smile.plot

Class Heatmap

java.lang.Object

smile.plot.Shape

smile.plot.Plot

smile.plot.Heatmap

public class Heatmap
extends Plot

A heat map is a graphical representation of data where the values taken by a variable in a two-dimensional map are represented as colors.

Constructor Summary

Constructors

Constructor and Description
Heatmap(double[][] z) Constructor.
Heatmap(double[][] z, java.awt.Color[] palette) Constructor.
Heatmap(double[][] z, int k) Constructor.
Heatmap(double[] x, double[] y, double[][] z) Constructor.
Heatmap(double[] x, double[] y, double[][] z, java.awt.Color[] palette) Constructor.
Heatmap(double[] x, double[] y, double[][] z, int k) Constructor.
Heatmap(java.lang.String[] rowLabels, java.lang.String[] columnLabels, double[][] z) Constructor.
Heatmap(java.lang.String[] rowLabels, java.lang.String[] columnLabels, double[][] z, java.awt.Color[] palette) Constructor.
Heatmap(java.lang.String[] rowLabels, java.lang.String[] columnLabels, double[][] z, int k) Constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getToolTip(double[] coord) Returns a optional tool tip for the object at given coordinates.
void	paint(Graphics g) Draw the component with given graphics object.
static PlotCanvas	plot(double[][] z) Create a plot canvas with the pseudo heat map plot of given data.
static PlotCanvas	plot(double[][] z, java.awt.Color[] palette) Create a plot canvas with the pseudo heat map plot of given data.
static PlotCanvas	plot(double[] x, double[] y, double[][] z) Create a plot canvas with the pseudo heat map plot of given data.
static PlotCanvas	plot(double[] x, double[] y, double[][] z, java.awt.Color[] palette) Create a plot canvas with the pseudo heat map plot of given data.
static PlotCanvas	plot(java.lang.String[] rowLabels, java.lang.String[] columnLabels, double[][] z) Create a plot canvas with the pseudo heat map plot of given data.
static PlotCanvas	plot(java.lang.String[] rowLabels, java.lang.String[] columnLabels, double[][] z, java.awt.Color[] palette) Create a plot canvas with the pseudo heat map plot of given data.

Methods inherited from class smile.plot.Plot

getID, getToolBar, setID

Methods inherited from class smile.plot.Shape

getColor, setColor

Methods inherited from class java.lang.Object

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

Constructor Detail

Heatmap

public Heatmap(double[][] z)

Constructor. Use 16-color jet color palette.

Heatmap

public Heatmap(double[][] z,
               int k)

Constructor. Use jet color palette.

Parameters:

z - a data matrix to be shown in pseudo heat map.

k - the number of colors in the palette.

Heatmap

public Heatmap(double[][] z,
               java.awt.Color[] palette)

Constructor.

Parameters:

z - a data matrix to be shown in pseudo heat map.

palette - the color palette.

Heatmap

public Heatmap(java.lang.String[] rowLabels,
               java.lang.String[] columnLabels,
               double[][] z)

Constructor. Use 16-color jet color palette.

Heatmap

public Heatmap(java.lang.String[] rowLabels,
               java.lang.String[] columnLabels,
               double[][] z,
               int k)

Constructor. Use jet color palette.

Parameters:

z - a data matrix to be shown in pseudo heat map.

k - the number of colors in the palette.

Heatmap

public Heatmap(java.lang.String[] rowLabels,
               java.lang.String[] columnLabels,
               double[][] z,
               java.awt.Color[] palette)

Constructor.

Parameters:

z - a data matrix to be shown in pseudo heat map.

palette - the color palette.

Heatmap

public Heatmap(double[] x,
               double[] y,
               double[][] z)

Constructor. Use 16-color jet color palette.

Parameters:

x - x coordinate of data matrix cells. Must be in ascending order.

y - y coordinate of data matrix cells. Must be in ascending order.

z - a data matrix to be shown in pseudo heat map.

Heatmap

public Heatmap(double[] x,
               double[] y,
               double[][] z,
               int k)

Constructor. Use jet color palette.

Parameters:

x - x coordinate of data matrix cells. Must be in ascending order.

y - y coordinate of data matrix cells. Must be in ascending order.

z - a data matrix to be shown in pseudo heat map.

k - the number of colors in the palette.

Heatmap

public Heatmap(double[] x,
               double[] y,
               double[][] z,
               java.awt.Color[] palette)

Constructor.

Parameters:

x - x coordinate of data matrix cells. Must be in ascending order.

y - y coordinate of data matrix cells. Must be in ascending order.

z - a data matrix to be shown in pseudo heat map.

palette - the color palette.

Method Detail

getToolTip

public java.lang.String getToolTip(double[] coord)

Description copied from class: Plot

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

Overrides:

getToolTip 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. Otherwise null.

paint

public void paint(Graphics g)

Description copied from class: Shape

Draw the component with given graphics object.

Specified by:

paint in class Shape

plot

public static PlotCanvas plot(double[][] z)

Create a plot canvas with the pseudo heat map plot of given data.

Parameters:

z - a data matrix to be shown in pseudo heat map.

plot

public static PlotCanvas plot(double[][] z,
                              java.awt.Color[] palette)

Create a plot canvas with the pseudo heat map plot of given data.

Parameters:

z - a data matrix to be shown in pseudo heat map.

palette - the color palette.

plot

public static PlotCanvas plot(double[] x,
                              double[] y,
                              double[][] z)

Create a plot canvas with the pseudo heat map plot of given data.

Parameters:

x - x coordinate of data matrix cells. Must be in ascending order.

y - y coordinate of data matrix cells. Must be in ascending order.

z - a data matrix to be shown in pseudo heat map.

plot

public static PlotCanvas plot(double[] x,
                              double[] y,
                              double[][] z,
                              java.awt.Color[] palette)

Create a plot canvas with the pseudo heat map plot of given data.

Parameters:

x - x coordinate of data matrix cells. Must be in ascending order.

y - y coordinate of data matrix cells. Must be in ascending order.

z - a data matrix to be shown in pseudo heat map.

palette - the color palette.

plot

public static PlotCanvas plot(java.lang.String[] rowLabels,
                              java.lang.String[] columnLabels,
                              double[][] z)

Create a plot canvas with the pseudo heat map plot of given data.

Parameters:

z - a data matrix to be shown in pseudo heat map.

rowLabels - the labels for rows of data matrix.

columnLabels - the labels for columns of data matrix.

plot

public static PlotCanvas plot(java.lang.String[] rowLabels,
                              java.lang.String[] columnLabels,
                              double[][] z,
                              java.awt.Color[] palette)

Create a plot canvas with the pseudo heat map plot of given data.

Parameters:

z - a data matrix to be shown in pseudo heat map.

rowLabels - the labels for rows of data matrix.

columnLabels - the labels for columns of data matrix.

palette - the color palette.