private void MapView_Loaded(object sender, RoutedEventArgs e)
{
var layer = new ComponentLayer();
MyMapView.Map.Layers.Add(layer);
MyMapView.MaxScale = 0.001;
var centerOfWorld = new MapPoint(-11692090.5488882, 4956767.39181376);
CreateLine(new[] { centerOfWorld + new Vector(0, 0), centerOfWorld + new Vector(20, 0) }, layer, "20");
CreateLine(new[] { centerOfWorld + new Vector(20, 0), centerOfWorld + new Vector(40, 0) }, layer, "20");
CreateLine(new[] { centerOfWorld + new Vector(40, 0), centerOfWorld + new Vector(60, 0) }, layer, "20");
MapPoint offCenterOfWorld = centerOfWorld.MoveTo(centerOfWorld.X, centerOfWorld.Y - 25);
CreateLine(new[] { offCenterOfWorld + new Vector(0, 0), offCenterOfWorld + new Vector(20, 0) }, layer, "20");
CreateLine(new[] { offCenterOfWorld + new Vector(20, 0), offCenterOfWorld + new Vector(40, 0) }, layer, "40");
CreateLine(new[] { offCenterOfWorld + new Vector(40, 0), offCenterOfWorld + new Vector(60, 0) }, layer, "60");
MapPoint offCenterOfWorld2 = centerOfWorld.MoveTo(centerOfWorld.X, centerOfWorld.Y - 50);
CreateLine(new[] { offCenterOfWorld2 + new Vector(0, 0), offCenterOfWorld2 + new Vector(20, 0) }, layer, "20");
CreateLine(new[] { offCenterOfWorld2 + new Vector(21, 0), offCenterOfWorld2 + new Vector(41, 0) }, layer, "20");
CreateLine(new[] { offCenterOfWorld2 + new Vector(42, 0), offCenterOfWorld2 + new Vector(62, 0) }, layer, "20");
MyMapView.SetView(new Envelope(centerOfWorld, offCenterOfWorld2 + new Vector(60, 0)).Expand(1.4));
}
/*
* private static int m_LayerCount = 0;
* private void MyMapView_PropertyChanged(object sender, PropertyChangedEventArgs e)
* {
* DependencyPropertyDescriptor dpd = DependencyPropertyDescriptor.FromProperty(MapView.MapProperty, typeof(MapView));
* if (dpd != null)
* {
* int count = this.MyMapView.Map.Layers.Count;
* if (count>m_LayerCount)
* {
* m_LayerCount = count;
* BindTreeViewDataContent(m_LayerCount);
* }
*
* }
* }
*
* private async void BindTreeViewDataContent(int i)
* {
* IList<TreeModel> list = new List<TreeModel>();
* for (int j = 0; j < m_LayerCount; j++) {
* TreeModel tree1 = new TreeModel();
* tree1.Id = this.MyMapView.Map.Layers[j].ID;
* tree1.Name = this.MyMapView.Map.Layers[j ].DisplayName;
* list.Add(tree1);
* }
* MyTreeView.ItemsSourceData = list;
* }
*/
#endregion
/// <summary>
/// 缩放至图层
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuZoomIn_Click(object sender, RoutedEventArgs e)
{
if (LayersListView.SelectedItem != null)
{
string id = (LayersListView.SelectedItem as Layer).ID.ToString();
MyMapView.SetView(MyMapView.Map.Layers[id].FullExtent);
}
}
private void LayrCB_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
System.Windows.Controls.CheckBox chkBox = sender as System.Windows.Controls.CheckBox;
// Double click => Zoom to the layer
GdbLayer gdbLayer = chkBox.Tag as GdbLayer;
MyMapView.SetView(gdbLayer.Extent);
}
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;
}
}
}
}
private void ZoomToCell(S57Cell currentCell)
{
if (currentCell == null)
{
return;
}
if (currentCell.Extent != null)
{
MyMapView.SetView(currentCell.Extent);
}
}
// Highlight the selected grid view item on the map
private void resultsGrid_SelectionChanged(object sender, Windows.UI.Xaml.Controls.SelectionChangedEventArgs e)
{
_graphicsOverlay.Graphics.Clear();
if (e.AddedItems != null && e.AddedItems.Count > 0)
{
var findItem = e.AddedItems.OfType <FindItem>().FirstOrDefault();
if (findItem != null)
{
_graphicsOverlay.Graphics.Add(new Graphic(findItem.Feature.Geometry, ChooseGraphicSymbol(findItem.Feature.Geometry)));
MyMapView.SetView(findItem.Feature.Geometry);
}
}
}
/// <summary>
/// 缩放至全图
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FullExtentBtn_OnClick(object sender, RoutedEventArgs e)
{
try
{
MyMapView.Editor.Cancel.Execute(null);
}
catch (Exception)
{
}
this.MyMapView.Cursor = Cursors.Arrow;
if (MyMapView.Map.Layers.Count < 0)
{
return;
}
MyMapView.SetView(MyMapView.Map.Layers[0].FullExtent);
}
/// <summary>
/// 添加数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void AddLayerDataBtn_OnClick(object sender, RoutedEventArgs e)
{
try
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Shapefiles|*.shp|Image files|*.bmp;*.png;*.sid;*.tif";
openFileDialog.RestoreDirectory = true;
openFileDialog.Multiselect = false;
openFileDialog.Title = "文件选取";
if (openFileDialog.ShowDialog() == true)
{
string item = openFileDialog.SafeFileNames[0].Split('.')[1];
WorkspaceFactoryType type = WorkspaceFactoryType.Raster;
switch (item)
{
case "shp":
type = WorkspaceFactoryType.Shapefile;
break;
case "bmp":
case "png":
case "sid":
case "tif":
type = WorkspaceFactoryType.Raster;
break;
}
var dynLayer =
await MapHandler.AddFileDatasetToDynamicMapServiceLayer(type,
System.IO.Path.GetDirectoryName(openFileDialog.FileName),
new List <string>(openFileDialog.SafeFileNames), this.MyMapView.Map.Layers.Count);
// Add the dynamic map service layer to the map
if (dynLayer != null)
{
dynLayer.DisplayName = dynLayer.DynamicLayerInfos[0].Name;
MyMapView.Map.Layers.Add(dynLayer);
MyMapView.SetView(dynLayer.FullExtent.Extent.Expand(0.5));
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Sample Error");
}
}
private async void QueryComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
try
{
progress.Visibility = Visibility.Visible;
results.Visibility = Visibility.Collapsed;
resultsGrid.ItemsSource = null;
_graphicsOverlay.Graphics.Clear();
QueryTask queryTask = new QueryTask(
new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"));
var stateName = (string)(QueryComboBox.SelectedItem as Graphic).Attributes["STATE_NAME"];
Query query = new Query(string.Format("STATE_NAME = '{0}'", stateName))
{
OutFields = OutFields.All,
ReturnGeometry = true,
OutSpatialReference = MyMapView.SpatialReference
};
var result = await queryTask.ExecuteAsync(query);
var featureSet = result.FeatureSet;
if (featureSet != null && featureSet.Features.Count > 0)
{
var graphic = featureSet.Features.First() as Graphic;
_graphicsOverlay.Graphics.Add(graphic);
var selectedFeatureExtent = graphic.Geometry.Extent;
Envelope displayExtent = selectedFeatureExtent.Expand(1.3);
MyMapView.SetView(displayExtent);
resultsGrid.ItemsSource = graphic.Attributes
.Select(attr => new Tuple <string, string>(attr.Key, attr.Value.ToString()));
results.Visibility = Visibility.Visible;
}
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
finally
{
progress.Visibility = Visibility.Collapsed;
}
}
private async Task GetAttributes()
{
QueryTask queryTask = new QueryTask(new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"));
var qryText = (string)(QueryComboBox.SelectedItem as Graphic).Attributes["STATE_NAME"];
Query query = new Query(qryText)
{
OutFields = OutFields.All,
ReturnGeometry = true,
OutSpatialReference = MyMapView.SpatialReference
};
try
{
ResultsGrid.ItemsSource = null;
progress.IsActive = true;
var result = await queryTask.ExecuteAsync(query);
var featureSet = result.FeatureSet;
// If an item has been selected
GraphicsLayer graphicsLayer = MyMapView.Map.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.Graphics.Clear();
if (featureSet != null && featureSet.Features.Count > 0)
{
var symbol = LayoutRoot.Resources["DefaultFillSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
var g = featureSet.Features[0];
graphicsLayer.Graphics.Add(g as Graphic);
var selectedFeatureExtent = g.Geometry.Extent;
Envelope displayExtent = selectedFeatureExtent.Expand(1.3);
MyMapView.SetView(displayExtent);
ResultsGrid.ItemsSource = g.Attributes;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
finally
{
progress.IsActive = false;
}
}
async void MyMapView_ExtentChanged(object sender, EventArgs e)
{
Envelope init_extent =
new Envelope(double.Parse(_view.eMap.XMin.ToString()), double.Parse(_view.eMap.YMin.ToString()), double.Parse(_view.eMap.XMax.ToString()), double.Parse(_view.eMap.YMax.ToString()));
if (MyMapView.Extent.YMax > Convert.ToDouble(_view.eMap.YMax) + 100)
{
MyMapView.SetView(init_extent);
return;
}
if (MyMapView.Extent.XMax > Convert.ToDouble(_view.eMap.XMax) + 50)
{
MyMapView.SetView(init_extent);
return;
}
if (MyMapView.Extent.XMin < Convert.ToDouble(_view.eMap.XMin) - 50)
{
MyMapView.SetView(init_extent);
return;
}
if (MyMapView.Extent.YMin < Convert.ToDouble(_view.eMap.YMin) - 100)
{
MyMapView.SetView(init_extent);
return;
}
//标尺
rulerextent _initrulerx = new rulerextent()
{
XMax = MyMapView.Extent.XMax, XMin = MyMapView.Extent.XMin
};
hruler.RulerExtent = _initrulerx;
xjruler.RulerExtent = _initrulerx;
mili_ruler.RulerExtent = _initrulerx;
rulerextent _initrulery = new rulerextent()
{
XMax = MyMapView.Extent.YMax, XMin = MyMapView.Extent.YMin
};
vruler.RulerExtent = _initrulery;
}
void LoadTiledLayer1(EngineeringMap emap)
{
ArcGISLocalTiledLayer tileLayr1 = Map.Layers["TiledLayer1"] as ArcGISLocalTiledLayer;
if (tileLayr1 != null)
{
Map.Layers.Remove(tileLayr1);
}
string file = ProjDef.LocalTilePath + "\\" + emap.LocalTileFileName1;
if (File.Exists(file))
{
ArcGISLocalTiledLayer newLayr = new ArcGISLocalTiledLayer(file);
newLayr.ID = "TiledLayer1";
newLayr.DisplayName = "TileLayer1";
Map.Layers.Add(newLayr);
MyMapView.SetView(newLayr.FullExtent);
}
}
private void ZoomToExtent()
{
Envelope extent = null;
foreach (Graphic g in _addressOverlay.Graphics)
{
Envelope tempEnv = GetDisplayExtent(g.Geometry as MapPoint, MyMapView.ActualHeight, MyMapView.ActualWidth);
if (extent == null)
{
extent = tempEnv;
}
else
{
extent = extent.Union(GetDisplayExtent(g.Geometry as MapPoint, MyMapView.ActualHeight, MyMapView.ActualWidth));
}
}
if (extent != null)
{
MyMapView.SetView(extent);
}
}
private void LocationButton_Checked(object sender, RoutedEventArgs e)
{
_myLocationOverlay.Graphics.Clear();
var point = MyMapView.LocationDisplay.CurrentLocation.Location;
var buffer = GeometryEngine.GeodesicBuffer(point, 300, LinearUnits.Meters);
MyMapView.SetView(buffer.Extent);
var symbol = new PictureMarkerSymbol()
{
Width = 48, Height = 48, YOffset = 24
};
symbol.SetSourceAsync(new Uri("ms-appx:///Assets/CollPin.png"));
var graphic = new Graphic()
{
Geometry = point,
Symbol = symbol
};
_myLocationOverlay.Graphics.Add(graphic);
}
private void btnResetMap_Click(object sender, RoutedEventArgs e)
{
try
{
var localTiledLayer = MyMapView.Map.Layers.FirstOrDefault(lyr => lyr.ID == LOCAL_LAYER_ID);
if (localTiledLayer != null)
{
MyMapView.Map.Layers.Remove(localTiledLayer);
}
var extentWGS84 = new Envelope(-123.77, 36.80, -119.77, 38.42, SpatialReferences.Wgs84);
MyMapView.SetView(extentWGS84);
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
finally
{
_aoiOverlay.IsVisible = false;
_onlineTiledLayer.IsVisible = true;
}
}
/// <summary>Reset the MapView by removing any map rotation and centering on the existing Location. </summary>
private void resetDisplay_Click(object sender, RoutedEventArgs e)
{
// If the LocationDisplay is enabled and a Location currently exists, reset the map
// to zero rotation and center on the Location. Otherwise, set the MapView to center on 0,0.
if (MyMapView.LocationDisplay != null &&
MyMapView.LocationDisplay.IsEnabled &&
MyMapView.LocationDisplay.CurrentLocation.Location.Extent != null)
{
// Get the current AutoPanMode setting as it is automatically disabled when calling MyMapView.SetView().
var PanMode = MyMapView.LocationDisplay.AutoPanMode;
MyMapView.SetRotation(0);
MyMapView.SetView(MyMapView.LocationDisplay.CurrentLocation.Location);
// Reset the AutoPanMode
MyMapView.LocationDisplay.AutoPanMode = PanMode;
}
else
{
var centerPoint = new MapPoint(0, 0);
MyMapView.SetView(centerPoint);
}
}
private void MyMapView_OnLayerLoaded(object sender, LayerLoadedEventArgs e)
{
// Zoom to water network
var layer = e.Layer as ArcGISDynamicMapServiceLayer;
if (layer != null)
{
var extent = layer.ServiceInfo.InitialExtent ?? layer.ServiceInfo.InitialExtent;
if (extent != null)
{
// If extent is not in the same spatial reference than map, reproject it
if (!SpatialReference.Equals(extent.SpatialReference, MyMapView.SpatialReference))
{
extent = GeometryEngine.Project(extent, MyMapView.SpatialReference) as Envelope;
}
if (extent != null)
{
extent = extent.Expand(0.5);
MyMapView.SetView(extent);
}
}
}
}
private async void GeocodeButton_Click(object sender, RoutedEventArgs e)
{
GeocodeButton.IsEnabled = false;
geocodeText.IsEnabled = false;
try
{
GeoCodeProgress.Visibility = Visibility.Visible;
if (_stopsOverlay.Graphics.Count() > 0)
{
panelResults.Visibility = Visibility.Collapsed;
_stopsOverlay.Graphics.Clear();
_routesOverlay.Graphics.Clear();
MyMapView.Overlays.Items.Clear();
_directionsOverlay.GraphicsSource = null;
}
if (_locatorServiceInfo == null)
{
_locatorServiceInfo = await _locatorTask.GetInfoAsync();
}
var candidateResults = await _locatorTask.GeocodeAsync(
GetInputAddressFromUI(), new List <string> {
"Addr_type", "Score", "X", "Y"
}, MyMapView.SpatialReference, CancellationToken.None);
if (candidateResults == null || candidateResults.Count == 0)
{
throw new Exception("No se encontró la dirección.");
}
var found = false;
foreach (var candidate in candidateResults)
{
if (candidate.Score >= 90)
{
AddGraphicFromLocatorCandidate(candidate);
found = true;
MyMapView.SetView(candidate.Extent.Expand(1));
await MyMapView.ZoomToScaleAsync(5000);
break;
}
}
GeocodeFlyout.Hide();
if (!found)
{
throw new Exception("No se encontró la dirección.");
}
}
catch (AggregateException ex)
{
var innermostExceptions = ex.Flatten().InnerExceptions;
if (innermostExceptions != null && innermostExceptions.Count > 0)
{
var _x = new MessageDialog(string.Join(" > ", innermostExceptions.Select(i => i.Message).ToArray()), "Error").ShowAsync();
}
else
{
var _x = new MessageDialog(ex.Message, "Error").ShowAsync();
}
}
catch (System.Exception ex)
{
var _x = new MessageDialog(ex.Message, "Error").ShowAsync();
}
finally
{
GeoCodeProgress.Visibility = Visibility.Collapsed;
GeocodeButton.IsEnabled = true;
geocodeText.IsEnabled = true;
}
}