make tic labels optional for bar charts

pdb-plotting/src/main/java/org/lucares/pdb/plot/api/BarChartHandler.java

@@ -56,7 +56,7 @@ public class BarChartHandler extends AggregateHandler {
         appendln(result, barAggregator.asCsv(settings.isRenderLabels()));
         appendln(result, "EOD");
 
-        if (settings.isRenderLabels()) {
+        if (settings.isRenderLabels() && settings.isRenderBarChartTickLabels()) {
             appendfln(result, barAggregator.renderLabels(getxAxis()));
         }
 

pdb-plotting/src/main/java/org/lucares/pdb/plot/api/PlotSettings.java

@@ -45,6 +45,8 @@ public class PlotSettings {
 
     private Interval interval;
 
+    private boolean renderBarChartTickLabels;
+
     public String getQuery() {
         return query;
     }
@@ -197,4 +199,12 @@ public class PlotSettings {
         this.interval = interval;
     }
 
+    public boolean isRenderBarChartTickLabels() {
+        return renderBarChartTickLabels;
+    }
+
+    public void setRenderBarChartTickLabels(final boolean renderBarChartTickLabels) {
+        this.renderBarChartTickLabels = renderBarChartTickLabels;
+    }
+
 }

pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotSettings.java

@@ -35,6 +35,7 @@ public class GnuplotSettings {
     private AxisSettings xAxisSettings = new AxisSettings();
     private boolean renderLabels = true;
     private DateTimeRange dateTimeRange;
+    private boolean renderBarChartTickLabels;
 
     public GnuplotSettings(final Path output) {
         this.output = output;
@@ -151,6 +152,14 @@ public class GnuplotSettings {
         }
     }
 
+    public boolean isRenderBarChartTickLabels() {
+        return renderBarChartTickLabels;
+    }
+
+    public void setRenderBarChartTickLabels(final boolean renderBarChartTickLabels) {
+        this.renderBarChartTickLabels = renderBarChartTickLabels;
+    }
+
     // plot 'sample.txt' using 1:2 title 'Bytes' with linespoints 2
 
 }

pdb-plotting/src/main/java/org/lucares/recommind/logs/Plotter.java

@@ -113,6 +113,7 @@ public class Plotter {
 
                 gnuplotSettings.setAggregates(plotSettings.getAggregates());
                 gnuplotSettings.setKeyOutside(plotSettings.isKeyOutside());
+                gnuplotSettings.setRenderBarChartTickLabels(plotSettings.isRenderBarChartTickLabels());
                 gnuplot.plot(gnuplotSettings, dataSeries);
             }