Hello, That worked, thank you very much!
--- On Tue, 9/14/10, Sven Buijssen <[email protected]> wrote: > From: Sven Buijssen <[email protected]> > Subject: Re: [Paraview] VTK files with only points > To: "D Haley" <[email protected]> > Date: Tuesday, September 14, 2010, 9:14 AM > Hello, > > If a dataset contains points (geometry) but no vertices > (topology), Paraview > will not display anything. Apart from that there is the > restriction for > unstructured grids Sebastien pointed out already. > > D Haley wrote, On 13.09.2010 22:28: > > Hello, > > > > I am trying to use paraview to visualise molecular > dynamics results, as a function of time. I am following the > example of > > > > http://www.geophysik.uni-muenchen.de/intranet/it-service/applications/paraview/animations-with-paraview/ > > > > and writing a pvd file from my results which > references one VTU per timestep. However, the VTU file that > the PVD refers to won't open, and spits out the following > error when trying to open one directly: > > > > > > ERROR: In > /home/user/source/ParaView3/VTK/Filtering/vtkExecutive.cxx, > line 757 > > vtkStreamingDemandDrivenPipeline (0x253d920): > Algorithm vtkXMLUnstructuredGridReader(0x253cbe0) returned > failure for request: vtkInformation (0x253dc20) > > Debug: Off > > Modified Time: 984588 > > Reference Count: 1 > > Registered Events: (none) > > Request: REQUEST_INFORMATION > > FORWARD_DIRECTION: 0 > > ALGORITHM_AFTER_FORWARD: 1 > > > > My VTU file looks like this: > > > > > > <VTKFile type="UnstructuredGrid" version="0.1" > byte_order="BigEndian"> > > <UnstructuredGrid> > > <Piece NumberOfPoints="4"> > > <Points> > > <DataArray > type="Float32" NumberofComponents="3" NumberofCells="0" > Format="ascii"> > > You should move 'NumberofCells="4"' two lines up into > <Piece..." - and use a > capital O in both NumberOfComponents and NumberOfCells. > > > > 0.000105948 0.000105948 0.999478 > > > 0.000105948 0.999478 0.000105948 > > > 0.999478 0.000105948 0.000105948 > > > 0.000310148 0.000310148 0.000310148 > > > </DataArray> > > </Points> > > Insert here the following piece: > > <Cells> > <DataArray type="Int32" Name="connectivity" > format="ascii" RangeMin="0" > RangeMax="3"> > 0 1 2 3 > </DataArray> > <DataArray type="Int32" Name="offsets" format="ascii" > RangeMin="1" RangeMax="4"> > 1 2 3 4 > </DataArray> > <DataArray type="UInt8" Name="types" format="ascii" > RangeMin="1" RangeMax="1"> > 1 1 1 1 > </DataArray> > </Cells> > > and it will load fine into ParaView. > > Sven > > > > </Piece> > > </UnstructuredGrid> > > </VTKFile> > > > > > > Does anyone know what is wrong? > > > > Thanks. > > > > > > > > _______________________________________________ > > 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
