Display a scene

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Display a scene with a terrain surface and some imagery.

Image of display scene

Use case

Scene views are 3D representations of real-world areas and objects. Scene views are helpful for visualizing complex datasets where 3D relationships, topography, and elevation of elements are important factors.

How to use the sample

When loaded, the sample will display a scene. Pan and zoom to explore the scene.

How it works

  1. Create a Scene object with the BasemapStyle.ArcGISImageryStandard basemap style.
  2. Create an ArcGISTiledElevationSource object and add it to the scene's base surface.
  3. Create a SceneView object to display the map.
  4. Set the scene to the scene view.

Relevant API

  • Scene
  • ArcGISTiledElevationSource
  • SceneView

Tags

3D, basemap, elevation, scene, surface

Sample Code

DisplayScene.cs
                                                                                                               
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// Copyright 2017 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 Android.App;
using Android.OS;
using Android.Views;
using Android.Widget;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.UI.Controls;
using System;
using Surface = Esri.ArcGISRuntime.Mapping.Surface;

namespace ArcGISRuntime.Samples.DisplayScene
{
    [Activity (ConfigurationChanges=Android.Content.PM.ConfigChanges.Orientation | Android.Content.PM.ConfigChanges.ScreenSize)]
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        name: "Display a scene",
        category: "Layers",
        description: "Display a scene with a terrain surface and some imagery.",
        instructions: "When loaded, the sample will display a scene. Pan and zoom to explore the scene.",
        tags: new[] { "3D", "basemap", "elevation", "scene", "surface" })]
    public class DisplayScene : Activity
    {
        // Hold a reference to the scene view.
        private SceneView _mySceneView;

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            Title = "Display scene";

            // Execute initialization
            CreateLayout();
            Initialize();
        }

        private void Initialize()
        {
            // Create a new scene
            Scene myScene = new Scene();

            // Crate a new base map using the static/shared create imagery method
            Basemap myBaseMap = new Basemap(BasemapStyle.ArcGISImageryStandard);

            // Add the imagery basemap to the scene's base map property
            myScene.Basemap = myBaseMap;

            // Add scene (with an imagery basemap) to the scene view's scene property
            _mySceneView.Scene = myScene;

            // Create a new surface
            Surface mySurface = new Surface();

            // Define the string that points to the elevation image service
            string myElevationImageService = "https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer";

            // Create a Uri from the elevation image service string
            Uri myUri = new Uri(myElevationImageService);

            // Create an ArcGIS tiled elevation
            ArcGISTiledElevationSource myArcGISTiledElevationSource = new ArcGISTiledElevationSource
            {

                // Set the ArcGIS tiled elevation sources property to the Uri of the elevation image service
                Source = myUri
            };

            // Add the ArcGIS tiled elevation source to the surface's elevated sources collection
            mySurface.ElevationSources.Add(myArcGISTiledElevationSource);

            // Set the scene's base surface to the surface with the ArcGIS tiled elevation source
            myScene.BaseSurface = mySurface;

            // Create camera with an initial camera position (Mount Everest in the Alps mountains)
            Camera myCamera = new Camera(28.4, 83.9, 10010.0, 10.0, 80.0, 300.0);

            // Set the scene view's camera position
            _mySceneView.SetViewpointCameraAsync(myCamera);
        }

        private void CreateLayout()
        {
            // Create a new vertical layout for the app
            LinearLayout layout = new LinearLayout(this) { Orientation = Orientation.Vertical };

            // Add the scene view to the layout
            _mySceneView = new SceneView(this);
            layout.AddView(_mySceneView);

            // Show the layout in the app
            SetContentView(layout);
        }

        protected override void OnDestroy()
        {
            base.OnDestroy();

            // Remove the sceneview
            (_mySceneView.Parent as ViewGroup).RemoveView(_mySceneView);
            _mySceneView.Dispose();
            _mySceneView = null;
        }
    }
}

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