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> > An: bastil2...@yahoo.de > CC: Utkarsh Ayachit <utkarsh.ayac...@kitware.com>, "'ParaView'" > <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 > <mailto: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> 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> 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> >>>>> An: Utkarsh Ayachit <utkarsh.ayac...@kitware.com> >>>>> CC: Andy Bauer <andy.ba...@kitware.com>; "bastil2...@yahoo.de" >>>>> <bastil2...@yahoo.de>; ParaView <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> 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> >>>>>> 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> >>>>>>> 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 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 >>>>>> >>>>> >>>> _______________________________________________ >>>> 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 <http://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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