Module org.hdfgroup.hdfview

Package hdf.view

Class Chart

Object

org.eclipse.swt.widgets.Dialog

hdf.view.Chart

public class Chart
extends org.eclipse.swt.widgets.Dialog

ChartView displays a histogram/line chart of selected row/column of table data or image data. There are two types of chart, histogram and line plot.

Version:

2.4 2/27/2016

Author:

Jordan T. Henderson

Field Summary

Fields

Modifier and Type	Field	Description
protected hdf.view.Chart.ChartCanvas	chartP	Panel that draws plot of data values.
protected double[][]	data	the data values of line points or histogram
static final int	HISTOGRAM	histogram style chart
static final int[]	LINE_COLORS	The default colors of lines for selected columns
static final int	LINEPLOT	line style chart
protected int	numberOfPoints	number of data points

Constructor Summary

Constructors

Constructor	Description
Chart(org.eclipse.swt.widgets.Shell parent, String title, int style, double[][] data, double[] xData, double[] yRange)	Constructs a new ChartView given data and data ranges.

Method Summary

Modifier and Type	Method	Description
void	open()	Show the Chart dialog.
void	setLineColors(int[] c)	Sets the color of each line of a line plot
void	setLineLabels(String[] l)	Sets the labels of each line.
void	setTypeToInteger()	Sets the data type of the plot data to be integer.

Methods inherited from class org.eclipse.swt.widgets.Dialog

checkSubclass, getParent, getStyle, getText, setText

Methods inherited from class java.lang.Object

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

Field Details

HISTOGRAM

public static final int HISTOGRAM

histogram style chart

See Also:

• Constant Field Values

LINEPLOT

public static final int LINEPLOT

line style chart

See Also:

• Constant Field Values

LINE_COLORS

public static final int[] LINE_COLORS

The default colors of lines for selected columns

data

protected double[][] data

the data values of line points or histogram

chartP

protected hdf.view.Chart.ChartCanvas chartP

Panel that draws plot of data values.

numberOfPoints

protected int numberOfPoints

number of data points

Constructor Details

Chart

public Chart(org.eclipse.swt.widgets.Shell parent,
 String title,
 int style,
 double[][] data,
 double[] xData,
 double[] yRange)

Constructs a new ChartView given data and data ranges.

Parameters:

parent - the parent of this dialog.

title - the title of this dialog.

style - the style of the chart. Valid values are: HISTOGRAM and LINE

data - the two dimensional data array: data[linenumber][datapoints]

xData - the range of the X values, xRange[0]=xmin, xRange[1]=xmax.

yRange - the range of the Y values, yRange[0]=ymin, yRange[1]=ymax.

Method Details

open

public void open()

Show the Chart dialog.

setLineColors

public void setLineColors(int[] c)

Sets the color of each line of a line plot

Parameters:

c - the list of colors

setLineLabels

public void setLineLabels(String[] l)

Sets the labels of each line.

Parameters:

l - the list of line labels

setTypeToInteger

public void setTypeToInteger()

Sets the data type of the plot data to be integer.