16 #ifndef QGSCLASSIFICATIONLOGARITHMIC_H 17 #define QGSCLASSIFICATIONLOGARITHMIC_H 45 QString
name()
const override;
46 QString
id()
const override;
47 QIcon
icon()
const override;
52 QList<double> calculateBreaks(
double &minimum,
double &maximum,
const QList<double> &values,
int nclasses )
override;
53 QString valueToLabel(
double value )
const override;
58 #endif // QGSCLASSIFICATIONLOGARITHMIC_H virtual QString labelForRange(double lowerValue, double upperValue, ClassPosition position=Inner) const
Returns the label for a range.
virtual QIcon icon() const
The icon of the method.
NegativeValueHandling
Handling of negative and 0 values in the method.
Negative values are discarded - this will require all values.
virtual bool valuesRequired() const
Returns if the method requires values to calculate the classes If not, bounds are sufficient...
virtual QString id() const =0
The id of the method as saved in the project, must be unique in registry.
virtual QgsClassificationMethod * clone() const =0
Returns a clone of the method.
ClassPosition
Defines the class position.
QgsClassificationMethod is an abstract class for implementations of classification methods...
virtual QString name() const =0
The readable and translate name of the method.
Implementation of a logarithmic scale method.