DxSankey.Palette Property

Specifies the color scheme for Sankey nodes.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v25.1.dll

NuGet Package: DevExpress.Blazor

Declaration

[Parameter]
public string[] Palette { get; set; }

Property Value

Type	Description
String[]	An array of colors.

Remarks

The DxSankey component allows you to create a custom palette for nodes. To apply a palette, assign it to the Palette property.

The Palette property accepts the following formats:

• Longhand and shorthand hexadecimal color values: #ffff00, #ff0.
• RGB and RGBA color codes: rgb(255, 0, 0), rgba(0, 230, 0, 0.3).
• HTML color name (case-insensitive): red, DarkGreen.

When the number of nodes exceeds the number of palette colors, you can use the PaletteExtensionMode property to specify how to extend the palette.

The DxSankey component also allows you to customize the node color through the DxSankeyNodeSettings.Color property.

<DxSankey Data="@Data"
          SourceFieldName="Source"
          TargetFieldName="Target"
          WeightFieldName="Weight">
    <DxSankeyNodeSettings Color="red" />
    @* ... *@
</DxSankey>

Note that the DxSankeyNodeSettings.Color property has priority over DxSankey.Palette.

Example

The following code snippet applies a custom palette to Sankey nodes and changes the palette’s extension mode:

Razor

<DxSankey Data="@Data"
          Width="100%"
          Height="440px"
          SourceFieldName="Source"
          TargetFieldName="Target"
          WeightFieldName="Weight"
          Palette="@(new string[]{"red", "blue"})"
          PaletteExtensionMode="PaletteExtensionMode.Blend">
    <DxSankeyNodeSettings Width="8" Spacing="30" />
    <DxTitleSettings Text="Commodity Turnover" />
</DxSankey>

@code {
    IEnumerable<SankeyDataPoint> Data = Enumerable.Empty<SankeyDataPoint>();
    protected override void OnInitialized() {
        Data = GenerateData();
    }
}

DataSource

public List<SankeyDataPoint> GenerateData() {
    return new List<SankeyDataPoint>() {
        new SankeyDataPoint("Spain", "United States of America", 2),
        new SankeyDataPoint("Germany", "United States of America", 8),
        new SankeyDataPoint("France", "United States of America", 4),
        new SankeyDataPoint("Germany", "Great Britain", 2),
        new SankeyDataPoint("France", "Great Britain", 4),
        new SankeyDataPoint("United States of America", "Australia", 6),
        new SankeyDataPoint("United States of America", "New Zealand", 5),
        new SankeyDataPoint("United States of America", "Japan", 3),
        new SankeyDataPoint("Great Britain", "New Zealand", 4),
        new SankeyDataPoint("Great Britain", "Japan", 1),
    };
}
public class SankeyDataPoint {
    public string Source { get; set; }
    public string Target { get; set; }
    public int Weight { get; set; }
    public SankeyDataPoint(string source, string target, int weight) {
        Source = source;
        Target = target;
        Weight = weight;
    }
}