QGIS API Documentation 3.27.0-Master (75dc696944)
qgsgraphbuilderinterface.cpp
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1/***************************************************************************
2 qgsgraphbuilderinterface.cpp
3 --------------------------------------
4 Date : 2018-10-08
5 Copyright : (C) 2018 Denis Rouzaud
7****************************************************************************
8* *
9* This program is free software; you can redistribute it and/or modify *
10* it under the terms of the GNU General Public License as published by *
11* the Free Software Foundation; either version 2 of the License, or *
12* (at your option) any later version. *
13* *
14***************************************************************************/
15
17
18#include "qgsproject.h"
19
21 double topologyTolerance, const QString &ellipsoidID )
22 : mCrs( crs )
23 , mCtfEnabled( ctfEnabled )
24 , mTopologyTolerance( topologyTolerance )
25{
26 mDa.setSourceCrs( mCrs, QgsProject::instance()->transformContext() );
27 mDa.setEllipsoid( ellipsoidID );
28}
29
31{
32 Q_UNUSED( id )
33 Q_UNUSED( pt )
34}
35
37 int pt2id, const QgsPointXY &pt2,
38 const QVector<QVariant> &strategies )
39{
40 Q_UNUSED( pt1id )
41 Q_UNUSED( pt1 )
42 Q_UNUSED( pt2id )
43 Q_UNUSED( pt2 )
44 Q_UNUSED( strategies )
45}
This class represents a coordinate reference system (CRS).
void setSourceCrs(const QgsCoordinateReferenceSystem &crs, const QgsCoordinateTransformContext &context)
Sets source spatial reference system crs.
bool setEllipsoid(const QString &ellipsoid)
Sets the ellipsoid by its acronym.
virtual void addVertex(int id, const QgsPointXY &pt)
Add vertex to the graph.
QgsGraphBuilderInterface(const QgsCoordinateReferenceSystem &crs, bool ctfEnabled=true, double topologyTolerance=0.0, const QString &ellipsoidID="WGS84")
Default constructor.
virtual void addEdge(int pt1id, const QgsPointXY &pt1, int pt2id, const QgsPointXY &pt2, const QVector< QVariant > &strategies)
Add edge to the graph.
A class to represent a 2D point.
Definition: qgspointxy.h:59
static QgsProject * instance()
Returns the QgsProject singleton instance.
Definition: qgsproject.cpp:478
const QgsCoordinateReferenceSystem & crs