Try the following: print iter.GetCurrentMetaData().Get(vtk.vtkCompositeDataSet.NAME())
Utkarsh On Tue, Jun 1, 2010 at 3:12 PM, bastil2...@yahoo.de <bastil2...@yahoo.de>wrote: > Thanks Eric, all, > > but this does not seem to work at all. My loop looks something like this: > > input = self.GetInputDataObject(0, 0) > output = self.GetOutputDataObject(0) > if input.IsA("vtkMultiBlockDataSet"): > iter = input.NewIterator() > iter.UnRegister(None) > iter.InitTraversal() > i=1 > while not iter.IsDoneWithTraversal(): > curInput = iter.GetCurrentDataObject() > curInformation = curInput.GetInformation() > print i > print iter.GetCurrentMetaData() > # This is where I want to query for the current name, line does not > work.... > print iter.GetCurrentMetaData().Get(iter.GetCurrentMetaData.NAME) > i=i+1 > iter.GoToNextItem(); > > The output of print iter.GetCurrentMetaData() looks like this: > > > vtkInformation (0x3808f00) > Debug: Off > Modified Time: 269417 > Reference Count: 2 > Registered Events: (none) > DONT_PRUNE: 1 > NAME: my_given_name > > I want to work wit the "NAME" attribute ('my_given_name in this case) but > I don't know how...? > > bastil2...@yahoo.de wrote: > > > > -------- Original-Nachricht -------- Betreff: Re: [Paraview] > vtkCellLocator: Python Datum: Mon, 31 May 2010 15:15:54 -0400 Von: Eric > E. Monson <emon...@cs.duke.edu> <emon...@cs.duke.edu> An: > bastil2...@yahoo.de CC: Utkarsh Ayachit > <utkarsh.ayac...@kitware.com><utkarsh.ayac...@kitware.com>, > "'ParaView'" <paraview@paraview.org> <paraview@paraview.org> > > > Hey Bastian, > > I think you should be able to just use the Get() method to pull out that > information key. When I want to find current time step information on some > pipeline data (with a programmable filter), which has information that looks > like this: > > vtkInformation (0x11dd723d0) > Debug: Off > Modified Time: 70754 > Reference Count: 2 > Registered Events: (none) > DATA_NUMBER_OF_GHOST_LEVELS: 0 > DATA_TIME_STEPS: 0 > DATA_PIECE_NUMBER: 0 > DATA_EXTENT_TYPE: 0 > DATA_NUMBER_OF_PIECES: 1 > > I can do it with these commands: > > pdi = self.GetInputDataObject(0,0) > current_time = pdi.GetInformation().Get(pdi.DATA_TIME_STEPS(),0) > > So you might be able to just put NAME() in where I put DATA_TIME_STEPS(). > > Talk to you later, > -Eric > > ------------------------------------------------------ > Eric E Monson > Duke Visualization Technology Group > > > On May 31, 2010, at 1:23 PM, bastil2...@yahoo.de wrote: > > Thanks Utkarsh, > > the required information is in MetaData: > > print iter.GetCurrentMetaData() > > vtkInformation (0x3808f00) > Debug: Off > Modified Time: 269417 > Reference Count: 2 > Registered Events: (none) > DONT_PRUNE: 1 > NAME: my_given_name > > Now I want to work with the NAME-Attribute (my_given_name) but I don't know > how to get this into a variable? I can't find a GetName()-Method... > > print dir(iter.GetCurrentMetaData()) > > ['AddObserver', 'Append', 'AppendUnique', 'BreakOnError', 'Clear', 'Copy', > 'CopyEntries', 'CopyEntry', 'DebugOff', 'DebugOn', 'FastDelete', 'Get', > 'GetAddressAsString', 'GetClassName', 'GetDebug', 'GetGlobalWarningDisplay', > 'GetKey', 'GetMTime', 'GetNumberOfKeys', 'GetReferenceCount', 'GetRequest', > 'GlobalWarningDisplayOff', 'GlobalWarningDisplayOn', 'Has', 'HasObserver', > 'InvokeEvent', 'IsA', 'IsTypeOf', 'Length', 'Modified', 'NewInstance', > 'PrintRevisions', 'Register', 'Remove', 'RemoveAllObservers', > 'RemoveObserver', 'RemoveObservers', 'SafeDownCast', 'Set', 'SetDebug', > 'SetGlobalWarningDisplay', 'SetReferenceCount', 'SetRequest', 'UnRegister'] > > Thanks for help. > > Regards Bastian > > Am 30.05.2010 16:58, schrieb Utkarsh Ayachit: > > The following example shows how to create an iterator to iterate over > all blocks in a composite dataset. The iterator > (http://www.vtk.org/doc/nightly/html/classvtkCompositeDataIterator.html) > has methods like HasCurrentMetaData(), GetCurrentMetaData() that you > can use to get the meta-data for the current block. Note that by > default the iterator skips over non-leaf nodes. If you want to access > those, use VisitOnlyLeavesOff() on the iterator. > http://www.itk.org/Wiki/Python_Programmable_Filter#Dealing_with_Composite_Datasets > > Utkarsh > > On Sat, May 29, 2010 at 1:15 PM, BastiL2001 <bastil2...@yahoo.de> > <bastil2...@yahoo.de> wrote: > > > 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 <bastil2...@yahoo.de> > <bastil2...@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.mar...@kitware.com> <pat.mar...@kitware.com> > An: Utkarsh Ayachit <utkarsh.ayac...@kitware.com> > <utkarsh.ayac...@kitware.com> > CC: Andy Bauer <andy.ba...@kitware.com> <andy.ba...@kitware.com>; > "bastil2...@yahoo.de" <bastil2...@yahoo.de><bastil2...@yahoo.de> > <bastil2...@yahoo.de>; ParaView <paraview@paraview.org> > <paraview@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.ayac...@kitware.com> <utkarsh.ayac...@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.ba...@kitware.com> > <andy.ba...@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, bastil2...@yahoo.de<bastil2...@yahoo.de> > <bastil2...@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 > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects > athttp://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki > at:http://paraview.org/Wiki/ParaView > > Follow this link to > subscribe/unsubscribe:http://www.paraview.org/mailman/listinfo/paraview > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects > athttp://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki > at:http://paraview.org/Wiki/ParaView > > Follow this link to > subscribe/unsubscribe:http://www.paraview.org/mailman/listinfo/paraview > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects > athttp://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki > at:http://paraview.org/Wiki/ParaView > > Follow this link to > subscribe/unsubscribe:http://www.paraview.org/mailman/listinfo/paraview > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects > athttp://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki > at:http://paraview.org/Wiki/ParaView > > Follow this link to > subscribe/unsubscribe:http://www.paraview.org/mailman/listinfo/paraview > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to > subscribe/unsubscribe:http://www.paraview.org/mailman/listinfo/paraview > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/mailman/listinfo/paraview > > > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/mailman/listinfo/paraview > >
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