Rotate a map.
Use case
A user may wish to view the map in an orientation other than north-facing.
How to use the sample
Use the slider to rotate the map.
How it works
- Instantiate an
Mapobject. - Set the map in the
MapViewobject. - Use
SetViewpointRotationAsyncto indicate the rotation angle.
Relevant API
- Compass
- Map
- MapView
Tags
rotate, rotation, viewpoint
Sample Code
// Copyright 2016 Esri. // // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. // You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific // language governing permissions and limitations under the License. using Esri.ArcGISRuntime.Mapping; using System.Windows; namespace ArcGIS.WPF.Samples.MapRotation { [ArcGIS.Samples.Shared.Attributes.Sample( name: "Map rotation", category: "MapView", description: "Rotate a map.", instructions: "Use the slider to rotate the map.", tags: new[] { "rotate", "rotation", "viewpoint" })] public partial class MapRotation { public MapRotation() { InitializeComponent(); Initialize(); } private void Initialize() { // Show a new map with a streets basemap. MyMapView.Map = new Map(BasemapStyle.ArcGISStreets); } private void MySlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e) { // Display the rotation value in the Label formatted nicely with degree symbol. MyLabel.Text = string.Format("{0:0}\u00b0", MySlider.Value); // Set the MapView rotation to that of the Slider. MyMapView.SetViewpointRotationAsync(e.NewValue); } } }