QGIS API Documentation  3.6.0-Noosa (5873452)
qgsmeshspatialindex.h
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1 /***************************************************************************
2  qgsmeshspatialindex.h
3  ---------------------
4  begin : January 2019
5  copyright : (C) 2019 by Peter Petrik
6  email : zilolv at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSMESHSPATIALINDEX_H
17 #define QGSMESHSPATIALINDEX_H
18 
19 #include "qgis_sip.h"
20 
21 class QgsRectangle;
22 class QgsPointXY;
23 class QgsFeedback;
24 struct QgsMesh;
25 
26 #include "qgis_core.h"
27 #include <QList>
28 #include <QSharedDataPointer>
29 
30 class QgsMeshSpatialIndexData;
31 
48 class CORE_EXPORT QgsMeshSpatialIndex
49 {
50  public:
51 
56 
64  explicit QgsMeshSpatialIndex( const QgsMesh &triangularMesh, QgsFeedback *feedback = nullptr );
65 
68 
71 
73  QgsMeshSpatialIndex &operator=( const QgsMeshSpatialIndex &other );
74 
81  QList<int> intersects( const QgsRectangle &rectangle ) const;
82 
90  QList<int> nearestNeighbor( const QgsPointXY &point, int neighbors ) const;
91 
92  private:
93  QSharedDataPointer<QgsMeshSpatialIndexData> d;
94 };
95 
96 #endif //QGSMESHSPATIALINDEX_H
A rectangle specified with double values.
Definition: qgsrectangle.h:41
A class to represent a 2D point.
Definition: qgspointxy.h:43
Base class for feedback objects to be used for cancelation of something running in a worker thread...
Definition: qgsfeedback.h:44
A spatial index for QgsMeshFace objects.
Mesh - vertices and faces.