MapBubbleMappingInfo Class
Contains information about mapping the Bubble chart items.
Namespace: DevExpress.Xpf.Map
Assembly: DevExpress.Xpf.Map.v20.1.dll
NuGet Packages: DevExpress.WindowsDesktop.Wpf.Map, DevExpress.Wpf.Map
Declaration
Related API Members
The following members return MapBubbleMappingInfo objects:
Example
To generate bubble charts from a data source, do the following.
- Create a BubbleChartDataAdapter object and assign it to the VectorLayer.Data property.
- Bind a data source to the DataSourceAdapterBase.DataSource property of the object.
- Specify mappings to assign data fields to bubble properties. To do this, specify the MapPointMappingInfoBase.Latitude, MapPointMappingInfoBase.Longitude and MapBubbleMappingInfo.Value properties of the
MapBubbleMappingInfo
object assigned to the BubbleChartDataAdapter.Mappings property. - Specify settings which are used to generate map bubble charts. To do this, specify the MapBubbleSettings object’s properties. This object can be accessed using the BubbleChartDataAdapter.BubbleSettings property of the adapter.
Note
A complete sample project is available at https://github.com/DevExpress-Examples/how-to-automatically-generate-bubble-chart-items-from-a-datasource-t180068.
<dxm:VectorLayer x:Name="earthquakesLayer" ShapeFill="Orange" ToolTipEnabled="True"
ToolTipPattern="{}{Month}/{Day}/{Year}
Magnitude: %V%
Depth: {Depth}km">
<dxm:BubbleChartDataAdapter DataSource="{Binding Data}"
ItemMaxSize="60" ItemMinSize="10">
<dxm:BubbleChartDataAdapter.AttributeMappings>
<dxm:MapItemAttributeMapping Member="day" Name="Day"/>
<dxm:MapItemAttributeMapping Member="mon" Name="Month"/>
<dxm:MapItemAttributeMapping Member="yr" Name="Year"/>
<dxm:MapItemAttributeMapping Member="dep" Name="Depth"/>
</dxm:BubbleChartDataAdapter.AttributeMappings>
<dxm:BubbleChartDataAdapter.Mappings>
<dxm:MapBubbleMappingInfo Latitude="glat" Longitude="glon" Value="mag"/>
</dxm:BubbleChartDataAdapter.Mappings>
<dxm:BubbleChartDataAdapter.BubbleSettings>
<dxm:MapBubbleSettings MarkerType="Circle"/>
</dxm:BubbleChartDataAdapter.BubbleSettings>
</dxm:BubbleChartDataAdapter>
</dxm:VectorLayer>
Inheritance
See Also