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132 lines
3.4 KiB
Plaintext
132 lines
3.4 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgstracer.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsTracer : QObject
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{
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%Docstring
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Utility class that construct a planar graph from the input vector
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layers and provides shortest path search for tracing of existing
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features.
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.. versionadded:: 2.14
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%End
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%TypeHeaderCode
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#include "qgstracer.h"
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%End
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public:
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QgsTracer();
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~QgsTracer();
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QList<QgsVectorLayer *> layers() const;
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%Docstring
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Get layers used for tracing
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:rtype: list of QgsVectorLayer
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%End
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void setLayers( const QList<QgsVectorLayer *> &layers );
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%Docstring
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Set layers used for tracing
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%End
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QgsCoordinateReferenceSystem destinationCrs() const;
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%Docstring
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Get CRS used for tracing
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:rtype: QgsCoordinateReferenceSystem
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%End
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void setDestinationCrs( const QgsCoordinateReferenceSystem &crs );
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%Docstring
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Set CRS used for tracing
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%End
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QgsRectangle extent() const;
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%Docstring
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Get extent to which graph's features will be limited (empty extent means no limit)
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:rtype: QgsRectangle
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%End
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void setExtent( const QgsRectangle &extent );
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%Docstring
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Set extent to which graph's features will be limited (empty extent means no limit)
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%End
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int maxFeatureCount() const;
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%Docstring
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Get maximum possible number of features in graph. If the number is exceeded, graph is not created.
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:rtype: int
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%End
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void setMaxFeatureCount( int count );
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%Docstring
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Get maximum possible number of features in graph. If the number is exceeded, graph is not created.
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%End
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bool init();
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%Docstring
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if necessary.
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:rtype: bool
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%End
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bool isInitialized() const;
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%Docstring
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Whether the internal data structures have been initialized
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:rtype: bool
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%End
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bool hasTopologyProblem() const;
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%Docstring
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.. versionadded:: 2.16
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:rtype: bool
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%End
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enum PathError
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{
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ErrNone,
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ErrTooManyFeatures,
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ErrPoint1,
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ErrPoint2,
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ErrNoPath,
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};
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QVector<QgsPoint> findShortestPath( const QgsPoint &p1, const QgsPoint &p2, PathError *error /Out/ = 0 );
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%Docstring
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:return: array of points - trace of linestrings of other features (empty array one error)
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:rtype: list of QgsPoint
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%End
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bool isPointSnapped( const QgsPoint &pt );
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%Docstring
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Find out whether the point is snapped to a vertex or edge (i.e. it can be used for tracing start/stop)
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:rtype: bool
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%End
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protected:
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virtual void configure();
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%Docstring
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Default implementation does nothing.
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%End
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protected slots:
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void invalidateGraph();
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%Docstring
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Destroy the existing graph structure if any (de-initialize)
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%End
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgstracer.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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