Display scene

View on GitHub

Display a scene with a terrain surface and some imagery.

Screenshot of display scene sample

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 arcGISImageryStandard basemap style.
  2. Create a Surface object.
  3. Add an ArcGISTiledElevationSource object to the surface.
  4. Set the surface to the scene's base surface.
  5. Create a SceneView instance with the scene.

Relevant API

  • ArcGISTiledElevationSource
  • Scene
  • SceneView
  • Surface

Tags

3D, basemap, elevation, scene, surface

Sample Code

DisplaySceneView.swift
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// Copyright 2022 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
//
//   https://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 ArcGIS
import SwiftUI

struct DisplaySceneView: View {
    /// A scene with imagery basemap style and a tiled elevation source.
    @State private var scene: ArcGIS.Scene = {
        // Creates a scene.
        let scene = Scene(basemapStyle: .arcGISImageryStandard)

        // Sets the initial viewpoint of the scene.
        scene.initialViewpoint = Viewpoint(
            latitude: .nan,
            longitude: .nan,
            scale: .nan,
            camera: Camera(
                latitude: 45.74,
                longitude: 6.88,
                altitude: 4500,
                heading: 10,
                pitch: 70,
                roll: 0
            )
        )

        // Creates a surface.
        let surface = Surface()

        // Creates a tiled elevation source.
        let worldElevationServiceURL = URL(string: "https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer")!
        let elevationSource = ArcGISTiledElevationSource(url: worldElevationServiceURL)

        // Adds the elevation source to the surface.
        surface.addElevationSource(elevationSource)

        // Sets the surface to the scene's base surface.
        scene.baseSurface = surface
        return scene
    }()

    var body: some View {
        // Creates a scene view with the scene.
        SceneView(scene: scene)
    }
}

#Preview {
    DisplaySceneView()
}

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