Uses of Interface
org.geotools.feature.visitor.FeatureCalc

Packages that use FeatureCalc

Package	Description
org.geotools.coverage.io.catalog
org.geotools.feature.visitor
org.geotools.filter.function
org.geotools.gce.imagemosaic.catalog

Uses of FeatureCalc in org.geotools.coverage.io.catalog

Methods in org.geotools.coverage.io.catalog with parameters of type FeatureCalc

Modifier and Type	Method	Description
void	CoverageSlicesCatalog.computeAggregateFunction(Query query, FeatureCalc function)
void	CoverageSlicesCatalog.WrappedCoverageSlicesCatalog.computeAggregateFunction(Query query, FeatureCalc function)

Uses of FeatureCalc in org.geotools.feature.visitor

Classes in org.geotools.feature.visitor that implement FeatureCalc

Modifier and Type	Class	Description
class	AverageVisitor	Calculates the Average
class	BoundsVisitor	Calculates the extents (envelope) of the features it visits.
class	CountVisitor	Determines the number of features in the collection
class	EqualAreaListVisitor	Obtains the data needed for a Equal Area operation (classification of features into classes each roughly having the same area).
class	GroupByVisitor	Group features by one or several attributes and applies an aggregator visitor to each group.
class	MaxVisitor	Calculates the maximum value of an attribute.
class	MedianVisitor	Calculates the median of an attribute in all features of a collection
class	MinVisitor	Calculates the minimum value of an attribute.
class	NearestVisitor	Finds the nearest value to the provided one in the attribute domain.
class	QuantileListVisitor	Obtains the data needed for a Quantile operation (classification of features into classes of equal size).
class	StandardDeviationVisitor	Determines the standard deviation.
class	SumAreaVisitor	Calculates the Sum of Areas for geometric fields
class	SumVisitor	Calculates the Sum of an attribute (of a FeatureVisitor)
class	UniqueCountVisitor	Determines the number of unique features in the collection on the basis of the specified feature attribute.
class	UniqueVisitor	Generates a list of unique values from a collection

Methods in org.geotools.feature.visitor that return FeatureCalc

Modifier and Type	Method	Description
abstract FeatureCalc	Aggregate.create(Expression expression)	Factory method creating a visitor using an aggregate attribute.

Methods in org.geotools.feature.visitor with parameters of type FeatureCalc

Modifier and Type	Method	Description
static Object	CollectionUtil.calc(SimpleFeatureCollection collection, FeatureCalc calculator)

Uses of FeatureCalc in org.geotools.filter.function

Methods in org.geotools.filter.function that return FeatureCalc

Modifier and Type	Method	Description
protected abstract FeatureCalc	AbstractQuantityClassificationFunction.getListVisitor()	Returns the list visitor for the specific implementation of "quantity" (e.g., count, area, ...).
protected FeatureCalc	EqualAreaFunction.getListVisitor()

Uses of FeatureCalc in org.geotools.gce.imagemosaic.catalog

Methods in org.geotools.gce.imagemosaic.catalog with parameters of type FeatureCalc

Modifier and Type	Method	Description
abstract void	GranuleCatalog.computeAggregateFunction(Query q, FeatureCalc function)
void	LockingGranuleCatalog.computeAggregateFunction(Query q, FeatureCalc function)