More likely than not, your vtkTestReader::RequestData() returned a '0'. You might want to put a break point in vtkTestReader::RequestData() and see why it's returning a 0.
Utkarsh On Thu, Feb 11, 2010 at 10:34 AM, Adriano Gagliardi <[email protected]> wrote: > > Dear All, > > I have a custom reader that works fine and loads mesh and data in as I > require. However, when I try to execute 'Generate Surface Normals' on it, I > get the error below. The process I am following is: > > -> Read in mesh and data(multi-block data-set, vtkUnstructuredGrid stored in > each block) > -> Extract blocks > -> Extract surface (outputs vtkPolyData) > -> Generate Surface Normals > -> Error message > > ERROR: In /usr/Paraview/ParaView3/VTK/Filtering/vtkExecutive.cxx, line 757 > vtkCompositeDataPipeline (0x8135e40): Algorithm vtkTestReader(0x7ecf280) > returned failure for request: vtkInformation (0x1c9cf730) > Debug: Off > Modified Time: 369530 > Reference Count: 1 > Registered Events: (none) > Request: REQUEST_DATA > FORWARD_DIRECTION: 0 > ALGORITHM_AFTER_FORWARD: 1 > FROM_OUTPUT_PORT: 0 > > Notably, after this happens the data in the entire pipeline is messed up. > Can someone point me to something that may be missing in my reader? > > Best regards, > > Adriano > > =================================== > > Adriano Gagliardi MEng PhD > Project Scientist > Computational Aerodynamics > Aircraft Research Association Ltd. > Manton Lane > Bedford > > Tel: 01234 32 4644 > E-mail: [email protected] > Url: www.ara.co.uk > > > --------------------------- > This email contains information that is private and confidential and is > intended only for the addressee. If you are not the intended recipient > please delete it and notify us immediately by e-mailing the sender. > Note: All email sent to or from this address may be accessed by someone other > than the recipient, for system management and security reasons. > Aircraft Research Association Ltd. Registered in England, Registration No > 503668 Registered Office: Manton Lane, Bedford MK41 7PF England VAT No GB > 196351245 > > > _______________________________________________ > 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
