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

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 and Description
abstract void	GranuleCatalog.computeAggregateFunction(Query q, FeatureCalc function)
void	CachingDataStoreGranuleCatalog.computeAggregateFunction(Query q, FeatureCalc function)