A waterfall chart shows the aggregate of values as they are added or subtracted.This type of chart is useful to understand how the initial value is affected by a series of positive and negative values.Waterfall charts can be used for viewing fluctuations in product earnings, net income or profit analysis.
Refer the following code for adding Waterfall chart.
Java |
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private static void WaterfallChart() { // Initialize workbook Workbook workbook = new Workbook(); // Fetch default worksheet IWorksheet worksheet = workbook.getWorksheets().get(0); // Prepare data for chart worksheet.getRange("A1:B8") .setValue(new Object[][] { { "Starting Amt", 130 }, { "Measurement 1", 25 }, { "Measurement 2", -75 }, { "Subtotal", 80 }, { "Measurement 3", 45 }, { "Measurement 4", -65 }, { "Measurement 5", 80 }, { "Total", 140 } }); worksheet.getRange("A:A").getColumns().autoFit(); // Add Waterfall Chart IShape waterfallChartShape = worksheet.getShapes().addChart(ChartType.Waterfall, 300, 20, 300, 250); waterfallChartShape.getChart().getSeriesCollection().add(worksheet.getRange("A1:B8")); // Configure Chart Title waterfallChartShape.getChart().getChartTitle().setText("Waterfall Chart"); // Set subtotal & total points IPoints points = waterfallChartShape.getChart().getSeriesCollection().get(0).getPoints(); points.get(3).setIsTotal(true); points.get(7).setIsTotal(true); // Connector lines are not shown ISeries series = waterfallChartShape.getChart().getSeriesCollection().get(0); series.setShowConnectorLines(false); // Saving workbook to Xlsx workbook.save("30-WaterfallChart.xlsx", SaveFileFormat.Xlsx); |