public class ChartDataPoint
Example:
Shows how to work with data points on a line chart.@Test public void chartDataPoint() throws Exception { Document doc = new Document(); DocumentBuilder builder = new DocumentBuilder(doc); Shape shape = builder.insertChart(ChartType.LINE, 500.0, 350.0); Chart chart = shape.getChart(); Assert.assertEquals(3, chart.getSeries().getCount()); Assert.assertEquals("Series 1", chart.getSeries().get(0).getName()); Assert.assertEquals("Series 2", chart.getSeries().get(1).getName()); Assert.assertEquals("Series 3", chart.getSeries().get(2).getName()); // Emphasize the chart's data points by making them appear as diamond shapes. for (ChartSeries series : chart.getSeries()) applyDataPoints(series, 4, MarkerSymbol.DIAMOND, 15); // Smooth out the line that represents the first data series. chart.getSeries().get(0).setSmooth(true); // Verify that data points for the first series will not invert their colors if the value is negative. Iterator<ChartDataPoint> enumerator = chart.getSeries().get(0).getDataPoints().iterator(); while (enumerator.hasNext()) { Assert.assertFalse(enumerator.next().getInvertIfNegative()); } // For a cleaner looking graph, we can remove data points individually. chart.getSeries().get(1).getDataPoints().removeAt(2); // We can also strip an entire series of data points at once. chart.getSeries().get(2).getDataPoints().clear(); doc.save(getArtifactsDir() + "Charts.ChartDataPoint.docx"); } /// <summary> /// Applies a number of data points to a series. /// </summary> private static void applyDataPoints(ChartSeries series, int dataPointsCount, int markerSymbol, int dataPointSize) { for (int i = 0; i < dataPointsCount; i++) { ChartDataPoint point = series.getDataPoints().add(i); point.getMarker().setSymbol(markerSymbol); point.getMarker().setSize(dataPointSize); Assert.assertEquals(point.getIndex(), i); } }
Property Getters/Setters Summary | ||
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boolean | getBubble3D() | |
void | setBubble3D(booleanvalue) | |
int | getExplosion() | |
void | setExplosion(intvalue) | |
int | getIndex() | |
Index of the data point this object applies formatting to.
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boolean | getInvertIfNegative() | |
void | setInvertIfNegative(booleanvalue) | |
ChartMarker | getMarker() | |
Method Summary | ||
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void | clearFormat() | |
Clears format of this data point. The properties are set to the default values defined in the parent series.
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public boolean getBubble3D() / public void setBubble3D(boolean value)
public int getExplosion() / public void setExplosion(int value)
public int getIndex()
Example:
Shows how to work with data points on a line chart.@Test public void chartDataPoint() throws Exception { Document doc = new Document(); DocumentBuilder builder = new DocumentBuilder(doc); Shape shape = builder.insertChart(ChartType.LINE, 500.0, 350.0); Chart chart = shape.getChart(); Assert.assertEquals(3, chart.getSeries().getCount()); Assert.assertEquals("Series 1", chart.getSeries().get(0).getName()); Assert.assertEquals("Series 2", chart.getSeries().get(1).getName()); Assert.assertEquals("Series 3", chart.getSeries().get(2).getName()); // Emphasize the chart's data points by making them appear as diamond shapes. for (ChartSeries series : chart.getSeries()) applyDataPoints(series, 4, MarkerSymbol.DIAMOND, 15); // Smooth out the line that represents the first data series. chart.getSeries().get(0).setSmooth(true); // Verify that data points for the first series will not invert their colors if the value is negative. Iterator<ChartDataPoint> enumerator = chart.getSeries().get(0).getDataPoints().iterator(); while (enumerator.hasNext()) { Assert.assertFalse(enumerator.next().getInvertIfNegative()); } // For a cleaner looking graph, we can remove data points individually. chart.getSeries().get(1).getDataPoints().removeAt(2); // We can also strip an entire series of data points at once. chart.getSeries().get(2).getDataPoints().clear(); doc.save(getArtifactsDir() + "Charts.ChartDataPoint.docx"); } /// <summary> /// Applies a number of data points to a series. /// </summary> private static void applyDataPoints(ChartSeries series, int dataPointsCount, int markerSymbol, int dataPointSize) { for (int i = 0; i < dataPointsCount; i++) { ChartDataPoint point = series.getDataPoints().add(i); point.getMarker().setSymbol(markerSymbol); point.getMarker().setSize(dataPointSize); Assert.assertEquals(point.getIndex(), i); } }
public boolean getInvertIfNegative() / public void setInvertIfNegative(boolean value)
public ChartMarker getMarker()