/usr/include/qgis/qgsgraphbuilderintr.h is in libqgis-dev 2.0.1-2build2.
This file is owned by root:root, with mode 0o644.
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qgsgraphbuilder.h
--------------------------------------
Date : 2010-10-22
Copyright : (C) 2010 by Yakushev Sergey
Email : YakushevS <at> list.ru
****************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSGRAPHBUILDERINTERFACE
#define QGSGRAPHBUILDERINTERFACE
//QT4 includes
#include <QVector>
#include <QVariant>
//QGIS includes
#include <qgspoint.h>
#include <qgscoordinatereferencesystem.h>
#include <qgsdistancearea.h>
//forward declarations
/**
* \ingroup networkanalysis
* \class QgsGraphBuilderInterface
* \brief Determine interface for creating a graph. Contains the settings of the graph. QgsGraphBuilder and QgsGraphDirector is a Builder pattern
*/
class ANALYSIS_EXPORT QgsGraphBuilderInterface
{
public:
/**
* QgsGraphBuilderInterface constructor
* @param crs Coordinate reference system for new graph vertex
* @param ctfEnabled enable coordinate transform from source graph CRS to CRS graph
* @param topologyTolerance sqrt distance between source point as one graph vertex
* @param ellipsoidID ellipsoid for edge measurement
*/
QgsGraphBuilderInterface( const QgsCoordinateReferenceSystem& crs, bool ctfEnabled = true, double topologyTolerance = 0.0, const QString& ellipsoidID = "WGS84" ) :
mCrs( crs ), mCtfEnabled( ctfEnabled ), mTopologyTolerance( topologyTolerance )
{
mDa.setSourceCrs( mCrs.srsid() );
mDa.setEllipsoid( ellipsoidID );
mDa.setEllipsoidalMode( ctfEnabled );
}
//! Destructor
virtual ~QgsGraphBuilderInterface()
{ }
//! get destinaltion Crs
QgsCoordinateReferenceSystem& destinationCrs()
{
return mCrs;
}
//! get coordinate transformation enabled
bool coordinateTransformationEnabled()
{
return mCtfEnabled;
}
//! get topology tolerance
double topologyTolerance()
{
return mTopologyTolerance;
}
//! get measurement tool
QgsDistanceArea* distanceArea()
{
return &mDa;
}
/**
* add vertex
* @param id vertex identifier
* @param pt vertex coordinate
* @note id and pt are redundant. You can use pt or id to identify the vertex
*/
virtual void addVertex( int id, const QgsPoint &pt )
{
Q_UNUSED( id );
Q_UNUSED( pt );
}
/**
* add arc
* @param pt1id first vertex identificator
* @param pt1 first vertex coordinate
* @param pt2id second vertex identificator
* @param pt2 second vertex coordinate
* @param properties arc properties
* @note pt1id, pt1 and pt2id, pt2 is a redundant interface. You can use vertex coordinates or their identificators.
*/
virtual void addArc( int pt1id, const QgsPoint& pt1, int pt2id, const QgsPoint& pt2, const QVector< QVariant >& properties )
{
Q_UNUSED( pt1id );
Q_UNUSED( pt1 );
Q_UNUSED( pt2id );
Q_UNUSED( pt2 );
Q_UNUSED( properties );
}
private:
QgsCoordinateReferenceSystem mCrs;
QgsDistanceArea mDa;
bool mCtfEnabled;
double mTopologyTolerance;
};
#endif //QGSGRAPHBUILDERINTERFACE
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