private void QueryPoint_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
ESRI.ArcGIS.Client.Geometry.MapPoint clickPoint = e.MapPoint;
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = clickPoint,
MapExtent = MyMap.Extent,
Width = (int)MyMap.ActualWidth,
Height = (int)MyMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = MyMap.SpatialReference
};
//IdentifyTask identifyTask = new IdentifyTask("http://server.arcgisonline.com/ArcGIS/rest/services/Demographics/USA_Average_Household_Size/MapServer/");
IdentifyTask identifyTask = new IdentifyTask(arcgisLayer.Url);
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
identifyTask.ExecuteAsync(identifyParams);
GraphicsLayer graphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.ClearGraphics();
ESRI.ArcGIS.Client.Graphic graphic = new ESRI.ArcGIS.Client.Graphic()
{
Geometry = clickPoint,
Symbol = LayoutRoot.Resources["DefaultPictureSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol
};
graphicsLayer.Graphics.Add(graphic);
}
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
try
{
_trafficOverlay.Visibility = Visibility.Collapsed;
_trafficOverlay.DataContext = null;
var identifyTask = new IdentifyTask(new Uri(_trafficLayer.ServiceUri));
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, MyMapView.Extent, 5, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerIDs = new int[] { 2, 3, 4 },
LayerOption = LayerOption.Top,
SpatialReference = MyMapView.SpatialReference,
};
var result = await identifyTask.ExecuteAsync(identifyParams);
if (result != null && result.Results != null && result.Results.Count > 0)
{
_trafficOverlay.DataContext = result.Results.First();
_trafficOverlay.Visibility = Visibility.Visible;
}
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
}
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
try
{
_trafficOverlay.Visibility = Visibility.Collapsed;
_trafficOverlay.DataContext = null;
var identifyTask = new IdentifyTask(new Uri(_trafficLayer.ServiceUri));
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, viewpointExtent, 5, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerIDs = new int[] { 2, 3, 4 },
LayerOption = LayerOption.Top,
SpatialReference = MyMapView.SpatialReference,
};
var result = await identifyTask.ExecuteAsync(identifyParams);
if (result != null && result.Results != null && result.Results.Count > 0)
{
_trafficOverlay.DataContext = result.Results.First();
_trafficOverlay.Visibility = Visibility.Visible;
}
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
}
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
try
{
incidentOverlay.Visibility = Visibility.Collapsed;
incidentOverlay.DataContext = null;
var identifyTask = new IdentifyTask(new Uri(_trafficLayer.ServiceUri));
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, MyMapView.Extent, 5, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerIDs = new int[] { 2, 3, 4 },
LayerOption = LayerOption.Top,
SpatialReference = MyMapView.SpatialReference,
};
var result = await identifyTask.ExecuteAsync(identifyParams);
if (result != null && result.Results != null && result.Results.Count > 0)
{
incidentOverlay.DataContext = result.Results.First();
incidentOverlay.Visibility = Visibility.Visible;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Identify Error");
}
}
private void MyDrawObject_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs e)
{
ESRI.ArcGIS.Client.Geometry.MapPoint clickPoint = e.Geometry as MapPoint;
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
SpatialReference = MyMap.SpatialReference,
Geometry = clickPoint,
MapExtent = MyMap.Extent,
Width = (int)MyMap.ActualWidth,
Height = (int)MyMap.ActualHeight,
LayerOption = LayerOption.visible
};
IdentifyTask identifyTask = new IdentifyTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer");
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
identifyTask.ExecuteAsync(identifyParams);
GraphicsLayer graphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.ClearGraphics();
ESRI.ArcGIS.Client.Graphic graphic = new ESRI.ArcGIS.Client.Graphic()
{
Geometry = clickPoint,
Symbol = LayoutRoot.Resources["DefaultPictureSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol
};
graphicsLayer.Graphics.Add(graphic);
}
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
try
{
incidentOverlay.Visibility = Visibility.Collapsed;
incidentOverlay.DataContext = null;
var identifyTask = new IdentifyTask(new Uri(_trafficLayer.ServiceUri));
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, viewpointExtent, 5, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerIDs = new int[] { 2, 3, 4 },
LayerOption = LayerOption.Top,
SpatialReference = MyMapView.SpatialReference,
};
var result = await identifyTask.ExecuteAsync(identifyParams);
if (result != null && result.Results != null && result.Results.Count > 0)
{
incidentOverlay.DataContext = result.Results.First();
incidentOverlay.Visibility = Visibility.Visible;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Identify Error");
}
}
// Identify features at the click point
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
try
{
progress.Visibility = Visibility.Visible;
resultsGrid.DataContext = null;
GraphicsOverlay graphicsOverlay = MyMapView.GraphicsOverlays["graphicsOverlay"];
graphicsOverlay.Graphics.Clear();
graphicsOverlay.Graphics.Add(new Graphic(e.Location));
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, MyMapView.Extent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerOption = LayerOption.Visible,
SpatialReference = MyMapView.SpatialReference,
};
IdentifyTask identifyTask = new IdentifyTask(
new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer"));
var result = await identifyTask.ExecuteAsync(identifyParams);
resultsGrid.DataContext = result.Results;
if (result != null && result.Results != null && result.Results.Count > 0)
titleComboBox.SelectedIndex = 0;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Identify Sample");
}
finally
{
progress.Visibility = Visibility.Collapsed;
}
}
private async Task RunIdentify(MapPoint mp)
{
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
IdentifyParameters identifyParams = new IdentifyParameters(mp, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerOption = LayerOption.Visible,
SpatialReference = MyMapView.SpatialReference,
};
IdentifyTask identifyTask = new IdentifyTask(new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Demographics/ESRI_Census_USA/MapServer"));
progress.IsActive = true;
try
{
TitleComboBox.ItemsSource = null;
ResultsGrid.ItemsSource = null;
var result = await identifyTask.ExecuteAsync(identifyParams);
GraphicsLayer graphicsLayer = MyMapView.Map.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.Graphics.Clear();
graphicsLayer.Graphics.Add(new Graphic()
{
Geometry = mp
});
var _dataItems = new List <DataItem>();
if (result != null && result.Results != null && result.Results.Count > 0)
{
foreach (var r in result.Results)
{
Feature feature = r.Feature;
string title = r.Value.ToString() + " (" + r.LayerName + ")";
_dataItems.Add(new DataItem()
{
Title = title,
Data = feature.Attributes
});
}
}
TitleComboBox.ItemsSource = _dataItems;
if (_dataItems.Count > 0)
{
TitleComboBox.SelectedIndex = 0;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
finally
{
progress.IsActive = false;
}
}
private async Task RunIdentify(MapPoint mp)
{
IdentifyParameters identifyParams = new IdentifyParameters(mp, mapView1.Extent, 2, (int)mapView1.ActualHeight, (int)mapView1.ActualWidth)
{
LayerOption = LayerOption.Visible,
SpatialReference = mapView1.SpatialReference,
};
IdentifyTask identifyTask = new IdentifyTask(new Uri("http://54.187.22.10:6080/arcgis/rest/services/" +
"Resultados_presidenciales/MapServer"));
progress.IsActive = true;
try
{
TitleComboBox.ItemsSource = null;
ResultsGrid.ItemsSource = null;
var result = await identifyTask.ExecuteAsync(identifyParams);
GraphicsLayer graphicsLayer = mapView1.Map.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.Graphics.Clear();
graphicsLayer.Graphics.Add(new Graphic()
{
Geometry = mp
});
var _dataItems = new List <DataItem>();
if (result != null && result.Results != null && result.Results.Count > 0)
{
foreach (var r in result.Results)
{
Feature feature = r.Feature;
string title = r.Value.ToString() + " (" + r.LayerName + ")";
_dataItems.Add(new DataItem()
{
Title = title,
Data = feature.Attributes
});
}
}
TitleComboBox.ItemsSource = _dataItems;
if (_dataItems.Count > 0)
{
TitleComboBox.SelectedIndex = 0;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
finally
{
progress.IsActive = false;
}
}
/// <summary>
/// Identifies feature to highlight.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
// Ignore tap events while in edit mode so we do not interfere with edit geometry.
var inEditMode = EditButton.IsEnabled;
if (inEditMode)
{
return;
}
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
var layer = MyMapView.Map.Layers["RecreationalArea"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
var parameter = new IdentifyParameters(mapPoint, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetGeometryEditor();
string message = null;
try
{
// Performs an identify and adds feature result as selected into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
{
return;
}
var graphic = (Graphic)result.Results[0].Feature;
graphic.IsSelected = true;
overlay.Graphics.Add(graphic);
// Prepares geometry editor.
var featureID = Convert.ToInt64(graphic.Attributes["Objectid"], CultureInfo.InvariantCulture);
SetGeometryEditor(featureID);
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
{
await new MessageDialog(message).ShowAsync();
}
}
/// <summary>
/// Identifies graphic to highlight and query its related records.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
var layer = MyMapView.Map.Layers["ServiceRequests"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
var parameter = new IdentifyParameters(mapPoint, viewpointExtent, 5, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetRelatedRecordEditor();
string message = null;
try
{
// Performs an identify and adds graphic result into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
{
return;
}
var graphic = (Graphic)result.Results[0].Feature;
overlay.Graphics.Add(graphic);
// Prepares related records editor.
var featureID = Convert.ToInt64(graphic.Attributes["OBJECTID"], CultureInfo.InvariantCulture);
string requestID = null;
if (graphic.Attributes["Service Request ID"] != null)
{
requestID = Convert.ToString(graphic.Attributes["Service Request ID"], CultureInfo.InvariantCulture);
}
SetRelatedRecordEditor(featureID, requestID);
await QueryRelatedRecordsAsync();
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
{
MessageBox.Show(message);
}
}
private async Task RunIdentify(MapPoint mp)
{
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
IdentifyParameters identifyParams = new IdentifyParameters(mp, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerOption = LayerOption.Visible,
SpatialReference = MyMapView.SpatialReference,
};
IdentifyTask identifyTask = new IdentifyTask(new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Demographics/ESRI_Census_USA/MapServer"));
progress.IsActive = true;
try
{
TitleComboBox.ItemsSource = null;
ResultsGrid.ItemsSource = null;
var result = await identifyTask.ExecuteAsync(identifyParams);
GraphicsLayer graphicsLayer = MyMapView.Map.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.Graphics.Clear();
graphicsLayer.Graphics.Add(new Graphic() { Geometry = mp });
var _dataItems = new List<DataItem>();
if (result != null && result.Results != null && result.Results.Count > 0)
{
foreach (var r in result.Results)
{
Feature feature = r.Feature;
string title = r.Value.ToString() + " (" + r.LayerName + ")";
_dataItems.Add(new DataItem()
{
Title = title,
Data = feature.Attributes
});
}
}
TitleComboBox.ItemsSource = _dataItems;
if (_dataItems.Count > 0)
TitleComboBox.SelectedIndex = 0;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
finally
{
progress.IsActive = false;
}
}
/// <summary>
/// Identifies feature to highlight.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
var layer = MyMapView.Map.Layers["PoolPermit"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
var parameter = new IdentifyParameters(mapPoint, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetAttributeEditor();
string message = null;
try
{
// Performs an identify and adds feature result as selected into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
{
return;
}
var graphic = (Graphic)result.Results[0].Feature;
graphic.IsSelected = true;
overlay.Graphics.Add(graphic);
// Prepares attribute editor.
var featureID = Convert.ToInt64(graphic.Attributes["OBJECTID"], CultureInfo.InvariantCulture);
var hasPool = Convert.ToString(graphic.Attributes["Has_Pool"], CultureInfo.InvariantCulture);
if (choices == null)
{
choices = await GetChoicesAsync();
}
SetAttributeEditor(featureID, hasPool);
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
{
await new MessageDialog(message).ShowAsync();
}
}
/// <summary>
/// Identifies feature to highlight.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
// Ignore tap events while in edit mode so we do not interfere with edit geometry.
if (MyMapView.Editor.IsActive)
{
return;
}
var layer = MyMapView.Map.Layers["WildFire"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
var parameter = new IdentifyParameters(mapPoint, MyMapView.Extent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetGeometryEditor();
string message = null;
try
{
// Performs an identify and adds feature result as selected into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
{
return;
}
var graphic = (Graphic)result.Results[0].Feature;
graphic.IsSelected = true;
overlay.Graphics.Add(graphic);
// Prepares geometry editor.
var featureID = Convert.ToInt64(graphic.Attributes["OBJECTID"], CultureInfo.InvariantCulture);
SetGeometryEditor(featureID);
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
{
MessageBox.Show(message);
}
}
/// <summary>
/// Identifies feature to highlight.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
// Ignore tap events while in edit mode so we do not interfere with edit geometry.
var inEditMode = EditButton.IsEnabled;
if (inEditMode)
return;
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
var layer = MyMapView.Map.Layers["RecreationalArea"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
var parameter = new IdentifyParameters(mapPoint, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetGeometryEditor();
string message = null;
try
{
// Performs an identify and adds feature result as selected into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
return;
var graphic = (Graphic)result.Results[0].Feature;
graphic.IsSelected = true;
overlay.Graphics.Add(graphic);
// Prepares geometry editor.
var featureID = Convert.ToInt64(graphic.Attributes["Objectid"], CultureInfo.InvariantCulture);
SetGeometryEditor(featureID);
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
await new MessageDialog(message).ShowAsync();
}
/// <summary>
/// Identifies graphic to highlight and query its related records.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
var layer = MyMapView.Map.Layers["ServiceRequests"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
var parameter = new IdentifyParameters(mapPoint, viewpointExtent, 5, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetRelatedRecordEditor();
string message = null;
try
{
// Performs an identify and adds graphic result into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
return;
var graphic = (Graphic)result.Results[0].Feature;
overlay.Graphics.Add(graphic);
// Prepares related records editor.
var featureID = Convert.ToInt64(graphic.Attributes["OBJECTID"], CultureInfo.InvariantCulture);
string requestID = null;
if(graphic.Attributes["Service Request ID"] != null)
requestID = Convert.ToString(graphic.Attributes["Service Request ID"], CultureInfo.InvariantCulture);
SetRelatedRecordEditor(featureID, requestID);
await QueryRelatedRecordsAsync();
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
MessageBox.Show(message);
}
public Task <IdentifyResult> DoIdentify(string serviceId, string layers, MapPoint pt)
{
LayerObject lo = null;
foreach (var t in ConfigUtil.DynamicLayer)
{
if (serviceId != t.Id)
{
continue;
}
lo = t;
}
if (lo == null)
{
return(null);
}
//创建查询IdentifyTask
IdentifyTask task = new IdentifyTask(lo.Uri);
if (lo.Token != null)
{
task.Token = lo.Token;
}
//设置查询参数
var queryPara = new IdentifyParameters(pt, Map.MapView.Extent, 7
, (int)Map.MapView.ActualHeight, (int)Map.MapView.ActualWidth)
{
LayerOption = LayerOption.Visible
};
var layerArr = layers.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
var ids = (from layer in layerArr select lo.GetLayerId(layer) into layerId where layerId != null select(int) layerId).ToList();
queryPara.LayerIDs = ids;
queryPara.SpatialReference = Map.MapView.SpatialReference;
return(task.ExecuteAsync(queryPara));
}
/// <summary>
/// Identifies feature to highlight.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
var layer = MyMapView.Map.Layers["PoolPermit"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
var parameter = new IdentifyParameters(mapPoint, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetAttributeEditor();
string message = null;
try
{
// Performs an identify and adds feature result as selected into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
return;
var graphic = (Graphic)result.Results[0].Feature;
graphic.IsSelected = true;
overlay.Graphics.Add(graphic);
// Prepares attribute editor.
var featureID = Convert.ToInt64(graphic.Attributes["OBJECTID"], CultureInfo.InvariantCulture);
var hasPool = Convert.ToString(graphic.Attributes["Has_Pool"], CultureInfo.InvariantCulture);
if (choices == null)
choices = await GetChoicesAsync();
SetAttributeEditor(featureID, hasPool);
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
await new MessageDialog(message).ShowAsync();
}
// Identify features at the click point
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
try
{
progress.Visibility = Visibility.Visible;
resultsGrid.DataContext = null;
GraphicsOverlay graphicsOverlay = MyMapView.GraphicsOverlays["graphicsOverlay"];
graphicsOverlay.Graphics.Clear();
graphicsOverlay.Graphics.Add(new Graphic(e.Location));
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerOption = LayerOption.Visible,
SpatialReference = MyMapView.SpatialReference,
};
IdentifyTask identifyTask = new IdentifyTask(
new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer"));
var result = await identifyTask.ExecuteAsync(identifyParams);
resultsGrid.DataContext = result.Results;
if (result != null && result.Results != null && result.Results.Count > 0)
{
titleComboBox.SelectedIndex = 0;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Identify Sample");
}
finally
{
progress.Visibility = Visibility.Collapsed;
}
}
private void DoIdentification(MapPoint point)
{
IdentifyParameters identifyParams = new IdentifyParameters();
identifyParams.LayerOption = (LayerOption)Enum.Parse(typeof(LayerOption), widgetConfig.IdentifyOption, true);
identifyParams.Tolerance = widgetConfig.Tolerance;
identifyParams.MapExtent = this.MapControl.Extent;
identifyParams.Height = (int)this.MapControl.ActualHeight;
identifyParams.Width = (int)this.MapControl.ActualWidth;
identifyParams.SpatialReference = new SpatialReference(this.MapSRWKID);
identifyParams.ReturnGeometry = true;
identifyParams.Geometry = point;
this.IsBusy = true;
this.ClearGraphics(0);
for (int i = 0; i < widgetConfig.IdentifyLayers.Length; i++)
{
LivingMapLayer livingMapConfig = GetLivingMapConfig(widgetConfig.IdentifyLayers[i].Title);
if (livingMapConfig != null && !string.IsNullOrEmpty(livingMapConfig.RESTURL))
{
identifyParams.LayerIds.Clear();
int[] doLayers = GetIdentifiableLayers(livingMapConfig.ID, widgetConfig.IdentifyLayers[i].LayerIDs);
foreach (int kk in doLayers)
{
identifyParams.LayerIds.Add(kk);
}
IdentifyTask identifyTask = new IdentifyTask(livingMapConfig.RESTURL);
identifyTask.ExecuteCompleted += new EventHandler <IdentifyEventArgs>(IdentifyTask_ExecuteCompleted);
identifyTask.Failed += new EventHandler <TaskFailedEventArgs>(IdentifyTask_Failed);
identifyTask.Token = (livingMapConfig.Token == null) ? "" : livingMapConfig.Token;
identifyTask.ProxyURL = livingMapConfig.ProxyURL;
identifyTask.ExecuteAsync(identifyParams, livingMapConfig.Title);
}
}
}
/// <summary>
/// Identifies feature to highlight.
/// </summary>
private async void MyMapView_MapViewTapped(object sender, MapViewInputEventArgs e)
{
// Ignore tap events while in edit mode so we do not interfere with edit geometry.
if (MyMapView.Editor.IsActive)
return;
var layer = MyMapView.Map.Layers["WildFire"] as ArcGISDynamicMapServiceLayer;
var task = new IdentifyTask(new Uri(layer.ServiceUri));
var mapPoint = MyMapView.ScreenToLocation(e.Position);
var parameter = new IdentifyParameters(mapPoint, MyMapView.Extent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth);
// Clears map of any highlights.
var overlay = MyMapView.GraphicsOverlays["Highlighter"] as GraphicsOverlay;
overlay.Graphics.Clear();
SetGeometryEditor();
string message = null;
try
{
// Performs an identify and adds feature result as selected into overlay.
var result = await task.ExecuteAsync(parameter);
if (result == null || result.Results == null || result.Results.Count < 1)
return;
var graphic = (Graphic)result.Results[0].Feature;
graphic.IsSelected = true;
overlay.Graphics.Add(graphic);
// Prepares geometry editor.
var featureID = Convert.ToInt64(graphic.Attributes["OBJECTID"], CultureInfo.InvariantCulture);
SetGeometryEditor(featureID);
}
catch (Exception ex)
{
message = ex.Message;
}
if (!string.IsNullOrWhiteSpace(message))
MessageBox.Show(message);
}
private async void MyMapView_Tapped(object sender, Esri.ArcGISRuntime.Controls.MapViewInputEventArgs e)
{
try
{
progress.Visibility = Visibility.Visible;
resultsGrid.DataContext = null;
GraphicsOverlay graphicsOverlay = MyMapView.GraphicsOverlays["graphicsOverlay"];
graphicsOverlay.Graphics.Clear();
graphicsOverlay.Graphics.Add(new Graphic(e.Location));
// Get current viewpoints extent from the MapView
var currentViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry);
var viewpointExtent = currentViewpoint.TargetGeometry.Extent;
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, viewpointExtent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerOption = LayerOption.Visible,
SpatialReference = MyMapView.SpatialReference,
};
IdentifyTask identifyTask = new IdentifyTask(
new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer"));
var result = await identifyTask.ExecuteAsync(identifyParams);
resultsGrid.DataContext = result.Results;
if (result != null && result.Results != null && result.Results.Count > 0)
titleComboBox.SelectedIndex = 0;
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
finally
{
progress.Visibility = Visibility.Collapsed;
}
}
private async void MyMapView_Tapped(object sender, Esri.ArcGISRuntime.Controls.MapViewInputEventArgs e)
{
try
{
progress.Visibility = Visibility.Visible;
resultsGrid.DataContext = null;
GraphicsOverlay graphicsOverlay = MyMapView.GraphicsOverlays["graphicsOverlay"];
graphicsOverlay.Graphics.Clear();
graphicsOverlay.Graphics.Add(new Graphic(e.Location));
IdentifyParameters identifyParams = new IdentifyParameters(e.Location, MyMapView.Extent, 2, (int)MyMapView.ActualHeight, (int)MyMapView.ActualWidth)
{
LayerOption = LayerOption.Visible,
SpatialReference = MyMapView.SpatialReference,
};
IdentifyTask identifyTask = new IdentifyTask(
new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer"));
var result = await identifyTask.ExecuteAsync(identifyParams);
resultsGrid.DataContext = result.Results;
if (result != null && result.Results != null && result.Results.Count > 0)
{
titleComboBox.SelectedIndex = 0;
}
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
finally
{
progress.Visibility = Visibility.Collapsed;
}
}
private void MyMap_MapGesture(object sender, Map.MapGestureEventArgs e)
{
MapPoint mapPoint = e.MapPoint;
if (_displayViewshedInfo && resultLayer != null && e.Gesture == GestureType.Tap)
{
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = mapPoint,
MapExtent = MyMap.Extent,
Width = (int)MyMap.ActualWidth,
Height = (int)MyMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = MyMap.SpatialReference
};
IdentifyTask identifyTask = new IdentifyTask(resultLayer.Url);
identifyTask.ExecuteCompleted += (s, ie) =>
{
if (ie.IdentifyResults.Count > 0)
{
foreach (var identifyresult in ie.IdentifyResults)
{
if (identifyresult.LayerId == 1)
{
Graphic g = identifyresult.Feature;
MyInfoWindow.Anchor = e.MapPoint;
MyInfoWindow.Content = g.Attributes;
MyInfoWindow.IsOpen = true;
break;
}
}
}
};
identifyTask.ExecuteAsync(identifyParams);
}
}
private static async Task<KeyValuePair<Layer,IEnumerable<IdentifyFeature>>> IdentifyLayer(MapViewController controller, Layer layer, Point tapPoint, MapPoint mapPoint)
{
if (layer is ArcGISDynamicMapServiceLayer)
{
var dynamicLayer = ((ArcGISDynamicMapServiceLayer)layer);
if (!dynamicLayer.ServiceInfo.Capabilities.Contains("Query"))
return new KeyValuePair<Layer, IEnumerable<IdentifyFeature>>(layer, null);
var identifyTask = new IdentifyTask(new Uri(dynamicLayer.ServiceUri, UriKind.Absolute));
var resolution = controller.UnitsPerPixel;
var center = controller.Extent.GetCenter();
var extent = new Envelope(center.X - resolution * c_defaultTolerance, center.Y - resolution * c_defaultTolerance,
center.X + resolution * c_defaultTolerance, center.Y + resolution * c_defaultTolerance, controller.SpatialReference);
var identifyParameter = new IdentifyParameters(mapPoint, extent, c_defaultTolerance, c_defaultTolerance,
c_defaultTolerance, DisplayInformation.GetForCurrentView().LogicalDpi)
{
LayerOption = LayerOption.Visible,
LayerTimeOptions = dynamicLayer.LayerTimeOptions,
LayerIDs = dynamicLayer.VisibleLayers,
DynamicLayerInfos = dynamicLayer.DynamicLayerInfos,
GeodatabaseVersion = dynamicLayer.GeodatabaseVersion,
TimeExtent = controller.TimeExtent,
};
var identifyItems = (await identifyTask.ExecuteAsync(identifyParameter)).Results;
var identifyFeatures = new List<IdentifyFeature>();
try
{
var dict = new Dictionary<int, IReadOnlyList<FieldInfo>>();
foreach (var identifyItem in identifyItems)
{
IReadOnlyList<FieldInfo> fields;
if(dict.ContainsKey(identifyItem.LayerID))
fields = dict[identifyItem.LayerID];
else
{
fields = await GetFieldInfo(dynamicLayer, identifyItem);
dict[identifyItem.LayerID] = fields;
}
var identifyFeature = ReplaceAliasWithFieldName(identifyItem, fields);
identifyFeatures.Add(identifyFeature);
}
}
catch (Exception ex)
{
throw;
}
return new KeyValuePair<Layer, IEnumerable<IdentifyFeature>>(layer, identifyFeatures);
}
if (layer is ArcGISTiledMapServiceLayer)
{
var tiledlayer = ((ArcGISTiledMapServiceLayer) layer);
if (!tiledlayer.ServiceInfo.Capabilities.Contains("Query"))
return new KeyValuePair<Layer, IEnumerable<IdentifyFeature>>(layer, null);
var identifyTask = new IdentifyTask(new Uri(tiledlayer.ServiceUri, UriKind.Absolute));
var resolution = controller.UnitsPerPixel;
var center = controller.Extent.GetCenter();
var extent = new Envelope(center.X - resolution * c_defaultTolerance, center.Y - resolution * c_defaultTolerance,
center.X + resolution * c_defaultTolerance, center.Y + resolution * c_defaultTolerance, controller.SpatialReference);
var identifyParameter = new IdentifyParameters(mapPoint, extent, c_defaultTolerance, c_defaultTolerance,
c_defaultTolerance, DisplayInformation.GetForCurrentView().LogicalDpi)
{
LayerOption = LayerOption.Visible,
TimeExtent = controller.TimeExtent,
};
var identifyItems = (await identifyTask.ExecuteAsync(identifyParameter)).Results;
var identifyFeatures = new List<IdentifyFeature>();
var dict = new Dictionary<int, IReadOnlyList<FieldInfo>>();
foreach (var identifyItem in identifyItems)
{
IReadOnlyList<FieldInfo> fields;
if (dict.ContainsKey(identifyItem.LayerID))
fields = dict[identifyItem.LayerID];
else
{
fields = await GetFieldInfo(tiledlayer, identifyItem);
dict[identifyItem.LayerID] = fields;
}
var identifyFeature = ReplaceAliasWithFieldName(identifyItem, fields);
identifyFeatures.Add(identifyFeature);
}
return new KeyValuePair<Layer, IEnumerable<IdentifyFeature>>(layer, identifyFeatures);
}
if (layer is FeatureLayer)
{
var featureLayer = ((FeatureLayer)layer);
var featureIds = await controller.FeatureLayerHitTestAsync(featureLayer, tapPoint, 1000);
IEnumerable<Feature> features = new List<Feature>();
if (featureIds != null && featureIds.Any())
features = await featureLayer.FeatureTable.QueryAsync(featureIds);
var schema = featureLayer.FeatureTable.Schema;
IList<IdentifyFeature> displayFeatures = new List<IdentifyFeature>();
foreach (var f in features)
{
var objectIDFieldName = schema.Fields.FirstOrDefault(x => x.Type == FieldType.Oid).Name;
var objectIDFieldValue = f.Attributes[objectIDFieldName].ToString();
IdentifyItem identifyItem = new IdentifyItem(-1, featureLayer.DisplayName, objectIDFieldName, objectIDFieldValue, f);
IdentifyFeature identifyFeature = new IdentifyFeature(identifyItem, schema.Fields);
displayFeatures.Add(identifyFeature);
}
return new KeyValuePair<Layer, IEnumerable<IdentifyFeature>>(layer, displayFeatures);
}
if (layer is GraphicsLayer)
{
var graphicsLayer = ((GraphicsLayer) layer);
var graphics = await controller.GraphicsLayerHitTestAsync(graphicsLayer, tapPoint, 1000);
return new KeyValuePair<Layer, IEnumerable<IdentifyFeature>>(layer, graphics.Select(f => new IdentifyFeature(new IdentifyItem(
-1,
layer.DisplayName,
"",
"",
f
))));
}
// Not supported or not implemented yet
return new KeyValuePair<Layer, IEnumerable<IdentifyFeature>>(layer,null);
}
private void myMap_MouseClick(object sender, Map.MouseEventArgs args)
{
if (activateIdentify == true)
{
GraphicsLayer graphicsLayer = myMap.Layers["identifyIconGraphicsLayer"] as GraphicsLayer;
graphicsLayer.ClearGraphics();
ESRI.ArcGIS.Client.Graphic graphic = new ESRI.ArcGIS.Client.Graphic()
{
Geometry = args.MapPoint,
Symbol = LayoutRoot.Resources["identifyLocationSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol
};
// Add the identify graphic
graphicsLayer.Graphics.Add(graphic);
IdentifyTask identifyTask = new IdentifyTask("http://unibeast/ArcGIS/rest/services/InternetVector/MapServer");
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
IdentifyParameters identifyParameters = new IdentifyParameters();
// Search all layers
identifyParameters.LayerOption = LayerOption.all;
// Initialize extent of map width and height for identify parameters
identifyParameters.MapExtent = myMap.Extent;
identifyParameters.Width = (int)myMap.ActualWidth;
identifyParameters.Height = (int)myMap.ActualHeight;
// Identify the point clicked on the map
identifyParameters.Geometry = args.MapPoint;
// Execute the identify task
identifyTask.ExecuteAsync(identifyParameters);
}
}
// Perform Identify when the map is clicked.
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs args)
{
// Show an icon at the Identify location.
GraphicsLayer graphicsLayer = MyMap.Layers["IdentifyIconGraphicsLayer"] as GraphicsLayer;
graphicsLayer.ClearGraphics();
ESRI.ArcGIS.Client.Graphic graphic = new ESRI.ArcGIS.Client.Graphic()
{
Geometry = args.MapPoint,
Symbol = LayoutRoot.Resources["IdentifyLocationSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol
};
graphicsLayer.Graphics.Add(graphic);
// Identify task initialization.
IdentifyTask identifyTask = new IdentifyTask("http://maverick.arcgis.com/ArcGIS/rest/services/World_WGS84/MapServer/");
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
// Initialize Identify parameters. Specify search of all layers.
IdentifyParameters identifyParameters = new IdentifyParameters();
//identifyParameters.LayerOption = LayerOption.all;
identifyParameters.LayerIds.AddRange(new int[] { 0, 1 });
// Pass the current Map properties to Identify parameters.
identifyParameters.MapExtent = MyMap.Extent;
identifyParameters.Width = (int)MyMap.ActualWidth;
identifyParameters.Height = (int)MyMap.ActualHeight;
// Identify features at the click point.
identifyParameters.Geometry = args.MapPoint;
identifyTask.ExecuteAsync(identifyParameters);
}
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
MapPoint mapPoint = e.MapPoint;
if (_displayViewshedInfo && resultLayer != null)
{
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = mapPoint,
MapExtent = MyMap.Extent,
Width = (int)MyMap.ActualWidth,
Height = (int)MyMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = MyMap.SpatialReference
};
IdentifyTask identifyTask = new IdentifyTask(resultLayer.Url);
identifyTask.ExecuteCompleted += (s, ie) =>
{
if (ie.IdentifyResults.Count > 0)
{
foreach (var identifyresult in ie.IdentifyResults)
{
if (identifyresult.LayerId == 1)
{
Graphic g = identifyresult.Feature;
MyInfoWindow.Anchor = e.MapPoint;
MyInfoWindow.Content = g.Attributes;
MyInfoWindow.IsOpen = true;
break;
}
}
}
};
identifyTask.ExecuteAsync(identifyParams);
}
else
{
_geoprocessorTask.CancelAsync();
graphicsLayer.ClearGraphics();
mapPoint.SpatialReference = new SpatialReference(102100);
Graphic graphic = new Graphic()
{
Symbol = LayoutRoot.Resources["StartMarkerSymbol"] as Symbol,
Geometry = mapPoint
};
graphicsLayer.Graphics.Add(graphic);
MyMap.Cursor = System.Windows.Input.Cursors.Wait;
List<GPParameter> parameters = new List<GPParameter>();
parameters.Add(new GPFeatureRecordSetLayer("Input_Features", mapPoint));
parameters.Add(new GPString("Height", HeightTextBox.Text));
parameters.Add(new GPLinearUnit("Distance", esriUnits.esriMiles, Convert.ToDouble(MilesTextBox.Text)));
_geoprocessorTask.OutputSpatialReference = new SpatialReference(102100);
_geoprocessorTask.SubmitJobAsync(parameters);
}
}
private void QueryPoint_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
ESRI.ArcGIS.Client.Geometry.MapPoint clickPoint = e.MapPoint;
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = clickPoint,
MapExtent = MyMap.Extent,
Width = (int)MyMap.ActualWidth,
Height = (int)MyMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = MyMap.SpatialReference
};
IdentifyTask identifyTask = new IdentifyTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Demographics/ESRI_Census_USA/MapServer");
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
identifyTask.ExecuteAsync(identifyParams);
GraphicsLayer graphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.ClearGraphics();
ESRI.ArcGIS.Client.Graphic graphic = new ESRI.ArcGIS.Client.Graphic()
{
Geometry = clickPoint,
Symbol = LayoutRoot.Resources["DefaultPictureSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol
};
graphicsLayer.Graphics.Add(graphic);
}
private void DoIdentify()
{
if (Map == null)
{
return;
}
if (PendingIdentifies > 0 && identifyTasks != null)
{
foreach (IdentifyTask task in identifyTasks)
{
task.CancelAsync();
}
}
identifyTasks = new List <IdentifyTask>();
List <IdentifyParameters> parameters = new List <IdentifyParameters>();
List <Layer> layers = new List <Layer>();
List <GraphicsLayerResult> graphicsLayerResults = new List <GraphicsLayerResult>();
identifyTaskResults = new List <object>();
IdentifyTask identifyTask;
_popupInfo = MapApplication.Current.GetPopup(null, null);
// Watch for property changes on the view model. The one in particular that this event handler is interested
// in is when the popupitem changes. When this happens we will want to then establish a new event handler for
// when properties change of the popupitem. In particular, when the Graphic property changes so that we can
// reconstruct the header value for the popup if the value that changed was the field used to display in the
// header.
_popupInfo.PropertyChanged += _popupInfo_PropertyChanged;
for (int i = Map.Layers.Count - 1; i >= 0; i--)
{
Layer layer = Map.Layers[i];
if (!ESRI.ArcGIS.Client.Extensibility.LayerProperties.GetIsPopupEnabled(layer))
{
continue;
}
if (!layer.Visible)
{
continue;
}
if (layer is ArcGISDynamicMapServiceLayer || layer is ArcGISTiledMapServiceLayer)
{
Collection <int> layerIds = getIdentifyLayerIds(layer);
// If layer is a dynamic map service layer, get layer definitions
IEnumerable <LayerDefinition> layerDefinitions = null;
IEnumerable <TimeOption> timeOptions = null;
if (layer is ArcGISDynamicMapServiceLayer)
{
var dynamicLayer = (ArcGISDynamicMapServiceLayer)layer;
if (dynamicLayer.LayerDefinitions != null)
{
layerDefinitions = dynamicLayer.LayerDefinitions.Where(
l => layerIds.Contains(l.LayerID));
}
if (dynamicLayer.LayerTimeOptions != null)
{
timeOptions = dynamicLayer.LayerTimeOptions.Where(
to => layerIds.Contains(int.Parse(to.LayerId)));
}
else if (dynamicLayer.TimeExtent != null)
{
timeOptions = dynamicLayer.Layers.Select(l => new TimeOption()
{
LayerId = l.ID.ToString(),
UseTime = true
});
}
}
if ((layer.GetValue(ESRI.ArcGIS.Mapping.Core.LayerExtensions.LayerInfosProperty) as Collection <LayerInformation>)
== null) //require layer infos
{
continue;
}
if ((layerIds != null && layerIds.Count > 0))
{
identifyTask = new IdentifyTask(IdentifySupport.GetLayerUrl(layer));
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
string proxy = IdentifySupport.GetLayerProxyUrl(layer);
if (!string.IsNullOrEmpty(proxy))
{
identifyTask.ProxyURL = proxy;
}
int width, height;
if (!int.TryParse(Map.ActualHeight.ToString(), out height))
{
height = 100;
}
if (!int.TryParse(Map.ActualWidth.ToString(), out width))
{
width = 100;
}
IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = clickPoint,
MapExtent = Map.Extent,
SpatialReference = Map.SpatialReference,
LayerOption = LayerOption.visible,
Width = width,
Height = height,
LayerDefinitions = layerDefinitions,
TimeExtent = AssociatedObject.TimeExtent,
TimeOptions = timeOptions
};
foreach (int item in layerIds)
{
identifyParams.LayerIds.Add(item);
}
identifyTasks.Add(identifyTask);
parameters.Add(identifyParams);
layers.Add(layer);
}
}
else if (layer is GraphicsLayer &&
ESRI.ArcGIS.Mapping.Core.LayerExtensions.GetPopUpsOnClick(layer as GraphicsLayer))
{
GraphicsLayer graphicsLayer = layer as GraphicsLayer;
GeneralTransform t = GetTransformToRoot(Map);
IEnumerable <Graphic> selected = Core.Utility.FindGraphicsInHostCoordinates(graphicsLayer, t.Transform(Map.MapToScreen(clickPoint)));
if (selected != null)
{
List <Graphic> results = new List <Graphic>(selected);
if (results.Count > 0)
{
graphicsLayerResults.Add(new GraphicsLayerResult()
{
Layer = graphicsLayer,
Results = results,
ClickedPoint = clickPoint
});
}
}
}
}
PendingIdentifies = identifyTasks.Count + graphicsLayerResults.Count;
if (PendingIdentifies > 0)
{
for (int i = 0; i < identifyTasks.Count; i++)
{
identifyTasks[i].ExecuteAsync(parameters[i], new UserState()
{
ClickedPoint = clickPoint, Layer = layers[i]
});
}
for (int i = 0; i < graphicsLayerResults.Count; i++)
{
reportResults(graphicsLayerResults[i]);
}
}
}
private static async Task <KeyValuePair <Layer, IEnumerable <IdentifyFeature> > > IdentifyLayer(MapViewController controller, Layer layer, Point tapPoint, MapPoint mapPoint)
{
if (layer is ArcGISDynamicMapServiceLayer)
{
var dynamicLayer = ((ArcGISDynamicMapServiceLayer)layer);
if (!dynamicLayer.ServiceInfo.Capabilities.Contains("Query"))
{
return(new KeyValuePair <Layer, IEnumerable <IdentifyFeature> >(layer, null));
}
var identifyTask = new IdentifyTask(new Uri(dynamicLayer.ServiceUri, UriKind.Absolute));
var resolution = controller.UnitsPerPixel;
var center = controller.Extent.GetCenter();
var extent = new Envelope(center.X - resolution * c_defaultTolerance, center.Y - resolution * c_defaultTolerance,
center.X + resolution * c_defaultTolerance, center.Y + resolution * c_defaultTolerance, controller.SpatialReference);
var identifyParameter = new IdentifyParameters(mapPoint, extent, c_defaultTolerance, c_defaultTolerance,
c_defaultTolerance, DisplayInformation.GetForCurrentView().LogicalDpi)
{
LayerOption = LayerOption.Visible,
LayerTimeOptions = dynamicLayer.LayerTimeOptions,
LayerIDs = dynamicLayer.VisibleLayers,
DynamicLayerInfos = dynamicLayer.DynamicLayerInfos,
GeodatabaseVersion = dynamicLayer.GeodatabaseVersion,
TimeExtent = controller.TimeExtent,
};
var identifyItems = (await identifyTask.ExecuteAsync(identifyParameter)).Results;
var identifyFeatures = new List <IdentifyFeature>();
try
{
var dict = new Dictionary <int, IReadOnlyList <FieldInfo> >();
foreach (var identifyItem in identifyItems)
{
IReadOnlyList <FieldInfo> fields;
if (dict.ContainsKey(identifyItem.LayerID))
{
fields = dict[identifyItem.LayerID];
}
else
{
fields = await GetFieldInfo(dynamicLayer, identifyItem);
dict[identifyItem.LayerID] = fields;
}
var identifyFeature = ReplaceAliasWithFieldName(identifyItem, fields);
identifyFeatures.Add(identifyFeature);
}
}
catch (Exception ex)
{
throw;
}
return(new KeyValuePair <Layer, IEnumerable <IdentifyFeature> >(layer, identifyFeatures));
}
if (layer is ArcGISTiledMapServiceLayer)
{
var tiledlayer = ((ArcGISTiledMapServiceLayer)layer);
if (!tiledlayer.ServiceInfo.Capabilities.Contains("Query"))
{
return(new KeyValuePair <Layer, IEnumerable <IdentifyFeature> >(layer, null));
}
var identifyTask = new IdentifyTask(new Uri(tiledlayer.ServiceUri, UriKind.Absolute));
var resolution = controller.UnitsPerPixel;
var center = controller.Extent.GetCenter();
var extent = new Envelope(center.X - resolution * c_defaultTolerance, center.Y - resolution * c_defaultTolerance,
center.X + resolution * c_defaultTolerance, center.Y + resolution * c_defaultTolerance, controller.SpatialReference);
var identifyParameter = new IdentifyParameters(mapPoint, extent, c_defaultTolerance, c_defaultTolerance,
c_defaultTolerance, DisplayInformation.GetForCurrentView().LogicalDpi)
{
LayerOption = LayerOption.Visible,
TimeExtent = controller.TimeExtent,
};
var identifyItems = (await identifyTask.ExecuteAsync(identifyParameter)).Results;
var identifyFeatures = new List <IdentifyFeature>();
var dict = new Dictionary <int, IReadOnlyList <FieldInfo> >();
foreach (var identifyItem in identifyItems)
{
IReadOnlyList <FieldInfo> fields;
if (dict.ContainsKey(identifyItem.LayerID))
{
fields = dict[identifyItem.LayerID];
}
else
{
fields = await GetFieldInfo(tiledlayer, identifyItem);
dict[identifyItem.LayerID] = fields;
}
var identifyFeature = ReplaceAliasWithFieldName(identifyItem, fields);
identifyFeatures.Add(identifyFeature);
}
return(new KeyValuePair <Layer, IEnumerable <IdentifyFeature> >(layer, identifyFeatures));
}
if (layer is FeatureLayer)
{
var featureLayer = ((FeatureLayer)layer);
var featureIds = await controller.FeatureLayerHitTestAsync(featureLayer, tapPoint, 1000);
IEnumerable <Feature> features = new List <Feature>();
if (featureIds != null && featureIds.Any())
{
features = await featureLayer.FeatureTable.QueryAsync(featureIds);
}
var schema = featureLayer.FeatureTable.Schema;
IList <IdentifyFeature> displayFeatures = new List <IdentifyFeature>();
foreach (var f in features)
{
var objectIDFieldName = schema.Fields.FirstOrDefault(x => x.Type == FieldType.Oid).Name;
var objectIDFieldValue = f.Attributes[objectIDFieldName].ToString();
IdentifyItem identifyItem = new IdentifyItem(-1, featureLayer.DisplayName, objectIDFieldName, objectIDFieldValue, f);
IdentifyFeature identifyFeature = new IdentifyFeature(identifyItem, schema.Fields);
displayFeatures.Add(identifyFeature);
}
return(new KeyValuePair <Layer, IEnumerable <IdentifyFeature> >(layer, displayFeatures));
}
if (layer is GraphicsLayer)
{
var graphicsLayer = ((GraphicsLayer)layer);
var graphics = await controller.GraphicsLayerHitTestAsync(graphicsLayer, tapPoint, 1000);
return(new KeyValuePair <Layer, IEnumerable <IdentifyFeature> >(layer, graphics.Select(f => new IdentifyFeature(new IdentifyItem(
-1,
layer.DisplayName,
"",
"",
f
)))));
}
// Not supported or not implemented yet
return(new KeyValuePair <Layer, IEnumerable <IdentifyFeature> >(layer, null));
}
public void IdentifyPoint(Map ParcelMap, ref Configuration config, ESRI.ArcGIS.Client.Geometry.MapPoint clickPoint)
{
if (config.IdentifyURL == "")
return;
if (config.IdentifyLayerCount == 0)
return;
if (config.UseQueryIdentify)
{
_dataItems = new List<DataItem>();
GeometryService geometryServicePointSnap = new GeometryService(config.GeometryServerUrl);
if (geometryServicePointSnap == null)
return;
QueryItem queryItem = new QueryItem(ParcelMap, ref config, clickPoint, 0);
geometryServicePointSnap.BufferCompleted += GeometryService_IdentifyPointBufferCompleted;
geometryServicePointSnap.Failed += GeometryService_Failed;
geometryServicePointSnap.CancelAsync();
SimpleMarkerSymbol defaultSymbolMarker = new SimpleMarkerSymbol()
{
Color = System.Windows.Media.Brushes.Black, Size = 8,
Style = SimpleMarkerSymbol.SimpleMarkerStyle.Circle
};
Graphic clickGraphic = new Graphic();
clickGraphic.Symbol = defaultSymbolMarker as ESRI.ArcGIS.Client.Symbols.Symbol;
clickGraphic.Geometry = clickPoint;
// Input spatial reference for buffer operation defined by first feature of input geometry array
clickGraphic.Geometry.SpatialReference = ParcelMap.SpatialReference;
// If buffer spatial reference is GCS and unit is linear, geometry service will do geodesic buffering
ESRI.ArcGIS.Client.Tasks.BufferParameters bufferParams = new ESRI.ArcGIS.Client.Tasks.BufferParameters()
{
BufferSpatialReference = ParcelMap.SpatialReference,
OutSpatialReference = ParcelMap.SpatialReference,
Unit = LinearUnit.Meter,
};
bufferParams.Distances.Add(config.SnapTolerance * config.SpatialReferenceUnitsPerMeter);
bufferParams.Features.Add(clickGraphic);
geometryServicePointSnap.BufferAsync(bufferParams, queryItem);
}
else
{
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = clickPoint,
MapExtent = ParcelMap.Extent,
Width = (int)ParcelMap.ActualWidth,
Height = (int)ParcelMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = ParcelMap.SpatialReference
};
// For performance, we allow certain layers to be only identified.
if (config.IdentifyLayerIDs != null)
foreach (int id in config.IdentifyLayerIDs)
identifyParams.LayerIds.Add(id);
IdentifyTask identifyTask = new IdentifyTask(config.IdentifyURL);
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
QueryItem queryItem = new QueryItem(ParcelMap, ref config, clickPoint, 0);
identifyTask.ExecuteAsync(identifyParams, queryItem);
}
}
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
MapPoint mapPoint = e.MapPoint;
if (_displayViewshedInfo && resultLayer != null)
{
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = mapPoint,
MapExtent = MyMap.Extent,
Width = (int)MyMap.ActualWidth,
Height = (int)MyMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = MyMap.SpatialReference
};
IdentifyTask identifyTask = new IdentifyTask(resultLayer.Url);
identifyTask.ExecuteCompleted += (s, ie) =>
{
if (ie.IdentifyResults.Count > 0)
{
foreach (var identifyresult in ie.IdentifyResults)
{
if (identifyresult.LayerId == 1)
{
Graphic g = identifyresult.Feature;
MyInfoWindow.Anchor = e.MapPoint;
MyInfoWindow.Content = g.Attributes;
MyInfoWindow.IsOpen = true;
break;
}
}
}
};
identifyTask.ExecuteAsync(identifyParams);
}
else
{
_geoprocessorTask.CancelAsync();
graphicsLayer.Graphics.Clear();
mapPoint.SpatialReference = new SpatialReference(102100);
Graphic graphic = new Graphic()
{
Symbol = LayoutRoot.Resources["StartMarkerSymbol"] as Symbol,
Geometry = mapPoint
};
graphicsLayer.Graphics.Add(graphic);
MyMap.Cursor = System.Windows.Input.Cursors.Wait;
List <GPParameter> parameters = new List <GPParameter>();
parameters.Add(new GPFeatureRecordSetLayer("Input_Features", mapPoint));
parameters.Add(new GPString("Height", HeightTextBox.Text));
parameters.Add(new GPLinearUnit("Distance", esriUnits.esriMiles, Convert.ToDouble(MilesTextBox.Text)));
_geoprocessorTask.OutputSpatialReference = new SpatialReference(102100);
_geoprocessorTask.SubmitJobAsync(parameters);
}
}
public void IdentifyPoint(Map ParcelMap, ref Configuration config, ESRI.ArcGIS.Client.Geometry.MapPoint clickPoint)
{
if (config.IdentifyURL == "")
{
return;
}
if (config.IdentifyLayerCount == 0)
{
return;
}
if (config.UseQueryIdentify)
{
_dataItems = new List <DataItem>();
GeometryService geometryServicePointSnap = new GeometryService(config.GeometryServerUrl);
if (geometryServicePointSnap == null)
{
return;
}
QueryItem queryItem = new QueryItem(ParcelMap, ref config, clickPoint, 0);
geometryServicePointSnap.BufferCompleted += GeometryService_IdentifyPointBufferCompleted;
geometryServicePointSnap.Failed += GeometryService_Failed;
geometryServicePointSnap.CancelAsync();
SimpleMarkerSymbol defaultSymbolMarker = new SimpleMarkerSymbol()
{
Color = System.Windows.Media.Brushes.Black, Size = 8,
Style = SimpleMarkerSymbol.SimpleMarkerStyle.Circle
};
Graphic clickGraphic = new Graphic();
clickGraphic.Symbol = defaultSymbolMarker as ESRI.ArcGIS.Client.Symbols.Symbol;
clickGraphic.Geometry = clickPoint;
// Input spatial reference for buffer operation defined by first feature of input geometry array
clickGraphic.Geometry.SpatialReference = ParcelMap.SpatialReference;
// If buffer spatial reference is GCS and unit is linear, geometry service will do geodesic buffering
ESRI.ArcGIS.Client.Tasks.BufferParameters bufferParams = new ESRI.ArcGIS.Client.Tasks.BufferParameters()
{
BufferSpatialReference = ParcelMap.SpatialReference,
OutSpatialReference = ParcelMap.SpatialReference,
Unit = LinearUnit.Meter,
};
bufferParams.Distances.Add(config.SnapTolerance * config.SpatialReferenceUnitsPerMeter);
bufferParams.Features.Add(clickGraphic);
geometryServicePointSnap.BufferAsync(bufferParams, queryItem);
}
else
{
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = clickPoint,
MapExtent = ParcelMap.Extent,
Width = (int)ParcelMap.ActualWidth,
Height = (int)ParcelMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = ParcelMap.SpatialReference
};
// For performance, we allow certain layers to be only identified.
if (config.IdentifyLayerIDs != null)
{
foreach (int id in config.IdentifyLayerIDs)
{
identifyParams.LayerIds.Add(id);
}
}
IdentifyTask identifyTask = new IdentifyTask(config.IdentifyURL);
identifyTask.ExecuteCompleted += IdentifyTask_ExecuteCompleted;
identifyTask.Failed += IdentifyTask_Failed;
QueryItem queryItem = new QueryItem(ParcelMap, ref config, clickPoint, 0);
identifyTask.ExecuteAsync(identifyParams, queryItem);
}
}
private void MyMap_MapGesture(object sender, Map.MapGestureEventArgs e)
{
MapPoint mapPoint = e.MapPoint;
if (_displayViewshedInfo && resultLayer != null && e.Gesture == GestureType.Tap)
{
ESRI.ArcGIS.Client.Tasks.IdentifyParameters identifyParams = new IdentifyParameters()
{
Geometry = mapPoint,
MapExtent = MyMap.Extent,
Width = (int)MyMap.ActualWidth,
Height = (int)MyMap.ActualHeight,
LayerOption = LayerOption.visible,
SpatialReference = MyMap.SpatialReference
};
IdentifyTask identifyTask = new IdentifyTask(resultLayer.Url);
identifyTask.ExecuteCompleted += (s, ie) =>
{
if (ie.IdentifyResults.Count > 0)
{
foreach (var identifyresult in ie.IdentifyResults)
{
if (identifyresult.LayerId == 1)
{
Graphic g = identifyresult.Feature;
MyInfoWindow.Anchor = e.MapPoint;
MyInfoWindow.Content = g.Attributes;
MyInfoWindow.IsOpen = true;
break;
}
}
}
};
identifyTask.ExecuteAsync(identifyParams);
}
}
} // public void log(String txt)
/// <summary>
/// Fires when the drawing action is complete.
/// Issues an identify operation using the drawn geometry.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DrawComplete(object sender, DrawEventArgs e)
{
log("VIdentify.DrawComplete");
var map = MapApplication.Current.Map;
var clickPoint = e.Geometry as MapPoint;
var identifyParams = new IdentifyParameters()
{
Geometry = clickPoint.Clone(),
MapExtent = map.Extent.Clone(),
LayerOption = LayerOption.visible,
Tolerance = 2, // default = 2
SpatialReference = map.SpatialReference.Clone(),
Height = (int)map.ActualHeight,
Width = (int)map.ActualWidth,
ReturnGeometry = false
};
// get layer url
/*
* для линейных слоев иногда ничего не находит
* Возможно потому, что надо выбирать толеранец поболе?
* http://rngis.algis.com/ArcGIS/rest/services/mesh/MapServer/identify?geometryType=esriGeometryPoint&geometry=%7b%22x%22%3a8678329.72666139%2c%22y%22%3a6793256.24367089%2c%22spatialReference%22%3a%7b%22wkid%22%3a102100%7d%7d&returnGeometry=true&sr=102100&imageDisplay=0%2c0%2c96&layers=visible&tolerance=2&mapExtent=-7380211.5%2c2988666.0221519%2c12657297%2c12246502.2278481&f=json&
*/
var lyr = new VLayer(MapApplication.Current.SelectedLayer);
srvUrl = lyr.getAGSMapServiceUrl();
if (srvUrl == "")
{
log(string.Format("VIdentify.DrawComplete, layer has wrong type [{0}]", lyr.lyrType));
identifyDialog.DataDisplayTitleBottom.Text =
string.Format("Ошибка, выделенный слой [тип {0}] не поддерживает операцию Identify, ", lyr.lyrType);
return;
}
identifyTask.Url = srvUrl;
identifyTask.ProxyURL = lyr.proxy;
//identifyTask.Token = "";
log(string.Format("VIdentify.DrawComplete, ask [{0}]", srvUrl));
// clear result window
DataItems.Clear();
// say "wait for server..."
identifyDialog.DataDisplayTitleBottom.Text = "Ждем ответа от сервера...";
if (identifyTask.IsBusy)
{
identifyTask.CancelAsync();
}
identifyTask.ExecuteAsync(identifyParams);
var graphicsLayer = map.Layers["IdentifyResultsLayer"]
as GraphicsLayer;
if (graphicsLayer == null)
{
graphicsLayer = createResultsLayer();
map.Layers.Add(graphicsLayer);
MapApplication.Current.SelectedLayer = lyr.lyr;
}
else
{
graphicsLayer.ClearGraphics();
}
Graphic graphic = new Graphic()
{
Geometry = clickPoint
};
graphicsLayer.Graphics.Add(graphic);
} // private void DrawComplete(object sender, DrawEventArgs e)
