16#ifndef QGSCLASSIFICATIONFIXEDINTERVAL_H
17#define QGSCLASSIFICATIONFIXEDINTERVAL_H
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 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 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.