Open scene (portal item)

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Open a web scene from a portal item.

Image of open a scene portal item

Use case

A scene is symbolized geospatial content that allows you to visualize and analyze geographic information in an intuitive and interactive 3D environment. Web scenes are an ArcGIS format for storing scenes in ArcGIS Online or portal. Scenes can be used to visualize a complex 3D environment like a city.

How to use the sample

When the sample opens, it will automatically display the scene from ArcGIS Online. Pan and zoom to explore the scene.

How it works

To open a web scene from a portal item:

  1. Create a PortalItem with an item ID pointing to a web scene.
  2. Create a Scene passing in the portal item.
  3. Set the scene to a SceneView to display it.

About the data

This sample uses a Berlin, Germany scene hosted on ArcGIS Online.

Relevant API

  • PortalItem
  • Scene
  • SceneView

Tags

portal, scene, web scene

Sample Code

OpenScenePortalItem.cs
                                                                                    
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// Copyright 2018 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 System;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.Portal;
using Esri.ArcGISRuntime.UI.Controls;
using Foundation;
using UIKit;

namespace ArcGISRuntime.Samples.OpenScenePortalItem
{
    [Register("OpenScenePortalItem")]
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        name: "Open scene (portal item)",
        category: "Scene",
        description: "Open a web scene from a portal item.",
        instructions: "When the sample opens, it will automatically display the scene from ArcGIS Online. Pan and zoom to explore the scene.",
        tags: new[] { "portal", "scene", "web scene" })]
    public class OpenScenePortalItem : UIViewController
    {
        // Hold references to UI controls.
        private SceneView _mySceneView;

        // Hold the ID of the portal item, which is a web scene.
        private const string ItemId = "31874da8a16d45bfbc1273422f772270";

        public OpenScenePortalItem()
        {
            Title = "Open scene (Portal item)";
        }

        private async void Initialize()
        {
            try
            {
                // Try to load the default portal, which will be ArcGIS Online.
                ArcGISPortal portal = await ArcGISPortal.CreateAsync();

                // Create the portal item.
                PortalItem websceneItem = await PortalItem.CreateAsync(portal, ItemId);

                // Create and show the scene.
                _mySceneView.Scene = new Scene(websceneItem);
            }
            catch (Exception e)
            {
                new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate) null, "OK", null).Show();
            }
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();
            Initialize();
        }

        public override void LoadView()
        {
            // Create the views.
            View = new UIView() { BackgroundColor = ApplicationTheme.BackgroundColor };
            _mySceneView = new SceneView();
            _mySceneView.TranslatesAutoresizingMaskIntoConstraints = false;

            // Add the views.
            View.AddSubviews(_mySceneView);

            // Lay out the views.
            NSLayoutConstraint.ActivateConstraints(new[]
            {
                _mySceneView.TopAnchor.ConstraintEqualTo(View.SafeAreaLayoutGuide.TopAnchor),
                _mySceneView.BottomAnchor.ConstraintEqualTo(View.BottomAnchor),
                _mySceneView.LeadingAnchor.ConstraintEqualTo(View.LeadingAnchor),
                _mySceneView.TrailingAnchor.ConstraintEqualTo(View.TrailingAnchor)
            });
        }
    }
}

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