Nektar::Utilities::OutputVtk Class Reference

Converter for Gmsh files. More...

#include <OutputVtk.h>

Inheritance diagram for Nektar::Utilities::OutputVtk:

Public Member Functions
	OutputVtk (NekMeshUtils::MeshSharedPtr m)
virtual	~OutputVtk ()
virtual void	Process ()
	Write mesh to output file. More...
Public Member Functions inherited from Nektar::NekMeshUtils::OutputModule
NEKMESHUTILS_EXPORT	OutputModule (MeshSharedPtr p_m)
NEKMESHUTILS_EXPORT void	OpenStream ()
	Open a file for output. More...
Public Member Functions inherited from Nektar::NekMeshUtils::Module
NEKMESHUTILS_EXPORT	Module (MeshSharedPtr p_m)
NEKMESHUTILS_EXPORT void	RegisterConfig (std::string key, std::string value=std::string())
	Register a configuration option with a module. More...
NEKMESHUTILS_EXPORT void	PrintConfig ()
	Print out all configuration options for a module. More...
NEKMESHUTILS_EXPORT void	SetDefaults ()
	Sets default configuration options for those which have not been set. More...
NEKMESHUTILS_EXPORT MeshSharedPtr	GetMesh ()
virtual NEKMESHUTILS_EXPORT void	ProcessVertices ()
	Extract element vertices. More...
virtual NEKMESHUTILS_EXPORT void	ProcessEdges (bool ReprocessEdges=true)
	Extract element edges. More...
virtual NEKMESHUTILS_EXPORT void	ProcessFaces (bool ReprocessFaces=true)
	Extract element faces. More...
virtual NEKMESHUTILS_EXPORT void	ProcessElements ()
	Generate element IDs. More...
virtual NEKMESHUTILS_EXPORT void	ProcessComposites ()
	Generate composites. More...
virtual NEKMESHUTILS_EXPORT void	ClearElementLinks ()

Static Public Member Functions
static std::shared_ptr< Module >	create (NekMeshUtils::MeshSharedPtr m)
	Creates an instance of this class. More...

Static Public Attributes
static NekMeshUtils::ModuleKey	className

Additional Inherited Members
Protected Member Functions inherited from Nektar::NekMeshUtils::Module
NEKMESHUTILS_EXPORT void	ReorderPrisms (PerMap &perFaces)
	Reorder node IDs so that prisms and tetrahedra are aligned correctly. More...
NEKMESHUTILS_EXPORT void	PrismLines (int prism, PerMap &perFaces, std::set< int > &prismsDone, std::vector< ElementSharedPtr > &line)
Protected Attributes inherited from Nektar::NekMeshUtils::OutputModule
io::filtering_ostream	m_mshFile
	Output stream. More...
std::ofstream	m_mshFileStream
	Input stream. More...
Protected Attributes inherited from Nektar::NekMeshUtils::Module
MeshSharedPtr	m_mesh
	Mesh object. More...
std::map< std::string, ConfigOption >	m_config
	List of configuration values. More...

Detailed Description

Converter for Gmsh files.

Definition at line 46 of file utilities/NekMesh/OutputModules/OutputVtk.h.

Constructor & Destructor Documentation

OutputVtk()

Nektar::Utilities::OutputVtk::OutputVtk

(

NekMeshUtils::MeshSharedPtr

m

)

Definition at line 56 of file utilities/NekMesh/OutputModules/OutputVtk.cpp.

                                    : OutputModule(m)
{
}

~OutputVtk()

Nektar::Utilities::OutputVtk::~OutputVtk ( )

virtual

Definition at line 60 of file utilities/NekMesh/OutputModules/OutputVtk.cpp.

{
}

Member Function Documentation

create()

static std::shared_ptr<Module> Nektar::Utilities::OutputVtk::create ( NekMeshUtils::MeshSharedPtr  m )

inlinestatic

Creates an instance of this class.

Definition at line 50 of file utilities/NekMesh/OutputModules/OutputVtk.h.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr().

    {
        return MemoryManager<OutputVtk>::AllocateSharedPtr(m);
    }

Process()

void Nektar::Utilities::OutputVtk::Process ( )

virtual

Write mesh to output file.

Implements Nektar::NekMeshUtils::Module.

Definition at line 64 of file utilities/NekMesh/OutputModules/OutputVtk.cpp.

References Nektar::NekMeshUtils::Module::m_config, Nektar::NekMeshUtils::Module::m_mesh, and CellMLToNektar.cellml_metadata::p.

{
    if (m_mesh->m_verbose)
    {
        cout << "OutputVtk: Writing file..." << endl;
    }

    vtkPolyData *vtkMesh   = vtkPolyData::New();
    vtkPoints *vtkPoints   = vtkPoints::New();
    vtkCellArray *vtkPolys = vtkCellArray::New();

    std::set<NodeSharedPtr> tmp(m_mesh->m_vertexSet.begin(),
                                m_mesh->m_vertexSet.end());

    for (auto &n : tmp)
    {
        vtkPoints->InsertPoint(n->m_id, n->m_x, n->m_y, n->m_z);
    }

    vtkIdType p[8];
    vector<ElementSharedPtr> &elmt = m_mesh->m_element[m_mesh->m_expDim];
    for (int i = 0; i < elmt.size(); ++i)
    {
        int vertexCount = elmt[i]->GetVertexCount();
        for (int j = 0; j < vertexCount; ++j)
        {
            p[j] = elmt[i]->GetVertex(j)->m_id;
        }
        vtkPolys->InsertNextCell(vertexCount, &p[0]);
    }

    vtkMesh->SetPoints(vtkPoints);
    vtkMesh->SetPolys(vtkPolys);

    // Write out the new mesh
    vtkPolyDataWriter *vtkMeshWriter = vtkPolyDataWriter::New();
    vtkMeshWriter->SetFileName(m_config["outfile"].as<string>().c_str());
#if VTK_MAJOR_VERSION <= 5
    vtkMeshWriter->SetInput(vtkMesh);
#else
    vtkMeshWriter->SetInputData(vtkMesh);
#endif
    vtkMeshWriter->Update();
}

Member Data Documentation

className

ModuleKey Nektar::Utilities::OutputVtk::className

static

Initial value:

= GetModuleFactory().RegisterCreatorFunction(
    ModuleKey(eOutputModule, "vtk"), OutputVtk::create, "Writes a VTK file.")

Definition at line 54 of file utilities/NekMesh/OutputModules/OutputVtk.h.