CandlestickChart

 

Inhalt:

Optimale Datenstruktur (Datenbank):

Beschriftungminmaxopenclose
"Mon"51078
"Tue"51087
"Wen"612711
"Thu"713119
"Fri"713913

Optimale Objektstruktur (Java)

public class CandlestickChartObject {
	private String caption;
	private Double min;
	private Double max;
	private Double open;
	private Double close;

	public String getCaption() {
		return this.caption;
	}

	public void setCaption(final String caption) {
		this.caption = caption;
	}

	public Double getMin() {
		return this.min;
	}

	public void setMin(final Double min) {
		this.min = min;
	}

	public Double getMax() {
		return this.max;
	}

	public void setMax(final Double max) {
		this.max = max;
	}

	public Double getOpen() {
		return this.open;
	}

	public void setOpen(final Double open) {
		this.open = open;
	}

	public Double getClose() {
		return this.close;
	}

	public void setClose(final Double close) {
		this.close = close;
	}
}

Beispiel: Füllen der Daten

final ChartModel model = ChartModel.New()
	.addColumn(Column.New(Type.STRING, "caption", "Caption"))
	.addColumn(Column.New(Type.NUMBER, "min value", "Lunte"))
	.addColumn(Column.New(Type.NUMBER, "max value", "Docht"))
	.addColumn(Column.New(Type.NUMBER, "open value", "Eröffnung"))
	.addColumn(Column.New(Type.NUMBER, "close value", "Schluss"));
		
model.addRow("Mon", 5, 10, 7, 8);
model.addRow("Tue", 5, 10, 8, 7);
model.addRow("Wen", 6, 12, 7, 11);
model.addRow("Thu", 7, 13, 11, 9);
model.addRow("Fri", 7, 13, 9, 13);

this.candlestickChart.setModel(model);

API und Methoden:

Properties
Orientation

The orientation of the chart. When set to'vertical', rotates the axes of the chart so that (for instance) a column chart becomes a bar chart, and an area chart grows rightward instead of up:

candlestick.setOrientation(Orientation.VERTICAL);