JFreeChart XYLineAndShapeRenderer 显示范围开始和结束之外不需要的值
JFreeChart XYLineAndShapeRenderer show unwanted vales outside range start and finish
我使用 XYLineAndShapeRenderer 使用 jfreechart 构建一个系列图,这个系列需要显示一个月中每一天的值,然后我需要 X 轴显示从 1 到 30 或 1 到 31 的值(取决于当前月份).数据集只有从 1 到 30/31 的 X 值,但结果图显示零(1 之前)和 31/32 之后(30/31)。我只想在 X 轴上显示 1 到 30/31。但我没有成功。以下显示了构建数据集和图形以及结果图像的代码。
在这种情况下,我如何才能在 X 轴上仅显示有效值?
// build dataset
private XYDataset createSampleData()
{
List<Integer> diario = new ArrayList<>(Arrays.asList(20, 50, 120, 78, 37, 69, 145));
int dSize = diario.size();
int dPos = 0;
XYSeries serieD = new XYSeries("Diário");
XYSeries serieA = new XYSeries("Acumulado");
int acumulado = 0;
for(int i=1; i < 31; i++) {
int valDay = diario.get(dPos++);
acumulado += valDay;
serieD.add(i, valDay);
serieA.add(i, acumulado);
if( dPos >= dSize ) {
dPos = 0;
}
}
XYSeriesCollection result = new XYSeriesCollection(serieD);
result.addSeries(serieA);
return result;
}
private JFreeChart buildSeriesChartBySeriesData(String title, String labelX, String labelY)
{
NumberAxis xAxis = new NumberAxis(labelX);
xAxis.setAutoRangeIncludesZero(false);
xAxis.setRangeType(RangeType.POSITIVE);
NumberAxis yAxis = new NumberAxis(labelY);
yAxis.setAutoRangeIncludesZero(false);
yAxis.setRangeType(RangeType.POSITIVE);
XYSplineRenderer renderer1 = new XYSplineRenderer();
XYPlot plot = new XYPlot(this.createSampleData(), xAxis, yAxis, renderer1);
plot.setDomainGridlinesVisible(true);
plot.setDomainZeroBaselineVisible(false);
plot.setDomainPannable(false);
plot.setBackgroundPaint(new Color(224, 224,235));
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
plot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
plot.setDomainPannable(false);
plot.setRangePannable(false);
plot.setDomainZeroBaselineVisible(false);
plot.setRangeZeroBaselineVisible(false);
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.yellow);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
XYLineAndShapeRenderer localXYLineAndShapeRenderer = (XYLineAndShapeRenderer) plot.getRenderer();
localXYLineAndShapeRenderer.setBaseShapesVisible(true);
localXYLineAndShapeRenderer.setBaseShapesFilled(true);
localXYLineAndShapeRenderer.setDrawOutlines(true);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// show item labels:
final XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator = new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
return chart;
}
下图我用timeSeries画的,结果一样,显示的是上个月的最后一天和下个月的第一天,我不想显示这个值。
我需要的结果是这样的图像(来自chartJs的示例):
如何从第一个顶部图表的结果中隐藏零和 31?
很久以后...
---- 很长一段时间后我自己制作了所需的图表 -----
此代码生成正确的图形:
private JFreeChart TimeSeriesChartExample()
{
XYDataset dataset = createSampleMonthData();
// Create chart
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Chart Example",
"Date",
"Values",
dataset, true, true, false);
// Changes background color
XYPlot plot = (XYPlot)chart.getPlot();
plot.setBackgroundPaint(new Color(224, 224,235));
XYSplineRenderer renderer1 = new XYSplineRenderer();
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.green);
plot.setRenderer(renderer1);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
// show item labels:
XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator = new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
DateAxis xAxis = (DateAxis)plot.getDomainAxis();
xAxis.setDateFormatOverride(new SimpleDateFormat("dd/MM/yy"));
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setVerticalTickLabels(true);
return chart;
}
这是结果图:
解决方法如下,我也贴上题体:
private JFreeChart TimeSeriesChartExample()
{
XYDataset dataset = createSampleMonthData();
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Chart Example",
"Date",
"Values",
dataset, true, true, false);
// Changes background color
XYPlot plot = (XYPlot)chart.getPlot();
plot.setBackgroundPaint(new Color(224, 224,235));
XYSplineRenderer renderer1 = new XYSplineRenderer();
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.green);
plot.setRenderer(renderer1);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator = new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
DateAxis xAxis = (DateAxis)plot.getDomainAxis();
xAxis.setDateFormatOverride(new SimpleDateFormat("dd/MM/yy"));
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setVerticalTickLabels(true);
return chart;
}
这是结果:
测试代码:
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.swing.JFrame;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYSplineRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.RectangleInsets;
import org.jfree.ui.TextAnchor;
/**
* @see
*/
public class ChartTest {
private void display() {
JFrame f = new JFrame("ChartTest");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new ChartPanel(createTimeSeriesChartExample()){
@Override
public Dimension getPreferredSize() {
return new Dimension(1000, 400);
}
});
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
private XYDataset createSampleMonthData() {
List<Integer> diario = new ArrayList<>(
Arrays.asList(20, 50, 120, 78, 37, 69, 145));
int dSize = diario.size();
int dPos = 0;
XYSeries serieD = new XYSeries("Diário");
XYSeries serieA = new XYSeries("Acumulado");
int acumulado = 0;
for (int i = 1; i < 31; i++) {
int valDay = diario.get(dPos++);
acumulado += valDay;
serieD.add(i, valDay);
serieA.add(i, acumulado);
if (dPos >= dSize) {
dPos = 0;
}
}
XYSeriesCollection result = new XYSeriesCollection(serieD);
result.addSeries(serieA);
return result;
}
private JFreeChart createTimeSeriesChartExample() {
XYDataset dataset = createSampleMonthData();
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Chart Example",
"Date",
"Values",
dataset, true, true, false);
// Changes background color
XYPlot plot = (XYPlot) chart.getPlot();
plot.setBackgroundPaint(new Color(224, 224, 235));
XYSplineRenderer renderer1 = new XYSplineRenderer();
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.green);
plot.setRenderer(renderer1);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(
ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator =
new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
DateAxis xAxis = (DateAxis) plot.getDomainAxis();
xAxis.setDateFormatOverride(new SimpleDateFormat("dd/MM/yy"));
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setVerticalTickLabels(true);
return chart;
}
public static void main(String[] args) {
EventQueue.invokeLater(new ChartTest()::display);
}
}
我使用 XYLineAndShapeRenderer 使用 jfreechart 构建一个系列图,这个系列需要显示一个月中每一天的值,然后我需要 X 轴显示从 1 到 30 或 1 到 31 的值(取决于当前月份).数据集只有从 1 到 30/31 的 X 值,但结果图显示零(1 之前)和 31/32 之后(30/31)。我只想在 X 轴上显示 1 到 30/31。但我没有成功。以下显示了构建数据集和图形以及结果图像的代码。 在这种情况下,我如何才能在 X 轴上仅显示有效值?
// build dataset
private XYDataset createSampleData()
{
List<Integer> diario = new ArrayList<>(Arrays.asList(20, 50, 120, 78, 37, 69, 145));
int dSize = diario.size();
int dPos = 0;
XYSeries serieD = new XYSeries("Diário");
XYSeries serieA = new XYSeries("Acumulado");
int acumulado = 0;
for(int i=1; i < 31; i++) {
int valDay = diario.get(dPos++);
acumulado += valDay;
serieD.add(i, valDay);
serieA.add(i, acumulado);
if( dPos >= dSize ) {
dPos = 0;
}
}
XYSeriesCollection result = new XYSeriesCollection(serieD);
result.addSeries(serieA);
return result;
}
private JFreeChart buildSeriesChartBySeriesData(String title, String labelX, String labelY)
{
NumberAxis xAxis = new NumberAxis(labelX);
xAxis.setAutoRangeIncludesZero(false);
xAxis.setRangeType(RangeType.POSITIVE);
NumberAxis yAxis = new NumberAxis(labelY);
yAxis.setAutoRangeIncludesZero(false);
yAxis.setRangeType(RangeType.POSITIVE);
XYSplineRenderer renderer1 = new XYSplineRenderer();
XYPlot plot = new XYPlot(this.createSampleData(), xAxis, yAxis, renderer1);
plot.setDomainGridlinesVisible(true);
plot.setDomainZeroBaselineVisible(false);
plot.setDomainPannable(false);
plot.setBackgroundPaint(new Color(224, 224,235));
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
plot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
plot.setDomainPannable(false);
plot.setRangePannable(false);
plot.setDomainZeroBaselineVisible(false);
plot.setRangeZeroBaselineVisible(false);
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.yellow);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
plot.setDomainCrosshairVisible(true);
plot.setRangeCrosshairVisible(true);
XYLineAndShapeRenderer localXYLineAndShapeRenderer = (XYLineAndShapeRenderer) plot.getRenderer();
localXYLineAndShapeRenderer.setBaseShapesVisible(true);
localXYLineAndShapeRenderer.setBaseShapesFilled(true);
localXYLineAndShapeRenderer.setDrawOutlines(true);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// show item labels:
final XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator = new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
return chart;
}
下图我用timeSeries画的,结果一样,显示的是上个月的最后一天和下个月的第一天,我不想显示这个值。
我需要的结果是这样的图像(来自chartJs的示例):
如何从第一个顶部图表的结果中隐藏零和 31?
很久以后... ---- 很长一段时间后我自己制作了所需的图表 ----- 此代码生成正确的图形:
private JFreeChart TimeSeriesChartExample()
{
XYDataset dataset = createSampleMonthData();
// Create chart
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Chart Example",
"Date",
"Values",
dataset, true, true, false);
// Changes background color
XYPlot plot = (XYPlot)chart.getPlot();
plot.setBackgroundPaint(new Color(224, 224,235));
XYSplineRenderer renderer1 = new XYSplineRenderer();
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.green);
plot.setRenderer(renderer1);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
// show item labels:
XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator = new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
DateAxis xAxis = (DateAxis)plot.getDomainAxis();
xAxis.setDateFormatOverride(new SimpleDateFormat("dd/MM/yy"));
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setVerticalTickLabels(true);
return chart;
}
这是结果图:
解决方法如下,我也贴上题体:
private JFreeChart TimeSeriesChartExample()
{
XYDataset dataset = createSampleMonthData();
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Chart Example",
"Date",
"Values",
dataset, true, true, false);
// Changes background color
XYPlot plot = (XYPlot)chart.getPlot();
plot.setBackgroundPaint(new Color(224, 224,235));
XYSplineRenderer renderer1 = new XYSplineRenderer();
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.green);
plot.setRenderer(renderer1);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator = new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
DateAxis xAxis = (DateAxis)plot.getDomainAxis();
xAxis.setDateFormatOverride(new SimpleDateFormat("dd/MM/yy"));
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setVerticalTickLabels(true);
return chart;
}
这是结果:
测试代码:
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.swing.JFrame;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYSplineRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.RectangleInsets;
import org.jfree.ui.TextAnchor;
/**
* @see
*/
public class ChartTest {
private void display() {
JFrame f = new JFrame("ChartTest");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new ChartPanel(createTimeSeriesChartExample()){
@Override
public Dimension getPreferredSize() {
return new Dimension(1000, 400);
}
});
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
private XYDataset createSampleMonthData() {
List<Integer> diario = new ArrayList<>(
Arrays.asList(20, 50, 120, 78, 37, 69, 145));
int dSize = diario.size();
int dPos = 0;
XYSeries serieD = new XYSeries("Diário");
XYSeries serieA = new XYSeries("Acumulado");
int acumulado = 0;
for (int i = 1; i < 31; i++) {
int valDay = diario.get(dPos++);
acumulado += valDay;
serieD.add(i, valDay);
serieA.add(i, acumulado);
if (dPos >= dSize) {
dPos = 0;
}
}
XYSeriesCollection result = new XYSeriesCollection(serieD);
result.addSeries(serieA);
return result;
}
private JFreeChart createTimeSeriesChartExample() {
XYDataset dataset = createSampleMonthData();
JFreeChart chart = ChartFactory.createTimeSeriesChart(
"Time Series Chart Example",
"Date",
"Values",
dataset, true, true, false);
// Changes background color
XYPlot plot = (XYPlot) chart.getPlot();
plot.setBackgroundPaint(new Color(224, 224, 235));
XYSplineRenderer renderer1 = new XYSplineRenderer();
renderer1.setSeriesPaint(0, Color.blue);
renderer1.setSeriesPaint(1, Color.green);
plot.setRenderer(renderer1);
plot.setAxisOffset(new RectangleInsets(3, 3, 3, 3));
XYItemRenderer renderer = plot.getRenderer();
ItemLabelPosition position = new ItemLabelPosition(
ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER);
renderer.setBasePositiveItemLabelPosition(position);
final StandardXYItemLabelGenerator generator =
new StandardXYItemLabelGenerator();
renderer.setSeriesItemLabelGenerator(0, generator);
renderer.setSeriesItemLabelsVisible(0, true);
renderer.setSeriesItemLabelGenerator(1, generator);
renderer.setSeriesItemLabelsVisible(1, true);
DateAxis xAxis = (DateAxis) plot.getDomainAxis();
xAxis.setDateFormatOverride(new SimpleDateFormat("dd/MM/yy"));
ValueAxis domainAxis = plot.getDomainAxis();
domainAxis.setVerticalTickLabels(true);
return chart;
}
public static void main(String[] args) {
EventQueue.invokeLater(new ChartTest()::display);
}
}