16#ifndef QGSCLASSIFICATIONEQUALINTERVAL_H 
   17#define QGSCLASSIFICATIONEQUALINTERVAL_H 
   32    QString 
name() 
const override;
 
   33    QString 
id() 
const override;
 
   34    std::unique_ptr< QgsClassificationMethod > 
clone() 
const override;
 
   35    QIcon 
icon() 
const override;
 
   42    QList<double> calculateBreaks( 
double &minimum, 
double &maximum,
 
   43                                   const QList<double> &values, 
int nclasses, QString &error ) 
override;
 
 
A classification method which uses equal width intervals.
 
static const QString METHOD_ID
 
bool valuesRequired() const override
Returns if the method requires values to calculate the classes If not, bounds are sufficient.
 
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 QString name() const =0
The readable and translate name of the method.
 
virtual QIcon icon() const
The icon of the method.