Range Step Area in Blazor Charts Component

11 Aug 20234 minutes to read

Range Step Area

Range Step Area Chart is used to display continuous data points as a series of steps that vary between high and low values over an interval of time for different categories. To render a Range Step Area Chart, set the series Type as RangeStepArea.

 
@using Syncfusion.Blazor.Charts
@inject NavigationManager NavigationManager
@inject HttpClient Http
@using System.Net.Http.Json
 
<SfChart>
    <ChartArea>
        <ChartAreaBorder Width="0"></ChartAreaBorder>
    </ChartArea>
    <ChartTooltipSettings Enable="true" Format="Temperature : <b>${point.low} - ${point.high}</b>" Shared="true"></ChartTooltipSettings>
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.DateTime" Format="dd MMM">
        <ChartAxisMajorGridLines Width="0"/>
    </ChartPrimaryXAxis>
    <ChartPrimaryYAxis LabelFormat="{value}˚C" Interval="5" Minimum="-5" Maximum="25">
        <ChartAxisLineStyle Width="0"></ChartAxisLineStyle>
        <ChartAxisMajorTickLines Width="0"/>
    </ChartPrimaryYAxis>
    <ChartSeriesCollection>
    <ChartSeries DataSource="@ChartPoints" XName="X" High="High" Low="Low"  Opacity="0.5" Type="ChartSeriesType.RangeStepArea">
            <ChartMarker Visible="false"></ChartMarker>                 
        </ChartSeries>
    </ChartSeriesCollection>
    <ChartLegendSettings Visible="false"/>
</SfChart>

@code{

    public string BorderColor { get; set; }    
    public ChartData[] ChartPoints { get; set; }

    protected async override Task OnInitializedAsync()
    {
        ChartPoints = new ChartData[] { };
        ChartPoints = await Http.GetFromJsonAsync<ChartData[]>(NavigationManager.BaseUri + "./range-data.json");
    }  

    public class ChartData
    {
        public string X { get; set; }
        public double High { get; set; }
        public double Low { get; set; }
    }
}

Blazor Range Step Area Chart

Refer to our Blazor Range Step Area Chart feature tour page to know about its other groundbreaking feature representations. Explore our Blazor Range Step Area Chart Example to know how to show variations in the data values for a given time.

Series customization

The following properties can be used to customize the Range Step Area series.

@using Syncfusion.Blazor.Charts

<SfChart>
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category" />	
    <ChartSeriesCollection>
        <ChartSeries DataSource="@WeatherReports" XName="X" High="High" Low="Low" Opacity="0.5"
                     DashArray="5,5" Fill="blue" Type="ChartSeriesType.RangeStepArea">
            <ChartSeriesBorder Width="2" Color="red"></ChartSeriesBorder>
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X { get; set; }
        public double Low { get; set; }
        public double High { get; set; }
    }

    public List<ChartData> WeatherReports = new List<ChartData>
    {
        new  ChartData { X=  "Sun", Low=  4.7, High=  9.8 },
        new  ChartData { X=  "Mon", Low=  4.7, High=  11.4 },
        new  ChartData { X=  "Tue", Low=  6.4, High=  14.4 },
        new  ChartData { X=  "Wed", Low=  9.6, High=  17.2 },
        new  ChartData { X=  "Thu", Low=  7.5, High=  15.1 },
        new  ChartData { X=  "Fri", Low=  3.0, High=  10.5 },
        new  ChartData { X=  "Sat", Low=  1.2, High=  10.5 }
    };
}

Blazor Range Step Area Chart with customized series

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