QGIS API Documentation 3.29.0-Master (ade4f0cf0f)
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
21class QgsRectangle;
22class QgsPointXY;
23class QgsFeedback;
24struct QgsMesh;
25
26#include "qgis_core.h"
27#include <QList>
28#include <QSharedDataPointer>
29#include "qgsmeshdataprovider.h"
30
31class QgsMeshSpatialIndexData;
32
49class CORE_EXPORT QgsMeshSpatialIndex
50{
51 public:
52
57
68 explicit QgsMeshSpatialIndex( const QgsMesh &mesh, QgsFeedback *feedback = nullptr, QgsMesh::ElementType elementType = QgsMesh::ElementType::Face );
69
72
75
77 QgsMeshSpatialIndex &operator=( const QgsMeshSpatialIndex &other );
78
85 QList<int> intersects( const QgsRectangle &rectangle ) const;
86
94 QList<int> nearestNeighbor( const QgsPointXY &point, int neighbors ) const;
95
101 QgsMesh::ElementType elementType() const;
102
106 void addFace( int faceIndex, const QgsMesh &mesh );
107
111 void removeFace( int faceIndex, const QgsMesh &mesh );
112
113
114 private:
115 QgsMesh::ElementType mElementType = QgsMesh::ElementType::Face;
116 QSharedDataPointer<QgsMeshSpatialIndexData> d;
117};
118
119#endif //QGSMESHSPATIALINDEX_H
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Definition: qgsfeedback.h:45
A spatial index for QgsMeshFace or QgsMeshEdge objects.
~QgsMeshSpatialIndex()
Destructor finalizes work with spatial index.
A class to represent a 2D point.
Definition: qgspointxy.h:59
A rectangle specified with double values.
Definition: qgsrectangle.h:42
Mesh - vertices, edges and faces.
ElementType
Defines type of mesh elements.