focus the simulation's chart on the range of interest

gradle/libs.versions.toml

@@ -64,7 +64,7 @@ junit-testng = "1.0.5"
 junit4 = "4.13.2"
 junit5 = "5.11.0"
 jvm-dependency-conflict-resolution = "2.1.2"
-kotlin = "2.0.10"
+kotlin = "2.0.20"
 lincheck = "2.33"
 mockito = "5.12.0"
 nexus-publish = "2.0.0"

simulator/src/main/java/com/github/benmanes/caffeine/cache/simulator/report/csv/PlotCsv.java

@@ -39,6 +39,7 @@
 import org.jfree.chart.plot.CategoryPlot;
 import org.jfree.chart.plot.DefaultDrawingSupplier;
 import org.jfree.chart.ui.RectangleInsets;
+import org.jfree.data.Range;
 import org.jfree.data.category.CategoryDataset;
 import org.jfree.data.category.DefaultCategoryDataset;
 
@@ -109,11 +110,30 @@ private void configurePlot(JFreeChart chart) {
  configureAxis(plot.getRangeAxis());
  configureGrid(plot);
 
+ plot.getRangeAxis().setAutoRange(false);
+ plot.getRangeAxis().setRange(calculateRange(plot));
+
  for (int i = 0; i < plot.getCategories().size(); i++) {
  plot.getRenderer().setSeriesStroke(i, new BasicStroke(3.0f));
  }
  }
 
+ private Range calculateRange(CategoryPlot plot) {
+ double upperBound = 0;
+ double lowerBound = 100;
+ for (int series = 0; series < plot.getDataset().getRowCount(); series++) {
+ for (int item = 0; item < plot.getDataset().getColumnCount(); item++) {
+ var value = plot.getDataset().getValue(series, item);
+ if (value != null) {
+ lowerBound = Math.min(lowerBound, value.doubleValue());
+ upperBound = Math.max(upperBound, value.doubleValue());
+ }
+ }
+ }
+ double margin = 0.1 * (upperBound - lowerBound);
+ return new Range(Math.max(0, lowerBound - margin), Math.min(100, upperBound + margin));
+ }
+
  private void applyTheme(JFreeChart chart) {
  var theme = (StandardChartTheme) StandardChartTheme.createJFreeTheme();
  theme.setDrawingSupplier(new DefaultDrawingSupplier(getWheelColors(),