Hi Andy, Thanks - I am just trying to get my build working with the new VTK 6 library system and if it works I'll post the updated code. Cheers, Paul
_____ From: Andy Bauer [mailto:[email protected]] Sent: Thursday, 26 July 2012 12:35 AM To: Paul McIntosh Cc: [email protected] Subject: Re: [Paraview] Large vtr files not read - The data array in the element may be too short Hi, If you're using VTK master to create your VTR files you can use the SetHeaderTypeToUInt64() method to write out these large data sets. ParaView master will be able to read them in properly. Unfortunately though this has been fixed since the 3.14.1 release so it won't work there. We're working on fixing this limitation properly for the next ParaView release. Andy On Wed, Jul 25, 2012 at 3:47 AM, Paul McIntosh <[email protected]> wrote: Hi All, How does one go about writing large rectilinear data files (vtr) that are suitable for reading by ParaView? I have been trying using VTK and found that there is a size limit(?). Googling showed that there was a bug in 2005 that should have been fixed but I am still getting an error when I go above a certain size (even with 3.14 64bit precompiled). I have adapted a VTK example and reproduced the problem - below is the error message followed by the code. "size = 1000" works, "size = 1200" produced the error message, "size = 2000" ParaView just segfaults. Do I have to change it to use parallel writers? Cheers, Paul --- www.internetscooter.com ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLStructure dDataReader.cxx, line 325 vtkXMLRectilinearGridReader (0x1b2b54b0): Error reading extent 0 1199 0 1199 0 1199 from piece 0 ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLDataReade r.cxx, line 510 vtkXMLRectilinearGridReader (0x1b2b54b0): Cannot read point data array "Da" from PointData in piece 0. The data array in the element may be too short. ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLStructure dDataReader.cxx, line 325 vtkXMLRectilinearGridReader (0x1b2b54b0): Error reading extent 0 1199 0 1199 0 1199 from piece 0 ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLDataReade r.cxx, line 510 vtkXMLRectilinearGridReader (0x1b2b54b0): Cannot read point data array "Da" from PointData in piece 0. The data array in the element may be too short. ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLStructure dDataReader.cxx, line 325 vtkXMLRectilinearGridReader (0x1b2b54b0): Error reading extent 0 1199 0 1199 0 1199 from piece 0 ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLDataReade r.cxx, line 510 vtkXMLRectilinearGridReader (0x1b2b54b0): Cannot read point data array "Da" from PointData in piece 0. The data array in the element may be too short. ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLStructure dDataReader.cxx, line 325 vtkXMLRectilinearGridReader (0x1b2b54b0): Error reading extent 0 1199 0 1199 0 1199 from piece 0 ERROR: In /usr/local/src/PARAVIEW/3.14.0/ParaView-3.14.0-Source/VTK/IO/vtkXMLDataReade r.cxx, line 510 vtkXMLRectilinearGridReader (0x1b2b54b0): Cannot read point data array "Da" from PointData in piece 0. The data array in the element may be too short. // Qt (used for other code - not relevant here) #include <QCoreApplication> #include <QtEndian> #include <QDebug> #include <QStringList> // C++ #include <list> #include <iostream> #include <fstream> using namespace std; // VTK #include <vtkVersion.h> #include <vtkSmartPointer.h> #include <vtkDoubleArray.h> #include <vtkFloatArray.h> #include <vtkPointData.h> #include <vtkCellData.h> #include <vtkStructuredGrid.h> #include <vtkRectilinearGrid.h> #include <vtkXMLRectilinearGridWriter.h> #include <vtkDataSetMapper.h> #include <vtkXMLStructuredGridWriter.h> #include <vtkXMLRectilinearGridReader.h> #include <vtkSmartPointer.h> #include <vtkProperty.h> #include <vtkDataSetMapper.h> #include <vtkXMLRectilinearGridReader.h> #include <vtkRectilinearGridGeometryFilter.h> #include <vtkRenderWindow.h> #include <vtkRenderWindowInteractor.h> #include <vtkRenderer.h> #include <vtkDataSetMapper.h> #include <vtkActor.h> #include <vtkRenderWindow.h> #include <vtkRenderer.h> #include <vtkRenderWindowInteractor.h> int main(int, char *[]) { long int size = 1200; // Create a grid vtkSmartPointer<vtkRectilinearGrid> grid = vtkSmartPointer<vtkRectilinearGrid>::New(); grid->SetDimensions(size,size,size); vtkSmartPointer<vtkDoubleArray> xArray = vtkSmartPointer<vtkDoubleArray>::New(); xArray->SetNumberOfComponents(1); vtkSmartPointer<vtkDoubleArray> yArray = vtkSmartPointer<vtkDoubleArray>::New(); yArray->SetNumberOfComponents(1); vtkSmartPointer<vtkDoubleArray> zArray = vtkSmartPointer<vtkDoubleArray>::New(); zArray->SetNumberOfComponents(1); // Container for data vtkSmartPointer<vtkFloatArray> DaArray = vtkSmartPointer<vtkFloatArray>::New(); DaArray->SetNumberOfComponents(1); DaArray->SetName("Da"); for (long int i = 0; i < size; i++) { xArray->InsertNextValue(i); yArray->InsertNextValue(i); zArray->InsertNextValue(i); } grid->SetXCoordinates(xArray); grid->SetYCoordinates(yArray); grid->SetZCoordinates(zArray); for (long int i = 0; i < size*size*size; i++) { DaArray->InsertNextValue(i); } grid->GetPointData()->SetScalars(DaArray); std::cout << "There are " << grid->GetNumberOfPoints() << " points." << std::endl; std::cout << "There are " << grid->GetNumberOfCells() << " cells." << std::endl; vtkSmartPointer<vtkXMLRectilinearGridWriter> writer = vtkSmartPointer<vtkXMLRectilinearGridWriter>::New(); //writer->SetFileName("rectilineargrid.vtr"); writer->SetFileName("test.vtr"); writer->SetInputConnection(grid->GetProducerPort()); cout << "Writing " << "test.vtr" << "..." << endl; writer->Write(); cout << "Wrote!" << endl; // Create a mapper and actor vtkSmartPointer<vtkDataSetMapper> mapper = vtkSmartPointer<vtkDataSetMapper>::New(); mapper->SetInputConnection(grid->GetProducerPort()); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper(mapper); // Visualize vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); renderWindowInteractor->SetRenderWindow(renderWindow); renderer->AddActor(actor); renderer->SetBackground(.3, .6, .3); // Background color green renderWindow->Render(); renderWindowInteractor->Start(); return EXIT_SUCCESS; } _______________________________________________ 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
