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GeoUtils.CalculateArea(MapShape) Method

Computes the closed shape area.

Namespace: DevExpress.Xpf.Map

Assembly: DevExpress.Xpf.Map.v24.2.dll

NuGet Package: DevExpress.Wpf.Map

#Declaration

public static double CalculateArea(
    MapShape shape
)

#Parameters

Name Type Description
shape MapShape

The closed map shape whose area is calculated.

#Returns

Type Description
Double

The map shape area in squire meters.

#Remarks

You can use the CalculateArea method to determine an area of the following vector items:

The following example shows how to compute the selected map shape’s area when the MapControl.SelectionChanged event occurs:

private void MapControl_SelectionChanged(object sender, MapItemSelectionChangedEventArgs e) {
    MapShape mapShape = vectorLayer.SelectedItems[0] as MapShape;
    double areaByShape = GeoUtils.CalculateArea(mapShape) / 1000000;            
    label.Content = $"Shape Area: {areaByShape:F2} km²";
}
See Also