LineChart02.java

/**
 * Copyright 2015-2017 Knowm Inc. (http://knowm.org) and contributors.
 * Copyright 2011-2015 Xeiam LLC (http://xeiam.com) and contributors.
 *
 * 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 org.knowm.xchart.demo.charts.line;

import java.util.ArrayList;
import java.util.List;

import org.knowm.xchart.SwingWrapper;
import org.knowm.xchart.XYChart;
import org.knowm.xchart.XYChartBuilder;
import org.knowm.xchart.XYSeries;
import org.knowm.xchart.demo.charts.ExampleChart;
import org.knowm.xchart.style.colors.XChartSeriesColors;
import org.knowm.xchart.style.lines.SeriesLines;
import org.knowm.xchart.style.markers.SeriesMarkers;

/**
 * Sine wave with customized series style
 * <p>
 * * Demonstrates the following:
 * <ul>
 * <li>Customizing the series style properties
 */
public class LineChart02 implements ExampleChart<XYChart> {

  public static void main(String[] args) {

    ExampleChart<XYChart> exampleChart = new LineChart02();
    XYChart chart = exampleChart.getChart();
    new SwingWrapper<XYChart>(chart).displayChart();
  }

  @Override
  public XYChart getChart() {

    // Create Chart
    XYChart chart = new XYChartBuilder().width(800).height(600).build();

    // Customize Chart
    chart.getStyler().setChartTitleVisible(false);
    chart.getStyler().setLegendVisible(false);

    // generates sine data
    int size = 30;
    List<Integer> xData = new ArrayList<Integer>();
    List<Double> yData = new ArrayList<Double>();
    for (int i = 0; i <= size; i++) {
      double radians = (Math.PI / (size / 2) * i);
      xData.add(i - size / 2);
      yData.add(-.000001 * Math.sin(radians));
    }

    // generates cos data
    List<Integer> xData2 = new ArrayList<Integer>();
    List<Double> yData2 = new ArrayList<Double>();
    for (int i = 0; i <= size; i++) {
      double radians = (Math.PI / (size / 2) * i);
      xData2.add(i - size / 2);
      yData2.add(-.000001 * Math.cos(radians));
    }

    // Series
    XYSeries series = chart.addSeries("y=sin(x)", xData, yData);
    series.setLineColor(XChartSeriesColors.PURPLE);
    series.setLineStyle(SeriesLines.DASH_DASH);
    series.setMarkerColor(XChartSeriesColors.GREEN);
    series.setMarker(SeriesMarkers.SQUARE);

    series = chart.addSeries("y=cos(x)", xData2, yData2);
    series.setLineColor(XChartSeriesColors.PINK);
    series.setLineWidth(5);
    series.setMarker(SeriesMarkers.NONE);

    return chart;
  }
}