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56 lines
1.8 KiB
Plaintext
56 lines
1.8 KiB
Plaintext
/**
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* \ingroup analysis
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* \class QgsVectorLayerDirector
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* \brief Determine making the graph from vector line layer
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*/
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class QgsVectorLayerDirector : QgsGraphDirector
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{
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%TypeHeaderCode
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#include <qgsvectorlayerdirector.h>
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%End
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public:
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/** Edge direction
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* Edge can be one-way with direct flow (one can move only from the start
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* point to the end point), one-way with reversed flow (one can move only
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* from the end point to the start point) and bidirectional or two-way
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* (one can move in any direction)
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*/
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enum Direction
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{
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DirectionForward, //!< One-way direct
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DirectionBackward, //!< One-way reversed
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DirectionBoth, //!< Two-way
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};
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/**
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* @param myLayer source vector layer
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* @param directionFieldId feield contain road direction value
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* @param directDirectionValue value for one-way road
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* @param reverseDirectionValue value for reverse one-way road
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* @param bothDirectionValue value for road
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* @param defaultDirection default direction. Will be used if corresponding
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* attribute value is not set or does not equal to the given values
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*/
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QgsVectorLayerDirector( QgsVectorLayer* myLayer,
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int directionFieldId,
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const QString& directDirectionValue,
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const QString& reverseDirectionValue,
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const QString& bothDirectionValue,
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const Direction defaultDirection
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);
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//! Destructor
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virtual ~QgsVectorLayerDirector();
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/*
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* MANDATORY DIRECTOR PROPERTY DECLARATION
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*/
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void makeGraph( QgsGraphBuilderInterface *builder,
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const QVector< QgsPoint >& additionalPoints,
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QVector< QgsPoint>& snappedPoints /Out/ ) const;
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QString name() const;
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};
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