// Creates a feature layer from a local .geodatabase file
private async void CreateFeatureLayers()
{
try
{
var file = await ApplicationData.Current.LocalFolder.TryGetItemAsync(GdbPath);
if (file == null)
{
throw new Exception("Local geodatabase not found. Please download sample data from 'Sample Data Settings'");
}
var gdb = await Geodatabase.OpenAsync(file.Path);
var table = gdb.FeatureTables.First(ft => ft.Name == "US-States");
_statesLayer = new FeatureLayer()
{
ID = table.Name, FeatureTable = table
};
MyMapView.Map.Layers.Insert(1, _statesLayer);
}
catch (Exception ex)
{
var _x = new MessageDialog("Error creating feature layer: " + ex.Message, "Sample Error").ShowAsync();
}
}
private async void AddFeatureLayerToMap(string path)
{
try
{
//Open the .geodatabase file
var gdb = await Geodatabase.OpenAsync(path);
//Loop through each table in the geodatabase
foreach (var table in gdb.FeatureTables)
{
//Create a new featurelayer from each feature table
var flayer = new FeatureLayer()
{
ID = table.Name,
DisplayName = table.Name,
FeatureTable = table
};
//Add each featurelayer to the map
MyMapView.Map.Layers.Add(flayer);
}
} catch (Exception ex)
{
Console.WriteLine("Cannot Add Layers");
}
}
private async void SyncEditsButton_Click(object sender, RoutedEventArgs e)
{
var gdb = await Geodatabase.OpenAsync(this.LocalDataPathTextBlock.Text);
// create a new GeodatabaseSyncTask with the uri of the feature server to pull from
var serverUrl = this.featureLayerServiceUrl.Substring(0, this.featureLayerServiceUrl.LastIndexOf('/'));
var uri = new Uri(serverUrl);
var geodatabaseSyncTask = new GeodatabaseSyncTask(uri);
var geodatabaseSyncParams = new SyncGeodatabaseParameters();
geodatabaseSyncParams.SyncDirection = SyncDirection.Bidirectional;
var checkStatusInterval = new TimeSpan(0, 0, 3);
// Create a System.Progress<T> object to report status as the task executes
var progress = new Progress <GeodatabaseStatusInfo>();
progress.ProgressChanged += (s, info) =>
{
this.SyncStatusTextBlock.Text = "Sync edits: " + info.Status;
};
this.SyncStatusTextBlock.Text = "Starting sync ...";
this.SyncProgressBar.Visibility = System.Windows.Visibility.Visible;
this.SyncStatusPanel.Visibility = System.Windows.Visibility.Visible;
var result = await geodatabaseSyncTask.SyncGeodatabaseAsync(geodatabaseSyncParams, gdb, syncCompleteCallback, uploadCompleteCallback, checkStatusInterval, progress, new CancellationToken());
}
private async void CreateFeatureLayers()
{
var gdb = await Geodatabase.OpenAsync(this.GDB);
Envelope extent = null;
foreach (var table in gdb.FeatureTables)
{
var flayer = new FeatureLayer()
{
ID = table.Name,
DisplayName = "Parking Meters",
FeatureTable = table
};
// OverlayItemsControl overlays = this.mapView.Overlays;
// OverlayItemsCollection collection = overlays.Items;
// System.Text.StringBuilder sb = new System.Text.StringBuilder(@"<Border CornerRadius=""10""
// xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
// BorderBrush=""Black""
// Margin=""0,0,25,25"" Visibility=""Hidden""
// BorderThickness=""2"" Background=""#995C90B2"" >");
// sb.Append(@" <StackPanel Orientation=""Vertical"" Margin=""5,10,18,15"">");
// sb.Append(@" <StackPanel Orientation=""Horizontal"">");
// sb.Append(@" <TextBlock Text=""ID: "" FontWeight=""Normal"" Height=""20"" Foreground=""White""/>");
// sb.Append(@" <TextBlock Text=""{Binding [POST_ID]}"" FontWeight=""Normal"" ");
// sb.Append(@" Foreground=""White"" Height=""20""/>");
// sb.Append(@" </StackPanel>");
// sb.Append(@" <StackPanel Orientation=""Horizontal"">");
// sb.Append(@" <TextBlock Text=""Street: "" FontWeight=""Normal"" Height=""20"" Foreground=""White""/>");
// sb.Append(@" <TextBlock Text=""{Binding [STREETNAME]}"" FontWeight=""Normal"" ");
// sb.Append(@" Foreground=""White"" Height=""20""/>");
// sb.Append(@" </StackPanel>");
// sb.Append(@" </StackPanel>");
// sb.Append(@" </Border>");
// System.Windows.FrameworkElement element =
// (System.Windows.FrameworkElement)System.Windows.Markup.XamlReader.Parse(sb.ToString());
// collection.Add(element);
if (!Geometry.IsNullOrEmpty(table.ServiceInfo.Extent))
{
if (Geometry.IsNullOrEmpty(extent))
{
extent = table.ServiceInfo.Extent;
}
else
{
extent = extent.Union(table.ServiceInfo.Extent);
}
}
this.mapView.Map.Layers.Add(flayer);
}
await this.mapView.SetViewAsync(extent.Expand(1.10));
}
private async void Initialize()
{
// NOTE: to be a writable geodatabase, this geodatabase must be generated from a service with a GeodatabaseSyncTask. See the "Generate geodatabase" sample.
try
{
// Create and load geodatabase.
string geodatabasePath = DataManager.GetDataFolder("74c0c9fa80f4498c9739cc42531e9948", "loudoun_anno.geodatabase");
Geodatabase geodatabase = await Geodatabase.OpenAsync(geodatabasePath);
// Create feature layers from tables in the geodatabase.
FeatureLayer addressFeatureLayer = new FeatureLayer(geodatabase.GeodatabaseFeatureTable("Loudoun_Address_Points_1"));
FeatureLayer parcelFeatureLayer = new FeatureLayer(geodatabase.GeodatabaseFeatureTable("ParcelLines_1"));
// Create annotation layers from tables in the geodatabase.
AnnotationLayer addressAnnotationLayer = new AnnotationLayer(geodatabase.GeodatabaseAnnotationTable("Loudoun_Address_PointsAnno_1"));
AnnotationLayer parcelAnnotationLayer = new AnnotationLayer(geodatabase.GeodatabaseAnnotationTable("ParcelLinesAnno_1"));
// Create a map with the layers.
_myMapView.Map = new Map(BasemapStyle.ArcGISLightGray);
_myMapView.Map.OperationalLayers.AddRange(new List <Layer> {
addressFeatureLayer, parcelFeatureLayer, addressAnnotationLayer, parcelAnnotationLayer
});
// Zoom to the extent of the parcels.
await parcelFeatureLayer.LoadAsync();
_myMapView.SetViewpoint(new Viewpoint(parcelFeatureLayer.FullExtent));
}
catch (Exception ex)
{
new UIAlertView(ex.GetType().Name, ex.Message, (IUIAlertViewDelegate)null, "Ok", null).Show();
}
}
private async void Initialize()
{
// Create a new map to display in the map view with a streets basemap.
_myMapView.Map = new Map(Basemap.CreateStreets());
// Get the path to the downloaded mobile geodatabase (.geodatabase file).
string mobileGeodatabaseFilePath = GetMobileGeodatabasePath();
try
{
// Open the mobile geodatabase.
Geodatabase mobileGeodatabase = await Geodatabase.OpenAsync(mobileGeodatabaseFilePath);
// Get the 'Trailheads' geodatabase feature table from the mobile geodatabase.
GeodatabaseFeatureTable trailheadsGeodatabaseFeatureTable = mobileGeodatabase.GeodatabaseFeatureTable("Trailheads");
// Asynchronously load the 'Trailheads' geodatabase feature table.
await trailheadsGeodatabaseFeatureTable.LoadAsync();
// Create a feature layer based on the geodatabase feature table.
FeatureLayer trailheadsFeatureLayer = new FeatureLayer(trailheadsGeodatabaseFeatureTable);
// Add the feature layer to the operations layers collection of the map.
_myMapView.Map.OperationalLayers.Add(trailheadsFeatureLayer);
// Zoom the map to the extent of the feature layer.
await _myMapView.SetViewpointGeometryAsync(trailheadsFeatureLayer.FullExtent, 50);
}
catch (Exception e)
{
new AlertDialog.Builder(this).SetMessage(e.ToString()).SetTitle("Error").Show();
}
}
async void LoadGeoDb(EngineeringMap emap)
{
string file = ProjDef.LocalFilePath + "\\" + emap.LocalGeoDbFileName;
if (File.Exists(file))
{
Geodatabase gdb = await Geodatabase.OpenAsync(file);
IEnumerable <GeodatabaseFeatureTable> featureTables =
gdb.FeatureTables;
List <GdbLayer> gdbLayers = new List <GdbLayer>();
foreach (var table in featureTables)
{
GdbLayer layer = new GdbLayer();
layer.Name = table.Name;
layer.Visibility = false;
layer.FeatureTable = table;
gdbLayers.Add(layer);
LayerDef lyrDef = emap.LocalGdbLayersDef.Find(x => x.Name == table.Name);
if (lyrDef == null)
{
lyrDef = GdbHelper.GenerateDefaultLayerDef(table);
emap.LocalGdbLayersDef.Add(lyrDef);
}
await GdbHelper.addGeodatabaseLayer(Map, lyrDef, table);
}
GeoDBLayrList.ItemsSource = gdbLayers;
}
}
private async void Initialize()
{
// Create a new map to display in the map view with a streets basemap.
_myMapView.Map = new Map(Basemap.CreateStreets());
// Get the path to the downloaded mobile geodatabase (.geodatabase file).
string mobileGeodatabaseFilePath = DataManager.GetDataFolder("2b0f9e17105847809dfeb04e3cad69e0", "LA_Trails.geodatabase");
try
{
// Open the mobile geodatabase.
Geodatabase mobileGeodatabase = await Geodatabase.OpenAsync(mobileGeodatabaseFilePath);
// Get the 'Trailheads' geodatabase feature table from the mobile geodatabase.
GeodatabaseFeatureTable trailheadsGeodatabaseFeatureTable = mobileGeodatabase.GeodatabaseFeatureTable("Trailheads");
// Asynchronously load the 'Trailheads' geodatabase feature table.
await trailheadsGeodatabaseFeatureTable.LoadAsync();
// Create a feature layer based on the geodatabase feature table.
FeatureLayer trailheadsFeatureLayer = new FeatureLayer(trailheadsGeodatabaseFeatureTable);
// Add the feature layer to the operations layers collection of the map.
_myMapView.Map.OperationalLayers.Add(trailheadsFeatureLayer);
// Zoom the map to the extent of the feature layer.
await _myMapView.SetViewpointGeometryAsync(trailheadsFeatureLayer.FullExtent, 50);
}
catch (Exception e)
{
new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
private async void Next_Click(object sender, RoutedEventArgs e)
{
EMapLayersList = new List <EMapLayers>();
foreach (EngineeringMap emap in _projDef.EngineeringMaps)
{
string file = _projDef.LocalFilePath + "\\" + emap.LocalGeoDbFileName;
if (File.Exists(file))
{
EMapLayers eMapLayers = new EMapLayers();
eMapLayers.EMapName = emap.MapID;
// Open geodatabase
Geodatabase gdb = await Geodatabase.OpenAsync(file);
IEnumerable <GeodatabaseFeatureTable> featureTables =
gdb.FeatureTables;
foreach (var table in featureTables)
{
eMapLayers.EMapLayerNameList.Add(table.Name);
}
EMapLayersList.Add(eMapLayers);
}
}
// finish
DialogResult = true;
Close();
}
private async void Initialize()
{
// Create a new map to display in the map view with a streets basemap.
MyMapView.Map = new Map(Basemap.CreateStreets());
// Get the path to the downloaded mobile geodatabase (.geodatabase file).
string mobileGeodatabaseFilePath = GetMobileGeodatabasePath();
// Open the mobile geodatabase.
Geodatabase mobileGeodatabase = await Geodatabase.OpenAsync(mobileGeodatabaseFilePath);
// Get the 'Trailheads' geodatabase feature table from the mobile geodatabase.
GeodatabaseFeatureTable trailheadsGeodatabaseFeatureTable = mobileGeodatabase.GeodatabaseFeatureTable("Trailheads");
// Asynchronously load the 'Trailheads' geodatabase feature table.
await trailheadsGeodatabaseFeatureTable.LoadAsync();
// Create a feature layer based on the geodatabase feature table.
FeatureLayer trailheadsFeatureLayer = new FeatureLayer(trailheadsGeodatabaseFeatureTable);
// Add the feature layer to the operations layers collection of the map.
MyMapView.Map.OperationalLayers.Add(trailheadsFeatureLayer);
// Zoom the map to the extent of the feature layer.
await MyMapView.SetViewpointGeometryAsync(trailheadsFeatureLayer.FullExtent);
}
/// <summary>
/// Create layers from all tables in given geodatabase.
/// </summary>
/// <param name="path">Full path to geodatabase</param>
/// <returns>Returns list of <see cref="FeatureLayer"/> that are defind in the local geodatabase.</returns>
private async Task <List <FeatureLayer> > CreateOfflineOperationalLayersAsync(string path)
{
var layers = new List <FeatureLayer>();
// When working with files, API differs on Windows Phone / Store and WPF.
// This works for WPF and Windows Phone but for Windows Store doesn't
// implement FileInfo class so this should be abstracted if targeted for multipatform.
//var fileInfo = new FileInfo(path);
//if (!fileInfo.Exists)
//{
// throw new FileNotFoundException("Geodatabase not found.", path);
//}
// Open instance of local geodatabase
var geodatabase = await Geodatabase.OpenAsync(path);
// Loop through all the feature classes / services that are in the geodatabase
// and create new FeatureLayer from those
foreach (var table in geodatabase.FeatureTables)
{
var layer = new FeatureLayer()
{
ID = table.Name,
DisplayName = table.Name,
FeatureTable = table
};
layers.Add(layer);
}
return(layers);
}
private async void Initialize()
{
// Create a new map to display in the map view with a streets basemap.
MyMapView.Map = new Map(BasemapStyle.ArcGISStreets);
// Get the path to the downloaded mobile geodatabase (.geodatabase file).
string mobileGeodatabaseFilePath = GetMobileGeodatabasePath();
try
{
// Open the mobile geodatabase.
Geodatabase mobileGeodatabase = await Geodatabase.OpenAsync(mobileGeodatabaseFilePath);
// Get the 'Trailheads' geodatabase feature table from the mobile geodatabase.
GeodatabaseFeatureTable trailheadsGeodatabaseFeatureTable = mobileGeodatabase.GeodatabaseFeatureTable("Trailheads");
// Asynchronously load the 'Trailheads' geodatabase feature table.
await trailheadsGeodatabaseFeatureTable.LoadAsync();
// Create a feature layer based on the geodatabase feature table.
FeatureLayer trailheadsFeatureLayer = new FeatureLayer(trailheadsGeodatabaseFeatureTable);
// Add the feature layer to the operations layers collection of the map.
MyMapView.Map.OperationalLayers.Add(trailheadsFeatureLayer);
// Zoom the map to the extent of the feature layer.
await MyMapView.SetViewpointGeometryAsync(trailheadsFeatureLayer.FullExtent, 50);
}
catch (Exception e)
{
await Application.Current.MainPage.DisplayAlert("Error", e.ToString(), "OK");
}
}
private async void CreateFeatureLayers()
{
var gdb = await Geodatabase.OpenAsync(this.GDB);
Envelope extent = null;
foreach (var table in gdb.FeatureTables)
{
var flayer = new FeatureLayer()
{
ID = table.Name,
DisplayName = "Parking Meters",
FeatureTable = table
};
if (!Geometry.IsNullOrEmpty(table.ServiceInfo.Extent))
{
if (Geometry.IsNullOrEmpty(extent))
{
extent = table.ServiceInfo.Extent;
}
else
{
extent = extent.Union(table.ServiceInfo.Extent);
}
}
this.mapView.Map.Layers.Add(flayer);
}
await this.mapView.SetViewAsync(extent.Expand(1.10));
}
// Create feature layers from the given geodatabase file
private async Task CreateFeatureLayersAsync(string gdbPath)
{
try
{
var gdb = await Geodatabase.OpenAsync(gdbPath);
if (gdb.FeatureTables.Count() == 0)
{
throw new ApplicationException("Downloaded geodatabase has no feature tables.");
}
var groupLayer = MyMapView.Map.Layers["Local_Geodatabase"] as GroupLayer;
if (groupLayer != null)
{
MyMapView.Map.Layers.Remove(groupLayer);
}
groupLayer = new GroupLayer()
{
ID = "Local_Geodatabase",
DisplayName = string.Format("Local ({0})", gdbPath)
};
Envelope extent = gdb.FeatureTables.First().Extent;
foreach (var table in gdb.FeatureTables)
{
//if this call is made after FeatureTable is initialized, a call to FeatureLayer.ResetRender will be required.
table.UseAdvancedSymbology = true;
var flayer = new FeatureLayer()
{
ID = table.Name,
DisplayName = string.Format("{0} ({1})", table.Name, table.RowCount),
FeatureTable = table
};
if (table.Extent != null)
{
if (extent == null)
{
extent = table.Extent;
}
else
{
extent = extent.Union(table.Extent);
}
}
groupLayer.ChildLayers.Add(flayer);
}
MyMapView.Map.Layers.Add(groupLayer);
await MyMapView.SetViewAsync(extent.Expand(1.10));
}
catch (Exception ex)
{
MessageBox.Show("Error creating feature layer: " + ex.Message, "Sample Error");
}
}
// Create feature layers from the given geodatabase file
private async Task CreateFeatureLayersAsync(string gdbPath)
{
try
{
var gdb = await Geodatabase.OpenAsync(gdbPath);
if (gdb.FeatureTables.Count() == 0)
{
throw new ApplicationException("Downloaded geodatabase has no feature tables.");
}
var groupLayer = mapView.Map.Layers["Local_Geodatabase"] as GroupLayer;
if (groupLayer != null)
{
mapView.Map.Layers.Remove(groupLayer);
}
groupLayer = new GroupLayer()
{
ID = "Local_Geodatabase",
DisplayName = string.Format("Local ({0})", gdbPath)
};
Envelope extent = new Envelope();
foreach (var table in gdb.FeatureTables)
{
var flayer = new FeatureLayer()
{
ID = table.Name,
DisplayName = string.Format("{0} ({1})", table.Name, table.RowCount),
FeatureTable = table
};
if (table.Extent != null)
{
if (extent == null)
{
extent = table.Extent;
}
else
{
extent = extent.Union(table.Extent);
}
}
groupLayer.ChildLayers.Add(flayer);
}
mapView.Map.Layers.Add(groupLayer);
await mapView.SetViewAsync(extent.Expand(1.10));
}
catch (Exception ex)
{
MessageBox.Show("Error creating feature layer: " + ex.Message, "Sample Error");
}
}
private async void Initialize()
{
// Create new Map with basemap
Map myMap = new Map(Basemap.CreateTopographic());
// Provide Map to the MapView
_myMapView.Map = myMap;
// Get the path to the geodatabase
string geodbFilePath = GetGeodatabasePath();
// Load the geodatabase from local storage
Geodatabase baseGeodatabase = await Geodatabase.OpenAsync(geodbFilePath);
// Get the path to the symbol dictionary
string symbolFilepath = GetStyleDictionaryPath();
try
{
// Load the symbol dictionary from local storage
// Note that the type of the symbol definition must be explicitly provided along with the file name
DictionarySymbolStyle symbolStyle = await DictionarySymbolStyle.OpenAsync("mil2525d", symbolFilepath);
// Add geodatabase features to the map, using the defined symbology
foreach (FeatureTable table in baseGeodatabase.GeodatabaseFeatureTables)
{
// Load the table
await table.LoadAsync();
// Create the feature layer from the table
FeatureLayer myLayer = new FeatureLayer(table);
// Load the layer
await myLayer.LoadAsync();
// Create a Dictionary Renderer using the DictionarySymbolStyle
DictionaryRenderer dictRenderer = new DictionaryRenderer(symbolStyle);
// Apply the dictionary renderer to the layer
myLayer.Renderer = dictRenderer;
// Add the layer to the map
myMap.OperationalLayers.Add(myLayer);
}
// Create geometry for the center of the map
MapPoint centerGeometry = new MapPoint(-13549402.587055, 4397264.96879385, SpatialReference.Create(3857));
// Set the map's viewpoint to highlight the desired content
_myMapView.SetViewpoint(new Viewpoint(centerGeometry, 201555));
}
catch (Exception e)
{
new AlertDialog.Builder(this).SetMessage(e.ToString()).SetTitle("Error").Show();
}
}
private async void MapsCB_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
EngineeringMap emap = MapsCB.SelectedItem as EngineeringMap;
if (emap == null)
{
return;
}
List <LayerDef> lyrsDef = emap.LocalGdbLayersDef;
LayerDef lyrDef = lyrsDef.Find(x => x.Name == _lyrName);
if (lyrDef == null)
{
return;
}
// load tiled layer
//
string file = _prjDef.LocalTilePath + "\\" + emap.LocalTileFileName1;
if (File.Exists(file))
{
ArcGISLocalTiledLayer newLayr = new ArcGISLocalTiledLayer(file);
newLayr.ID = "TiledLayer1";
newLayr.DisplayName = "TileLayer1";
Map.Layers.Add(newLayr);
//if (newLayr.FullExtent != null)
//{
// MyMapView.SetView(newLayr.FullExtent);
//}
}
// load the specified layer
//
file = _prjDef.LocalFilePath + "\\" + emap.LocalGeoDbFileName;
if (File.Exists(file))
{
// Open geodatabase
Geodatabase gdb = await Geodatabase.OpenAsync(file);
IEnumerable <GeodatabaseFeatureTable> featureTables =
gdb.FeatureTables;
foreach (var table in featureTables)
{
if (table.Name == _lyrName)
{
// Add the feature layer to the map
await GdbHelper.addGeodatabaseLayer(Map, lyrDef, table);
MyMapView.SetView(table.Extent);
break;
}
}
}
}
// Load the specifiled emap's geodatabase, and add all the features layers to the map.
//
async Task ReloadGeoDb(EngineeringMap emap)
{
// Clear existing Local GeoDB layers
if (GeoDBLayrLB.ItemsSource != null)
{
foreach (var item in GeoDBLayrLB.ItemsSource)
{
GdbLayer lyr = item as GdbLayer;
Layer mapLyr = Map.Layers[lyr.Name];
if (mapLyr != null)
{
Map.Layers.Remove(mapLyr);
}
}
GeoDBLayrLB.ItemsSource = null;
}
// Load new
string file = _projDef.LocalFilePath + "\\" + emap.LocalGeoDbFileName;
if (File.Exists(file))
{
// Open geodatabase
Geodatabase gdb = await Geodatabase.OpenAsync(file);
IEnumerable <GeodatabaseFeatureTable> featureTables =
gdb.FeatureTables;
List <GdbLayer> gdbLayers = new List <GdbLayer>();
foreach (var table in featureTables)
{
// Search LayerDef, use default if not found.
LayerDef lyrDef = emap.LocalGdbLayersDef.Find(x => x.Name == table.Name);
if (lyrDef == null)
{
lyrDef = GdbHelper.GenerateDefaultLayerDef(table);
emap.LocalGdbLayersDef.Add(lyrDef);
}
// GdbLayer is used for UI binding and selection operations.
GdbLayer layer = new GdbLayer();
layer.Name = table.Name;
layer.Visibility = lyrDef.IsVisible;
layer.LayerObject = layer;
layer.FeatureTable = table;
layer.Extent = table.Extent;
gdbLayers.Add(layer);
// Add the feature layer to the map
await GdbHelper.addGeodatabaseLayer(Map, lyrDef, table);
}
// Refresh UI
GeoDBLayrLB.ItemsSource = gdbLayers;
}
}
private async void Initialize()
{
// Create new Map with basemap
Map myMap = new Map(Basemap.CreateTopographic());
// Provide Map to the MapView
MyMapView.Map = myMap;
// Get the path to the geodatabase
string geodbFilePath = GetGeodatabasePath();
// Load the geodatabase from local storage
Geodatabase baseGeodatabase = await Geodatabase.OpenAsync(geodbFilePath);
// Get the path to the symbol dictionary
string symbolFilepath = GetStyleDictionaryPath();
try
{
// Load the symbol dictionary from local storage
DictionarySymbolStyle symbolStyle = await DictionarySymbolStyle.CreateFromFileAsync(symbolFilepath);
// Add geodatabase features to the map, using the defined symbology
foreach (FeatureTable table in baseGeodatabase.GeodatabaseFeatureTables)
{
// Load the table
await table.LoadAsync();
// Create the feature layer from the table
FeatureLayer myLayer = new FeatureLayer(table);
// Load the layer
await myLayer.LoadAsync();
// Create a Dictionary Renderer using the DictionarySymbolStyle
DictionaryRenderer dictRenderer = new DictionaryRenderer(symbolStyle);
// Apply the dictionary renderer to the layer
myLayer.Renderer = dictRenderer;
// Add the layer to the map
myMap.OperationalLayers.Add(myLayer);
}
// Create geometry for the center of the map
MapPoint centerGeometry = new MapPoint(-13549402.587055, 4397264.96879385, SpatialReference.Create(3857));
// Set the map's viewpoint to highlight the desired content
MyMapView.SetViewpoint(new Viewpoint(centerGeometry, 201555));
}
catch (Exception e)
{
await Application.Current.MainPage.DisplayAlert("Error", e.ToString(), "OK");
}
}
private async void Initialize()
{
// Create new Map with basemap.
Map map = new Map(Basemap.CreateTopographic());
// Provide Map to the MapView.
_myMapView.Map = map;
// Get the path to the geodatabase.
string geodbFilePath = DataManager.GetDataFolder("e0d41b4b409a49a5a7ba11939d8535dc", "militaryoverlay.geodatabase");
// Load the geodatabase from local storage.
Geodatabase baseGeodatabase = await Geodatabase.OpenAsync(geodbFilePath);
// Get the path to the symbol dictionary.
string symbolFilepath = DataManager.GetDataFolder("e34835bf5ec5430da7cf16bb8c0b075c", "mil2525d.stylx");
try
{
// Load the symbol dictionary from local storage.
// Note that the type of the symbol definition must be explicitly provided along with the file name.
DictionarySymbolStyle symbolStyle = await DictionarySymbolStyle.OpenAsync("mil2525d", symbolFilepath);
// Add geodatabase features to the map, using the defined symbology.
foreach (GeodatabaseFeatureTable table in baseGeodatabase.GeodatabaseFeatureTables)
{
// Load the table.
await table.LoadAsync();
// Create the feature layer from the table.
FeatureLayer layer = new FeatureLayer(table);
// Load the layer.
await layer.LoadAsync();
// Create and use a Dictionary Renderer using the DictionarySymbolStyle.
layer.Renderer = new DictionaryRenderer(symbolStyle);
// Add the layer to the map.
map.OperationalLayers.Add(layer);
}
// Create geometry for the center of the map.
MapPoint centerGeometry = new MapPoint(-13549402.587055, 4397264.96879385, SpatialReference.Create(3857));
// Set the map's viewpoint to highlight the desired content.
_myMapView.SetViewpoint(new Viewpoint(centerGeometry, 201555));
}
catch (Exception e)
{
new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
// Generate / download and display layers from a generated geodatabase
private async Task GenerateLocalGeodatabaseAsync(Envelope extent)
{
try
{
IsBusy = true;
ReportStatus("Creating GeodatabaseSyncTask...");
var syncTask = new GeodatabaseSyncTask(new Uri(BASE_URL));
var options = new GenerateGeodatabaseParameters(new int[] { 1 }, extent)
{
GeodatabasePrefixName = GDB_PREFIX,
ReturnAttachments = false,
OutSpatialReference = extent.SpatialReference,
SyncModel = SyncModel.PerLayer
};
var tcs = new TaskCompletionSource <GeodatabaseStatusInfo>();
Action <GeodatabaseStatusInfo, Exception> completionAction = (info, ex) =>
{
if (ex != null)
{
tcs.SetException(ex);
}
tcs.SetResult(info);
};
var generationProgress = new Progress <GeodatabaseStatusInfo>();
generationProgress.ProgressChanged += (sndr, sts) => { SecondaryStatus = sts.Status.ToString(); };
ReportStatus("Starting GenerateGeodatabase...");
var result = await syncTask.GenerateGeodatabaseAsync(options, completionAction,
TimeSpan.FromSeconds(3), generationProgress, CancellationToken.None);
ReportStatus("Waiting on geodatabase from server...");
var statusResult = await tcs.Task;
ReportStatus("Downloading Geodatabase...");
await DownloadGeodatabaseAsync(statusResult);
ReportStatus("Opening Geodatabase...");
var gdb = await Geodatabase.OpenAsync(_gdbPath);
ReportStatus("Create local feature layers...");
await CreateFeatureLayers(gdb);
_onlineBirdsLayer.IsVisible = false;
}
finally
{
IsBusy = false;
}
}
async Task addLocalGeoDbFile(string filePath)
{
if (File.Exists(filePath))
{
Geodatabase gdb = await Geodatabase.OpenAsync(filePath);
foreach (var layerDef in _eMap.LocalGdbLayersDef)
{
await addGeodatabaseLayer(layerDef, gdb);
}
}
}
/// <summary>
/// Adds a SQLite geodatabase to the list of layers.
/// </summary>
/// <param name="pathToGeodatabase">the file to be loaded</param>
/// <returns>simply a marker indicating that things completed (true all good, false not all good)</returns>
public async Task <bool> AddSQLiteGeodatabaseAsync(string pathToGeodatabase)
{
bool allGood = true;
if (!this.HasLayerFileSource(pathToGeodatabase))
{
LayerFileSource lfs = new LayerFileSource();
lfs.SourceFile = pathToGeodatabase;
this.LayerFileSources.Add(lfs);
Geodatabase gdb = await Geodatabase.OpenAsync(pathToGeodatabase);
//
// Store the test layers.
//
foreach (GeodatabaseFeatureTable gft in gdb.GeodatabaseFeatureTables)
{
TesterLayer testLayer = new TesterLayer();
testLayer.FeatureTable = gft;
gft.PropertyChanged += GeodbFeatTab_PropertyChanged;
lfs.Children.Add(testLayer);
}
//
// Now load them all.
//
foreach (TesterLayer tl in lfs.Children)
{
GeodatabaseFeatureTable gtab = tl.FeatureTable;
try
{
await gtab.LoadAsync();
FeatureLayer fLayer = new FeatureLayer(gtab);
fLayer.PropertyChanged += FeatureLayer_PropertyChanged;
await fLayer.LoadAsync();
fLayer.LabelsEnabled = true;
this.Map.OperationalLayers.Add(fLayer);
tl.FeatureLayer = fLayer;
}
catch (Exception exc)
{
tl.LayerLoadException = exc;
allGood = false;
tl.LoadDone = true;
}
}
}
return(allGood);
}
private async void Initialize()
{
// Create new Map with basemap
Map myMap = new Map(Basemap.CreateTopographic());
// Provide Map to the MapView
MyMapView.Map = myMap;
// Create geometry for the center of the map
MapPoint centerGeometry = new MapPoint(-13549402.587055, 4397264.96879385, SpatialReference.Create(3857));
// Set the map's viewpoint to highlight the desired content
await MyMapView.SetViewpointCenterAsync(centerGeometry);
await MyMapView.SetViewpointScaleAsync(201555.279);
// Get the path to the geodatabase
string geodbFilePath = await GetPreparedFilePath(_geodatabaseName, _geodatabaseId);
// Load the geodatabase from local storage
Geodatabase baseGeodatabase = await Geodatabase.OpenAsync(geodbFilePath);
// Get the path to the symbol dictionary
string symbolFilepath = await GetPreparedFilePath(_symbolDefName, _symbolDefId);
// Load the symbol dictionary from local storage
// Note that the type of the symbol definition must be explicitly provided along with the file name
DictionarySymbolStyle symbolStyle = await DictionarySymbolStyle.OpenAsync("mil2525d", symbolFilepath);
// Add geodatabase features to the map, using the defined symbology
foreach (FeatureTable table in baseGeodatabase.GeodatabaseFeatureTables)
{
// Load the table
await table.LoadAsync();
// Create the feature layer from the table
FeatureLayer myLayer = new FeatureLayer(table);
// Load the layer
await myLayer.LoadAsync();
// Create a Dictionary Renderer using the DictionarySymbolStyle
DictionaryRenderer dictRenderer = new DictionaryRenderer(symbolStyle);
// Apply the dictionary renderer to the layer
myLayer.Renderer = dictRenderer;
// Add the layer to the map
myMap.OperationalLayers.Add(myLayer);
}
}
/// <summary>
/// Executes ViewModel initialization logic. Called when ViewModel is created from base view model.
/// </summary>
protected override async Task InitializeAsync()
{
// Create map with layers
Map = new Map()
{
InitialExtent = new Envelope(-14161146.113642, 3137996.40676956, -7626168.31478212, 6574986.2928574)
};
// Basemap layer from ArcGIS Online hosted service
var basemap = new ArcGISLocalTiledLayer()
{
ID = "Basemap",
DisplayName = "Basemap",
Path = @"../../../../Data/TileCaches/Topographic.tpk"
};
// Initialize layer in Try - Catch
Exception exceptionToHandle = null;
try
{
await basemap.InitializeAsync();
Map.Layers.Add(basemap);
// Open geodatbase and find States feature table
var geodatabase = await Geodatabase.OpenAsync(@"../../../../Data/Databases/usa.geodatabase");
_featureTable = geodatabase.FeatureTables.First(x => x.Name == "States");
// Create graphics layer for start and endpoints
CreateGraphicsLayers();
IsInitialized = true;
}
catch (Exception exception)
{
// Exception is thrown ie if layer url is not found - ie. {"Error code '400' : 'Invalid URL'"}
exceptionToHandle = exception;
}
if (exceptionToHandle != null)
{
// Initialization failed, show message and return
await MessageService.Instance.ShowMessage(string.Format(
"Could not create basemap. Error = {0}", exceptionToHandle.ToString()),
"An error occured");
return;
}
}
/// <summary>Add feature tables from a local geodatabase as layers on the map</summary>
private async void MyMapView_ExtentChanged(object sender, EventArgs e)
{
MyMapView.ExtentChanged -= MyMapView_ExtentChanged;
try
{
var gdbFile = await ApplicationData.Current.LocalFolder.TryGetItemAsync(LOCAL_GDB_PATH);
if (gdbFile == null)
{
throw new Exception("Local geodatabase not found. Please download sample data from 'Sample Data Settings'");
}
var gdb = await Geodatabase.OpenAsync(gdbFile.Path);
Envelope extent = gdb.FeatureTables.First().Extent;
foreach (var table in gdb.FeatureTables)
{
var flayer = new FeatureLayer()
{
ID = table.Name,
DisplayName = table.Name,
FeatureTable = table
};
if (table.Extent != null)
{
if (extent == null)
{
extent = table.Extent;
}
else
{
extent = extent.Union(table.Extent);
}
}
MyMapView.Map.Layers.Add(flayer);
}
if (!extent.IsEmpty)
{
await MyMapView.SetViewAsync(extent.Expand(1.10));
}
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
}
// Creates a feature layer from a local .geodatabase file
private async Task CreateFeatureLayersAsync()
{
try
{
var gdb = await Geodatabase.OpenAsync(GDB_PATH);
var table = gdb.FeatureTables.First(ft => ft.Name == "US-States");
_statesLayer = new FeatureLayer()
{
ID = table.Name, FeatureTable = table
};
mapView.Map.Layers.Insert(1, _statesLayer);
}
catch (Exception ex)
{
MessageBox.Show("Error creating feature layer: " + ex.Message, "Samples");
}
}
// Creates a feature layer from a local .geodatabase file
private async void CreateFeatureLayers()
{
try
{
var gdb = await Geodatabase.OpenAsync(GDB_PATH);
var table = gdb.FeatureTables.First(ft => ft.Name == "US-States");
_statesLayer = new FeatureLayer()
{
ID = table.Name, FeatureTable = table
};
MyMapView.Map.Layers.Add(_statesLayer);
}
catch (Exception ex)
{
MessageBox.Show("Error creating feature layer: " + ex.Message, "Geometry Difference Sample");
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public async Task DeleteReplicaFolderAsync()
{
var folderPath = GetReplicaFullPath();
try
{
var folders = Directory.GetDirectories(folderPath);
foreach (var f in folders)
{
if (f.Contains("p13"))
{
var gdbs = Directory.GetFiles(f);
foreach (var file in gdbs)
{
try
{
if (file.Contains(".geodatabase"))
{
var gdb = await Geodatabase.OpenAsync(file);
gdb.Close();
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
}
if (MobileMapPackage != null)
{
MobileMapPackage.Close();
}
Directory.Delete(folderPath, true);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
public async Task <IGraphicsLayer> addGdbLayer(LayerDef eLayer,
string dbFile, int start = 0, int maxFeatures = 0)
{
if (dbFile == null)
{
dbFile = _eMap.LocalGeoDbFileName;
}
string filePath = _prj.projDef.LocalFilePath + "\\" + dbFile;
if (File.Exists(filePath))
{
Geodatabase gdb = await Geodatabase.OpenAsync(filePath);
IGraphicsLayer gLayer = await addGeodatabaseLayer(
eLayer, gdb, start, maxFeatures);
return(gLayer);
}
return(null);
}
