[Paraview] question-filter

[Cory Quammen]

Hi Islem,

Please reply-all to keep the discussion on the list so that others may
benefit from the discussion.

First, is there a data array that describes whether a volume element
in your mesh contains water or some other element? If so, you can use
the Threshold filter under the Filters -> Alphabetical -> Threshold
menu to select only the elements representing water. You will have to
set the minimum and maximum to the value that represents water, then
click Apply.

HTH,
Cory

On Mon, Feb 22, 2016 at 1:14 PM, Megdich Islem <megdich_islem at yahoo.fr> wrote:
> Hi again,
>
> Thank you for your suggestion, Could you please explain how to do the first
> step because I am not the one who created the picture I sent you before.
>
> Regards,
> Islem
>
>
> Le Lundi 22 février 2016 16h45, Megdich Islem <megdich_islem at yahoo.fr> a
> écrit :
>
>
> Thank you for your reply. I will try your suggestions.
>
> Regards,
> Islem
>
>
> Le Lundi 22 février 2016 14h22, Cory Quammen <cory.quammen at kitware.com> a
> écrit :
>
>
> Islem,
>
> There are likely two steps:
>
> 1). Threshold your volume to identify only the water-containing cells.
> It looks like you have a way to do this already?
>
> 2). Compute the volumes of the water-containing cells and summing them up.
>
> You can use the Threshold filter to do number 1 if you have a material
> code in the cell data. To compute the volume of the cells, add a
> Python Annotation filter to the Threshold filter. Set the Expression
> to
>
> algs.sum(algs.volume(inputs[0]))
>
> This uses the numpy-like interface in the Python layer to compute the
> volumes of the cells and sum them all up. The Python Annotation filter
> should display the volume with a text label in your renderer.
>
> Hope this helps,
> Cory
>
> On Mon, Feb 22, 2016 at 9:09 AM, Megdich Islem <megdich_islem at yahoo.fr>
> wrote:
>> Hi Cory,
>>
>> Thank you very much for your prompt reply. I've attached here a picture
>> that
>> illustrates my problem. I am working on the break of bund walls and I want
>> to compute the volume of water that overtops the bund wall (walls
>> surrounding storage tank), after the  solution reaches the steady state.
>>
>> Regards,
>> Islem
>>
>>
>> Le Lundi 22 février 2016 13h53, Cory Quammen <cory.quammen at kitware.com> a
>> écrit :
>>
>>
>> Hi Islem,
>>
>> This is the place to ask ParaView questions! There is some activity on
>> StackOverflow, but most people ask questions on this mailing list.
>>
>> Could you clarify what you want to compute? Do you just want to subset
>> a volume mesh and display the results over time? Do you want to
>> compute one quantity and display it as a graph over time? Do you want
>> to compute a single number from a time series data set?
>>
>> Thanks,
>> Cory
>>
>> On Mon, Feb 22, 2016 at 8:48 AM, Megdich Islem <megdich_islem at yahoo.fr>
>> wrote:
>>> Hello,
>>>
>>> I am new to paraview, and I didn't find a forum under paraview website to
>>> ask my question.
>>> My question is is there any filter in paraview that lets to compute the
>>> evolution of a quantity within a specific volume of the mesh.
>>>
>>> Regards,
>>> Islem
>>>
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>>
>>
>> --
>> Cory Quammen
>> R&D Engineer
>> Kitware, Inc.
>
>>
>>
>>
>
>
>
> --
> Cory Quammen
> R&D Engineer
> Kitware, Inc.
>
>
>
>



-- 
Cory Quammen
R&D Engineer
Kitware, Inc.