public void CopyToAfterRemovingItem()
{
// arrange
var layerCollection = new LayerCollection();
var layer1 = new MemoryLayer();
var layer2 = new MemoryLayer();
layerCollection.Add(layer1);
layerCollection.Add(layer2);
var size = layerCollection.Count();
var array = new ILayer[size];
layerCollection.Remove(layer1);
// act
layerCollection.CopyTo(array, 0);
// assert
Assert.AreEqual(2, array.Length);
Assert.NotNull(array[0], "first element not null");
// We have no crash but the seconds element is null.
// This might have unpleasant consequences.
Assert.Null(array[1], "second element IS null");
}
private async void ViewButton_Click(object sender, RoutedEventArgs e)
{
originPoint = null;
//Change button to 2D or 3D when button is clicked
ViewButton.Content = FindResource(ViewButton.Content == FindResource("3D") ? "2D" : "3D");
if (ViewButton.Content == FindResource("2D"))
{
threeD = true;
if (myScene == null)
{
//Create a new scene
myScene = new Scene(Basemap.CreateNationalGeographic());
sceneView.Scene = myScene;
// create an elevation source
var elevationSource = new ArcGISTiledElevationSource(new System.Uri(ELEVATION_IMAGE_SERVICE));
// create a surface and add the elevation surface
var sceneSurface = new Surface();
sceneSurface.ElevationSources.Add(elevationSource);
// apply the surface to the scene
sceneView.Scene.BaseSurface = sceneSurface;
//Exercise 3: Open mobie map package (.mmpk) and add its operational layers to the scene
var mmpk = await MobileMapPackage.OpenAsync(MMPK_PATH);
if (mmpk.Maps.Count >= 0)
{
myMap = mmpk.Maps[0];
LayerCollection layerCollection = myMap.OperationalLayers;
for (int i = 0; i < layerCollection.Count(); i++)
{
var thelayer = layerCollection[i];
myMap.OperationalLayers.Clear();
myScene.OperationalLayers.Add(thelayer);
sceneView.SetViewpoint(myMap.InitialViewpoint);
//Rotate the camera
Viewpoint viewpoint = sceneView.GetCurrentViewpoint(ViewpointType.CenterAndScale);
Esri.ArcGISRuntime.Geometry.MapPoint targetPoint = (MapPoint)viewpoint.TargetGeometry;
Camera camera = sceneView.Camera.RotateAround(targetPoint, 45.0, 65.0, 0.0);
await sceneView.SetViewpointCameraAsync(camera);
}
sceneView.Scene = myScene;
bufferAndQuerySceneGraphics.SceneProperties.SurfacePlacement = SurfacePlacement.Draped;
sceneView.GraphicsOverlays.Add(bufferAndQuerySceneGraphics);
sceneRouteGraphics.SceneProperties.SurfacePlacement = SurfacePlacement.Draped;
sceneView.GraphicsOverlays.Add(sceneRouteGraphics);
}
}
//Exercise 1 Once the scene has been created hide the mapView and show the sceneView
mapView.Visibility = Visibility.Hidden;
sceneView.Visibility = Visibility.Visible;
}
else
{
threeD = false;
sceneView.Visibility = Visibility.Hidden;
mapView.Visibility = Visibility.Visible;
}
}
public void CopyToWithNormalConditions()
{
// arrange
var layerCollection = new LayerCollection();
var layer1 = new MemoryLayer();
var layer2 = new MemoryLayer();
layerCollection.Add(layer1);
layerCollection.Add(layer2);
var size = layerCollection.Count();
var array = new ILayer[size];
// act
layerCollection.CopyTo(array, 0);
// assert
Assert.AreEqual(2, array.Length);
Assert.NotNull(array[0]);
Assert.NotNull(array[1]);
}