Classifier (Geotools modules 30-SNAPSHOT API)

Object
- Classifier

Direct Known Subclasses:

ExplicitClassifier, RangedClassifier
```
public abstract class Classifier
extends Object
```
The data structure returned by classification functions. We can take this object, tweak it, and then pass it to a ClassifyFunction.

Author:

Cory Horner, Refractions Research

Constructor Summary

Constructors
Constructor Description

Classifier()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract int`	`classify(Object value)`	Returns the slot this value belongs in.
`int`	`classify(Expression expr, Object feature)`	Returns the slot containing the passed expression's value.
`double[]`	`getPercentages()`
`abstract int`	`getSize()`
`String`	`getTitle(int slot)`
`String[]`	`getTitles()`
`void`	`setPercentages(double[] percentages)`
`void`	`setTitle(int slot, String title)`
`void`	`setTitles(String... titles)`

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- Classifier
```
public Classifier()
```

Method Detail

getTitles
```
public String[] getTitles()
```

setTitles

public void setTitles(String... titles)

setTitle

public void setTitle(int slot,
                     String title)

getTitle
```
public String getTitle(int slot)
```

classify

public int classify(Expression expr,
                    Object feature)

Returns the slot containing the passed expression's value.

classify
```
public abstract int classify(Object value)
```
Returns the slot this value belongs in.

Returns:

index, starting from zero

getSize
```
public abstract int getSize()
```
Returns:

the number of bins

getPercentages
```
public double[] getPercentages()
```
Returns:

percentages for each class

setPercentages
```
public void setPercentages(double[] percentages)
```
Parameters:

percentages - a double array with percentages for each class