Package org.geotools.feature.visitor

Interface Summary

CalcResult	Encapsulates the results from a FeatureCalc, and includes methods for obtaining and merging results.
FeatureCalc	A visitor which performs a calculation on a FeatureCollection.

Class Summary

AbstractCalcResult	An abstract implementation for CalcResults.
AverageVisitor	Calculates the Average
AverageVisitor.AverageResult
BoundsVisitor	Calculates the extents (envelope) of the features it visits.
BoundsVisitor.BoundsResult
CalcUtil
CollectionUtil	DOCUMENT ME!
CountVisitor	Determines the number of features in the collection
CountVisitor.CountResult
IdCollectorFilterVisitor	Gather up all FeatureId strings into a provided HashSet.
IdFinderFilterVisitor	Quick check to see if an ID filter is found.
MaxVisitor	Calculates the maximum value of an attribute.
MaxVisitor.MaxResult
MedianVisitor	Calculates the median of an attribute in all features of a collection
MedianVisitor.MedianResult
MinVisitor	Calculates the minimum value of an attribute.
MinVisitor.MinResult
QuantileListVisitor	Obtains the data needed for a Quantile operation (classification of features into classes of equal size).
StandardDeviationVisitor	Determines the standard deviation.
SumVisitor	Calculates the Sum of an attribute (of a FeatureVisitor)
SumVisitor.SumResult
UniqueVisitor	Generates a list of unique values from a collection
UniqueVisitor.UniqueResult