Java Code Examples for org.jfree.chart.axis.CategoryAxis#setLowerMargin()
The following examples show how to use
org.jfree.chart.axis.CategoryAxis#setLowerMargin() .
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Example 1
| Source File: ExpressionProfile.java From chipster with MIT License | 6 votes |
|
public JFreeChart createProfileChart(CategoryDataset categoryDataset, List<ProfileRow> rows, String name) throws MicroarrayException {
// draw plot
CategoryAxis categoryAxis = new CategoryAxis("sample");
categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
categoryAxis.setUpperMargin(0.0);
categoryAxis.setLowerMargin(0.0);
ValueAxis valueAxis = new NumberAxis("expression");
plot = new CategoryPlot(categoryDataset, categoryAxis, valueAxis, createRenderer(rows));
plot.setOrientation(PlotOrientation.VERTICAL);
JFreeChart chart = new JFreeChart("Expression profile for " + name,
JFreeChart.DEFAULT_TITLE_FONT, plot, false);
return chart;
}
Example 2
| Source File: StatisticChart.java From BART with MIT License | 5 votes |
|
public static JPanel createStatisticBarChart(String title,String categoryX,String valueY,CategoryDataset dataset) {
final CategoryAxis xAxis = new CategoryAxis(categoryX);
xAxis.setLowerMargin(0.01d); // percentage of space before first bar
xAxis.setUpperMargin(0.01d); // percentage of space after last bar
xAxis.setCategoryMargin(0.05d); // percentage of space between categories
final ValueAxis yAxis = new NumberAxis("Value");
final CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, new StatisticalBarRenderer());
JFreeChart statChart = new JFreeChart(title, new Font("Helvetica", Font.BOLD, 14), plot, true);
ChartPanel panel = new ChartPanel(statChart);
panel.setPreferredSize(new Dimension(700, 440));
return panel;
}
Example 3
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 5 votes |
|
private byte[] generateBoxAndWhiskerChart (BoxAndWhiskerCategoryDataset dataset, int width, int height)
{
JFreeChart chart = ChartFactory.createBoxAndWhiskerChart (null, null,
null, dataset, false);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
plot.setDomainGridlinePaint (Color.white);
plot.setDomainGridlinesVisible (true);
plot.setRangeGridlinePaint (Color.white);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
domainAxis.setLowerMargin (0.0);
domainAxis.setUpperMargin (0.0);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 4
| Source File: AWSDeviceFarmGraph.java From aws-device-farm-jenkins-plugin with Apache License 2.0 | 5 votes |
|
/**
* Create graph based on the given dataset and constraints.
*
* @return The JFreeChart graph.
*/
protected JFreeChart createGraph() {
// Create chart.
JFreeChart chart = ChartFactory.createStackedAreaChart(null, null, yLabel, dataset, PlotOrientation.VERTICAL, true, true, false);
chart.setBackgroundPaint(Color.WHITE);
// Create chart legend.
LegendTitle legend = chart.getLegend();
legend.setPosition(RectangleEdge.RIGHT);
// Create chart plot.
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setForegroundAlpha(0.7f);
plot.setBackgroundPaint(Color.WHITE);
plot.setRangeGridlinePaint(Color.darkGray);
// Create domain (x) axis.
CategoryAxis domain = new ShiftedCategoryAxis(xLabel);
domain.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
domain.setLowerMargin(0.0);
domain.setUpperMargin(0.0);
domain.setCategoryMargin(0.0);
plot.setDomainAxis(domain);
// Create range (y) axis.
NumberAxis range = (NumberAxis) plot.getRangeAxis();
range.setAutoRange(true);
range.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// Create renderer and paint the chart.
CategoryItemRenderer renderer = plot.getRenderer();
plot.setInsets(new RectangleInsets(5.0, 0, 0, 5.0));
// Set chart colors for sections.
for (int i = 0; i < colors.length; i++) {
renderer.setSeriesPaint(i, colors[i]);
}
return chart;
}
Example 5
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 5 votes |
|
private byte[] generateBoxAndWhiskerChart (BoxAndWhiskerCategoryDataset dataset, int width, int height)
{
JFreeChart chart = ChartFactory.createBoxAndWhiskerChart (null, null,
null, dataset, false);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
plot.setDomainGridlinePaint (Color.white);
plot.setDomainGridlinesVisible (true);
plot.setRangeGridlinePaint (Color.white);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
domainAxis.setLowerMargin (0.0);
domainAxis.setUpperMargin (0.0);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 6
| Source File: CumulativeCurveChart.java From Knowage-Server with GNU Affero General Public License v3.0 | 4 votes |
|
public JFreeChart createChart(DatasetMap datasetMap) {
CategoryDataset datasetValue=(CategoryDataset)datasetMap.getDatasets().get("1");
CategoryDataset datasetCumulative=(CategoryDataset)datasetMap.getDatasets().get("2");
JFreeChart chart = ChartFactory.createBarChart(
name, // chart title
xLabel, // domain axis label
yLabel, // range axis label
datasetValue, // data
PlotOrientation.VERTICAL,
true, // include legend
true,
false
);
chart.setBackgroundPaint(Color.white);
// get a reference to the plot for further customisation...
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setRangeGridlinePaint(Color.white);
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setLowerMargin(0.02);
domainAxis.setUpperMargin(0.02);
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
// set the range axis to display integers only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
NumberAxis axis2 = new NumberAxis("Percent");
axis2.setNumberFormatOverride(NumberFormat.getPercentInstance());
plot.setRangeAxis(1, axis2);
plot.setDataset(1, datasetCumulative);
plot.setRenderer(1, renderer2);
plot.mapDatasetToRangeAxis(1, 1);
plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
return chart;
}
Example 7
| Source File: ParetoChartPlotter.java From rapidminer-studio with GNU Affero General Public License v3.0 | 4 votes |
|
private JFreeChart createChart() {
if (data.getItemCount() > 0) {
// get cumulative percentages
KeyedValues cumulative = DataUtilities.getCumulativePercentages(data);
CategoryDataset categoryDataset = DatasetUtilities.createCategoryDataset(
"Count for " + this.dataTable.getColumnName(this.countColumn) + " = " + countValue, data);
// create the chart...
final JFreeChart chart = ChartFactory.createBarChart(null, // chart title
this.dataTable.getColumnName(this.groupByColumn), // domain axis label
"Count", // range axis label
categoryDataset, // data
PlotOrientation.VERTICAL, true, // include legend
true, false);
// set the background color for the chart...
chart.setBackgroundPaint(Color.WHITE);
// get a reference to the plot for further customization...
CategoryPlot plot = chart.getCategoryPlot();
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setLowerMargin(0.02);
domainAxis.setUpperMargin(0.02);
domainAxis.setLabelFont(LABEL_FONT_BOLD);
domainAxis.setTickLabelFont(LABEL_FONT);
// set the range axis to display integers only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits(Locale.US));
rangeAxis.setLabelFont(LABEL_FONT_BOLD);
rangeAxis.setTickLabelFont(LABEL_FONT);
// second data set (cumulative percentages)
CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative (Percent)", cumulative);
LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
renderer2.setSeriesPaint(0, SwingTools.VERY_DARK_BLUE.darker());
NumberAxis axis2 = new NumberAxis("Percent of " + countValue);
axis2.setNumberFormatOverride(NumberFormat.getPercentInstance());
axis2.setLabelFont(LABEL_FONT_BOLD);
axis2.setTickLabelFont(LABEL_FONT);
plot.setRangeAxis(1, axis2);
plot.setDataset(1, dataset2);
plot.setRenderer(1, renderer2);
plot.mapDatasetToRangeAxis(1, 1);
axis2.setTickUnit(new NumberTickUnit(0.1));
// show grid lines
plot.setRangeGridlinesVisible(true);
// bring cumulative line to front
plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
if (isLabelRotating()) {
domainAxis.setTickLabelsVisible(true);
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d));
}
return chart;
} else {
return null;
}
}
Example 8
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] generateStackedAreaChart (CategoryDataset dataset, int width, int height)
{
JFreeChart chart = ChartFactory.createStackedAreaChart (null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.VERTICAL, // the plot orientation
true, // legend
true, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// set transparency
plot.setForegroundAlpha (0.7f);
plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
plot.setBackgroundPaint (Color.lightGray);
plot.setDomainGridlinesVisible (true);
plot.setDomainGridlinePaint (Color.white);
plot.setRangeGridlinesVisible (true);
plot.setRangeGridlinePaint (Color.white);
// set colour of regular users using Karate belt colour: white, green, blue, brown, black/gold
CategoryItemRenderer renderer = plot.getRenderer ();
renderer.setSeriesPaint (0, new Color (205, 173, 0)); // gold users
renderer.setSeriesPaint (1, new Color (139, 69, 19));
renderer.setSeriesPaint (2, Color.BLUE);
renderer.setSeriesPaint (3, Color.GREEN);
renderer.setSeriesPaint (4, Color.WHITE);
// set the range axis to display integers only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
domainAxis.setLowerMargin(0.0);
domainAxis.setUpperMargin(0.0);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 9
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] generateLayeredBarChart (CategoryDataset dataset, int width, int height)
{
JFreeChart chart = ChartFactory.createBarChart (null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.VERTICAL, // the plot orientation
true, // legend
true, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// disable bar outlines...
LayeredBarRenderer renderer = new LayeredBarRenderer ();
renderer.setDrawBarOutline (false);
renderer.setSeriesBarWidth (0, .6);
renderer.setSeriesBarWidth (1, .8);
renderer.setSeriesBarWidth (2, 1.0);
plot.setRenderer (renderer);
// for this renderer, we need to draw the first series last...
plot.setRowRenderingOrder (SortOrder.DESCENDING);
// set up gradient paints for series...
GradientPaint gp0 = new GradientPaint (0.0f, 0.0f, Color.blue, 0.0f,
0.0f, new Color (0, 0, 64));
GradientPaint gp1 = new GradientPaint (0.0f, 0.0f, Color.green, 0.0f,
0.0f, new Color (0, 64, 0));
GradientPaint gp2 = new GradientPaint (0.0f, 0.0f, Color.red, 0.0f,
0.0f, new Color (64, 0, 0));
renderer.setSeriesPaint (0, gp0);
renderer.setSeriesPaint (1, gp1);
renderer.setSeriesPaint (2, gp2);
CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
domainAxis.setLowerMargin (0.0);
domainAxis.setUpperMargin (0.0);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 10
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] createToolAnalysisChart (int width, int height)
{
CategoryDataset dataset = getToolAnalysisDataSet ();
if (dataset == null) {
return generateNoDataChart(width, height);
}
JFreeChart chart = ChartFactory.createBarChart (
null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.HORIZONTAL, // the plot orientation
false, // legend
false, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// set transparency
plot.setForegroundAlpha (0.7f);
plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
plot.setBackgroundPaint (Color.lightGray);
plot.setDomainGridlinesVisible (false);
plot.setRangeGridlinesVisible (true);
plot.setRangeGridlinePaint (Color.white);
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setVisible(false);
domainAxis.setUpperMargin (0);
domainAxis.setLowerMargin (0);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setUpperMargin(0.20);
rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
BarRenderer renderer = (BarRenderer) plot.getRenderer();
CategoryItemLabelGenerator generator
= new StandardCategoryItemLabelGenerator("{1}",
NumberFormat.getInstance(new ResourceLoader().getLocale()));
renderer.setDefaultItemLabelGenerator(generator);
renderer.setDefaultItemLabelFont(new Font("SansSerif", Font.PLAIN, 9));
renderer.setDefaultItemLabelsVisible(true);
renderer.setItemMargin (0);
renderer.setSeriesPaint (0, Color.BLUE);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 11
| Source File: CategoryAxisTests.java From astor with GNU General Public License v2.0 | 4 votes |
|
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
CategoryAxis a1 = new CategoryAxis("Test");
CategoryAxis a2 = new CategoryAxis("Test");
assertTrue(a1.equals(a2));
// lowerMargin
a1.setLowerMargin(0.15);
assertFalse(a1.equals(a2));
a2.setLowerMargin(0.15);
assertTrue(a1.equals(a2));
// upperMargin
a1.setUpperMargin(0.15);
assertFalse(a1.equals(a2));
a2.setUpperMargin(0.15);
assertTrue(a1.equals(a2));
// categoryMargin
a1.setCategoryMargin(0.15);
assertFalse(a1.equals(a2));
a2.setCategoryMargin(0.15);
assertTrue(a1.equals(a2));
// maxCategoryLabelWidthRatio
a1.setMaximumCategoryLabelWidthRatio(0.98f);
assertFalse(a1.equals(a2));
a2.setMaximumCategoryLabelWidthRatio(0.98f);
assertTrue(a1.equals(a2));
// categoryLabelPositionOffset
a1.setCategoryLabelPositionOffset(11);
assertFalse(a1.equals(a2));
a2.setCategoryLabelPositionOffset(11);
assertTrue(a1.equals(a2));
// categoryLabelPositions
a1.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
assertFalse(a1.equals(a2));
a2.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
assertTrue(a1.equals(a2));
// categoryLabelToolTips
a1.addCategoryLabelToolTip("Test", "Check");
assertFalse(a1.equals(a2));
a2.addCategoryLabelToolTip("Test", "Check");
assertTrue(a1.equals(a2));
// tickLabelFont
a1.setTickLabelFont("C1", new Font("Dialog", Font.PLAIN, 21));
assertFalse(a1.equals(a2));
a2.setTickLabelFont("C1", new Font("Dialog", Font.PLAIN, 21));
assertTrue(a1.equals(a2));
// tickLabelPaint
a1.setTickLabelPaint("C1", Color.red);
assertFalse(a1.equals(a2));
a2.setTickLabelPaint("C1", Color.red);
assertTrue(a1.equals(a2));
// tickLabelPaint2
a1.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertFalse(a1.equals(a2));
a2.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertTrue(a1.equals(a2));
}
Example 12
| Source File: CategoryAxisTests.java From astor with GNU General Public License v2.0 | 4 votes |
|
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
CategoryAxis a1 = new CategoryAxis("Test");
CategoryAxis a2 = new CategoryAxis("Test");
assertTrue(a1.equals(a2));
// lowerMargin
a1.setLowerMargin(0.15);
assertFalse(a1.equals(a2));
a2.setLowerMargin(0.15);
assertTrue(a1.equals(a2));
// upperMargin
a1.setUpperMargin(0.15);
assertFalse(a1.equals(a2));
a2.setUpperMargin(0.15);
assertTrue(a1.equals(a2));
// categoryMargin
a1.setCategoryMargin(0.15);
assertFalse(a1.equals(a2));
a2.setCategoryMargin(0.15);
assertTrue(a1.equals(a2));
// maxCategoryLabelWidthRatio
a1.setMaximumCategoryLabelWidthRatio(0.98f);
assertFalse(a1.equals(a2));
a2.setMaximumCategoryLabelWidthRatio(0.98f);
assertTrue(a1.equals(a2));
// categoryLabelPositionOffset
a1.setCategoryLabelPositionOffset(11);
assertFalse(a1.equals(a2));
a2.setCategoryLabelPositionOffset(11);
assertTrue(a1.equals(a2));
// categoryLabelPositions
a1.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
assertFalse(a1.equals(a2));
a2.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
assertTrue(a1.equals(a2));
// categoryLabelToolTips
a1.addCategoryLabelToolTip("Test", "Check");
assertFalse(a1.equals(a2));
a2.addCategoryLabelToolTip("Test", "Check");
assertTrue(a1.equals(a2));
// tickLabelFont
a1.setTickLabelFont("C1", new Font("Dialog", Font.PLAIN, 21));
assertFalse(a1.equals(a2));
a2.setTickLabelFont("C1", new Font("Dialog", Font.PLAIN, 21));
assertTrue(a1.equals(a2));
// tickLabelPaint
a1.setTickLabelPaint("C1", Color.red);
assertFalse(a1.equals(a2));
a2.setTickLabelPaint("C1", Color.red);
assertTrue(a1.equals(a2));
// tickLabelPaint2
a1.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertFalse(a1.equals(a2));
a2.setTickLabelPaint("C1", new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertTrue(a1.equals(a2));
}
Example 13
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] generateStackedAreaChart (CategoryDataset dataset, int width, int height)
{
JFreeChart chart = ChartFactory.createStackedAreaChart (null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.VERTICAL, // the plot orientation
true, // legend
true, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// set transparency
plot.setForegroundAlpha (0.7f);
plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
plot.setBackgroundPaint (Color.lightGray);
plot.setDomainGridlinesVisible (true);
plot.setDomainGridlinePaint (Color.white);
plot.setRangeGridlinesVisible (true);
plot.setRangeGridlinePaint (Color.white);
// set colour of regular users using Karate belt colour: white, green, blue, brown, black/gold
CategoryItemRenderer renderer = plot.getRenderer ();
renderer.setSeriesPaint (0, new Color (205, 173, 0)); // gold users
renderer.setSeriesPaint (1, new Color (139, 69, 19));
renderer.setSeriesPaint (2, Color.BLUE);
renderer.setSeriesPaint (3, Color.GREEN);
renderer.setSeriesPaint (4, Color.WHITE);
// set the range axis to display integers only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
domainAxis.setLowerMargin(0.0);
domainAxis.setUpperMargin(0.0);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 14
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] generateLayeredBarChart (CategoryDataset dataset, int width, int height)
{
JFreeChart chart = ChartFactory.createBarChart (null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.VERTICAL, // the plot orientation
true, // legend
true, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// disable bar outlines...
LayeredBarRenderer renderer = new LayeredBarRenderer ();
renderer.setDrawBarOutline (false);
renderer.setSeriesBarWidth (0, .6);
renderer.setSeriesBarWidth (1, .8);
renderer.setSeriesBarWidth (2, 1.0);
plot.setRenderer (renderer);
// for this renderer, we need to draw the first series last...
plot.setRowRenderingOrder (SortOrder.DESCENDING);
// set up gradient paints for series...
GradientPaint gp0 = new GradientPaint (0.0f, 0.0f, Color.blue, 0.0f,
0.0f, new Color (0, 0, 64));
GradientPaint gp1 = new GradientPaint (0.0f, 0.0f, Color.green, 0.0f,
0.0f, new Color (0, 64, 0));
GradientPaint gp2 = new GradientPaint (0.0f, 0.0f, Color.red, 0.0f,
0.0f, new Color (64, 0, 0));
renderer.setSeriesPaint (0, gp0);
renderer.setSeriesPaint (1, gp1);
renderer.setSeriesPaint (2, gp2);
CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
domainAxis.setLowerMargin (0.0);
domainAxis.setUpperMargin (0.0);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 15
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] createToolAnalysisChart (int width, int height)
{
CategoryDataset dataset = getToolAnalysisDataSet ();
if (dataset == null) {
return generateNoDataChart(width, height);
}
JFreeChart chart = ChartFactory.createBarChart (
null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.HORIZONTAL, // the plot orientation
false, // legend
false, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// set transparency
plot.setForegroundAlpha (0.7f);
plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
plot.setBackgroundPaint (Color.lightGray);
plot.setDomainGridlinesVisible (false);
plot.setRangeGridlinesVisible (true);
plot.setRangeGridlinePaint (Color.white);
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setVisible(false);
domainAxis.setUpperMargin (0);
domainAxis.setLowerMargin (0);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setUpperMargin(0.20);
rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
BarRenderer renderer = (BarRenderer) plot.getRenderer();
CategoryItemLabelGenerator generator
= new StandardCategoryItemLabelGenerator("{1}",
NumberFormat.getInstance(new ResourceLoader().getLocale()));
renderer.setDefaultItemLabelGenerator(generator);
renderer.setDefaultItemLabelFont(new Font("SansSerif", Font.PLAIN, 9));
renderer.setDefaultItemLabelsVisible(true);
renderer.setItemMargin (0);
renderer.setSeriesPaint (0, Color.BLUE);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
