org.geotools.brewer.color

Class ColorBrewer

Object

ColorBrewer

public class ColorBrewer
extends Object

Contains ColorBrewer palettes and suitability data.

Author:

James Macgill, Cory Horner, Refractions Research Inc.

Field Summary

Fields

Modifier and Type	Field and Description
static PaletteType	ALL
static PaletteType	DIVERGING
static PaletteType	QUALITATIVE
static PaletteType	SEQUENTIAL
static PaletteType	SUITABLE_RANGED
static PaletteType	SUITABLE_UNIQUE

Constructor Summary

Constructors

Constructor and Description
ColorBrewer() Creates a new instance of ColorBrewer

Method Summary

Modifier and Type	Method and Description
String	getDescription()
String	getName()
BrewerPalette	getPalette(String name)
String[]	getPaletteNames() Generates a String array with the names of the palettes in the ColorBrewer instance.
String[]	getPaletteNames(int minClasses, int maxClasses) Generates an array of palette names for palettes which have at least x classes and at most y classes.
BrewerPalette[]	getPalettes()
BrewerPalette[]	getPalettes(PaletteType type)
BrewerPalette[]	getPalettes(PaletteType type, int numClasses)
BrewerPalette[]	getPalettes(PaletteType type, int numClasses, int requiredViewers)
boolean	hasPalette(String paletteName) Returns true if the palette exists in this ColorBrewer
static ColorBrewer	instance() Creates a static instance of ColorBrewer containing all default palettes
static ColorBrewer	instance(PaletteType type) Creates a static instance of ColorBrewer containing a subset of the default palettes.
boolean	isSet(int singleValue, int multipleValue)
void	loadPalettes() Loads the default ColorBrewer palettes.
void	loadPalettes(InputStream XMLinput, PaletteType type) Loads into the ColorBrewer instance the set of palettes matching the given parameters.
void	loadPalettes(PaletteType type) Loads into the ColorBrewer instance the set of palettes which have the PaletteType matching that of the parameter.
void	registerPalette(BrewerPalette pal)
void	reset()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ALL

public static final PaletteType ALL

SUITABLE_RANGED

public static final PaletteType SUITABLE_RANGED

SUITABLE_UNIQUE

public static final PaletteType SUITABLE_UNIQUE

SEQUENTIAL

public static final PaletteType SEQUENTIAL

DIVERGING

public static final PaletteType DIVERGING

QUALITATIVE

public static final PaletteType QUALITATIVE

Constructor Detail

ColorBrewer

public ColorBrewer()

Creates a new instance of ColorBrewer

Method Detail

instance

public static ColorBrewer instance()

Creates a static instance of ColorBrewer containing all default palettes

Returns:

The ColorBrewer instance with all the default palettes.

Throws:

IOException

instance

public static ColorBrewer instance(PaletteType type)
                            throws IOException

Creates a static instance of ColorBrewer containing a subset of the default palettes.

Parameters:

type - A PaletteType object which will be used to configure the returned ColorBrewer.

Returns:

The ColorBrewer instance with the palette from the parameter.

Throws:

IOException

registerPalette

public void registerPalette(BrewerPalette pal)

hasPalette

public boolean hasPalette(String paletteName)

Returns true if the palette exists in this ColorBrewer

Parameters:

paletteName - A String with the name of the palette

Returns:

A boolean, true if the ColorBrewer has a palette of the name given.

getPalettes

public BrewerPalette[] getPalettes()

getPalettes

public BrewerPalette[] getPalettes(PaletteType type)

getPalettes

public BrewerPalette[] getPalettes(PaletteType type,
                                   int numClasses)

getPalettes

public BrewerPalette[] getPalettes(PaletteType type,
                                   int numClasses,
                                   int requiredViewers)

getPaletteNames

public String[] getPaletteNames()

Generates a String array with the names of the palettes in the ColorBrewer instance.

Returns:

A String array with the names of the palettes in the ColorBrewer instance.

getPaletteNames

public String[] getPaletteNames(int minClasses,
                                int maxClasses)

Generates an array of palette names for palettes which have at least x classes and at most y classes.

Parameters:

minClasses - x

maxClasses - y

Returns:

A string array of palette names filtered by number of classes.

getPalette

public BrewerPalette getPalette(String name)

loadPalettes

public void loadPalettes()

Loads the default ColorBrewer palettes.

Throws:

IOException

loadPalettes

public void loadPalettes(PaletteType type)

Loads into the ColorBrewer instance the set of palettes which have the PaletteType matching that of the parameter.

Parameters:

type - The PaletteType for the palettes to load.

Throws:

IOException

loadPalettes

public void loadPalettes(InputStream XMLinput,
                         PaletteType type)

Loads into the ColorBrewer instance the set of palettes matching the given parameters.

Parameters:

XMLinput -

type - identifier for palettes. use "new PaletteType();"

getName

public String getName()

getDescription

public String getDescription()

reset

public void reset()

isSet

public boolean isSet(int singleValue,
                     int multipleValue)