LivePlot Viz:

Now with correct time representation on y-Axis (H:m:s)
Now showing 0 as 0 (and not 0.000000) ;)


(cherry picked from commit dd8884a6)

src/de/tud/kom/p2psim/impl/topology/views/visualization/ui/XYChart.java

@@ -27,7 +27,9 @@ import java.text.DecimalFormat;
 import java.text.FieldPosition;
 import java.text.NumberFormat;
 import java.text.ParsePosition;
-
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
 import org.jfree.chart.ChartFactory;
 import org.jfree.chart.ChartPanel;
 import org.jfree.chart.ChartRenderingInfo;
@@ -48,8 +50,14 @@ import org.jfree.data.xy.YIntervalSeriesCollection;
  * Assists in creating a very simple XYSeries plot. It basically
  * just holds a reference to the JFreeChart, ChartPanel and the dataset.
  * 
- * @author Fabio Zöllner
- * @version 1.0, 30.07.2012
+ * -----------------
+ * UPDATE (JZ): 
+ * - Implemented a new {@link NumberFormat} to correctly show the time in H:m:s on the y/time-axis {@link TimeFormat}.
+ * - Added a new {@link NumberTickUnit} to represent 0 as 0 (and not 0.0000000).
+ * 
+ * @author Fabio Zöllner, Julian Zobel
+ * @version 1.1, 27.09.2018 
+ * 
  */
 public class XYChart {
 	private JFreeChart chart;
@@ -70,28 +78,24 @@ public class XYChart {
 		XYPlot plot = (XYPlot) chart.getPlot();
 		plot.setBackgroundPaint(plotBackgroundColor);
 		
-		NumberAxis axis = ((NumberAxis)plot.getRangeAxis());
-
-		//axis.setLabelInsets(insets);
-		//axis.setAutoRange(false);
-		//axis.setRange(0, 900);
-		
-		//((NumberAxis)plot.getRangeAxis()).setNumberFormatOverride(new TruncatingNumberFormater());
+		// set x-Axis tick units
+		NumberAxis axis = ((NumberAxis) plot.getRangeAxis());
 		axis.setStandardTickUnits(createTickUnitSource());
 		
-		//NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
-		//rangeAxis.setStandardTickUnits(createTickUnitSource()); //NumberAxis.createIntegerTickUnits());
-		//rangeAxis.setLabelFont(new Font("monospace", Font.PLAIN, 9));
-		//plot.getRangeAxis(0).setUpperMargin(10);
-		//plot.getRangeAxis(0).setLowerMargin(10);
-		
-		// LegendItemCollection lic = new LegendItemCollection();
-		// lic.add(new LegendItem("Reference Value", Color.blue));
-		// lic.add(new LegendItem("Avg. Monitored Value", Color.red));
-
-		// plot.setFixedLegendItems(lic);
-		//plot.setFixedLegendItems(new LegendItemCollection());
-		
+		// set y-Axis (time!) tick units
+		NumberAxis y = ((NumberAxis) plot.getDomainAxis());
+		TickUnits units = new TickUnits();
+		TimeFormat tf = new TimeFormat();
+		units.add(new NumberTickUnit(1, tf));
+		units.add(new NumberTickUnit(10, tf));
+		units.add(new NumberTickUnit(100, tf));
+	    units.add(new NumberTickUnit(1000, tf));
+	    units.add(new NumberTickUnit(10000, tf));
+	    units.add(new NumberTickUnit(100000, tf));
+	    units.add(new NumberTickUnit(1000000, tf));	      
+		y.setStandardTickUnits(units);
+				
+		//
 		DeviationRenderer errorRenderer = new DeviationRenderer(true, true);
 		errorRenderer.setSeriesStroke(0, new BasicStroke(3F, 1, 1));
         errorRenderer.setSeriesStroke(1, new BasicStroke(3F, 1, 1));
@@ -102,13 +106,7 @@ public class XYChart {
         errorRenderer.setSeriesPaint(0, new Color(255, 0, 0));
         errorRenderer.setSeriesPaint(1, new Color(0, 0, 255));
 		errorRenderer.setSeriesPaint(2, new Color(0, 255, 0));
-		//errorRenderer.setShapesVisible(false);
-		//errorRenderer.setLinesVisible(true);
-		//errorRenderer.setAlpha(0.0f);
-		// errorRenderer.setDrawYError(false);
-		// errorRenderer.setDrawXError(false);
-		
-		
+			
 		plot.setRenderer(errorRenderer);
 		
 		chartPanel = new ChartPanel(chart, false);
@@ -134,22 +132,31 @@ public class XYChart {
 		return plot.getDomainAxis();
 	}
 	
-	private static class TruncatingNumberFormater extends NumberFormat {
+	private static class TimeFormat extends NumberFormat {
+
+		public TimeFormat() {
+			super();
+		}
+
 		@Override
-		public StringBuffer format(double number, StringBuffer toAppendTo, FieldPosition pos) {
-			// TODO Auto-generated method stub
-			return null;
+		public StringBuffer format(double number, StringBuffer toAppendTo,
+				FieldPosition pos) {
+			return this.format((long)number, toAppendTo, pos);
 		}
 
 		@Override
-		public StringBuffer format(long number, StringBuffer toAppendTo, FieldPosition pos) {
-			// TODO Auto-generated method stub
-			return null;
+		public StringBuffer format(long number, StringBuffer toAppendTo,
+				FieldPosition pos) {
+			
+			DateTimeFormatter formatter = DateTimeFormatter.ofPattern("H:mm:ss").withZone((ZoneId.of("UTC")));
+			Instant instant = Instant.ofEpochMilli(number * 1000);
+			String time = formatter.format(instant);
+			return toAppendTo.append(time);		
 		}
 
 		@Override
-		public Number parse(String source, ParsePosition pos) {
-			return null;
+		public Number parse(String source, ParsePosition parsePosition) {
+			return Double.valueOf(source);
 		}
 		
 	}
@@ -168,6 +175,8 @@ public class XYChart {
         DecimalFormat df8 = new DecimalFormat("#,##0");
         DecimalFormat df9 = new DecimalFormat("#,###,##0");
         DecimalFormat df10 = new DecimalFormat("#,###,###,##0");
+            
+        units.add(new NumberTickUnit(0.00000001, new DecimalFormat("0")));
         
         // we can add the units in any order, the TickUnits collection will 
         // sort them...