mirror of
https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
/***************************************************************************
|
|
qgslinevectorlayerdirector.h
|
|
--------------------------------------
|
|
Date : 2010-10-20
|
|
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 QGSLINEVECTORLAYERDIRECTOR_H
|
|
#define QGSLINEVECTORLAYERDIRECTOR_H
|
|
|
|
#include "qgsgraphdirector.h"
|
|
|
|
class QgsGraphBuilderInterface;
|
|
class QgsVectorLayer;
|
|
|
|
/**
|
|
* \ingroup analysis
|
|
* \class QgsLineVectorLayerDirector
|
|
* \brief Determine making the graph from vector line layer
|
|
*/
|
|
class ANALYSIS_EXPORT QgsLineVectorLayerDirector : public QgsGraphDirector
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
|
|
/** Road direction
|
|
* Road can be one-way with direct flow (one can move only from the start
|
|
* point to the end point), one-way with reversed flow (one can move only
|
|
* from the end point to the start point) and bidirectional or two-way
|
|
* (one can move in any direction)
|
|
*/
|
|
enum Direction
|
|
{
|
|
DirectionForward, //!< One-way direct
|
|
DirectionBackward, //!< One-way reversed
|
|
DirectionBoth, //!< Two-way
|
|
};
|
|
|
|
/**
|
|
* Default constructor
|
|
* @param myLayer source vector layer
|
|
* @param directionFieldId field contain road direction value
|
|
* @param directDirectionValue value for direct one-way road
|
|
* @param reverseDirectionValue value for reversed one-way road
|
|
* @param bothDirectionValue value for two-way (bidirectional) road
|
|
* @param defaultDirection default road direction. Will be used if corresponding
|
|
* attribute value is not set or does not equal to the given values
|
|
*/
|
|
QgsLineVectorLayerDirector( QgsVectorLayer* myLayer,
|
|
int directionFieldId,
|
|
const QString& directDirectionValue,
|
|
const QString& reverseDirectionValue,
|
|
const QString& bothDirectionValue,
|
|
const Direction defaultDirection
|
|
);
|
|
|
|
//! Destructor
|
|
virtual ~QgsLineVectorLayerDirector();
|
|
|
|
/*
|
|
* MANDATORY DIRECTOR PROPERTY DECLARATION
|
|
*/
|
|
void makeGraph( QgsGraphBuilderInterface *builder,
|
|
const QVector< QgsPoint >& additionalPoints,
|
|
QVector< QgsPoint>& snappedPoints ) const override;
|
|
|
|
QString name() const override;
|
|
|
|
private:
|
|
QgsVectorLayer *mVectorLayer;
|
|
int mDirectionFieldId;
|
|
QString mDirectDirectionValue;
|
|
QString mReverseDirectionValue;
|
|
QString mBothDirectionValue;
|
|
Direction mDefaultDirection;
|
|
};
|
|
|
|
#endif // QGSLINEVECTORLAYERDIRECTOR_H
|