Thank you for your suggestions, @Destiny_Hochhalter
Here is the class where WorldScaleSceneView is created
import SwiftUI
import ArcGIS
import ArcGISToolkit
import CoreLocation
struct PropertyBoundsArView: View {
@EnvironmentObject var locationManager: LocationModel
@EnvironmentObject var geoDataParser: GeoDataParser
var boundariesGraphicsOverlay = GraphicsOverlay()
var modelsGraphicsOverlay = GraphicsOverlay()
var postGraphicsOverlay = GraphicsOverlay()
@State private var graphicsOverlays: [GraphicsOverlay] = [GraphicsOverlay()]
@State private var initialElevation = 0.0
@State private var mapTransparency: Float = 0.0
var propertyBoundsFilename: String
@State private var isShowing3dModels: Bool = false {
didSet {
updateGraphics()
}
}
@State private var isShowingPosts: Bool = true {
didSet {
updateGraphics()
}
}
@State public var scene: ArcGIS.Scene = {
// Creates an elevation source from Terrain3D REST service.
let elevationServiceURL = URL(
string: "https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"
)!
let elevationSource = ArcGISTiledElevationSource(url: elevationServiceURL)
var surface = Surface()
surface.addElevationSource(elevationSource)
surface.navigationConstraint = .unconstrained
surface.backgroundGrid.isVisible = false
let scene = Scene(basemapStyle: .arcGISNavigationNight)
scene.baseSurface = surface
scene.baseSurface.opacity = 0
return scene
}()
func updateGraphics() {
graphicsOverlays.removeAll()
if isShowing3dModels {
graphicsOverlays.append(modelsGraphicsOverlay)
}
if isShowingPosts {
graphicsOverlays.append(postGraphicsOverlay)
}
graphicsOverlays.append(boundariesGraphicsOverlay)
}
@State private var viewpoint: Viewpoint?
var body: some View {
ZStack {
WorldScaleSceneView { proxy in
SceneView(scene: scene, graphicsOverlays: graphicsOverlays)
}
.task {
try? await locationManager.locationDataSource.start()
guard let initialLocation = await locationManager.locationDataSource.locations.first(where: { location in
return true
}) else {
print("There was an issue getting the initial location")
return
}
if let userElevation = initialLocation.position.z {
initialElevation = userElevation
} else {
guard let tryGetElevation = try? await scene.baseSurface.elevation(at: initialLocation.position) else {
return
}
initialElevation = tryGetElevation
}
print("Users Initial Elevation is \(initialElevation)")
guard let modelPath = Bundle.main.url(forResource: "GJ_Logo", withExtension: "FBX") else
{
print("Path doesn't exists")
return
}
let symbol: ModelSceneSymbol = ModelSceneSymbol(url: modelPath, scale: 0.03)
// await locationManager.locationDataSource.stop()
boundariesGraphicsOverlay.sceneProperties.surfacePlacement = .relative
boundariesGraphicsOverlay.renderingMode = .dynamic
guard let graphics = geoDataParser.graphicsFromGeoJson(fileName: propertyBoundsFilename) else {
return
}
let fillSymbol = SimpleFillSymbol()
let renderer = SimpleRenderer(symbol: fillSymbol)
renderer.sceneProperties.extrusionMode = .baseHeight
renderer.sceneProperties.extrusionExpression = "2"
boundariesGraphicsOverlay.renderer = renderer
boundariesGraphicsOverlay.addGraphics(graphics["lines"]!)
guard let postGraphics = geoDataParser.graphicsFromGeoJson(fileName: propertyBoundsFilename, symbol: SimpleMarkerSceneSymbol(style: .cube, color: UIColor(red: 0.0, green: 1.0, blue: 1.0, alpha: 0.5), height: 1, width: 0.3, depth: 0.3, anchorPosition: .bottom)) else {
return
}
postGraphicsOverlay.addGraphics(postGraphics["posts"]!)
var modelGraphics = [Graphic]()
for graphic in graphics["lines"]! {
let point = graphic.geometry?.extent.center
modelGraphics.append(Graphic(geometry: point, symbol: symbol))
}
modelsGraphicsOverlay.addGraphics(modelGraphics)
updateGraphics()
}
VStack {
VStack {
VStack {
HStack {
Text("Map Transparency")
Spacer()
}
Slider(value: $mapTransparency, in: 0.0...1.0, step: 0.1)
.onChange(of: mapTransparency) { oldValue, newValue in
scene.baseSurface.opacity = newValue
}
}
.padding()
HStack {
Spacer()
Button {
withAnimation(.none) {
isShowing3dModels = !isShowing3dModels
}
} label: {
Text(isShowing3dModels ? "Hide 3D Models" : "Show 3D Models")
}
.buttonStyle(.bordered)
.foregroundStyle(isShowing3dModels ? .red : .primary)
.padding()
}
}
.padding(.top, 100)
Spacer()
}
}
}
}
