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Create terrain surface from a tile package

Terrain surface from a tile package


// Copyright 2019 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:
// 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 ArcGISRuntime.Samples.Managers;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.UI.Controls;
using Foundation;
using UIKit;

namespace ArcGISRuntimeXamarin.Samples.CreateTerrainSurfaceFromTilePackage
        "Create terrain surface from a tile package",
        "Use a terrain surface with elevation described by a local tile package.",
    public class CreateTerrainSurfaceFromTilePackage : UIViewController
        // Hold references to UI controls.
        private SceneView _mySceneView;

        public CreateTerrainSurfaceFromTilePackage()
            Title = "Create terrain surface from a tile package";

        private void Initialize()
            // Create the scene.
            _mySceneView.Scene = new Scene(Basemap.CreateImagery());

            // Get the path to the elevation tile package.
            string packagePath = DataManager.GetDataFolder("cce37043eb0440c7a5c109cf8aad5500", "MontereyElevation.tpk");

            // Create the elevation source from the tile cache.
            TileCache elevationCache = new TileCache(packagePath);
            ArcGISTiledElevationSource elevationSource = new ArcGISTiledElevationSource(elevationCache);

            // Create a surface to display the elevation source.
            Surface elevationSurface = new Surface();

            // Add the elevation source to the surface.

            // Add the surface to the scene.
            _mySceneView.Scene.BaseSurface = elevationSurface;

            // Set an initial camera viewpoint.
            Camera camera = new Camera(36.525, -121.80, 300.0, 180, 80.0, 0.0);

        public override void LoadView()
            // Create the views.
            View = new UIView();

            _mySceneView = new SceneView();
            _mySceneView.TranslatesAutoresizingMaskIntoConstraints = false;

            // Add the views.

            // Lay out the views.

        public override void ViewDidLoad()

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