/usr/include/qgis/qgsarcproperter.h is in libqgis-dev 2.0.1-2build2.
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qgsedgeproperter.h
--------------------------------------
Date : 2011-04-01
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 QGSEDGEPROPERTERH
#define QGSEDGEPROPERTERH
// QT4 includes
#include <QVariant>
// QGIS includes
#include <qgsfeature.h>
#include <qgslabel.h>
/**
* \ingroup networkanalysis
* \class QgsEdgeProperter
* \brief QgsEdgeProperter is a strategy pattern.
* You can use it for customize arc property. For example look at QgsDistanceArcProperter or src/plugins/roadgraph/speedproperter.h
*/
class ANALYSIS_EXPORT QgsArcProperter
{
public:
/**
* default constructor
*/
QgsArcProperter()
{ }
/**
* QgsGraphDirector call this method for fetching attribute from source layer
* \return required attributes list
*/
virtual QgsAttributeList requiredAttributes() const
{ return QgsAttributeList(); }
/**
* calculate and return adge property
*/
virtual QVariant property( double distance, const QgsFeature &f ) const
{
Q_UNUSED( distance );
Q_UNUSED( f );
return QVariant();
}
};
#endif //QGSEDGEPROPERTYH
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