YESSSSSSSSS! Alright fixed the problem. This might help other folks having the same problem:
http://public.kitware.com/pipermail/paraview/2007-October/006066.html Since I know what big pain this is, email me if you needed assistance getting your code working :D On Thu, May 17, 2012 at 4:13 PM, Mohammad Mirzadeh <[email protected]>wrote: > Thanks David. I have thoroughly looked through that file format document > but with no luck. It the mean time, I have tried the xml format and while > my ascii writer (both in legacy and xml versions) work, I'm hopeless when > it comes to the binary version. > > It seems that (for xml binary) pv is confused (well, actually I'm also!). > What exactly should the offset values be? Initially I thought they are > simply the size of the DataArray you are writing, but then I loaded my > ascii version and saved it as a binary file. Comparing the two, it seems pv > adds another variable of sizeof(int). What exactly is this? I cannot find > any hint in the file-format document or anywhere online! > > I can send my code again if someone is willing to take a look. > > Thanks > > > On Thu, May 17, 2012 at 8:20 AM, David E DeMarle <[email protected] > > wrote: > >> Something is wrong with this binary file. Paraview opens up other >> binary files just fine, but 3.8 and newer versions of paraview don't >> open up this one. >> >> ParaView appears to failing near vtkDataSetSurfaceFilter.cxx:1097 >> where it is trying to process the cells. >> >> Try these to diagnose the specific problem: >> * take a closer look at http://www.vtk.org/VTK/img/file-formats.pdf >> * load this in a simple vtk program that loads and then renders the >> data under a debugger >> * change your writer to convert this binary file to the corresponding >> ascii version. >> >> David E DeMarle >> Kitware, Inc. >> R&D Engineer >> 21 Corporate Drive >> Clifton Park, NY 12065-8662 >> Phone: 518-881-4909 >> >> >> On Wed, May 16, 2012 at 2:49 PM, Mohammad Mirzadeh <[email protected]> >> wrote: >> > If it helps, here's the source code and attached is a sample binary >> file: >> > >> > void QuadTree::writeBinaryVTK(string file_name, vtk_data_format format){ >> > >> > >> > CaslInt num_of_nodes, num_of_cells, num_of_leaf_cells; >> > >> > CaslInt node_of_cell[4]; >> > >> > const QuadCell *cell = this -> get_cells(); >> > >> > const QuadNode *node = this -> get_nodes(); >> > >> > double x, y, z; >> > >> > >> > CaslInt i_max, j_max; >> > >> > CaslInt i_min, j_min; >> > >> > >> > >> > >> > num_of_cells = this -> number_of_cells(); >> > >> > num_of_nodes = this -> number_of_nodes(); >> > >> > >> > ofstream binWriter(file_name.c_str(), ios::binary); >> > >> > >> > binWriter << "# vtk DataFile Version 2.0 \n"; >> > >> > binWriter << "Quadtree Mesh \n"; >> > >> > binWriter << "BINARY \n"; >> > >> > binWriter << "DATASET UNSTRUCTURED_GRID \n"; >> > >> > binWriter << "POINTS " << number_of_nodes() << " double \n"; >> > >> > >> > for (CaslInt n=0; n<num_of_nodes; n++){ >> > >> > x = this -> x_fr_i(node[n].i); >> > >> > y = this -> y_fr_j(node[n].j); >> > >> > z = 0.0; >> > >> > >> > binWriter.write((char*)&x, sizeof(double)); >> > >> > binWriter.write((char*)&y, sizeof(double)); >> > >> > binWriter.write((char*)&z, sizeof(double)); >> > >> > } >> > >> > >> > num_of_leaf_cells = 0; >> > >> > for (CaslInt n=0; n<num_of_cells; n++){ >> > >> > if ( cell[n].is_leaf() ) num_of_leaf_cells++; >> > >> > } >> > >> > binWriter << "\n"; >> > >> > binWriter << "CELLS " << num_of_leaf_cells << " " << >> 5*num_of_leaf_cells >> > << "\n"; >> > >> > >> > for (CaslInt n=0; n<num_of_cells; n++){ >> > >> > if ( cell[n].is_leaf() ){ >> > >> > i_min = cell[n].imin; >> > >> > j_min = cell[n].jmin; >> > >> > i_max = cell[n].imax(); >> > >> > j_max = cell[n].jmax(); >> > >> > >> > >> > node_of_cell[0] = this -> >> get_node_by_coordinates(i_min,j_min); >> > >> > node_of_cell[1] = this -> >> get_node_by_coordinates(i_max,j_min); >> > >> > node_of_cell[2] = this -> >> get_node_by_coordinates(i_max,j_max); >> > >> > node_of_cell[3] = this -> >> get_node_by_coordinates(i_min,j_max); >> > >> > >> > int num_of_childs = 4; >> > >> > binWriter.write((char*)&num_of_childs, sizeof(int)); >> > >> > binWriter.write((char*)&node_of_cell[0], sizeof(int)*4); >> > >> > } >> > >> > } >> > >> > binWriter << "\n"; >> > >> > binWriter << "CELL_TYPES " << num_of_leaf_cells << "\n"; >> > >> > >> > int cell_type = 9; >> > >> > for (CaslInt n=0; n<num_of_leaf_cells; n++) >> > binWriter.write((char*)&cell_type, sizeof(int)); >> > >> > >> > binWriter << "\n"; >> > >> > >> > switch (format){ >> > >> > case POINT_DATA:{ >> > >> > binWriter << "POINT_DATA " << num_of_nodes << "\n"; >> > >> > break; >> > >> > } >> > >> > >> > case CELL_DATA:{ >> > >> > binWriter << "CELL_DATA " << num_of_cells << "\n"; >> > >> > break; >> > >> > } >> > >> > >> > } >> > >> > binWriter.close(); >> > >> > } >> > >> > void QuadTree::writeBinaryVTK(ArrayV<double> &F, string data_name, >> string >> > file_name){ >> > >> > >> > ofstream binWriter(file_name.c_str(), ios::app | ios::binary); >> > >> > >> > binWriter << "SCALARS " << data_name << " double \n"; >> > >> > binWriter << "LOOKUP_TABLE default \n"; >> > >> > >> > double *pF = (double*)F; >> > >> > binWriter.write((char*)pF, sizeof(double)*F.size()); >> > >> > >> > binWriter.close(); >> > >> > } >> > >> > >> > >> > >> > On Tue, May 15, 2012 at 2:25 PM, Mohammad Mirzadeh <[email protected]> >> > wrote: >> >> >> >> Hi guys, >> >> >> >> I have a problem getting pv open my binary file. It basically segfaults >> >> and terminates without any information. When I run in gdb I get: >> >> >> >> ERROR: In /build/buildd/paraview-3.8.1/VTK/IO/vtkDataReader.cxx, line >> 1910 >> >> vtkUnstructuredGridReader (0x19f6890): Unsupported data type: 1 >> >> >> >> Program received signal SIGBUS, Bus error. >> >> 0x00007fffeaeb6597 in >> >> vtkDataSetSurfaceFilter::UnstructuredGridExecute(vtkDataSet*, >> vtkPolyData*) >> >> () >> >> from /usr/lib/paraview/libvtkGraphics.so.pv3.8 >> >> >> >> Program terminated with signal SIGBUS, Bus error. >> >> >> >> Is there something wrong with my data file? I could send a sample file >> if >> >> needed. I basically followed >> http://www.vtk.org/VTK/img/file-formats.pdf to >> >> write the binary format. >> >> >> > >> > >> > _______________________________________________ >> > 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 >> > >> > >
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