <pafotein at gmail.com> wrote:
> Thanks for your prompt reply. I followed your instructions and everything is
> fine.
>
> I thought that if I used the Wireframe display mode, I would be able to see
> all the cells together with their points (and not only the exterior facets).
> Also, I thought that the Points display mode would give all the points of
> the grid (and not only the exterior points). Apparently I am not familiar
> with Paraview.
>
> So my question now becomes: Is there a way to display all the cells/points
> (exterior or not) of the grid, without having to isolate each cell of
> interest?
>
> Regards,
> Panagiotis
>
> On Sun, Sep 13, 2009 at 5:23 PM, Andy Bauer <andy.bauer at kitware.com> wrote:
>>
>> It's not missing for me.  I loaded the file, selected one of the cells and
>> then used the extract selection filter.  I attached a picture of the result
>> I got which shows the "middle" point.  Also, when I look under the
>> information tab I see 9 total points there as well.
>>
>> How are you expecting the point to appear?  What version of ParaView are
>> you using?
>>
>> Andy
>>
>> On Sun, Sep 13, 2009 at 4:46 PM, Panagiotis Foteinos <pafotein at gmail.com>
>> wrote:
>>>
>>> Hello all.
>>>
>>> I am trying to display a simple tetrahedral unstructured grid using
>>> Paraview. Strangely, Paraview ignores a point of the grid which is both
>>> defined in the POINTS section and used as a vertex by all the
>>> tetrahedra/cells.
>>>
>>> Attached, you will find the vtk file that Paraview fails to display
>>> correctly.
>>>
>>> This file contains 9 points: the 8 vertices of a cube plus the cube's
>>> center point (1.5, 1.5, 1,5) which has a vtkIdType equal to 8 (see the
>>> file). Also, all the cells in the file are connected to the vtkIdType 8.
>>> When I load this file with Paraview, the cube's center (the point with
>>> vtkIdType equal to 8) is missing.
>>>
>>> Can anybody know what's happening? Isn't the file correct?
>>>
>>>
>>> Regards,
>>> Panagiotis
>>>
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>
>
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