Quantum GIS API Documentation
1.8
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Determine making the graph from vector line layer. More...
#include <qgslinevectorlayerdirector.h>
Public Member Functions | |
QgsLineVectorLayerDirector (QgsVectorLayer *vl, int directionFieldId, const QString &directDirectionValue, const QString &reverseDirectionValue, const QString &bothDirectionValue, int defaultDirection) | |
virtual | ~QgsLineVectorLayerDirector () |
Destructor. | |
void | makeGraph (QgsGraphBuilderInterface *builder, const QVector< QgsPoint > &additionalPoints, QVector< QgsPoint > &tiedPoints) const |
Make a graph using RgGraphBuilder. | |
QString | name () const |
return Director name | |
Private Attributes | |
QgsVectorLayer * | mVectorLayer |
int | mDirectionFieldId |
QString | mDirectDirectionValue |
QString | mReverseDirectionValue |
QString | mBothDirectionValue |
int | mDefaultDirection |
Determine making the graph from vector line layer.
Definition at line 34 of file qgslinevectorlayerdirector.h.
QgsLineVectorLayerDirector::QgsLineVectorLayerDirector | ( | QgsVectorLayer * | vl, |
int | directionFieldId, | ||
const QString & | directDirectionValue, | ||
const QString & | reverseDirectionValue, | ||
const QString & | bothDirectionValue, | ||
int | defaultDirection | ||
) |
vl | source vector layer |
directionFieldId | feield contain road direction value |
directDirectionValue | value for one-way road |
reverseDirectionValue | value for reverse one-way road |
bothDirectionValue | value for road |
defaultDirection | 1 - direct direction, 2 - reverse direction, 3 - both direction |
Definition at line 102 of file qgslinevectorlayerdirector.cpp.
References mBothDirectionValue, mDefaultDirection, mDirectDirectionValue, mDirectionFieldId, mReverseDirectionValue, and mVectorLayer.
QgsLineVectorLayerDirector::~QgsLineVectorLayerDirector | ( | ) | [virtual] |
Destructor.
Definition at line 118 of file qgslinevectorlayerdirector.cpp.
void QgsLineVectorLayerDirector::makeGraph | ( | QgsGraphBuilderInterface * | builder, |
const QVector< QgsPoint > & | additionalPoints, | ||
QVector< QgsPoint > & | tiedPoints | ||
) | const [virtual] |
Make a graph using RgGraphBuilder.
builder | The graph builder |
additionalPoints | Vector of points that must be tied to the graph |
tiedPoints | Vector of tied points |
Reimplemented from QgsGraphDirector.
Definition at line 128 of file qgslinevectorlayerdirector.cpp.
References QgsGraphBuilderInterface::addArc(), QgsGraphBuilderInterface::addVertex(), QgsGeometry::asMultiPolyline(), QgsGeometry::asPolyline(), QgsFeature::attributeMap(), QgsGraphDirector::buildProgress(), QgsGraphBuilderInterface::coordinateTransformationEnabled(), QgsMapLayer::crs(), QgsGraphBuilderInterface::destinationCrs(), QgsGraphBuilderInterface::distanceArea(), QgsVectorLayer::featureCount(), QgsFeature::geometry(), mBothDirectionValue, mDefaultDirection, mDirectDirectionValue, mDirectionFieldId, QgsDistanceArea::measureLine(), TiePointInfo::mFirstPoint, TiePointInfo::mLastPoint, TiePointInfo::mLength, QgsGraphDirector::mProperterList, mReverseDirectionValue, TiePointInfo::mTiedPoint, mVectorLayer, my_binary_search(), QgsVectorLayer::nextFeature(), QgsVectorLayer::select(), QgsCoordinateTransform::setDestCRS(), QgsCoordinateTransform::setSourceCrs(), QgsPoint::sqrDist(), TiePointInfoCompare(), QgsGraphBuilderInterface::topologyTolerance(), QgsCoordinateTransform::transform(), QGis::WKBLineString, QGis::WKBMultiLineString, QgsGeometry::wkbType(), QgsPoint::x(), and QgsPoint::y().
QString QgsLineVectorLayerDirector::name | ( | ) | const [virtual] |
return Director name
Implements QgsGraphDirector.
Definition at line 123 of file qgslinevectorlayerdirector.cpp.
QString QgsLineVectorLayerDirector::mBothDirectionValue [private] |
Definition at line 76 of file qgslinevectorlayerdirector.h.
Referenced by makeGraph(), and QgsLineVectorLayerDirector().
int QgsLineVectorLayerDirector::mDefaultDirection [private] |
Definition at line 79 of file qgslinevectorlayerdirector.h.
Referenced by makeGraph(), and QgsLineVectorLayerDirector().
QString QgsLineVectorLayerDirector::mDirectDirectionValue [private] |
Definition at line 72 of file qgslinevectorlayerdirector.h.
Referenced by makeGraph(), and QgsLineVectorLayerDirector().
int QgsLineVectorLayerDirector::mDirectionFieldId [private] |
Definition at line 70 of file qgslinevectorlayerdirector.h.
Referenced by makeGraph(), and QgsLineVectorLayerDirector().
QString QgsLineVectorLayerDirector::mReverseDirectionValue [private] |
Definition at line 74 of file qgslinevectorlayerdirector.h.
Referenced by makeGraph(), and QgsLineVectorLayerDirector().
Definition at line 68 of file qgslinevectorlayerdirector.h.
Referenced by makeGraph(), and QgsLineVectorLayerDirector().