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131 lines
2.2 KiB
Plaintext
131 lines
2.2 KiB
Plaintext
/**
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* \ingroup networkanalysis
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* \class QgsGraphEdge
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* \brief This class implement a graph edge
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*/
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class QgsGraphArc
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{
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%TypeHeaderCode
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#include <qgsgraph.h>
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%End
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public:
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QgsGraphArc();
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/**
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* return property value
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* @param propertyIndex property index
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*/
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QVariant property(int propertyIndex ) const;
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/**
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* get array of proertyes
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*/
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QVector< QVariant > properties() const;
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/**
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* return index of outgoing vertex
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*/
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int outVertex() const;
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/**
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* return index of incoming vertex
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*/
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int inVertex() const;
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};
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typedef QList< int > QgsGraphArcIdList;
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/**
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* \ingroup networkanalysis
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* \class QgsGraphVertex
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* \brief This class implement a graph vertex
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*/
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class QgsGraphVertex
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{
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%TypeHeaderCode
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#include <qgsgraph.h>
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%End
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public:
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/**
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* default constructor. It need for QT's container, e.g. QVector
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*/
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QgsGraphVertex();
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/**
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* This constructor initializes QgsGraphVertex object and associates a vertex with a point
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*/
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QgsGraphVertex( const QgsPoint& point );
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/**
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* return outgoing edges
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*/
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QgsGraphArcIdList outArc() const;
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/**
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* return incoming edges
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*/
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QgsGraphArcIdList inArc() const;
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/**
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* return vertex point
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*/
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QgsPoint point() const;
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};
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/**
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* \ingroup networkanalysis
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* \class QgsGraph
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* \brief Mathematics graph representation
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*/
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class QgsGraph
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{
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%TypeHeaderCode
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#include <qgsgraph.h>
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%End
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public:
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QgsGraph();
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~QgsGraph();
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// begin graph constructing methods
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/**
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* add vertex to a grap
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*/
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int addVertex( const QgsPoint& pt );
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/**
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* add edge to a graph
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*/
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int addArc( int outVertexIdx, int inVertexIdx, const QVector< QVariant >& properties );
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/**
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* retrun vertex count
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*/
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int vertexCount() const;
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/**
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* return vertex at index
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*/
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const QgsGraphVertex& vertex( int idx ) const;
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/**
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* retrun edge count
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*/
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int arcCount() const;
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/**
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* retrun edge at index
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*/
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const QgsGraphArc& arc( int idx ) const;
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/**
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* find vertex by point
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* \return vertex index
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*/
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int findVertex( const QgsPoint& pt ) const;
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};
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