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This article explains how to create a 3D surface chart in Excel using Syncfusion Excel (XlsIO) library.
What is a 3D surface chart?
3-D Surface chart shows a 3-D view of the data, which can be imagined as a rubber sheet stretched over a 3-D Column chart. It is typically used to show relationship between large amount of data that may otherwise be difficult to see. Color bands in a surface chart indicate the difference between values.
3D surface chart created using XlsIO To create a 3D surface chart in Excel using XlsIO, you need to do the following steps.
Steps to create 3D surface chart
Create a chart object by calling the worksheet.Charts.Add method.
//Create the chart IChartShape chart = worksheet.Charts.Add();
//Set chart series in column for assigned data region chart.IsSeriesInRows = false; //Set region of Chart data chart.DataRange = worksheet["A1:D7"]; //Set chart type to Surface_3D chart.ChartType = ExcelChartType.Surface_3D;
Note: For creating a 3D surface chart, the series count must be greater than or equal to 2. The series should be set before selecting the chart type.
Add the basic elements like chart title, data labels and legend.
//Apply chart elements //Set Chart Title chart.ChartTitle = "3D Surface Chart"; //Set Legend chart.HasLegend = true; chart.Legend.Position = ExcelLegendPosition.Bottom;
Add the 3D chart elements like Rotation, Elevation and Perspective.
//Set Rotation and Elevation chart.Rotation = 20; chart.Elevation = 15; chart.Perspective = 15;
Additional applicable properties of 3D surface chart in Excel
To modify the depth axis of 3D surface chart, use the PrimarySerieAxis (Depth Axis) property.
To know more about creating charts with various settings using XlsIO, please refer the documentation.
The following C#/ VB.NET complete code snippet shows the creation of 3D surface chart using XlsIO.
C#
using Syncfusion.XlsIO;
using System.Reflection;
using System.IO;
namespace ChartSample
{
class Program
{
static void Main(string[] args)
{
using (ExcelEngine excelEngine = new ExcelEngine())
{
IApplication application = excelEngine.Excel;
application.DefaultVersion = ExcelVersion.Excel2016;
//Open existing workbook with data entered
Assembly assembly = typeof(Program).GetTypeInfo().Assembly;
Stream fileStream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx");
IWorkbook workbook = application.Workbooks.Open(fileStream);
IWorksheet worksheet = workbook.Worksheets[0];
//Initialize chart and assign data
IChartShape chart = worksheet.Charts.Add();
chart.DataRange = worksheet["A1:D7"];
chart.ChartType = ExcelChartType.Surface_3D;
chart.IsSeriesInRows = false;
//Apply chart elements
//Set Chart Title
chart.ChartTitle = "3D Surface Chart";
//Set Legend
chart.HasLegend = true;
chart.Legend.Position = ExcelLegendPosition.Bottom;
//Set Rotation and Elevation
chart.Rotation = 20;
chart.Elevation = 15;
chart.Perspective = 15;
//Positioning the chart in the worksheet
chart.TopRow = 8;
chart.LeftColumn = 1;
chart.BottomRow = 23;
chart.RightColumn = 8;
//Saving and closing the workbook
Stream stream = File.Create("Output.xlsx");
workbook.SaveAs(stream);
}
}
}
}
VB Imports Syncfusion.XlsIO
Imports System.Reflection
Imports System.IO
Namespace ChartSample
Class Program
Public Shared Sub Main(ByVal args As String())
Using excelEngine As ExcelEngine = New ExcelEngine()
Dim application As IApplication = excelEngine.Excel
application.DefaultVersion = ExcelVersion.Excel2016
'Open existing workbook with data entered
Dim assembly As Assembly = GetType(Program).GetTypeInfo().Assembly
Dim fileStream As Stream = assembly.GetManifestResourceStream("ChartSample.InputTemplate.xlsx")
Dim workbook As IWorkbook = application.Workbooks.Open(fileStream)
Dim worksheet As IWorksheet = workbook.Worksheets(0)
'Initialize chart and assign data
Dim chart As IChartShape = worksheet.Charts.Add
chart.DataRange = worksheet("A1:D7")
chart.ChartType = ExcelChartType.Surface_3D
chart.IsSeriesInRows = False
'Apply chart elements
'Set Chart Title
chart.ChartTitle = "3D Surface Chart"
'Set Legend
chart.HasLegend = True
chart.Legend.Position = ExcelLegendPosition.Bottom
'Set Rotation and Elevation
chart.Rotation = 20;
chart.Elevation = 15;
chart.Perspective = 15;
'Positioning chart in the worksheet
chart.TopRow = 8
chart.LeftColumn = 1
chart.BottomRow = 23
chart.RightColumn = 8
'Saving and closing the workbook
Dim stream As Stream = File.Create("Output.xlsx")
workbook.SaveAs(stream)
End Using
End Sub
End Class
End Namespace
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