ChartPoint.RadiusPx

ChartPoint.RadiusPx property

Gets the radius of bubble, pie or doughnut in units of pixels after calls Chart.Calculate() method.

public int RadiusPx { get; }

Examples

namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using Aspose.Cells.Charts;
    using System;

    public class ChartPointPropertyRadiusPxDemo
    {
        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(10);
            worksheet.Cells["B3"].PutValue(20);
            worksheet.Cells["B4"].PutValue(30);

            // Add a pie chart
            int chartIndex = worksheet.Charts.Add(ChartType.Pie, 5, 0, 20, 10);
            Chart chart = worksheet.Charts[chartIndex];
            
            // Set chart data range
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.CategoryData = "A2:A4";

            // Calculate chart to ensure properties are populated
            chart.Calculate();

            // Get the first chart point
            ChartPoint point = chart.NSeries[0].Points[0];

            // Display the current radius value
            Console.WriteLine("Current RadiusPx value: " + point.RadiusPx);

            // Note: RadiusPx is read-only, so we can't set it directly
            // To change the radius, we need to adjust the chart size or other properties
            // that affect the point size indirectly

            // Example of how changing chart size affects radius
            Console.WriteLine("\nChanging chart size to demonstrate radius change...");
            chart.ChartObject.Width = 800;
            chart.ChartObject.Height = 600;
            chart.Calculate();

            // Display the new radius value after chart resize
            Console.WriteLine("New RadiusPx value after chart resize: " + point.RadiusPx);

            // Save the result
            workbook.Save("ChartPointPropertyRadiusPxDemo.xlsx");
        }
    }
}

See Also