RES: [Paraview] threshold filter problem

Amy Squillacote amy.squillacote at kitware.com
Wed Apr 5 07:58:37 EDT 2006


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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