smile.plot.swing

Class Hexmap

java.lang.Object

smile.plot.swing.Shape

smile.plot.swing.Plot

smile.plot.swing.Hexmap

public class Hexmap
extends Plot

Hexmap is a variant of heat map by replacing rectangle cells with hexagon cells.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Hexmap.Tooltip The lambda interface to retrieve the tooltip of cell.

Constructor Summary

Constructors

Constructor and Description
Hexmap(double[][] z, java.awt.Color[] palette, Hexmap.Tooltip tooltip) Constructor.

Method Summary

Modifier and Type	Method and Description
Canvas	canvas() Returns a canvas of the plot.
double[]	getLowerBound() Returns the lower bound of data.
double[]	getUpperBound() Returns the upper bound of data.
static Hexmap	of(double[][] z) Creates a hexmap with 16-color jet color palette.
static Hexmap	of(double[][] z, java.awt.Color[] palette) Constructor.
static Hexmap	of(double[][] z, int k) Creates a hexmap with the jet color palette.
void	paint(Graphics g) Draws the shape.
java.util.Optional<java.lang.String>	tooltip(double[] coord) Returns a optional tool tip for the object at given coordinates.

Methods inherited from class smile.plot.swing.Plot

legends, toolbar

Methods inherited from class java.lang.Object

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

Constructor Detail

Hexmap

public Hexmap(double[][] z,
              java.awt.Color[] palette,
              Hexmap.Tooltip tooltip)

Constructor.

Parameters:

z - a data matrix to be shown in hexmap.

palette - the color palette.

tooltip - the lambda to return the description of cells.

Method Detail

tooltip

public java.util.Optional<java.lang.String> tooltip(double[] coord)

Description copied from class: Plot

Returns a optional tool tip for the object at given coordinates.

Overrides:

tooltip in class Plot

Parameters:

coord - the logical coordinates of current mouse position.

Returns:

a string if an object with label close to the given coordinates.

getLowerBound

public double[] getLowerBound()

Description copied from class: Plot

Returns the lower bound of data.

Specified by:

getLowerBound in class Plot

getUpperBound

public double[] getUpperBound()

Description copied from class: Plot

Returns the upper bound of data.

Specified by:

getUpperBound in class Plot

paint

public void paint(Graphics g)

Description copied from class: Shape

Draws the shape.

Specified by:

paint in class Shape

canvas

public Canvas canvas()

Description copied from class: Plot

Returns a canvas of the plot.

Overrides:

canvas in class Plot

of

public static Hexmap of(double[][] z)

Creates a hexmap with 16-color jet color palette.

Parameters:

z - a data matrix to be shown in hexmap.

of

public static Hexmap of(double[][] z,
                        int k)

Creates a hexmap with the jet color palette.

Parameters:

z - a data matrix to be shown in hexmap.

k - the number of colors in the palette.

of

public static Hexmap of(double[][] z,
                        java.awt.Color[] palette)

Constructor.

Parameters:

z - a data matrix to be shown in hexmap.

palette - the color palette.