[Paraview] vtkCellLocator: Python

[BastiL2001]

Thanks Andi,


I don't know since the ensight reader does this for me. I want to work with the input he produces.

Is it in any way possible to link GetMetaData to the current block? Afaik I can not query each blocks meta-Data, can I?


Are you naming the block in the meta-data?  In vtkCompositeDataSet there is a method called GetMetaData (http://www.vtk.org/doc/nightly/html/classvtkCompositeDataSet.html#abcf79d23fc3a67138da3336e4cda2afe) that may be what you're looking for.

Andy


On Fri, May 28, 2010 at 3:58 PM, BastiL2001 <bastil2001 at yahoo.de> wrote:

Thanks Andi,
>
>I will do this. What I am planning to do is to create a scalr field with some distance information as an output.
>
>Another issue: I want to loop oder a multi-block dataset with an iterator in a programmable filter (works) and find out the name of the currently visited block. Is that possible? Thanks.
>
>Regards Bastian
>
>
>
>
________________________________
Von: pat marion <pat.marion at kitware.com>
>An: Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
>CC: Andy Bauer <andy.bauer at kitware.com>; "Bastil2001 at yahoo.de" <Bastil2001 at yahoo.de>; ParaView <paraview at paraview.org>
>Gesendet: Freitag, den 28. Mai 2010, 16:59:07 Uhr
>Betreff: Re: [Paraview] vtkCellLocator: Python
>
>Unfortunately some of the locator api is pass by reference and therefore not wrapped by python.  Bastian, let us know if you run into missing methods when trying to use the cell locator in python.
>
>Pat
>
>
>>On Fri, May 28, 2010 at 10:31 AM, Utkarsh Ayachit <utkarsh.ayachit at kitware.com> wrote:
>
>>>
>>Andy,
>>
>>>>Bastian wants to use the cell locator in a python programmable --
>>>>which won't involve any fetching.
>>
>>>>Bastian,
>>>>You can create a cell locator in your programmable filter simply by:
>>
>>>>locator = vtk.vtkCellLocator()
>>
>>
>>>>Utkarsh
>>
>>
>>
>>
>>
>>>>On Fri, May 28, 2010 at 10:22 AM, Andy Bauer <andy.bauer at kitware.com> wrote:
>>>>> My guess is that you'll want to use a filter to get access to the cell
>>>>> locator.  What's the desired output for this?
>>>>>
>>>>> You could also fetch the data set to the client and then use the vtk wrapped
>>>>> classes in paraview.vtk to use the cell locator if the class has been
>>>>> wrapped but the fetch operation should be used with caution.
>>>>>
>>>>> Andy
>>>>>
>>>>> On Thu, May 27, 2010 at 5:55 PM, Bastil2001 at yahoo.de <Bastil2001 at yahoo.de>
>>>>
>>> wrote:
>>>>>>
>>>>>> Dear all,
>>>>>>
>>>>>> can I use vtkCellLocator from within Pyhon oder the Python programmable
>>>>>> filter? If yes, how? Or do I need to write my own filter in c++? Thanks.
>>>>>>
>>>>>> Regards Bastian
>>
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