RES: [Paraview] threshold filter problem

[Dominik Szczerba]

I have added it to the bug tracker.
Dominik

Amy Squillacote wrote:
> It looks like you have found a bug.  Please add it to the ParaView bug
> tracker: http://www.paraview.org/Bug/.
> 
> - Amy
> 
> At 06:35 AM 4/5/2006, Zhang Linbo wrote:
> 
>> I have encountered the same problem: if there're only cell data
>> and no point data, the 'threshold' filter is greyed out.
>>
>> Dominik Szczerba wrote:
>>
>>> I also tried the scalars as SCALARS, also with no luck: the threshold
>>> filter is not available in menu.
>>>
>>> ...
>>> CELL_DATA 57350
>>> SCALARS myscal double 1
>>> LOOKUP_TABLE default
>>> 0.4733236192835
>>> ...
>>>
>>>
>>>
>>> Dominik Szczerba wrote:
>>>
>>>
>>>> Hi Renato,
>>>> I am using legacy files like this:
>>>>
>>>> # vtk DataFile Version 2.0
>>>> Unstructured Grid
>>>> ASCII
>>>> DATASET UNSTRUCTURED_GRID
>>>> POINTS 10580 float
>>>> -59.6889391685686 73.3522325136846 39.8282703700326
>>>> ...
>>>> CELLS 57350 286750
>>>> 4 8402 9189 9188 8401
>>>> ...
>>>> CELL_TYPES 57350
>>>> 10
>>>> ...
>>>> CELL_DATA 57350
>>>> FIELD FieldData 1
>>>> myscal 1 57350 double
>>>> 0.4733236192835
>>>>
>>>> Thanks for any hints
>>>> Dominik
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Renato N. Elias wrote:
>>>>
>>>>
>>>>
>>>>> Dominik,
>>>>>
>>>>> Just for curiosity... which reader and PV version are you using?
>>>>> I'm asking
>>>>> it because there's a bunch of filters unavailable to work with data
>>>>> read
>>>>>
>>>>>
>>>>> from Ensight files in PV 2.4.3. It seems that PV team has been
>>>>> redesigning
>>>>
>>>>
>>>>
>>>>> the Ensight reader in this version...
>>>>>
>>>>> Cheers
>>>>>
>>>>> Renato
>>>>>
>>>>> -----Mensagem original-----
>>>>> De: paraview-bounces+rnelias=nacad.ufrj.br at paraview.org
>>>>> [mailto:paraview-bounces+rnelias=nacad.ufrj.br at paraview.org] Em
>>>>> nome de
>>>>> Dominik Szczerba
>>>>> Enviada em: terça-feira, 4 de abril de 2006 18:38
>>>>> Para: Amy Squillacote; paraview at paraview.org
>>>>> Assunto: Re: [Paraview] threshold filter problem
>>>>>
>>>>> Hi Amy,
>>>>> The thing is that the threshold filter is not at all available from
>>>>> menu
>>>>> unless I pass the data through cell2point filter...
>>>>> regards,
>>>>> Dominik
>>>>>
>>>>> Amy Squillacote wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Hi Dominik,
>>>>>>
>>>>>> It should not be necessary to first pass your data through
>>>>>> CellDataToPointData.  In the GUI for the threshold filter, there
>>>>>> is a menu button labeled "Attribute Mode".  Select "Cell Data"
>>>>>> from this menu, and then your cell-centered scalars should be
>>>>>> visible in the "Scalars" menu just below the "Attribute Mode" one.
>>>>>>
>>>>>> - Amy
>>>>>>
>>>>>> At 02:52 PM 4/4/2006, Dominik Szczerba wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Hi,
>>>>>>> I have a tetmesh with a scalar field at the cell centers. I want
>>>>>>> to extract tets with a scalar value within a certain range. It
>>>>>>> only works after cellData2nodeData, which, however, changes the
>>>>>>> values due to interpolation (actually, destroys them for me). 1)
>>>>>>> is there a particular reason threshold filter is not available
>>>>>>> for cell centered data? 2) how to walk around this problem?
>>>>>>> Thanks for any hints
>>>>>>> Dominik
>>>>>>> -- 
>>>>>>> Dominik Szczerba, Dr.
>>>>>>> Computer Vision Lab CH-8092 Zurich
>>>>>>> http://www.vision.ee.ethz.ch/~domi
>>>>>>> _______________________________________________
>>>>>>> ParaView mailing list
>>>>>>> ParaView at paraview.org
>>>>>>> http://www.paraview.org/mailman/listinfo/paraview
>>>>>>>
>>>>> -- 
>>>>> Dominik Szczerba, Dr.
>>>>> Computer Vision Lab CH-8092 Zurich
>>>>> http://www.vision.ee.ethz.ch/~domi
>>>>> _______________________________________________
>>>>> ParaView mailing list
>>>>> ParaView at paraview.org
>>>>> http://www.paraview.org/mailman/listinfo/paraview
>>>>>
>>>>
>>>
>>>
>>
>>
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> 
> w

-- 
Dominik Szczerba, Dr.
ETZ C110 CO-ME/BIWI CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi