| QGIS API Documentation
    3.16.0-Hannover (43b64b13f3)
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   16 #ifndef QGSCLASSIFICATIONEQUALINTERVAL_H 
   17 #define QGSCLASSIFICATIONEQUALINTERVAL_H 
   19 #include "qgis_core.h" 
   33     QString 
name() 
const override;
 
   34     QString 
id() 
const override;
 
   36     QIcon 
icon() 
const override;
 
   43     QList<double> calculateBreaks( 
double &minimum, 
double &maximum,
 
   44                                    const QList<double> &values, 
int nclasses ) 
override;
 
   48 #endif // QGSCLASSIFICATIONEQUALINTERVAL_H 
  
QgsClassificationMethod is an abstract class for implementations of classification methods.
bool valuesRequired() const override
Returns if the method requires values to calculate the classes If not, bounds are sufficient.
virtual QIcon icon() const
The icon of the method.
QgsClassificationEqualInterval is an implementation of QgsClassificationMethod for equal intervals.
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.
static const QString METHOD_ID
virtual QString name() const =0
The readable and translate name of the method.