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View content beneath terrain surface

Subsurface features


// 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 Android.App;
using Android.OS;
using Android.Widget;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.Portal;
using Esri.ArcGISRuntime.UI.Controls;

namespace ArcGISRuntimeXamarin.Samples.ViewContentBeneathSurface
        "View content beneath terrain surface",
        "See through terrain in a scene and move the camera underground.",
    public class ViewContentBeneathSurface : Activity
        // Hold references to the UI controls.
        private SceneView _mySceneView;

        protected override void OnCreate(Bundle bundle)

            Title = "View content beneath terrain surface";


        private async void Initialize()
            // Load the item from ArcGIS Online.
            PortalItem webSceneItem = await PortalItem.CreateAsync(await ArcGISPortal.CreateAsync(), "91a4fafd747a47c7bab7797066cb9272");

            // Load the web scene from the item.
            Scene webScene = new Scene(webSceneItem);

            // Show the web scene in the view.
            _mySceneView.Scene = webScene;

            // Set the view properties to enable underground navigation.
            // Note: the scene in this sample sets these properties automatically.
            // Scenes authored in this way will be enabled for underground navigation without
            // changing the navigation constraint manually.
            _mySceneView.Scene.BaseSurface.NavigationConstraint = NavigationConstraint.None;
            _mySceneView.Scene.BaseSurface.Opacity = .6;

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

            // Add the map view to the layout.
            _mySceneView = new SceneView();

            // Show the layout in the app.

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