added sample class

xchart-demo/src/main/java/com/xeiam/xchart/demo/XChartDemo.java

@@ -48,6 +48,7 @@ import com.xeiam.xchart.demo.charts.line.LineChart02;
 import com.xeiam.xchart.demo.charts.line.LineChart03;
 import com.xeiam.xchart.demo.charts.line.LineChart04;
 import com.xeiam.xchart.demo.charts.line.LineChart05;
+import com.xeiam.xchart.demo.charts.line.LineChart06;
 import com.xeiam.xchart.demo.charts.scatter.ScatterChart01;
 import com.xeiam.xchart.demo.charts.scatter.ScatterChart02;
 import com.xeiam.xchart.demo.charts.scatter.ScatterChart03;
@@ -169,6 +170,9 @@ public class XChartDemo extends JPanel implements TreeSelectionListener {
     chart = new DefaultMutableTreeNode(new ChartInfo("LineChart05 - Scatter and Line", new LineChart05().getChart()));
     category.add(chart);
 
+    chart = new DefaultMutableTreeNode(new ChartInfo("LineChart06 - Logarithmic Y-Axis with Error Bars", new LineChart06().getChart()));
+    category.add(chart);
+
     // Scatter category
     category = new DefaultMutableTreeNode("Scatter Charts");
     top.add(category);

xchart-demo/src/main/java/com/xeiam/xchart/demo/charts/line/LineChart06.java

+/**
+ * Copyright 2013 Xeiam LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.xeiam.xchart.demo.charts.line;
+
+import java.awt.Color;
+
+import com.xeiam.xchart.Chart;
+import com.xeiam.xchart.Series;
+import com.xeiam.xchart.SeriesLineStyle;
+import com.xeiam.xchart.SeriesMarker;
+import com.xeiam.xchart.SwingWrapper;
+import com.xeiam.xchart.demo.charts.ExampleChart;
+
+/**
+ * Logarithmic Y-Axis with Error Bars
+ * <p>
+ * Demonstrates the following:
+ * <ul>
+ * <li>Error Bars
+ * <li>Logarithmic Y-Axis
+ * <li>Setting min and max values for Y-Axis
+ */
+public class LineChart06 implements ExampleChart {
+
+  public static void main(String[] args) {
+
+    ExampleChart exampleChart = new LineChart06();
+    Chart chart = exampleChart.getChart();
+    new SwingWrapper(chart).displayChart();
+  }
+
+  @Override
+  public Chart getChart() {
+
+    double[] xData = new double[] { 0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 };
+
+    double[] yData1 = new double[] { 100, 100, 100, 60, 10, 10, 10 };
+
+    double[] errdata = new double[] { 50, 20, 10, 52, 9, 2, 1 };
+
+    Chart chart = new Chart(800, 600);
+
+    chart.getStyleManager().setYAxisLogarithmic(true);
+
+    chart.getStyleManager().setYAxisMin(.08);
+
+    chart.getStyleManager().setYAxisMax(1000);
+
+    chart.getStyleManager().setErrorBarsColor(Color.black);
+
+    Series series1 = chart.addSeries("Error bar test data", xData, yData1, errdata);
+
+    series1.setLineStyle(SeriesLineStyle.SOLID);
+
+    series1.setMarker(SeriesMarker.DIAMOND);
+
+    series1.setMarkerColor(Color.MAGENTA);
+
+    return chart;
+  }
+
+}