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add labels to bar chart

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This commit is contained in:
Andreas Huber
2020-01-26 12:58:37 +01:00
parent 459c659f85
commit 3cb7ec434f
5 changed files with 20 additions and 6 deletions
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2
pdb-plotting/src/main/java/org/lucares/pdb/plot/api/AggregateHandler.java
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@@ -57,7 +57,7 @@ public abstract class AggregateHandler implements Appender {
abstract CustomAggregator createCustomAggregator(Path tmpDir, PlotSettings plotSettings, long fromEpochMilli,
long toEpochMilli);
String beforePlot(final CustomAggregator aggregator) {
String beforePlot(final CustomAggregator aggregator, final GnuplotSettings settings) {
return "";
}

5
pdb-plotting/src/main/java/org/lucares/pdb/plot/api/AggregateHandlerCollection.java
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@@ -93,7 +93,8 @@ public class AggregateHandlerCollection {
return new AggregatorCollection(aggregators);
}
public void addPlots(final StringBuilder result, final Collection<DataSeries> dataSeries) {
public void addPlots(final StringBuilder result, final Collection<DataSeries> dataSeries,
final GnuplotSettings settings) {
final StringBuilder plots = new StringBuilder();
final StringBuilder beforePlots = new StringBuilder();
@@ -116,7 +117,7 @@ public class AggregateHandlerCollection {
index++;
}
final String beforePlot = handler.beforePlot(aggregator);
final String beforePlot = handler.beforePlot(aggregator, settings);
beforePlots.append(beforePlot);
final String plot = handler.addPlot(aggregator, dataSerie.getStyle(), title);

6
pdb-plotting/src/main/java/org/lucares/pdb/plot/api/BarChartAggregator.java
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@@ -37,6 +37,10 @@ public class BarChartAggregator implements CustomAggregator, IndexedAggregator {
return this.index;
}
public long getCount() {
return count;
}
@Override
public void addValue(final boolean valueIsInYRange, final long epochMilli, final long value) {
count++;
@@ -45,7 +49,7 @@ public class BarChartAggregator implements CustomAggregator, IndexedAggregator {
public String asCsv() {
final StringBuilder csv = new StringBuilder();
csv.append(index + 0.5);
csv.append(getIndex() + 0.5);
csv.append(",");
csv.append("");
csv.append(",");

11
pdb-plotting/src/main/java/org/lucares/pdb/plot/api/BarChartHandler.java
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@@ -4,6 +4,7 @@ import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Locale;
import java.util.Optional;
import org.lucares.recommind.logs.AxisSettings;
@@ -68,7 +69,7 @@ public class BarChartHandler extends AggregateHandler {
}
@Override
String beforePlot(final CustomAggregator aggregator) {
String beforePlot(final CustomAggregator aggregator, final GnuplotSettings settings) {
final StringBuilder result = new StringBuilder();
final BarChartAggregator barAggregator = (BarChartAggregator) aggregator;
@@ -76,6 +77,14 @@ public class BarChartHandler extends AggregateHandler {
appendfln(result, "%s <<EOD", barAggregator.getDataName());
appendln(result, barAggregator.asCsv());
appendln(result, "EOD");
if (settings.isRenderLabels()) {
appendfln(result, "set label at %f, %d '%s' center front offset 0,0.3", // front
barAggregator.getIndex() + 0.5, //
barAggregator.getCount(), //
String.format(Locale.US, "%,d", barAggregator.getCount()));
}
return result.toString();
}

2
pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotFileGenerator.java
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@@ -67,7 +67,7 @@ public class GnuplotFileGenerator implements Appender {
// appendfln(result, "set xrange [-1:1]");
appendfln(result, "set boxwidth 0.5");
settings.getAggregates().addPlots(result, dataSeries);
settings.getAggregates().addPlots(result, dataSeries, settings);
// Add a plot outside of the visible range. Without this gnuplot would not
// render images when there are not data points on it.