ChartPoint.GetTopPointYPx

ChartPoint.GetTopPointYPx method

Gets y-coordinate of the top point of shape after calls Chart.Calculate() method. Applies 3D charts: Column3D, Bar3D, Cone, Cylinder, Pyramid and Area3D

public float GetTopPointYPx(int index)

Examples

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

    public class ChartPointMethodGetTopPointYPxWithInt32Demo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];
            
            // Add sample data for 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 chart
            int chartIndex = worksheet.Charts.Add(ChartType.Column, 5, 0, 20, 8);
            Chart chart = worksheet.Charts[chartIndex];
            
            // Set chart data source
            chart.NSeries.Add("B2:B4", true);
            chart.NSeries.CategoryData = "A2:A4";
            
            // Calculate chart to ensure all position properties are calculated
            chart.Calculate();
            
            // Get the first chart point from first series
            ChartPoint point = chart.NSeries[0].Points[0];
            
            try
            {
                // Get the number of top points
                int topPointCount = point.GetTopPointCount();
                
                if (topPointCount > 0)
                {
                    // Call GetTopPointYPx with index 0
                    float yPx = point.GetTopPointYPx(0);
                    
                    Console.WriteLine($"Top point Y position in pixels: {yPx}");
                    Console.WriteLine("Method executed successfully with parameter (Int32)");
                }
                else
                {
                    Console.WriteLine("No top points available for this chart point");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error executing GetTopPointYPx method: {ex.Message}");
            }
            
            // Save the result
            workbook.Save("ChartPointMethodGetTopPointYPxWithInt32Demo.xlsx");
        }
    }
}

See Also