ElevationRequestResult.Locations Property
Returns the requested locations with corresponding elevations.
Namespace: DevExpress.XtraMap
Assembly: DevExpress.XtraMap.v20.2.dll
NuGet Package: DevExpress.Win.Map
Declaration
Property Value
Type | Description |
---|---|
ElevationInformation[] | An array of ElevationInformation objects. |
Example
This example demonstrates how to receive elevation information from the Bing Maps service.
To do this, request elevation information using the BingElevationDataProvider.RequestPointsElevations method. Then, display the request result using the BingElevationDataProvider.ElevationsCalculated event handler.
using DevExpress.XtraMap;
using System;
using System.Collections.Generic;
using System.Windows.Forms;
namespace BingElevationData {
public partial class Form1 : Form {
InformationLayer layer { get { return (InformationLayer)mapControl.Layers[1]; } }
VectorItemsLayer vectorLayer { get { return (VectorItemsLayer)mapControl.Layers[2]; } }
BingElevationDataProvider provider { get { return (BingElevationDataProvider)layer.DataProvider; } }
public Form1() {
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e) {
provider.ElevationsCalculated += OnElevationCalculated;
provider.GenerateLayerItems = false;
List<GeoPoint> locations = new List<GeoPoint> {
new GeoPoint(41.145556, -73.995),
new GeoPoint(36.131389, -95.937222),
new GeoPoint(36.175, -115.136389)
};
provider.RequestPointsElevations(locations);
}
void OnElevationCalculated(object sender, ElevationsCalculatedEventArgs e) {
MapItemStorage storage = new MapItemStorage();
foreach (ElevationInformation elevationInformation in e.Result.Locations) {
storage.Items.Add(new MapCallout() {
Text = string.Format("{0}\nElevation = {1} m", elevationInformation.Location, elevationInformation.Elevation),
Location = elevationInformation.Location
});
}
vectorLayer.Data = storage;
}
}
}
Related GitHub Examples
The following code snippets (auto-collected from DevExpress Examples) contain references to the Locations property.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.