dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Thu, Jan 15, 2009 at 11:52:59PM +0100, Timm Höhr wrote:
> I just installed it a few days ago but, yes, there was a more recent  
> FEniCS available. After updating, the newer example works, the old one  
> not anymore, so it makes sense.
>
> But - new or old example - still I did not succeed to plot it in  
> paraview as a surface plot. I want it displayed in a similar way as what  
> is popping up after running the demo script.
> 'warp scalar' did not help. I wonder whats wrong, it should be a common  
> way to plot.

Just open the plot (poisson.pvd), then press

  Filters - Alphabetical - Warp (scalar) - Apply

Then rotate the figure and change the scaling. Works for me.

> Let me know, if this discussion should take place elsewhere.

Probably on some paraview-users list, but dolfin-dev is the closest
we've got.

-- 
Anders


> Regards,
> Timm
>
> Anders Logg wrote:
>> On Wed, Jan 14, 2009 at 10:41:56PM +0100, Timm Höhr wrote:
>>> Johannes Ring wrote:
>>>
>>>>>>> ParaView is in the latest Ubuntu release (Intrepid) and you should be
>>>>>>> able
>>>>>>> to install it on Hardy by enabling the Intrepid sources temporarily.
>>>>>>> Let
>>>>>>> me know if you want some instructions on how to do this.
>>>>>>>
>>>>>> Yes, I would appreciate some instructions.
>>>>> If you can't get it through your package manager, the the easiest it to
>>>>> just download ParaView from www.paraview.org. It's distributed as a
>>>>> binary executable.
>>> Hi Garth and Johannes,
>>>
>>> I tried the ParaView binary and it worked. Thanks.
>>> I was able to load the vtk-file that was produced by running the 
>>> FEniCS demo script.
>>> But I did not find out how to plot something different than a flat  
>>> surface where u(x,y) only determines the color. I would have liked  
>>> u(x,y) to define the height z of the graph, to get a topographic  
>>> impression of the solution. But that is maybe a ParaView question and 
>>> does not belong here, unless you happen to know.
>>
>> Try the filter named "warp scalar".
>>
>>> By the way, I used the old demo.py that is presented in the FEniCS  
>>> tutorial. The current one results in the following error (thereby  
>>> getting back to - well, closer to - the original thread topic):
>>>
>>> # python demo.py
>>> Traceback (most recent call last):
>>>    File "demo.py", line 5, in <module>
>>>      V = FunctionSpace(mesh, "CG", 1)
>>> NameError: name 'FunctionSpace' is not defined
>>
>> Looks like you have an old version of DOLFIN installed.
>>

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