Package org.hortonmachine.gears.utils.images

Class LineChartGenerator

java.lang.Object

org.hortonmachine.gears.utils.images.LineChartGenerator

public class LineChartGenerator
extends Object

An utility class for simple chart image generation.

Since:

0.7.3

Author:

Andrea Antonello (www.hydrologis.com)

Constructor Summary

Constructors

Constructor	Description
LineChartGenerator(String title, String xLabel, String yLabel)

Method Summary

Modifier and Type	Method	Description
void	addDatasetMatrix(double[][] data, String seriesName)
void	dumpChart(File chartFile, boolean autoRange, boolean withLegend, int imageWidth, int imageHeight)	Creates the chart image and dumps it to file.

Methods inherited from class java.lang.Object

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

Constructor Detail

LineChartGenerator

public LineChartGenerator(String title,
                          String xLabel,
                          String yLabel)

Method Detail

addDatasetMatrix

public void addDatasetMatrix(double[][] data,
                             String seriesName)

dumpChart

public void dumpChart(File chartFile,
                      boolean autoRange,
                      boolean withLegend,
                      int imageWidth,
                      int imageHeight)
               throws IOException

Creates the chart image and dumps it to file.

Parameters:

chartFile - the file to which to write to.

autoRange - flag to define if to auto define the range from the bounds.

withLegend - flag to define the legend presence.

imageWidth - the output image width (if -1 default is used).

imageHeight - the output image height (if -1 default is used).

Throws:

IOException