QGIS API Documentation 3.27.0-Master (75dc696944)
qgsclassificationjenks.h
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1/***************************************************************************
2 qgsclassificationjenks.h
3 ---------------------
4 begin : September 2019
5 copyright : (C) 2019 by Denis Rouzaud
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 QGSCLASSIFICATIONJENKS_H
17#define QGSCLASSIFICATIONJENKS_H
18
19#include "qgis_core.h"
21
29{
30 public:
32
33 QString name() const override;
34 QString id() const override;
35 QgsClassificationMethod *clone() const override;
36 QIcon icon() const override;
37
38 private:
39 QList<double> calculateBreaks( double &minimum, double &maximum,
40 const QList<double> &values, int nclasses ) override;
41
42 int mMaximumSize = 3000;
43};
44
45#endif // QGSCLASSIFICATIONJENKS_H
QgsClassificationJenks is an implementation of QgsClassificationMethod for natural breaks based on Je...
QgsClassificationMethod is an abstract class for implementations of classification methods.
virtual QgsClassificationMethod * clone() const =0
Returns a clone of the method.
virtual QString id() const =0
The id of the method as saved in the project, must be unique in registry.
virtual QString name() const =0
The readable and translate name of the method.
virtual QIcon icon() const
The icon of the method.