//Instantiate Presentation class that represents PPTX file
Presentation pres = new Presentation();

//Access first slide
ISlide sld = pres.getSlides().get_Item(0);

// Add chart with default data
IChart chart = sld.getShapes().addChart(ChartType.Pie, 100, 100, 400, 400);

//Setting chart Title
chart.getChartTitle().addTextFrameForOverriding("Sample Title");
chart.getChartTitle().getTextFrameForOverriding().getTextFrameFormat().setCenterText(NullableBool.True);
chart.getChartTitle().setHeight(20);
chart.hasTitle(true);

//Set first series to Show Values
chart.getChartData().getSeries().get_Item(0).getLabels().getDefaultDataLabelFormat().setShowValue(true);

//Setting the index of chart data sheet
int defaultWorksheetIndex = 0;

//Getting the chart data worksheet
IChartDataWorkbook fact = chart.getChartData().getChartDataWorkbook();

//Delete default generated series and categories

chart.getChartData().getSeries().clear();
chart.getChartData().getCategories().clear();

//Adding new categories
chart.getChartData().getCategories().add(fact.getCell(0, 1, 0, "First Qtr"));
chart.getChartData().getCategories().add(fact.getCell(0, 2, 0, "2nd Qtr"));
chart.getChartData().getCategories().add(fact.getCell(0, 3, 0, "3rd Qtr"));

//Adding new series
IChartSeries series = chart.getChartData().getSeries().add(fact.getCell(0, 0, 1, "Series 1"), chart.getType());

//Now populating series data
series.getDataPoints().addDataPointForPieSeries(fact.getCell(defaultWorksheetIndex, 1, 1, 20));
series.getDataPoints().addDataPointForPieSeries(fact.getCell(defaultWorksheetIndex, 2, 1, 50));
series.getDataPoints().addDataPointForPieSeries(fact.getCell(defaultWorksheetIndex, 3, 1, 30));


//Not working in new version
//Adding new points and setting sector color
//series.IsColorVaried = true;
chart.getChartData().getSeriesGroups().get_Item(0).isColorVaried(true);

IChartDataPoint point = series.getDataPoints().get_Item(0);
point.getFormat().getFill().setFillType(FillType.Solid);
point.getFormat().getFill().getSolidFillColor().setColor(Color.CYAN);
//Setting Sector border
point.getFormat().getLine().getFillFormat().setFillType(FillType.Solid);
point.getFormat().getLine().getFillFormat().getSolidFillColor().setColor(Color.GRAY);
point.getFormat().getLine().setWidth(3.0);
point.getFormat().getLine().setStyle(LineStyle.ThinThick);
point.getFormat().getLine().setDashStyle(LineDashStyle.DashDot);


IChartDataPoint point1 = series.getDataPoints().get_Item(1);
point1.getFormat().getFill().setFillType (FillType.Solid);
point1.getFormat().getFill().getSolidFillColor().setColor(new Color(PresetColor.Brown));

//Setting Sector border
point1.getFormat().getLine().getFillFormat().setFillType(FillType.Solid);
point1.getFormat().getLine().getFillFormat().getSolidFillColor().setColor(Color.BLUE);
point1.getFormat().getLine().setWidth(3.0);
point1.getFormat().getLine().setStyle(LineStyle.Single);
point1.getFormat().getLine().setDashStyle(LineDashStyle.LargeDashDot);

IChartDataPoint point2 = series.getDataPoints().get_Item(2);
point2.getFormat().getFill().setFillType(FillType.Solid);
point2.getFormat().getFill().getSolidFillColor().setColor(new Color(PresetColor.Coral));

//Setting Sector border
point2.getFormat().getLine().getFillFormat().setFillType(FillType.Solid);
point2.getFormat().getLine().getFillFormat().getSolidFillColor().setColor(Color.RED);
point2.getFormat().getLine().setWidth(2.0);
point2.getFormat().getLine().setStyle(LineStyle.ThinThin);
point2.getFormat().getLine().setDashStyle(LineDashStyle.LargeDashDotDot);


//Create custom labels for each of categories for new series

IDataLabel lbl1 = series.getDataPoints().get_Item(0).getLabel();
// lbl.ShowCategoryName = true;
lbl1.getDataLabelFormat().setShowValue(true);


IDataLabel lbl2 = series.getDataPoints().get_Item(1).getLabel();
lbl2.getDataLabelFormat().setShowValue (true);
lbl2.getDataLabelFormat().setShowLegendKey(true);
lbl2.getDataLabelFormat().setShowPercentage(true);

IDataLabel lbl3 = series.getDataPoints().get_Item(2).getLabel();
lbl3.getDataLabelFormat().setShowSeriesName(true);
lbl3.getDataLabelFormat().setShowPercentage (true);


//Showing Leader Lines for Chart
series.getLabels().getDefaultDataLabelFormat().setShowLeaderLines(true);

//Setting Rotation Angle for Pie Chart Sectors
chart.getChartData().getSeriesGroups().get_Item(0).setFirstSliceAngle(180);

// Save presentation with chart
pres.save("data/AsposePieChart.pptx", SaveFormat.Pptx);