Unstructured grid needs cells even though you are only interested in points. You will have to create one cell per point or one cell that refer each point.
VTK_VERTEX or VTK_POLY_VERTEX. You can check the following document to see what I mean by Cell. Seb http://www.vtk.org/VTK/img/file-formats.pdf On Mon, Sep 13, 2010 at 4:28 PM, D Haley <my...@yahoo.com> wrote: > 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"> > 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> > </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
