1.라인 그래프
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CombinedDomainXYPlot plot = new CombinedDomainXYPlot(new DateAxis("Time"));
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setForegroundAlpha(0.5f);
plot.setBackgroundAlpha(0.5f);
TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(new TimeSeries("Speed1", Millisecond.class));
dataset.addSeries(new TimeSeries("Speed2", Millisecond.class));
NumberAxis axisY = new NumberAxis("ms");
axisY.setAutoRangeIncludesZero(false);
axisY.setRange(0, 100);
XYPlot subplot = new XYPlot(dataset, null, axisY, new StandardXYItemRenderer());
subplot.setBackgroundPaint(Color.lightGray);
subplot.setDomainGridlinePaint(Color.white);
subplot.setRangeGridlinePaint(Color.white);
plot.add(subplot);
// 시작지점을 0 으로 초기화
Calendar cal = Calendar.getInstance();
cal.setTime(now.getTime());
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
dataset.getSeries(0).add(new Millisecond(cal.getTime()), 0);
dataset.getSeries(1).add(new Millisecond(cal.getTime()), 0);
// 아래와 같이 datas에 데이터를 그래프로써 추가
for (int i=0; i<datas.length; i++) {
dataset.getSeries(0).add(new Millisecond(now.getTime()), datas[i].value1);
dataset.getSeries(1).add(new Millisecond(now.getTime()), datas[i].value2);
}
// JFreeChart로 그래프 본체 생성
JFreeChart chart = new JFreeChart("GRAPH TITLE", plot);
chart.setBorderPaint(Color.black);
chart.setBorderVisible(true);
chart.setBackgroundPaint(Color.white);
// 범례
LegendTitle legend = chart.getLegend();
legend.setBackgroundPaint(Color.white);
legend.setMargin(10d, 10d, 10d, 10d);
// 이미지 파일로 저장하기
File pngFile = new File("output.png");
ChartUtilities.saveChartAsPNG(pngFile, chart, 800, 600); |
2.원형 그래프
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DefaultPieDataset pieDataset = new DefaultPieDataset();
Set<String> keys = new TreeSet<String>(countByOSType.keySet());
for (String k : keys) {
pieDataset.setValue(k, new Double(countByOSType.get(k)));
}
JFreeChart pieChart = ChartFactory.createPieChart3D("GRAPH TITLE", pieDataset, true, true, false);
/*
* // 3D PIE PiePlot3D localPiePlot3D = (PiePlot3D)pieChart.getPlot();
* localPiePlot3D.setDarkerSides(true);
* localPiePlot3D.setStartAngle(290.0D);
* localPiePlot3D.setDirection(Rotation.CLOCKWISE);
* localPiePlot3D.setForegroundAlpha(0.5F);
*/
// 2D PIE
pieChart.setBackgroundPaint(new GradientPaint(new Point(0, 0), new Color(20, 20, 20), new Point(400, 200), Color.DARK_GRAY));
// GRAPH TITLE
TextTitle graphTitle = pieChart.getTitle();
graphTitle.setHorizontalAlignment(HorizontalAlignment.CENTER);
graphTitle.setPaint(new Color(240, 240, 240));
graphTitle.setFont(new Font("Meiryo UI", 1, 26));
// GRAPH VISUAL
PiePlot localPiePlot = (PiePlot) pieChart.getPlot();
localPiePlot.setBackgroundPaint(null);
localPiePlot.setInteriorGap(0.04D);
localPiePlot.setOutlineVisible(false);
// localPiePlot.setSectionPaint("Android", new RadialGradientPaint(new
// Point2D.Float(0.0F, 0.0F), 200.0F, new float[]{ 0.0F, 1.0F }, new
// Color[] { new Color(200, 200, 255), Color.BLUE }));
// localPiePlot.setSectionPaint("iPhone", new RadialGradientPaint(new
// Point2D.Float(0.0F, 0.0F), 200.0F, new float[]{ 0.0F, 1.0F }, new
// Color[] { new Color(200, 200, 255), Color.RED }));
localPiePlot.setBaseSectionOutlinePaint(Color.WHITE);
localPiePlot.setSectionOutlinesVisible(true);
localPiePlot.setBaseSectionOutlineStroke(new BasicStroke(2.0F));
// LABEL
PieSectionLabelGenerator generator = new StandardPieSectionLabelGenerator("{0}: {1} ({2})", new DecimalFormat("0"), new DecimalFormat("0.0%"));
localPiePlot.setLabelGenerator(generator);
localPiePlot.setLabelFont(new Font("Meiryo UI", 1, 15));
localPiePlot.setLabelLinkPaint(Color.WHITE);
// localPiePlot.setLabelLinkStroke(new BasicStroke(2.0F));
localPiePlot.setLabelOutlineStroke(null);
localPiePlot.setLabelPaint(Color.WHITE);
localPiePlot.setLabelBackgroundPaint(null);
// GRAPH COMMENT
TextTitle graphCommentText = new TextTitle("Source: http://jo.centis1504.net", new Font("Meiryo UI", 0, 12));
graphCommentText.setPaint(Color.WHITE);
graphCommentText.setPosition(RectangleEdge.BOTTOM);
graphCommentText.setHorizontalAlignment(HorizontalAlignment.RIGHT);
pieChart.addSubtitle(graphCommentText);
// save
File pngFile = new File("output.png");
ChartUtilities.saveChartAsPNG(pngFile, pieChart, 800, 600); |
文字化けしないようにする
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ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme()); |