Quantum GIS API Documentation
1.8
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Determine interface for creating a graph. More...
#include <qgsgraphbuilderintr.h>
Public Member Functions | |
QgsGraphBuilderInterface (const QgsCoordinateReferenceSystem &crs, bool ctfEnabled=true, double topologyTolerance=0.0, const QString &ellipsoidID="WGS84") | |
QgsGraphBuilderInterface constructor. | |
virtual | ~QgsGraphBuilderInterface () |
Destructor. | |
QgsCoordinateReferenceSystem & | destinationCrs () |
get destinaltion Crs | |
bool | coordinateTransformationEnabled () |
get coordinate transformation enabled | |
double | topologyTolerance () |
get topology tolerance | |
QgsDistanceArea * | distanceArea () |
get measurement tool | |
virtual void | addVertex (int id, const QgsPoint &pt) |
add vertex | |
virtual void | addArc (int pt1id, const QgsPoint &pt1, int pt2id, const QgsPoint &pt2, const QVector< QVariant > &properties) |
add arc | |
Private Attributes | |
QgsCoordinateReferenceSystem | mCrs |
QgsDistanceArea | mDa |
bool | mCtfEnabled |
double | mTopologyTolerance |
Determine interface for creating a graph.
Contains the settings of the graph. QgsGraphBuilder and QgsGraphDirector is a Builder pattern
Definition at line 34 of file qgsgraphbuilderintr.h.
QgsGraphBuilderInterface::QgsGraphBuilderInterface | ( | const QgsCoordinateReferenceSystem & | crs, |
bool | ctfEnabled = true , |
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double | topologyTolerance = 0.0 , |
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const QString & | ellipsoidID = "WGS84" |
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) | [inline] |
QgsGraphBuilderInterface constructor.
crs | Coordinate reference system for new graph vertex |
ctfEnabled | enable coordinate transform from source graph CRS to CRS graph |
topologyTolerance | sqrt distance between source point as one graph vertex |
ellipsoidID | ellipsoid for edge measurement |
Definition at line 44 of file qgsgraphbuilderintr.h.
virtual QgsGraphBuilderInterface::~QgsGraphBuilderInterface | ( | ) | [inline, virtual] |
Destructor.
Definition at line 53 of file qgsgraphbuilderintr.h.
virtual void QgsGraphBuilderInterface::addArc | ( | int | pt1id, |
const QgsPoint & | pt1, | ||
int | pt2id, | ||
const QgsPoint & | pt2, | ||
const QVector< QVariant > & | properties | ||
) | [inline, virtual] |
add arc
pt1id | first vertex identificator |
pt1 | first vertex coordinate |
pt2id | second vertex identificator |
pt2 | second vertex coordinate |
properties | arc properties |
Reimplemented in QgsGraphBuilder.
Definition at line 101 of file qgsgraphbuilderintr.h.
Referenced by QgsLineVectorLayerDirector::makeGraph().
virtual void QgsGraphBuilderInterface::addVertex | ( | int | id, |
const QgsPoint & | pt | ||
) | [inline, virtual] |
add vertex
id | vertex identifier |
pt | vertex coordinate |
Reimplemented in QgsGraphBuilder.
Definition at line 86 of file qgsgraphbuilderintr.h.
Referenced by QgsLineVectorLayerDirector::makeGraph().
bool QgsGraphBuilderInterface::coordinateTransformationEnabled | ( | ) | [inline] |
get coordinate transformation enabled
Definition at line 63 of file qgsgraphbuilderintr.h.
Referenced by QgsLineVectorLayerDirector::makeGraph().
get destinaltion Crs
Definition at line 57 of file qgsgraphbuilderintr.h.
Referenced by QgsLineVectorLayerDirector::makeGraph().
QgsDistanceArea* QgsGraphBuilderInterface::distanceArea | ( | ) | [inline] |
get measurement tool
Definition at line 75 of file qgsgraphbuilderintr.h.
Referenced by QgsLineVectorLayerDirector::makeGraph().
double QgsGraphBuilderInterface::topologyTolerance | ( | ) | [inline] |
get topology tolerance
Definition at line 69 of file qgsgraphbuilderintr.h.
Referenced by QgsLineVectorLayerDirector::makeGraph().
Definition at line 111 of file qgsgraphbuilderintr.h.
bool QgsGraphBuilderInterface::mCtfEnabled [private] |
Definition at line 115 of file qgsgraphbuilderintr.h.
QgsDistanceArea QgsGraphBuilderInterface::mDa [private] |
Definition at line 113 of file qgsgraphbuilderintr.h.
double QgsGraphBuilderInterface::mTopologyTolerance [private] |
Definition at line 117 of file qgsgraphbuilderintr.h.