qgsmeshspatialindex.h

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/***************************************************************************
    qgsmeshspatialindex.h
    ---------------------
    begin                : January 2019
    copyright            : (C) 2019 by Peter Petrik
    email                : zilolv at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   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 QGSMESHSPATIALINDEX_H
#define QGSMESHSPATIALINDEX_H

#include "qgis_sip.h"

class QgsRectangle;
class QgsPointXY;
class QgsFeedback;
struct QgsMesh;

#include "qgis_core.h"
#include <QList>
#include <QSharedDataPointer>

class QgsMeshSpatialIndexData;

class CORE_EXPORT QgsMeshSpatialIndex
{
  public:

    QgsMeshSpatialIndex();

    explicit QgsMeshSpatialIndex( const QgsMesh &triangularMesh, QgsFeedback *feedback = nullptr );

    QgsMeshSpatialIndex( const QgsMeshSpatialIndex &other );

    ~QgsMeshSpatialIndex();

    QgsMeshSpatialIndex &operator=( const QgsMeshSpatialIndex &other );

    QList<int> intersects( const QgsRectangle &rectangle ) const;

    QList<int> nearestNeighbor( const QgsPointXY &point, int neighbors ) const;

  private:
    QSharedDataPointer<QgsMeshSpatialIndexData> d;
};

#endif //QGSMESHSPATIALINDEX_H