Nektar::Utilities::Composite Class Reference

A composite is a collection of elements. More...

#include <MeshElements.h>

Collaboration diagram for Nektar::Utilities::Composite:

Public Member Functions
	Composite ()
std::string	GetXmlString (bool doSort=true)
	Generate the list of IDs of elements within this composite.

Public Attributes
unsigned int	m_id
	ID of composite.
std::string	m_tag
	Element type tag.
bool	m_reorder
	Determines whether items can be reordered.
std::vector< ElementSharedPtr >	m_items
	List of elements in this composite.

Detailed Description

A composite is a collection of elements.

All elements should be of the same type, i.e. have the same tag.

Definition at line 1030 of file MeshElements.h.

Constructor & Destructor Documentation

Nektar::Utilities::Composite::Composite ( )

inline

Definition at line 1032 of file MeshElements.h.

: m_reorder(true) {}

Member Function Documentation

string Nektar::Utilities::Composite::GetXmlString

(

bool

doSort = true

)

Generate the list of IDs of elements within this composite.

Generate a Nektar++ string describing the composite.

The list of composites may include individual element IDs or ranges of element IDs.

Definition at line 330 of file MeshElements.cpp.

References Nektar::iterator, m_items, and m_tag.

        {

#if 0 // turn this option off since causes problem with InputNekpp.cpp 
            if (doSort)
            {
                element_id_less_than sortOperator;
                sort(m_items.begin(), m_items.end(), sortOperator);
            }
#endif

            stringstream st;
            vector<ElementSharedPtr>::iterator it;
            bool range = false;
            int vId = m_items[0]->GetId();
            int prevId = vId;

            st << " " << m_tag << "[" << vId;

            for (it = m_items.begin()+1; it != m_items.end(); ++it){
                // store previous element ID and get current one
                prevId = vId;
                vId = (*it)->GetId();

                // continue an already started range
                if (prevId > -1 && vId == prevId + 1)
                {
                    range = true;
                    // if this is the last element, it's the end of a range, so write
                    if (*it == m_items.back())
                    {
                        st << "-" << vId;
                    }
                    continue;
                }

                // terminate a range, if present
                if (range)
                {
                    st << "-" << prevId;
                    range = false;
                }

                // write what will be either a single entry or start of new range
                st << "," << vId;
            }
            // terminate
            st << "] ";
            return st.str();
        }

Member Data Documentation

unsigned int Nektar::Utilities::Composite::m_id

ID of composite.

Definition at line 1038 of file MeshElements.h.

std::vector<ElementSharedPtr> Nektar::Utilities::Composite::m_items

List of elements in this composite.

Definition at line 1044 of file MeshElements.h.

Referenced by GetXmlString().

bool Nektar::Utilities::Composite::m_reorder

Determines whether items can be reordered.

Definition at line 1042 of file MeshElements.h.

std::string Nektar::Utilities::Composite::m_tag

Element type tag.

Definition at line 1040 of file MeshElements.h.

Referenced by GetXmlString().