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>
#include "qgsmeshdataprovider.h"
 
class QgsMeshSpatialIndexData;

class CORE_EXPORT QgsMeshSpatialIndex
{
  public:

    QgsMeshSpatialIndex();

    explicit QgsMeshSpatialIndex( const QgsMesh &mesh, QgsFeedback *feedback = nullptr, QgsMesh::ElementType elementType = QgsMesh::ElementType::Face );
 
    QgsMeshSpatialIndex( const QgsMeshSpatialIndex &other );
    SIP_SKIP QgsMeshSpatialIndex( QgsMeshSpatialIndex &&other );

    ~QgsMeshSpatialIndex();
 
    QgsMeshSpatialIndex &operator=( const QgsMeshSpatialIndex &other );
    QgsMeshSpatialIndex &operator=( QgsMeshSpatialIndex &&other );

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

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

    QgsMesh::ElementType elementType() const;

    void addFace( int faceIndex, const QgsMesh &mesh );

    void removeFace( int faceIndex, const QgsMesh &mesh );
 
 
  private:
    QgsMesh::ElementType mElementType = QgsMesh::ElementType::Face;
    QSharedDataPointer<QgsMeshSpatialIndexData> d;
};
 
#endif //QGSMESHSPATIALINDEX_H