下面列出了怎么用javafx.scene.chart.BarChart的API类实例代码及写法，或者点击链接到github查看源代码。
private BarChart createBarChart() {
CategoryAxis xAxis = new CategoryAxis();
xAxis.setCategories(FXCollections.<String>observableArrayList(tableModel.getColumnNames()));
xAxis.setLabel("Year");
double tickUnit = tableModel.getTickUnit();
NumberAxis yAxis = new NumberAxis();
yAxis.setTickUnit(tickUnit);
yAxis.setLabel("Units Sold");
final BarChart chart = new BarChart(xAxis, yAxis, tableModel.getBarChartData());
tableModel.addTableModelListener(new TableModelListener() {
public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE) {
final int row = e.getFirstRow();
final int column = e.getColumn();
final Object value = ((SampleTableModel) e.getSource()).getValueAt(row, column);
Platform.runLater(new Runnable() {
public void run() {
XYChart.Series<String, Number> s = (XYChart.Series<String, Number>) chart.getData().get(row);
BarChart.Data data = s.getData().get(column);
data.setYValue(value);
}
});
}
}
});
return chart;
}
public BarChartSample() {
String[] years = {"2007", "2008", "2009"};
CategoryAxis xAxis = new CategoryAxis();
xAxis.setCategories(FXCollections.<String>observableArrayList(years));
NumberAxis yAxis = new NumberAxis("Units Sold", 0.0d, 3000.0d, 1000.0d);
ObservableList<BarChart.Series> barChartData = FXCollections.observableArrayList(
new BarChart.Series("Apples", FXCollections.observableArrayList(
new BarChart.Data(years[0], 567d),
new BarChart.Data(years[1], 1292d),
new BarChart.Data(years[2], 1292d)
)),
new BarChart.Series("Lemons", FXCollections.observableArrayList(
new BarChart.Data(years[0], 956),
new BarChart.Data(years[1], 1665),
new BarChart.Data(years[2], 2559)
)),
new BarChart.Series("Oranges", FXCollections.observableArrayList(
new BarChart.Data(years[0], 1154),
new BarChart.Data(years[1], 1927),
new BarChart.Data(years[2], 2774)
))
);
BarChart chart = new BarChart(xAxis, yAxis, barChartData, 25.0d);
getChildren().add(chart);
}
public ImageBarChartSample() {
String imageBarChartCss = ImageBarChartSample.class.getResource("ImageBarChart.css").toExternalForm();
BarChart barChart = new BarChart(new CategoryAxis(), new NumberAxis());
barChart.setLegendVisible(false);
barChart.getStylesheets().add(imageBarChartCss);
barChart.getData().add(
new XYChart.Series<String, Integer>("Sales Per Product",
FXCollections.observableArrayList(
new XYChart.Data<String, Integer>("SUV", 120),
new XYChart.Data<String, Integer>("Sedan", 50),
new XYChart.Data<String, Integer>("Truck", 180),
new XYChart.Data<String, Integer>("Van", 20))));
Scene scene = new Scene(barChart, 350, 300);
scene.getStylesheets().add(ImageBarChartSample.class.getResource("ImageBarChart.css").toString());
getChildren().add(barChart);
}
public BarChartSample() {
String[] years = {"2007", "2008", "2009"};
CategoryAxis xAxis = new CategoryAxis();
xAxis.setCategories(FXCollections.<String>observableArrayList(years));
NumberAxis yAxis = new NumberAxis("Units Sold", 0.0d, 3000.0d, 1000.0d);
ObservableList<BarChart.Series> barChartData = FXCollections.observableArrayList(
new BarChart.Series("Apples", FXCollections.observableArrayList(
new BarChart.Data(years[0], 567d),
new BarChart.Data(years[1], 1292d),
new BarChart.Data(years[2], 1292d)
)),
new BarChart.Series("Lemons", FXCollections.observableArrayList(
new BarChart.Data(years[0], 956),
new BarChart.Data(years[1], 1665),
new BarChart.Data(years[2], 2559)
)),
new BarChart.Series("Oranges", FXCollections.observableArrayList(
new BarChart.Data(years[0], 1154),
new BarChart.Data(years[1], 1927),
new BarChart.Data(years[2], 2774)
))
);
BarChart chart = new BarChart(xAxis, yAxis, barChartData, 25.0d);
getChildren().add(chart);
}
public ImageBarChartSample() {
String imageBarChartCss = ImageBarChartSample.class.getResource("ImageBarChart.css").toExternalForm();
BarChart barChart = new BarChart(new CategoryAxis(), new NumberAxis());
barChart.setLegendVisible(false);
barChart.getStylesheets().add(imageBarChartCss);
barChart.getData().add(
new XYChart.Series<String, Integer>("Sales Per Product",
FXCollections.observableArrayList(
new XYChart.Data<String, Integer>("SUV", 120),
new XYChart.Data<String, Integer>("Sedan", 50),
new XYChart.Data<String, Integer>("Truck", 180),
new XYChart.Data<String, Integer>("Van", 20))));
Scene scene = new Scene(barChart, 350, 300);
scene.getStylesheets().add(ImageBarChartSample.class.getResource("ImageBarChart.css").toString());
getChildren().add(barChart);
}
public static void renderMeasuredProbabilities(int[] results) {
CategoryAxis xAxis = new CategoryAxis();
NumberAxis yAxis = new NumberAxis();
BarChart<String, Integer> barChart = new BarChart(xAxis, yAxis);
barChart.setData(getChartData(results));
barChart.setTitle("Measured probability distribution");
StackPane root = new StackPane();
root.getChildren().add(barChart);
if (myStage != null) {
Scene oldscene = myStage.getScene();
VBox box = (VBox)(oldscene.getRoot());
oldscene.setRoot(new StackPane());
box.getChildren().add(root);
Scene newScene = new Scene(box);
newScene.getStylesheets().add(Main.class.getResource("/styles.css").toExternalForm());
myStage.setScene(newScene);
} else {
Stage stage = new Stage();
stage.setScene(new Scene(root, 640, 480));
stage.show();
}
}
private Parent createContent() {
StackPane root = new StackPane();
root.setPrefSize(800, 600);
BarChart<String, Number> chart = new BarChart<>(new CategoryAxis(), new NumberAxis());
XYChart.Series<String, Number> series = new XYChart.Series<>();
extractor.extract()
.stream()
.sorted((e1, e2) -> e2.getFrequency() - e1.getFrequency())
.limit(10)
.forEach(entry -> {
series.getData().add(new XYChart.Data<>(entry.getWord(), entry.getFrequency()));
});
chart.getData().add(series);
root.getChildren().add(chart);
return root;
}
private static void showResults(int[] results) {
CategoryAxis xAxis = new CategoryAxis();
NumberAxis yAxis = new NumberAxis();
BarChart<String, Integer> barChart = new BarChart(xAxis, yAxis);
barChart.setData(getChartData(results));
barChart.setTitle("Classic probability distribution");
StackPane root = new StackPane();
root.getChildren().add(barChart);
Stage stage = new Stage();
stage.setTitle("Two coins, classic case");
stage.setScene(new Scene(root, 640, 480));
stage.show();
}
@Override
public void start(Stage stage) throws Exception {
int results[] = TwoCoins.calculate(count);
CategoryAxis xAxis = new CategoryAxis();
NumberAxis yAxis = new NumberAxis();
BarChart<String, Integer> barChart = new BarChart(xAxis, yAxis);
barChart.setData(getChartData(results));
StackPane root = new StackPane();
root.getChildren().add(barChart);
stage.setScene(new Scene(root, 640, 480));
stage.show();
}
public AreaBarChart(@Nonnull ModularFeatureListRow row, AtomicDouble progress) {
XYChart.Series data = new XYChart.Series();
int i = 1;
int size = row.getFeatures().size();
for (Entry<RawDataFile, ModularFeature> entry : row.getFeatures().entrySet()) {
Property<Float> areaProperty = entry.getValue().get(AreaType.class);
data.getData().add(
new XYChart.Data("" + i, areaProperty.getValue() == null ? 0f : areaProperty.getValue()));
i++;
if (progress != null)
progress.addAndGet(1.0 / size);
}
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis();
final BarChart<String, Number> bc = new BarChart<String, Number>(xAxis, yAxis);
bc.setLegendVisible(false);
bc.setMinHeight(100);
bc.setPrefHeight(100);
bc.setMaxHeight(100);
bc.setBarGap(3);
bc.setCategoryGap(3);
bc.setPrefWidth(150);
bc.getData().addAll(data);
this.getChildren().add(bc);
}
public ObservableList<BarChart.Series> getBarChartData() {
if (bcData == null) {
bcData = FXCollections.<BarChart.Series>observableArrayList();
for (int row = 0; row < getRowCount(); row++) {
ObservableList<BarChart.Data> series = FXCollections.<BarChart.Data>observableArrayList();
for (int column = 0; column < getColumnCount(); column++) {
series.add(new BarChart.Data(getColumnName(column), getValueAt(row, column)));
}
bcData.add(new BarChart.Series(series));
}
}
return bcData;
}
protected BarChart<Number, String> createChart() {
final String[] years = {"2007", "2008", "2009"};
final CategoryAxis yAxis = new CategoryAxis();
final NumberAxis xAxis = new NumberAxis();
final BarChart<Number,String> bc = new BarChart<Number,String>(xAxis,yAxis);
// setup chart
bc.setTitle("Horizontal Bar Chart Example");
yAxis.setLabel("Year");
yAxis.setCategories(FXCollections.<String>observableArrayList(Arrays.asList(years)));
xAxis.setLabel("Price");
// add starting data
XYChart.Series<Number,String> series1 = new XYChart.Series<Number,String>();
series1.setName("Data Series 1");
XYChart.Series<Number,String> series2 = new XYChart.Series<Number,String>();
series2.setName("Data Series 2");
XYChart.Series<Number,String> series3 = new XYChart.Series<Number,String>();
series3.setName("Data Series 3");
series1.getData().add(new XYChart.Data<Number,String>(567, years[0]));
series1.getData().add(new XYChart.Data<Number,String>(1292, years[1]));
series1.getData().add(new XYChart.Data<Number,String>(2180, years[2]));
series2.getData().add(new XYChart.Data<Number,String>(956, years[0]));
series2.getData().add(new XYChart.Data<Number,String>(1665, years[1]));
series2.getData().add(new XYChart.Data<Number,String>(2450, years[2]));
series3.getData().add(new XYChart.Data<Number,String>(800, years[0]));
series3.getData().add(new XYChart.Data<Number,String>(1000, years[1]));
series3.getData().add(new XYChart.Data<Number,String>(2800, years[2]));
bc.getData().add(series1);
bc.getData().add(series2);
bc.getData().add(series3);
return bc;
}
protected BarChart<String, Number> createChart() {
final String[] years = {"2007", "2008", "2009"};
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis();
yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis,"$",null));
final BarChart<String,Number> bc = new BarChart<String,Number>(xAxis,yAxis);
// setup chart
bc.setTitle("Advanced Bar Chart");
xAxis.setLabel("Year");
xAxis.setCategories(FXCollections.<String>observableArrayList(Arrays.asList(years)));
yAxis.setLabel("Price");
// add starting data
XYChart.Series<String,Number> series1 = new XYChart.Series<String,Number>();
series1.setName("Data Series 1");
XYChart.Series<String,Number> series2 = new XYChart.Series<String,Number>();
series2.setName("Data Series 2");
XYChart.Series<String,Number> series3 = new XYChart.Series<String,Number>();
series3.setName("Data Series 3");
// create sample data
series1.getData().add(new XYChart.Data<String,Number>(years[0], 567));
series1.getData().add(new XYChart.Data<String,Number>(years[1], 1292));
series1.getData().add(new XYChart.Data<String,Number>(years[2], 2180));
series2.getData().add(new XYChart.Data<String,Number>(years[0], 956));
series2.getData().add(new XYChart.Data<String,Number>(years[1], 1665));
series2.getData().add(new XYChart.Data<String,Number>(years[2], 2450));
series3.getData().add(new XYChart.Data<String,Number>(years[0], 800));
series3.getData().add(new XYChart.Data<String,Number>(years[1], 1000));
series3.getData().add(new XYChart.Data<String,Number>(years[2], 2800));
bc.getData().add(series1);
bc.getData().add(series2);
bc.getData().add(series3);
return bc;
}
protected BarChart<String, Number> createChart() {
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis(0,50,10);
final BarChart<String,Number> bc = new BarChart<String,Number>(xAxis,yAxis);
bc.setId("barAudioDemo");
bc.setLegendVisible(false);
bc.setAnimated(false);
bc.setBarGap(0);
bc.setCategoryGap(1);
bc.setVerticalGridLinesVisible(false);
// setup chart
bc.setTitle("Live Audio Spectrum Data");
xAxis.setLabel("Frequency Bands");
yAxis.setLabel("Magnitudes");
yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis,null,"dB"));
// add starting data
XYChart.Series<String,Number> series1 = new XYChart.Series<String,Number>();
series1.setName("Data Series 1");
//noinspection unchecked
series1Data = new XYChart.Data[128];
String[] categories = new String[128];
for (int i=0; i<series1Data.length; i++) {
categories[i] = Integer.toString(i+1);
series1Data[i] = new XYChart.Data<String,Number>(categories[i],50);
series1.getData().add(series1Data[i]);
}
bc.getData().add(series1);
return bc;
}
private BarChart createBarChart() {
CategoryAxis xAxis = new CategoryAxis();
xAxis.setCategories(FXCollections.<String>observableArrayList(tableModel.getColumnNames()));
xAxis.setLabel("Year");
double tickUnit = tableModel.getTickUnit();
NumberAxis yAxis = new NumberAxis();
yAxis.setTickUnit(tickUnit);
yAxis.setLabel("Units Sold");
final BarChart chart = new BarChart(xAxis, yAxis, tableModel.getBarChartData());
tableModel.addTableModelListener(new TableModelListener() {
public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE) {
final int row = e.getFirstRow();
final int column = e.getColumn();
final Object value = ((SampleTableModel) e.getSource()).getValueAt(row, column);
Platform.runLater(new Runnable() {
public void run() {
XYChart.Series<String, Number> s = (XYChart.Series<String, Number>) chart.getData().get(row);
BarChart.Data data = s.getData().get(column);
data.setYValue(value);
}
});
}
}
});
return chart;
}
public ObservableList<BarChart.Series> getBarChartData() {
if (bcData == null) {
bcData = FXCollections.<BarChart.Series>observableArrayList();
for (int row = 0; row < getRowCount(); row++) {
ObservableList<BarChart.Data> series = FXCollections.<BarChart.Data>observableArrayList();
for (int column = 0; column < getColumnCount(); column++) {
series.add(new BarChart.Data(getColumnName(column), getValueAt(row, column)));
}
bcData.add(new BarChart.Series(series));
}
}
return bcData;
}
protected BarChart<Number, String> createChart() {
final String[] years = {"2007", "2008", "2009"};
final CategoryAxis yAxis = new CategoryAxis();
final NumberAxis xAxis = new NumberAxis();
final BarChart<Number,String> bc = new BarChart<Number,String>(xAxis,yAxis);
// setup chart
bc.setTitle("Horizontal Bar Chart Example");
yAxis.setLabel("Year");
yAxis.setCategories(FXCollections.<String>observableArrayList(Arrays.asList(years)));
xAxis.setLabel("Price");
// add starting data
XYChart.Series<Number,String> series1 = new XYChart.Series<Number,String>();
series1.setName("Data Series 1");
XYChart.Series<Number,String> series2 = new XYChart.Series<Number,String>();
series2.setName("Data Series 2");
XYChart.Series<Number,String> series3 = new XYChart.Series<Number,String>();
series3.setName("Data Series 3");
series1.getData().add(new XYChart.Data<Number,String>(567, years[0]));
series1.getData().add(new XYChart.Data<Number,String>(1292, years[1]));
series1.getData().add(new XYChart.Data<Number,String>(2180, years[2]));
series2.getData().add(new XYChart.Data<Number,String>(956, years[0]));
series2.getData().add(new XYChart.Data<Number,String>(1665, years[1]));
series2.getData().add(new XYChart.Data<Number,String>(2450, years[2]));
series3.getData().add(new XYChart.Data<Number,String>(800, years[0]));
series3.getData().add(new XYChart.Data<Number,String>(1000, years[1]));
series3.getData().add(new XYChart.Data<Number,String>(2800, years[2]));
bc.getData().add(series1);
bc.getData().add(series2);
bc.getData().add(series3);
return bc;
}
protected BarChart<String, Number> createChart() {
final String[] years = {"2007", "2008", "2009"};
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis();
yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis,"$",null));
final BarChart<String,Number> bc = new BarChart<String,Number>(xAxis,yAxis);
// setup chart
bc.setTitle("Advanced Bar Chart");
xAxis.setLabel("Year");
xAxis.setCategories(FXCollections.<String>observableArrayList(Arrays.asList(years)));
yAxis.setLabel("Price");
// add starting data
XYChart.Series<String,Number> series1 = new XYChart.Series<String,Number>();
series1.setName("Data Series 1");
XYChart.Series<String,Number> series2 = new XYChart.Series<String,Number>();
series2.setName("Data Series 2");
XYChart.Series<String,Number> series3 = new XYChart.Series<String,Number>();
series3.setName("Data Series 3");
// create sample data
series1.getData().add(new XYChart.Data<String,Number>(years[0], 567));
series1.getData().add(new XYChart.Data<String,Number>(years[1], 1292));
series1.getData().add(new XYChart.Data<String,Number>(years[2], 2180));
series2.getData().add(new XYChart.Data<String,Number>(years[0], 956));
series2.getData().add(new XYChart.Data<String,Number>(years[1], 1665));
series2.getData().add(new XYChart.Data<String,Number>(years[2], 2450));
series3.getData().add(new XYChart.Data<String,Number>(years[0], 800));
series3.getData().add(new XYChart.Data<String,Number>(years[1], 1000));
series3.getData().add(new XYChart.Data<String,Number>(years[2], 2800));
bc.getData().add(series1);
bc.getData().add(series2);
bc.getData().add(series3);
return bc;
}
protected BarChart<String, Number> createChart() {
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis(0,50,10);
final BarChart<String,Number> bc = new BarChart<String,Number>(xAxis,yAxis);
bc.setId("barAudioDemo");
bc.setLegendVisible(false);
bc.setAnimated(false);
bc.setBarGap(0);
bc.setCategoryGap(1);
bc.setVerticalGridLinesVisible(false);
// setup chart
bc.setTitle("Live Audio Spectrum Data");
xAxis.setLabel("Frequency Bands");
yAxis.setLabel("Magnitudes");
yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis,null,"dB"));
// add starting data
XYChart.Series<String,Number> series1 = new XYChart.Series<String,Number>();
series1.setName("Data Series 1");
//noinspection unchecked
series1Data = new XYChart.Data[128];
String[] categories = new String[128];
for (int i=0; i<series1Data.length; i++) {
categories[i] = Integer.toString(i+1);
series1Data[i] = new XYChart.Data<String,Number>(categories[i],50);
series1.getData().add(series1Data[i]);
}
bc.getData().add(series1);
return bc;
}
public void simpleBarChartByCountry(Stage stage) {
stage.setTitle("Bar Chart");
final BarChart<String, Number> barChart
= new BarChart<>(xAxis, yAxis);
barChart.setTitle("Country Summary");
xAxis.setLabel("Country");
yAxis.setLabel("Population");
series1.setName("1950");
addDataItem(series1, belgium, 8639369);
addDataItem(series1, france, 42518000);
addDataItem(series1, germany, 68374572);
addDataItem(series1, netherlands, 10113527);
addDataItem(series1, sweden, 7014005);
addDataItem(series1, unitedKingdom, 50127000);
series2.setName("1960");
addDataItem(series2, belgium, 9118700);
addDataItem(series2, france, 46584000);
addDataItem(series2, germany, 72480869);
addDataItem(series2, netherlands, 11486000);
addDataItem(series2, sweden, 7480395);
addDataItem(series2, unitedKingdom, 52372000);
series3.setName("1970");
addDataItem(series3, belgium, 9637800);
addDataItem(series3, france, 51918000);
addDataItem(series3, germany, 77783164);
addDataItem(series3, netherlands, 13032335);
addDataItem(series3, sweden, 8042803);
addDataItem(series3, unitedKingdom, 55632000);
Scene scene = new Scene(barChart, 800, 600);
barChart.getData().addAll(series1, series2, series3);
stage.setScene(scene);
stage.show();
}
private BarChart createBarChart() {
CategoryAxis xAxis = new CategoryAxis();
xAxis.setCategories(FXCollections.<String>observableArrayList(tableModel.getColumnNames()));
xAxis.setLabel("Year");
double tickUnit = tableModel.getTickUnit();
NumberAxis yAxis = new NumberAxis();
yAxis.setTickUnit(tickUnit);
yAxis.setLabel("Units Sold");
final BarChart chart = new BarChart(xAxis, yAxis, tableModel.getBarChartData());
tableModel.addTableModelListener(new TableModelListener() {
public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE) {
final int row = e.getFirstRow();
final int column = e.getColumn();
final Object value = ((SampleTableModel) e.getSource()).getValueAt(row, column);
Platform.runLater(new Runnable() {
public void run() {
XYChart.Series<String, Number> s = (XYChart.Series<String, Number>) chart.getData().get(row);
BarChart.Data data = s.getData().get(column);
data.setYValue(value);
}
});
}
}
});
return chart;
}
public ObservableList<BarChart.Series> getBarChartData() {
if (bcData == null) {
bcData = FXCollections.<BarChart.Series>observableArrayList();
for (int row = 0; row < getRowCount(); row++) {
ObservableList<BarChart.Data> series = FXCollections.<BarChart.Data>observableArrayList();
for (int column = 0; column < getColumnCount(); column++) {
series.add(new BarChart.Data(getColumnName(column), getValueAt(row, column)));
}
bcData.add(new BarChart.Series(series));
}
}
return bcData;
}
protected BarChart<String, Number> createChart() {
final String[] years = {"2007", "2008", "2009"};
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis();
yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis,"$",null));
final BarChart<String,Number> bc = new BarChart<String,Number>(xAxis,yAxis);
// setup chart
bc.setTitle("Advanced Bar Chart");
xAxis.setLabel("Year");
xAxis.setCategories(FXCollections.<String>observableArrayList(Arrays.asList(years)));
yAxis.setLabel("Price");
// add starting data
XYChart.Series<String,Number> series1 = new XYChart.Series<String,Number>();
series1.setName("Data Series 1");
XYChart.Series<String,Number> series2 = new XYChart.Series<String,Number>();
series2.setName("Data Series 2");
XYChart.Series<String,Number> series3 = new XYChart.Series<String,Number>();
series3.setName("Data Series 3");
// create sample data
series1.getData().add(new XYChart.Data<String,Number>(years[0], 567));
series1.getData().add(new XYChart.Data<String,Number>(years[1], 1292));
series1.getData().add(new XYChart.Data<String,Number>(years[2], 2180));
series2.getData().add(new XYChart.Data<String,Number>(years[0], 956));
series2.getData().add(new XYChart.Data<String,Number>(years[1], 1665));
series2.getData().add(new XYChart.Data<String,Number>(years[2], 2450));
series3.getData().add(new XYChart.Data<String,Number>(years[0], 800));
series3.getData().add(new XYChart.Data<String,Number>(years[1], 1000));
series3.getData().add(new XYChart.Data<String,Number>(years[2], 2800));
bc.getData().add(series1);
bc.getData().add(series2);
bc.getData().add(series3);
return bc;
}
protected BarChart<String, Number> createChart() {
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis(0,50,10);
final BarChart<String,Number> bc = new BarChart<String,Number>(xAxis,yAxis);
bc.setId("barAudioDemo");
bc.setLegendVisible(false);
bc.setAnimated(false);
bc.setBarGap(0);
bc.setCategoryGap(1);
bc.setVerticalGridLinesVisible(false);
// setup chart
bc.setTitle("Live Audio Spectrum Data");
xAxis.setLabel("Frequency Bands");
yAxis.setLabel("Magnitudes");
yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis,null,"dB"));
// add starting data
XYChart.Series<String,Number> series1 = new XYChart.Series<String,Number>();
series1.setName("Data Series 1");
//noinspection unchecked
series1Data = new XYChart.Data[128];
String[] categories = new String[128];
for (int i=0; i<series1Data.length; i++) {
categories[i] = Integer.toString(i+1);
series1Data[i] = new XYChart.Data<String,Number>(categories[i],50);
series1.getData().add(series1Data[i]);
}
bc.getData().add(series1);
return bc;
}
public final void initializeRankDistributionChart(){
xAxis = new CategoryAxis();
yAxis = new NumberAxis();
xAxis.setLabel("Rank");
xAxis.setTickLength(5);
yAxis.setTickLabelsVisible(false);
yAxis.setTickMarkVisible(false);
rankDistributionChart = new BarChart(xAxis,yAxis);
rankDistributionChart.setLegendVisible(false);
UIUtils.setSize(rankDistributionChart, Main.columnWidthRIGHT+5, 300);
rankDistributionChart.setCategoryGap(0);
}
@Override
protected XYChart<String, Number> createXYChart() {
final CategoryAxis xAxis = new CategoryAxis();
final NumberAxis yAxis = new NumberAxis();
final XYChart<String, Number> chart = new BarChart<String, Number>(xAxis, yAxis);
chart.getStyleClass().add("chart-extension");
return chart;
}
private BarChart<String, Number> createBarChart(String categoryLabel) {
// X-Axis category
CategoryAxis xAxis = new CategoryAxis();
xAxis.setLabel(categoryLabel);
// Y-Axis (%)
NumberAxis yAxis = new NumberAxis(0, 100, 10);
yAxis.setLabel(DesignerLocalizer.instance().getLangString("percent"));
yAxis.setAutoRanging(false);
yAxis.setUpperBound(100.0d);
yAxis.setLowerBound(0.0d);
// create bar chart
BarChart<String, Number> chBarChart = new BarChart<>(xAxis, yAxis);
chBarChart.setTitle(chartTitle);
chBarChart.setLegendVisible(false);
chBarChart.setAnimated(false);
chBarChart.getData().add(barChartSeries);
// add the points
double total = totalCount.doubleValue();
if (total > 0.0d) {
int count = 0;
for (ParetoItem paretoItem : paretoItems) {
if (count > TOP_N) {
break;
}
count++;
Float percentage = new Float(paretoItem.getValue().floatValue() / total * 100.0f);
XYChart.Data<String, Number> point = new XYChart.Data<>(paretoItem.getCategory(), percentage);
barChartSeries.getData().add(point);
}
}
// add listener for mouse click on bar
for (Series<String, Number> series : chBarChart.getData()) {
for (XYChart.Data<String, Number> item : series.getData()) {
item.getNode().setOnMouseClicked((MouseEvent event) -> {
onBarChartNodeSelected(item);
});
}
}
return chBarChart;
}
public void showColorData(ColorComponent component,
WebView view, BarChart barchart) {
try {
List<String> names = new ArrayList<>();
names.addAll(Arrays.asList(message("Value"), message("PixelsNumber"),
message("Percentage"), message("Color"),
message("Red"), message("Green"), message("Blue"), message("Opacity"),
message("Hue"), message("Brightness"), message("Saturation")
));
StringTable table = new StringTable(names, message(component.name()), 3);
long total = (long) (image.getWidth() * image.getHeight());
int[] histogram = data.histogram(component);
for (int i = histogram.length - 1; i >= 0; --i) {
List<String> row = new ArrayList<>();
java.awt.Color aColor = ImageStatistic.color(component, i);
int red = aColor.getRed();
int green = aColor.getGreen();
int blue = aColor.getBlue();
Color fColor = ImageColor.converColor(aColor);
row.addAll(Arrays.asList(i + "", histogram[i] + "",
(int) (histogram[i] * 100 / total) + "%",
fColor.toString(), red + " ", green + " ", blue + " ",
(int) Math.round(fColor.getOpacity() * 100) + "%",
Math.round(fColor.getHue()) + " ",
Math.round(fColor.getSaturation() * 100) + "%",
Math.round(fColor.getBrightness() * 100) + "%"
));
table.add(row);
}
final String html = StringTable.tableHtml(table);
view.getEngine().loadContent(html);
XYChart.Series series = new XYChart.Series();
for (int i = 0; i < histogram.length; ++i) {
series.getData().add(new XYChart.Data(i + "", histogram[i]));
}
series.setName(message(component.name()));
barchart.setAnimated(false);
barchart.getData().clear();
barchart.setAnimated(true);
barchart.getXAxis().setAnimated(false);
barchart.getData().add(series);
String colorString = FxmlColor.rgb2Hex(ImageColor.color(component));
for (Node n : barchart.lookupAll(".default-color0.chart-bar")) {
n.setStyle("-fx-bar-fill: " + colorString + "; ");
}
barchart.setLegendVisible(false);
} catch (Exception e) {
logger.error(e.toString());
}
}
public static void setBarChartColors(BarChart chart, boolean showLegend) {
List<String> palette = FxmlColor.randomColorsHex(chart.getData().size());
setBarChartColors(chart, palette, showLegend);
}
public static void setBarChartColors(BarChart chart, List<String> palette,
boolean showLegend) {
if (chart == null || palette == null) {
return;
}
List<XYChart.Series> seriesList = chart.getData();
if (seriesList == null
|| seriesList.size() > palette.size()) {
return;
}
for (int i = 0; i < seriesList.size(); i++) {
XYChart.Series series = seriesList.get(i);
if (series.getData() == null) {
continue;
}
for (int j = 0; j < series.getData().size(); j++) {
XYChart.Data item = (XYChart.Data) series.getData().get(j);
if (item.getNode() != null) {
String color = palette.get(i);
item.getNode().setStyle("-fx-bar-fill: " + color + ";");
}
}
}
chart.setLegendVisible(showLegend);
if (showLegend) {
Set<Node> legendItems = chart.lookupAll("Label.chart-legend-item");
if (legendItems.isEmpty()) {
return;
}
for (Node legendItem : legendItems) {
Label legendLabel = (Label) legendItem;
Node legend = legendLabel.getGraphic();
if (legend != null) {
for (int i = 0; i < seriesList.size(); i++) {
if (seriesList.get(i).getName().equals(legendLabel.getText())) {
legend.setStyle("-fx-background-color: " + palette.get(i));
break;
}
}
}
}
}
}