Chart.Calculate

Calculate()

Calculates the custom position of plot area, axes if the position of them are auto assigned.

public void Calculate()

Examples

using System;
using Aspose.Cells;
using Aspose.Cells.Charts;

namespace AsposeCellsExamples
{
    public class ChartMethodCalculateDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            
            // Access first worksheet
            Worksheet worksheet = workbook.Worksheets[0];
            
            // Add sample data for chart
            worksheet.Cells["A1"].PutValue("Category");
            worksheet.Cells["B1"].PutValue("Value");
            worksheet.Cells["A2"].PutValue("A");
            worksheet.Cells["B2"].PutValue(10);
            worksheet.Cells["A3"].PutValue("B");
            worksheet.Cells["B3"].PutValue(20);
            worksheet.Cells["A4"].PutValue("C");
            worksheet.Cells["B4"].PutValue(30);

            // Add a chart to the worksheet
            int chartIndex = worksheet.Charts.Add(Aspose.Cells.Charts.ChartType.Column, 5, 0, 20, 8);
            Aspose.Cells.Charts.Chart chart = worksheet.Charts[chartIndex];
            
            // Set chart data range
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.CategoryData = "A2:A4";

            // Calculate the chart before saving
            chart.Calculate();

            // Save the workbook with chart
            workbook.Save("ChartCalculateDemo.xlsx", SaveFormat.Xlsx);
        }
    }
}

See Also

Calculate(ChartCalculateOptions)

Calculates the custom position of plot area, axes if the position of them are auto assigned, with Chart Calculate Options.

public void Calculate(ChartCalculateOptions calculateOptions)

Examples

using System;
using Aspose.Cells;
using Aspose.Cells.Charts;

namespace AsposeCellsExamples
{
    public class ChartMethodCalculateWithChartCalculateOptionsDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            // Add sample data for the chart
            worksheet.Cells["A1"].PutValue("Category");
            worksheet.Cells["A2"].PutValue("A");
            worksheet.Cells["A3"].PutValue("B");
            worksheet.Cells["A4"].PutValue("C");
            worksheet.Cells["B1"].PutValue("Value");
            worksheet.Cells["B2"].PutValue(100);
            worksheet.Cells["B3"].PutValue(200);
            worksheet.Cells["B4"].PutValue(150);

            // Add a chart
            int chartIndex = worksheet.Charts.Add(ChartType.Column, 5, 0, 20, 8);
            Chart chart = worksheet.Charts[chartIndex];

            // Set chart data range
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.CategoryData = "A2:A4";

            // Enable data labels
            chart.NSeries[0].DataLabels.ShowValue = true;

            // Create calculate options and set to update all points
            ChartCalculateOptions calculateOptions = new ChartCalculateOptions();
            calculateOptions.UpdateAllPoints = true;

            // Calculate chart with options
            chart.Calculate(calculateOptions);

            // Output the data label texts
            ChartPointCollection points = chart.NSeries[0].Points;
            Console.WriteLine("DataLabel Text for Point 0: " + points[0].DataLabels.Text);
            Console.WriteLine("DataLabel Text for Point 1: " + points[1].DataLabels.Text);
            Console.WriteLine("DataLabel Text for Point 2: " + points[2].DataLabels.Text);

            // Save the workbook
            workbook.Save("output.xlsx");
        }
    }
}

See Also