org.geotools.feature.visitor
Class QuantileListVisitor
Object
QuantileListVisitor
- All Implemented Interfaces:
- FeatureCalc, FeatureVisitor
public class QuantileListVisitor
- extends Object
- implements FeatureCalc
Obtains the data needed for a Quantile operation (classification of features into classes of equal size).
The result contains an array of lists with the expression values in each.
- Author:
- Cory Horner, Refractions Research Inc.
Methods inherited from class Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
QuantileListVisitor
public QuantileListVisitor(Expression expr,
int bins)
init
public void init(SimpleFeatureCollection collection)
getResult
public CalcResult getResult()
- Description copied from interface:
FeatureCalc
- Returns the result of the calculation as a handy object which can be merged and modified.
- Specified by:
getResult
in interface FeatureCalc
- Returns:
- the results of the calculation
visit
public void visit(SimpleFeature feature)
visit
public void visit(Feature feature)
- Description copied from interface:
FeatureVisitor
- Visit the provided feature.
Please consult the documentation for the FeatureCollection you are visiting
to learn more - the provided feature may be invalid, or read only.
- Specified by:
visit
in interface FeatureVisitor
reset
public void reset(int bins)
getNaNCount
public int getNaNCount()
- Returns:
- the number of features which returned a NaN
getNullCount
public int getNullCount()
- Returns:
- the number of features which returned a null
Copyright © 1996-2014 Geotools. All Rights Reserved.