16#ifndef QGSCLASSIFICATIONFIXEDINTERVAL_H
17#define QGSCLASSIFICATIONFIXEDINTERVAL_H
33 std::unique_ptr< QgsClassificationMethod >
clone()
const override;
34 QString
name()
const override;
35 QString
id()
const override;
36 QIcon
icon()
const override;
40 QList<double> calculateBreaks(
double &minimum,
double &maximum,
const QList<double> &values,
int nclasses, QString &error )
override;
Implementation of a fixed interval classification.
QgsClassificationMethod is an abstract class for implementations of classification methods.
virtual QString id() const =0
The id of the method as saved in the project, must be unique in registry.
virtual std::unique_ptr< QgsClassificationMethod > clone() const =0
Returns a clone of the method.
virtual bool valuesRequired() const
Returns if the method requires values to calculate the classes If not, bounds are sufficient.
virtual QString name() const =0
The readable and translate name of the method.
virtual QIcon icon() const
The icon of the method.