public static JFreeChart createChartZhu(IntervalXYDataset dataset) {
JFreeChart chart =
ChartFactory.createXYBarChart(
"时间段内车辆出入统计柱形图", // title
"数据日期从" + min + "到" + max,
true, // x-axis label
"车辆出入数量", // y-axis label
dataset,
PlotOrientation.VERTICAL, // data
true, // create legend?
true, // generate tooltips?
false // generate URLs?
);
chart.setBackgroundPaint(Color.white);
chart.getTitle().setFont(new Font("宋体", Font.BOLD, 15));
// chart.getCategoryPlot().getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.UP_45);
XYPlot plot2 = (XYPlot) chart.getPlot();
plot2.setBackgroundPaint(Color.lightGray);
plot2.setDomainGridlinePaint(Color.white);
plot2.setRangeGridlinePaint(Color.white);
plot2.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); // 设定坐标轴与图表数据显示部分距离
plot2.setDomainCrosshairVisible(true);
plot2.setRangeCrosshairVisible(true);
plot2.getRangeAxis().setLabelFont(new Font("宋体", Font.BOLD, 15));
// 横轴框里的标题字体
chart.getLegend().setItemFont(new Font("宋体", Font.ITALIC, 10));
// 横轴列表字体
plot2.getDomainAxis().setTickLabelFont(new Font("新宋体", 1, 10));
// 横轴小标题字体
plot2.getDomainAxis().setLabelFont(new Font("新宋体", 1, 10));
plot2.setNoDataMessage("没有数据");
plot2.setBackgroundAlpha(0.5f);
XYBarRenderer xyBarRender = new XYBarRenderer();
xyBarRender.setMargin(0.5); // 设置柱形图之间的间隔
GradientPaint gradientpaint1 =
new GradientPaint(0.0F, 0.0F, Color.black, 0.0F, 0.0F, new Color(0, 0, 64));
GradientPaint gradientpaint3 =
new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(64, 0, 0));
xyBarRender.setSeriesPaint(0, gradientpaint1);
xyBarRender.setSeriesPaint(1, gradientpaint3);
xyBarRender.setSeriesVisibleInLegend(1, true, true);
xyBarRender.setBarAlignmentFactor(0.5);
xyBarRender.setDrawBarOutline(false);
xyBarRender.setSeriesStroke(
0,
new BasicStroke(
2.0f,
BasicStroke.CAP_ROUND,
BasicStroke.JOIN_ROUND,
1.0f,
new float[] {10.0f, 6.0f},
0.0f));
xyBarRender.setSeriesStroke(
1,
new BasicStroke(
5.0f,
BasicStroke.CAP_SQUARE,
BasicStroke.JOIN_ROUND,
5.0f,
new float[] {15.0f, 10.0f},
10.0f));
plot2.setRenderer(xyBarRender);
ClusteredXYBarRenderer clusteredxybarrenderer = new ClusteredXYBarRenderer(0.001D, false);
plot2.setRenderer(clusteredxybarrenderer);
// CategoryAxis横抽，通过getDomainAxis取得，NumberAxis纵轴，通过getRangeAxis取得。
DateAxis axis = (DateAxis) plot2.getDomainAxis();
// axis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM-dd"));
if (type == 0) // type = 0则以1天为横轴最小坐标，为1则以1月为横轴最小坐标
{
axis.setDateFormatOverride(new SimpleDateFormat("dd")); // 设置时间格式
axis.setTickUnit(new DateTickUnit(DateTickUnit.DAY, 1));
} else {
axis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM"));
axis.setTickUnit(new DateTickUnit(DateTickUnit.MONTH, 1));
}
axis.setLabelFont(new Font("黑体", Font.TRUETYPE_FONT, 12));
// axis.setLabelAngle(0.85);
axis.setAutoTickUnitSelection(false); // 时间轴的数据标签是否自动确
// ItemLabelPosition itemlabelposition = new
// ItemLabelPosition(ItemLabelAnchor.INSIDE12,TextAnchor.CENTER_RIGHT,TextAnchor.CENTER_RIGHT,
// -1.57D);
// 下面这一块是用来设置轴的时间间隔的，可能会出现，出错时可以简单设处日期就行了
// 设置X轴间隔的另一种方法更好不出错
int a = 1;
a = (int) (daycount / 10) + 1;
// axis.setTickUnit(new DateTickUnit(DateTickUnit.DAY,a));
// axis.setLabelAngle(0.45);
// axis.setLabelInsets(, true);
NumberAxis numberaxis = (NumberAxis) plot2.getRangeAxis();
numberaxis.setAxisLineVisible(false); // 是否显示纵坐标
numberaxis.setTickMarksVisible(false); // 是否显示坐标标尺
numberaxis.setAutoRangeIncludesZero(false); // 是否自动包含0起点? 默认为true
numberaxis.setAutoTickUnitSelection(false); // 数据轴的数据标签是否自动确定
int space_y = (int) ((highValue_Y * 1.1 - minValue_Y * 0.9) / 10);
if (space_y == 0) space_y = 1;
System.out.println("spacespace sapce space" + space_y);
numberaxis.setTickUnit(new NumberTickUnit(space_y)); // 设置刻度显示的密度
numberaxis.setAutoRangeMinimumSize(2D);
return chart;
}
public Drawable createChart(ADCDataset dataset, Dimension dimension) {
JFreeChart chart =
ChartFactory.createBarChart(
"", // chart title
"", // domain axis label
"", // range axis label
dataset, // data
PlotOrientation.VERTICAL, // the plot orientation
false, // legend
false, // tooltips
false // urls
);
TextTitle textTitle = new TextTitle(dataset.get(Attribute.TITLE), TITLE_FONT);
textTitle.setPadding(new RectangleInsets(10, 0, 0, 0));
chart.setTitle(textTitle);
chart.addLegend(createLegend(dataset.getRowKey(0).toString(), dataset.getRowKey(1).toString()));
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setBackgroundPaint(Color.white);
plot.setOutlineVisible(false);
plot.setAxisOffset(new RectangleInsets(0, 0, 0, 0));
plot.setDomainGridlinesVisible(false);
plot.setRangeGridlinesVisible(true);
plot.setRangeGridlinePaint(Color.gray);
plot.setRangeGridlineStroke(new BasicStroke(2));
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setAutoTickUnitSelection(true);
rangeAxis.setTickUnit(new NumberTickUnit(0.2, percentFormatter()));
rangeAxis.setAxisLineVisible(true);
rangeAxis.setLabel(dataset.get(Attribute.Y_AXIS_LABEL));
rangeAxis.setAxisLineStroke(new BasicStroke(2));
rangeAxis.setAxisLinePaint(Color.black);
rangeAxis.setTickMarksVisible(false);
rangeAxis.setLabelPaint(AXIS_LABEL_COLOR);
rangeAxis.setLabelFont(AXIS_LABEL_FONT);
rangeAxis.setLabelInsets(new RectangleInsets(0, 0, 0, 0));
rangeAxis.setUpperMargin(0);
rangeAxis.setAutoRange(false);
rangeAxis.setRange(0, 1);
CategoryAxis cAxis = plot.getDomainAxis();
cAxis.setTickMarksVisible(false);
cAxis.setAxisLinePaint(Color.black);
cAxis.setAxisLineStroke(new BasicStroke(2));
cAxis.setLabel(dataset.get(Attribute.X_AXIS_LABEL));
cAxis.setTickLabelsVisible(true);
cAxis.setUpperMargin(0.05);
cAxis.setLowerMargin(0.05);
cAxis.setTickLabelFont(CAXIS_LABEL_FONT);
cAxis.setTickLabelPaint(Color.black);
CustomBarRenderer renderer = new CustomBarRenderer();
plot.setRenderer(renderer);
renderer.setDrawBarOutline(false);
renderer.setBaseItemLabelsVisible(false);
renderer.setShadowVisible(false);
renderer.setBarPainter(new StandardBarPainter());
renderer.setMaximumBarWidth(0.08);
renderer.setItemMargin(0.01);
return new JFreeChartDrawable(chart, dimension);
}