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JFreeChart-グリッドを表示しないようにする

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目次 ⇒ JFreeChartサンプル

package jp.avaj.lib.chart;

import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

import jp.avaj.lib.algo.ArUtil;

/**
■ JFreeChart-グリッドを表示しないようにする

 */
public class Chart18_01 {

  public static void main(String[] args) {
    // 表示データを生成
    XYDataset dataset = createDataset();
    // 軸を生成
    ValueAxis xAxis = new NumberAxis();
    ValueAxis yAxis = new NumberAxis();
    // レンダラ ⇒ これが全体のレンダラになる
    XYItemRenderer renderer = new StandardXYItemRenderer();
    // Plotを生成してチャートを表示する
    XYPlot xyPlot = new XYPlot(dataset,xAxis,yAxis,renderer);
    JFreeChart jfreeChart = new JFreeChart("Grid-Line",(Plot)xyPlot);
    ChartFrame cFrame = new ChartFrame("Grid-Line",(JFreeChart)jfreeChart);
    cFrame.pack();
    cFrame.setVisible(true);

    // 目で確認するために少し休む
    ArUtil.sleep(4000);

    // グリッドを表示しないようにする
    xyPlot.setDomainGridlinesVisible(false);
    xyPlot.setRangeGridlinesVisible(false);
  }

  private static XYDataset createDataset() {
    XYSeriesCollection dataset = new XYSeriesCollection();
    // 一本目
    XYSeries xySeries = new XYSeries("data-0");
    for (int j=0; j<10; j++) {
    xySeries.add(j,j+Math.random()*4.0D);
    }
    dataset.addSeries(xySeries);
    // 二本目
    xySeries = new XYSeries("data-1");
    for (int j=0; j<10; j++) {
    xySeries.add(j,9-j+Math.random()*4.0D);
    }
    dataset.addSeries(xySeries);
    return dataset;
  }
}

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