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Spline in Blazor Chart component

22 Jul 2021 / 2 minutes to read

Spline

Spline Chart connects the data points with smooth curves. To render a Spline Chart, use series Type as Spline.

spline.razor
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@using Syncfusion.Blazor.Charts

<SfChart Title="Olympic Medals">
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"></ChartPrimaryXAxis>
    <ChartSeriesCollection>
        <ChartSeries DataSource="@MedalDetails" XName="X" YName="Y" Type="ChartSeriesType.Spline">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X { get; set; }
        public double Y { get; set; }
    }
    public List<ChartData> MedalDetails = new List<ChartData>
{
        new ChartData { X= "South Korea", Y= 39.4 },
        new ChartData { X= "India", Y= 61.3 },
        new ChartData { X= "Pakistan", Y= 20.4 },
        new ChartData { X= "Germany", Y= 65.1 },
        new ChartData { X= "Australia", Y= 15.8 },
        new ChartData { X= "Italy", Y= 29.2 },
        new ChartData { X= "United Kingdom", Y= 44.6 },
        new ChartData { X= "Saudi Arabia", Y= 9.7 },
        new ChartData { X= "Russia", Y= 40.8 },
        new ChartData { X= "Mexico", Y= 31 },
        new ChartData { X= "Brazil", Y= 75.9 },
        new ChartData { X= "China", Y= 51.4 }
    };
}

Spline

Refer to our Blazor Spline Chart feature tour page to know about its other groundbreaking feature representations. Explore our Blazor Spline Chart Example to know how to connects the data points with smooth curves.

Type of Spline

To specify the type of Spline Chart use SplineType property. The spline types are Clamped, Cardinal, Monotonic and Natural.

splinetype.razor
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@using Syncfusion.Blazor.Charts

<SfChart Title="Olympic Medals" Width="60%">
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"></ChartPrimaryXAxis>
    <ChartSeriesCollection>
        <ChartSeries DataSource="@MedalDetails" XName="X" YName="Y" Type="ChartSeriesType.Spline" SplineType="SplineType.Cardinal">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X;
        public double Y;
    }
    public List<ChartData> MedalDetails = new List<ChartData>
	{
        new ChartData { X= "South Korea", Y= 39.4 },
        new ChartData { X= "India", Y= 61.3 },
        new ChartData { X= "Pakistan", Y= 20.4 },
        new ChartData { X= "Germany", Y= 65.1 },
        new ChartData { X= "Australia", Y= 15.8 },
        new ChartData { X= "Italy", Y= 29.2 },
        new ChartData { X= "United Kingdom", Y= 44.6 },
        new ChartData { X= "Saudi Arabia", Y= 9.7 },
        new ChartData { X= "Russia", Y= 40.8 },
        new ChartData { X= "Mexico", Y= 31 },
        new ChartData { X= "Brazil", Y= 75.9 },
        new ChartData { X= "China", Y= 51.4 }
    };
}

Cardinal

Series Customization

The following properties can be used to customize the Spline series.

  • Fill – Specifies the color of the series.
  • Opacity – Specifies the opacity of Fill.
  • Width – Specifies the width of the line stroke.
  • DashArray – Specifies the dashes of line stroke.
custom-spline.razor
Copied to clipboard
@using Syncfusion.Blazor.Charts

<SfChart Title="Olympic Medals" Width="60%">
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"></ChartPrimaryXAxis>
    <ChartSeriesCollection>
        <ChartSeries DataSource="@MedalDetails" XName="X" YName="Y" Width="3" Opacity="0.5"
                     DashArray="5,5" Fill="blue" Type="ChartSeriesType.Spline">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X;
        public double Y;
    }
    public List<ChartData> MedalDetails = new List<ChartData>
	{
        new ChartData { X= "South Korea", Y= 39.4 },
        new ChartData { X= "India", Y= 61.3 },
        new ChartData { X= "Pakistan", Y= 20.4 },
        new ChartData { X= "Germany", Y= 65.1 },
        new ChartData { X= "Australia", Y= 15.8 },
        new ChartData { X= "Italy", Y= 29.2 },
        new ChartData { X= "United Kingdom", Y= 44.6 },
        new ChartData { X= "Saudi Arabia", Y= 9.7 },
        new ChartData { X= "Russia", Y= 40.8 },
        new ChartData { X= "Mexico", Y= 31 },
        new ChartData { X= "Brazil", Y= 75.9 },
        new ChartData { X= "China", Y= 51.4 }
    };
}

Custom Spline

Refer to our Blazor Charts feature tour page for its groundbreaking feature representations and also explore our Blazor Chart example to know various chart types and how to represent time-dependent data, showing trends at equal intervals.

See Also