QGIS API Documentation  2.6.0-Brighton
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QgsLineVectorLayerDirector Class Reference

Determine making the graph from vector line layer. More...

#include <qgslinevectorlayerdirector.h>

Inheritance diagram for QgsLineVectorLayerDirector:
Inheritance graph

Public Member Functions

 QgsLineVectorLayerDirector (QgsVectorLayer *myLayer, int directionFieldId, const QString &directDirectionValue, const QString &reverseDirectionValue, const QString &bothDirectionValue, int defaultDirection)
virtual ~QgsLineVectorLayerDirector ()
void makeGraph (QgsGraphBuilderInterface *builder, const QVector< QgsPoint > &additionalPoints, QVector< QgsPoint > &tiedPoints) const
 Make a graph using RgGraphBuilder.
QString name () const
 return Director name
- Public Member Functions inherited from QgsGraphDirector
virtual ~QgsGraphDirector ()
void addProperter (QgsArcProperter *prop)

Additional Inherited Members

- Signals inherited from QgsGraphDirector
void buildProgress (int, int) const
void buildMessage (QString) const
- Protected Attributes inherited from QgsGraphDirector
QList< QgsArcProperter * > mProperterList

Detailed Description

Determine making the graph from vector line layer.

Constructor & Destructor Documentation

QgsLineVectorLayerDirector::QgsLineVectorLayerDirector ( QgsVectorLayer myLayer,
int  directionFieldId,
const QString &  directDirectionValue,
const QString &  reverseDirectionValue,
const QString &  bothDirectionValue,
int  defaultDirection 
myLayersource vector layer
directionFieldIdfeield contain road direction value
directDirectionValuevalue for one-way road
reverseDirectionValuevalue for reverse one-way road
bothDirectionValuevalue for road
defaultDirection1 - direct direction, 2 - reverse direction, 3 - both direction
QgsLineVectorLayerDirector::~QgsLineVectorLayerDirector ( )


Member Function Documentation

void QgsLineVectorLayerDirector::makeGraph ( QgsGraphBuilderInterface builder,
const QVector< QgsPoint > &  additionalPoints,
QVector< QgsPoint > &  tiedPoints 
) const

Make a graph using RgGraphBuilder.

builderThe graph builder
additionalPointsVector of points that must be tied to the graph
tiedPointsVector of tied points
if tiedPoints[i]==QgsPoint(0.0,0.0) then tied failed.

Reimplemented from QgsGraphDirector.

QString QgsLineVectorLayerDirector::name ( ) const

return Director name

Implements QgsGraphDirector.

The documentation for this class was generated from the following files: