Display a scene

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
//
// 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.
//

import UIKit
import ArcGIS

class DisplaySceneViewController: UIViewController {
    @IBOutlet var sceneView: AGSSceneView!

    override func viewDidLoad() {
        super.viewDidLoad()

        // add the source code button item to the right of navigation bar
        (self.navigationItem.rightBarButtonItem as! SourceCodeBarButtonItem).filenames = ["DisplaySceneViewController"]

        // Initialize scene with imagery basemap style.
        let scene = AGSScene(basemapStyle: .arcGISImagery)
        // assign scene to the scene view
        self.sceneView.scene = scene

        // set the viewpoint camera
        let camera = AGSCamera(latitude: 45.74, longitude: 6.88, altitude: 4500, heading: 10, pitch: 70, roll: 0)
        self.sceneView.setViewpointCamera(camera)

        // add base surface for elevation data
        let surface = AGSSurface()
        /// The url of the Terrain 3D ArcGIS REST Service.
        let worldElevationServiceURL = URL(string: "https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer")!
        let elevationSource = AGSArcGISTiledElevationSource(url: worldElevationServiceURL)
        surface.elevationSources.append(elevationSource)
        scene.baseSurface = surface
    }
}