Nektar::SpatialDomains::Domain Class Reference

#include <Domain.h>

Public Member Functions
	Domain (MeshGraph *meshGraph)
virtual	~Domain ()
void	Read (std::string &infilename)
void	Read (TiXmlDocument &doc)
void	Write (std::string &outfilename)
CompositeVector	GetDomain (void) const
BoundaryVector	GetBoundaries (void) const
void	SetFileName (const std::string &inString)

Protected Attributes
MeshGraph *	m_meshGraph
CompositeVector	m_domain
BoundaryVector	m_boundaries

Private Member Functions
	Domain ()

Detailed Description

Definition at line 74 of file Domain.h.

Constructor & Destructor Documentation

Domain() [1/2]

Nektar::SpatialDomains::Domain::Domain

(

MeshGraph *

meshGraph

)

Definition at line 50 of file Domain.cpp.

                                   : m_meshGraph(meshGraph)
{
}

~Domain()

Nektar::SpatialDomains::Domain::~Domain ( )

virtual

Definition at line 54 of file Domain.cpp.

{
}

Domain() [2/2]

Nektar::SpatialDomains::Domain::Domain ( )

inlineprivate

Definition at line 107 of file Domain.h.

    {
        NEKERROR(ErrorUtil::efatal,
                 "Must provide a meshgraph to create a Domain.");
    }; // Don't call this.

References Nektar::ErrorUtil::efatal, and NEKERROR.

Member Function Documentation

GetBoundaries()

BoundaryVector Nektar::SpatialDomains::Domain::GetBoundaries ( void  ) const

inline

Definition at line 90 of file Domain.h.

    {
        return m_Boundaries;
    };

GetDomain()

CompositeVector Nektar::SpatialDomains::Domain::GetDomain ( void  ) const

inline

Definition at line 86 of file Domain.h.

    {
        return m_Domain;
    };

Read() [1/2]

void Nektar::SpatialDomains::Domain::Read

(

std::string &

infilename

)

Definition at line 58 of file Domain.cpp.

{
    SetFileName(infilename);
    TiXmlDocument doc(infilename);
    bool loadOkay = doc.LoadFile();
 
    ASSERTL0(loadOkay,
             (std::string("Unable to load file: ") + infilename).c_str());
 
    Read(doc);
}

References ASSERTL0, and SetFileName().

Read() [2/2]

void Nektar::SpatialDomains::Domain::Read

(

TiXmlDocument &

doc

)

Definition at line 71 of file Domain.cpp.

{
    TiXmlElement *master =
        NULL; // Master tag within which all data is contained.
    TiXmlElement *domain   = NULL;
    TiXmlElement *boundary = NULL;
 
    master = doc.FirstChildElement("NEKTAR");
    ASSERTL0(master, "Unable to find NEKTAR tag in file");
 
    domain = master->FirstChildElement("DOMAIN");
 
    ASSERTL0(domain, "Unable to find DOMAIN tag in file.");
 
    TiXmlNode *node = domain->FirstChild();
    std::string components(node->ValueStr());
    std::istringstream domainStrm(components);
    std::string entry;
 
    // May have multiple composites defined.
    if (domainStrm)
    {
        domainStrm >> entry;
 
        if (entry.length())
        {
            ASSERTL0(
                entry[0] == 'C',
                "Only composites are allowed in a definition of a domain.");
 
            // Determine the index associated with the C.  Allow range syntax.
 
            std::string::size_type indxBeg = entry.find_first_of('[') + 1;
            std::string::size_type indxEnd = entry.find_last_of(']') - 1;
 
            ASSERTL0(indxBeg <= indxEnd,
                     (std::string("Error reading DOMAIN definition:") + entry)
                         .c_str());
 
            std::string indxStr = entry.substr(indxBeg, indxEnd - indxBeg + 1);
 
            std::istringstream indexStrm(indxStr);
            int indx1 = -1, indx2 = -1;
            if (indexStrm)
            {
                // Should read either [a] where a is a nonnegative integer, or
                // [a-b] where a and b are nonnegative integers, b>a.
                // Easiest way to know is if a '-' is present we have the latter
                // case.
 
                indexStrm >> indx1;
                ASSERTL0(
                    indx1 >= 0,
                    (std::string("Error reading collection range: ") + indxStr)
                        .c_str());
                indx2 = indx1;
 
                std::string::size_type dashLoc = indxStr.find('-');
                if (dashLoc != std::string::npos)
                {
                    // Skip up to and including the '-' character, then read
                    // the other index.  We are safe in doing this because we
                    // already know it is there...somewhere.
                    indexStrm.seekg(dashLoc + 1);
                    indexStrm >> indx2;
 
                    ASSERTL0(indx1 < indx2 && indx2 >= 0,
                             (std::string("Error reading collection range: ") +
                              indxStr)
                                 .c_str());
                }
 
                for (int i = indx1; i <= indx2; ++i)
                {
                    Composite composite = m_meshGraph->GetComposite(i);
                    m_domain.push_back(composite);
                }
            }
        }
    }
 
    boundary = master->FirstChildElement("BOUNDARY");
    ASSERTL0(boundary, "Unable to find BOUNDARY tag in file.");
 
    TiXmlElement *bc = boundary->FirstChildElement();
 
    // Boundary will have type and composite list.
    while (bc)
    {
        std::string bcType(bc->ValueStr());
 
        TiXmlNode *node = bc->FirstChild();
        std::string components(node->ValueStr());
        std::istringstream boundaryStrm(components);
        std::string entry;
 
        // Index of the tag letter into the type enum.
        const char *beginName = BoundaryTypeNameMap;
        // std::find needs the end to be one past the last element.
        const char *endName =
            BoundaryTypeNameMap + eBoundaryTypeLastElement + 1;
        const char *indx = std::find(beginName, endName, bcType[0]);
 
        // Not found if the index (ptr) is past the last element.
        ASSERTL0(indx != endName,
                 (std::string("Unable to read boundary type tag: ") + bcType)
                     .c_str());
 
        BoundarySharedPtr boundary(new BoundaryEntry);
        boundary->m_BoundaryType = BoundaryType(indx - BoundaryTypeNameMap);
        m_boundaries.push_back(boundary);
 
        // May have multiple composites defined.
        if (boundaryStrm)
        {
            domainStrm >> entry;
 
            if (entry.length())
            {
                ASSERTL0(entry[0] == 'C',
                         "Only composites are allowed in a definition of a "
                         "boundary condition.");
 
                // Determine the index associated with the C.  Allow range
                // syntax.
 
                std::string::size_type indxBeg = entry.find_first_of('[') + 1;
                std::string::size_type indxEnd = entry.find_last_of(']') - 1;
 
                ASSERTL0(
                    indxBeg <= indxEnd,
                    (std::string("Error reading BOUNDARY definition:") + entry)
                        .c_str());
 
                // Read between the brackets.
                std::string indxStr =
                    entry.substr(indxBeg, indxEnd - indxBeg + 1);
 
                std::istringstream indexStrm(indxStr);
                int indx1 = -1, indx2 = -1;
                if (indexStrm)
                {
                    // Should read either [a] where a is a nonnegative integer,
                    // or [a-b] where a and b are nonnegative integers, b>a.
                    // Easiest way to know is if a '-' is present we have the
                    // latter case.
 
                    indexStrm >> indx1;
                    ASSERTL0(indx1 >= 0,
                             (std::string("Error reading collection range: ") +
                              indxStr)
                                 .c_str());
 
                    std::string::size_type dashLoc = indxStr.find('-');
                    if (dashLoc != std::string::npos)
                    {
                        // Skip up to and including the '-' character, then read
                        // the other index.  We are safe in doing this because
                        // we already know it is there...somewhere.
                        while (indexStrm.get() != '-')
                            ;
                        indexStrm >> indx2;
 
                        ASSERTL0(
                            indx1 < indx2 && indx2 >= 0,
                            (std::string("Error reading collection range: ") +
                             indxStr)
                                .c_str());
                    }
 
                    for (int i = indx1; i <= indx2; ++i)
                    {
                        Composite composite = m_meshGraph->GetComposite(i);
                        boundary->m_BoundaryComposites.push_back(composite);
                    }
                }
            }
        }
 
        bc = bc->NextSiblingElement();
    }
}

References ASSERTL0, Nektar::SpatialDomains::BoundaryTypeNameMap, Nektar::SpatialDomains::eBoundaryTypeLastElement, Nektar::StdRegions::find(), Nektar::SpatialDomains::MeshGraph::GetComposite(), m_boundaries, m_domain, and m_meshGraph.

SetFileName()

void Nektar::SpatialDomains::Domain::SetFileName ( const std::string &  inString )

inline

Definition at line 95 of file Domain.h.

    {
        m_FileName = inString;
    };

Referenced by Read().

Write()

void Nektar::SpatialDomains::Domain::Write

(

std::string &

outfilename

)

Definition at line 254 of file Domain.cpp.

{
}

Member Data Documentation

m_boundaries

BoundaryVector Nektar::SpatialDomains::Domain::m_boundaries

protected

Definition at line 104 of file Domain.h.

Referenced by Read().

m_domain

CompositeVector Nektar::SpatialDomains::Domain::m_domain

protected

Definition at line 103 of file Domain.h.

Referenced by Read().

m_meshGraph

MeshGraph* Nektar::SpatialDomains::Domain::m_meshGraph

protected

Definition at line 102 of file Domain.h.

Referenced by Read().