private void RunQuery() { parcelsGraphicsLayer.Graphics.Clear(); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { ReturnGeometry = true, OutSpatialReference = MyMap.SpatialReference, Where = string.Format("OWNER_NAME LIKE '%{0}%'", SearchTextBox.Text), OrderByFields = new List<OrderByField>() { new OrderByField("OWNER_NAME", SortOrder.Ascending) } }; query.OutFields.Add("OWNER_NAME,PARCEL_ID,ZONING,DEED_DATE"); QueryTask queryTask = new QueryTask("http://sampleserver6.arcgisonline.com/arcgis/rest/services/MontgomeryQuarters/MapServer/1"); queryTask.ExecuteCompleted += (s, a) => { foreach (Graphic g in a.FeatureSet.Features) { parcelsGraphicsLayer.Graphics.Add(g); FeatureListBox.Items.Add(g); } (ApplicationBar.Buttons[0] as IApplicationBarIconButton).IsEnabled = true; FeatureChoicesPage.Visibility = Visibility.Visible; }; FeatureListBox.Items.Clear(); queryTask.ExecuteAsync(query); }
private Graphic QueryRouteFeatureByName(String routeName) { LookupFieldNames(); if (_routesRouteNameFieldName == null) { return(null); } // TODO: get the feature directly from the feature layer instead of querying for it QueryTask queryTask = new QueryTask(_flRoutes.Url); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.Where = (_routesRouteNameFieldName + "='" + routeName + "'"); query.ReturnGeometry = true; query.OutFields.AddRange(new string[] { "*" }); queryTask.Execute(query); if (queryTask.LastResult.Features.Count() > 0) { return(queryTask.LastResult.Features.First()); } else { return(null); } }
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args) { ResultsDisplay.Visibility = Visibility.Collapsed; MyDrawObject.IsEnabled = false; selectionGraphicslayer.ClearGraphics(); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; // Bind data grid to query results Binding resultFeaturesBinding = new Binding("LastResult.Features"); resultFeaturesBinding.Source = queryTask; QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding); Query query = new ESRI.ArcGIS.Client.Tasks.Query(); // Specify fields to return from query query.OutFields.AddRange(new string[] { "STATE_NAME", "SUB_REGION", "STATE_FIPS", "STATE_ABBR", "POP2000", "POP2007" }); query.Geometry = args.Geometry; // Return geometry with result features query.ReturnGeometry = true; query.OutSpatialReference = MyMap.SpatialReference; queryTask.ExecuteAsync(query); }
void findNearestWSGPTask_GetResultDataCompleted(object sender, GPParameterEventArgs e) { try { GPFeatureRecordSetLayer gpLayer = e.Parameter as GPFeatureRecordSetLayer; foreach (client.Graphic graphic in gpLayer.FeatureSet.Features) { double distance = Convert.ToDouble(graphic.Attributes["NEAR_DIST"]) * 69.09; _weatherStationDistanceInfo = "Distance to weather station: " + distance.ToString("0.000") + " miles"; //get the wind direction from the nearest weather station... int fid = Convert.ToInt32(graphic.Attributes["NEAR_FID"]); if (_windDirectionLayer != null) { QueryTask windDirectionQueryTask = new QueryTask(_windDirectionLayer.Url); windDirectionQueryTask.ExecuteCompleted += WindDirectionQueryTask_ExecuteCompleted; windDirectionQueryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query windDirectionQuery = new ESRI.ArcGIS.Client.Tasks.Query(); windDirectionQuery.OutFields.AddRange(new string[] { "*" }); windDirectionQuery.Where = "OBJECTID =" + fid; windDirectionQueryTask.ExecuteAsync(windDirectionQuery); } } } catch (Exception ex) { System.Diagnostics.Debug.WriteLine(ex.Message); MessageBox.Show("Error processing ERG Task Results!", "Error"); return; } }
private void LoadGraphics() { // Set query where clause to include features with an area greater than 70 square miles. This // will effectively exclude the District of Columbia from attributes to avoid skewing classifications. ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Where = "SQMI > 70", ReturnGeometry = true, OutSpatialReference = MyMap.SpatialReference }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" + "Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += (evtsender, args) => { if (args.FeatureSet == null) { return; } _featureSet = args.FeatureSet; SetRangeValues(); RenderButton.IsEnabled = true; }; queryTask.ExecuteAsync(query); CreateColorList(); CreateThematicList(); }
/// <summary> /// Runs a test query against the specified date field to determine the type of data source. /// </summary> private static void QueryDate(string dataSetUrl, bool useProxy, SubLayerField dateField, string dataSource, EventHandler <DataSourceEventArgs> callback) { DateTime testDate = new DateTime(1977, 12, 01, 0, 0, 0, 0); QueryTask qT = new QueryTask(dataSetUrl); if (useProxy) { qT.ProxyURL = ArcGISOnlineEnvironment.ConfigurationUrls.ProxyServerEncoded; } ESRI.ArcGIS.Client.Tasks.Query q = new ESRI.ArcGIS.Client.Tasks.Query(); q.OutFields.Add(dateField.Name); q.Where = dateField.Name + " = " + Format(testDate, dataSource); q.ReturnGeometry = false; EventHandler <ESRI.ArcGIS.Client.Tasks.QueryEventArgs> completedHandler = null; completedHandler = (object sender, ESRI.ArcGIS.Client.Tasks.QueryEventArgs e) => { callback(null, new DataSourceEventArgs() { DataSource = dataSource }); }; qT.ExecuteCompleted += completedHandler; //execute the query // qT.ExecuteAsync(q); }
private void RunQuery() { parcelsGraphicsLayer.Graphics.Clear(); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { ReturnGeometry = true, OutSpatialReference = MyMap.SpatialReference, Where = string.Format("OWNER_NAME LIKE '%{0}%'", SearchTextBox.Text), OrderByFields = new List <OrderByField>() { new OrderByField("OWNER_NAME", SortOrder.Ascending) } }; query.OutFields.Add("OWNER_NAME,PARCEL_ID,ZONING,DEED_DATE"); QueryTask queryTask = new QueryTask("http://sampleserver6.arcgisonline.com/arcgis/rest/services/MontgomeryQuarters/MapServer/1"); queryTask.ExecuteCompleted += (s, a) => { foreach (Graphic g in a.FeatureSet.Features) { parcelsGraphicsLayer.Graphics.Add(g); FeatureListBox.Items.Add(g); } (ApplicationBar.Buttons[0] as IApplicationBarIconButton).IsEnabled = true; FeatureChoicesPage.Visibility = Visibility.Visible; }; FeatureListBox.Items.Clear(); queryTask.ExecuteAsync(query); }
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args) { ResultsDisplay.Visibility = Visibility.Collapsed; MyDrawObject.IsEnabled = false; selectionGraphicslayer.Graphics.Clear(); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; // Bind data grid to query results Binding resultFeaturesBinding = new Binding("LastResult.Features"); resultFeaturesBinding.Source = queryTask; QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding); Query query = new ESRI.ArcGIS.Client.Tasks.Query(); // Specify fields to return from query query.OutFields.AddRange(new string[] { "STATE_NAME", "SUB_REGION", "STATE_FIPS", "STATE_ABBR", "POP2000", "POP2007" }); query.Geometry = args.Geometry; // Return geometry with result features query.ReturnGeometry = true; query.OutSpatialReference = MyMap.SpatialReference; queryTask.ExecuteAsync(query); }
private void RunFindParcelQuery(LayerDefinition layerDefn) { QueryTask queryTask = new QueryTask(layerDefn.Layer()); if (queryTask == null) { return; } queryTask.ExecuteCompleted += QueryLayer_ExecuteCompleted; queryTask.Failed += QueryLayer_Failed; queryTask.CancelAsync(); Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutFields.AddRange(layerDefn.AllFields); query.ReturnGeometry = true; query.OutSpatialReference = ParcelMap.SpatialReference; // if the upper function is null/empty (it defaults to UPPER), then // an exact case search is performed. string upper = _xmlConfiguation.UpperFunction; string wild = _xmlConfiguation.WildcardCharacter; string endFn = ""; if (upper != "") { upper += "("; endFn = ")"; } // if the wide card function is null/empty (it defaults to %), then // an exact search (case and value) is performed. string where = ""; foreach (string field in layerDefn.SearchFields) { if (where != "") { where += " or "; } if (wild == "") { where += "(" + field + " = '" + SearchItem.Text + "')"; } else { where += "(" + upper + field + endFn + " like '" + wild + SearchItem.Text.ToUpper() + wild + "')"; } } query.Where = where; queryTask.ExecuteAsync(query, layerDefn); }
void QueryButton_Click(object sender, RoutedEventArgs e) { QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.Text = StateNameTextBox.Text; query.OutFields.Add("*"); queryTask.ExecuteAsync(query); }
private void CitiesGraphicsLayer_Initialized(object sender, EventArgs e) { ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90) }; query.OutFields.Add("*"); query.Where = "POP1990 > 100000"; QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0"); queryTask.ExecuteCompleted += CitiesGraphicsLayerQueryTask_ExecuteCompleted; queryTask.ExecuteAsync(query); }
void StatesGraphicsLayer_Initialized(object sender, EventArgs args) { ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90) }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += StatesGraphicsLayerQueryTask_ExecuteCompleted; queryTask.ExecuteAsync(query); }
void QueryButton_Click(object sender, RoutedEventArgs e) { QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" + "Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.Text = StateNameTextBox.Text; query.OutFields.Add("*"); queryTask.ExecuteAsync(query); }
private void LoadPolygonGraphics() { QueryTask queryTask = new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/UnitedStates/FeatureServer/3"); queryTask.ExecuteCompleted += queryTaskPolygon_ExecuteCompleted; Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutSpatialReference = MyMap.SpatialReference; query.ReturnGeometry = true; query.Where = "1=1"; query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2000" }); queryTask.ExecuteAsync(query); }
public CreateWebMapObject() { InitializeComponent(); //Define BaseMap Layer basemap = new BaseMap() { Layers = new List<WebMapLayer> { new WebMapLayer { Url = "http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer" } } }; //Add a ArcGISDynamicMapService operationLayers.Add(new WebMapLayer { Url = "http://serverapps10.esri.com/ArcGIS/rest/services/California/MapServer", VisibleLayers = new List<object> { 0, 1, 3, 6, 9 } }); //Define popup IList<FieldInfo> fieldinfos = new List<FieldInfo>(); fieldinfos.Add(new FieldInfo() { FieldName = "STATE_NAME", Label = "State", Visible = true }); IList<MediaInfo> mediainfos = new List<MediaInfo>(); MediaInfoValue infovalue = new MediaInfoValue(); infovalue.Fields = new string[] { "POP2000,POP2007" }; mediainfos.Add(new MediaInfo() { Type = MediaType.PieChart, Value = infovalue }); PopupInfo popup = new PopupInfo() { FieldInfos = fieldinfos, MediaInfos = mediainfos, Title = "Population Change between 2000 and 2007", }; //Add a Feature Layer with popup operationLayers.Add(new WebMapLayer { Url = "http://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/3", Mode = FeatureLayer.QueryMode.OnDemand, PopupInfo = popup }); //Perform Query to get a featureSet and add to webmap as featurecollection QueryTask qt = new QueryTask() { Url = "http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Earthquakes/EarthquakesFromLastSevenDays/MapServer/0" }; qt.ExecuteCompleted += qt_ExecuteCompleted; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutFields.Add("*"); query.Where = "magnitude > 3.5"; query.ReturnGeometry = true; qt.Failed += (a, b) => { MessageBox.Show("QueryTask failed to execute:" + b.Error); }; qt.ExecuteAsync(query); }
void Layers_LayersInitialized(object sender, EventArgs args) { ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = MyMap.Extent, ReturnGeometry=true, OutSpatialReference = MyMap.SpatialReference }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.ExecuteAsync(query); }
void Layers_LayersInitialized(object sender, EventArgs args) { ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true }; query.OutFields.Add("STATE_NAME"); query.Where = "STATE_NAME IN ('Alaska', 'Hawaii', 'Washington', 'Oregon', 'Arizona', 'Nevada', 'Idaho', 'Montana', 'Utah', 'Wyoming', 'Colorado', 'New Mexico')"; QueryTask myQueryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); myQueryTask.ExecuteCompleted += myQueryTask_ExecuteCompleted; myQueryTask.ExecuteAsync(query); }
void Layers_LayersInitialized(object sender, EventArgs args) { ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = MyMap.Extent, ReturnGeometry = true, OutSpatialReference = MyMap.SpatialReference }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.ExecuteAsync(query); }
private void CitiesGraphicsLayerLoad() { ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90), ReturnGeometry = true, OutSpatialReference = MyMap.SpatialReference }; query.OutFields.Add("*"); query.Where = "POP1990 > 100000"; QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0"); queryTask.ExecuteCompleted += CitiesGraphicsLayerQueryTask_ExecuteCompleted; queryTask.ExecuteAsync(query); }
void StatesGraphicsLayerLoad() { ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90), ReturnGeometry = true, OutSpatialReference = MyMap.SpatialReference }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += StatesGraphicsLayerQueryTask_ExecuteCompleted; queryTask.ExecuteAsync(query); }
private void doQuery(ESRI.ArcGIS.Client.Geometry.Geometry geometry) { QueryTask queryTask = new QueryTask("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer/2"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = geometry, SpatialRelationship = SpatialRelationship.esriSpatialRelContains, OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true }; query.OutFields.Add("*"); queryTask.ExecuteAsync(query); }
void GeometryService_BufferCompleted(object sender, GraphicsEventArgs args) { Graphic bufferGraphic = new Graphic(); bufferGraphic.Geometry = args.Results[0].Geometry; bufferGraphic.Symbol = LayoutRoot.Resources["BufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol; bufferGraphic.SetZIndex(1); _pointAndBufferGraphicsLayer.Graphics.Add(bufferGraphic); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.ReturnGeometry = true; query.OutSpatialReference = MyMap.SpatialReference; query.Geometry = bufferGraphic.Geometry; query.OutFields.Add("OWNERNME1"); _queryTask.ExecuteAsync(query); }
void MyMap_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) { if (e.PropertyName == "SpatialReference") { MyMap.PropertyChanged -= MyMap_PropertyChanged; _legendGridCollapsed = false; _classGridCollapsed = false; LegendCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; LegendExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; ClassCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; ClassExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; // Get start value for number of classifications in XAML. _lastGeneratedClassCount = Convert.ToInt32(((ComboBoxItem)ClassCountCombo.SelectedItem).Content); // Set query where clause to include features with an area greater than 70 square miles. This // will effectively exclude the District of Columbia from attributes to avoid skewing classifications. ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Where = "SQMI > 70", OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += (evtsender, args) => { if (args.FeatureSet == null) { return; } _featureSet = args.FeatureSet; SetRangeValues(); RenderButton.IsEnabled = true; }; queryTask.ExecuteAsync(query); CreateColorList(); CreateThematicList(); } }
private void LoadPolygonGraphics() { QueryTask queryTask = new QueryTask("http://serverapps.esri.com/SDS/databases/Demo/dbo.USStates_Mercator"); queryTask.ExecuteCompleted += queryTaskPolygon_ExecuteCompleted; Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutSpatialReference = MyMap.SpatialReference; query.ReturnGeometry = true; query.Where = "1=1"; // Note, query.Text is not supported for use with MapIt query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2008" }); queryTask.ExecuteAsync(query); }
private void QueryComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { if (QueryComboBox.SelectedItem.ToString().Contains("Select...")) return; QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.ReturnGeometry = true; query.Text = QueryComboBox.SelectedItem.ToString(); query.OutSpatialReference = MyMap.SpatialReference; query.OutFields.Add("*"); queryTask.ExecuteAsync(query); }
private void LoadGraphics() { QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0"); queryTask.ExecuteCompleted += queryTask_ExecuteCompleted; Query query = new ESRI.ArcGIS.Client.Tasks.Query() { OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true, Where = "1=1" }; query.OutFields.AddRange(new string[] { "CITY_NAME", "POP1990" }); queryTask.ExecuteAsync(query); }
private void LoadPointGraphics(int minLimitRange, int maxLimitRange) { QueryTask queryTask = new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/UnitedStates/FeatureServer/0"); queryTask.ExecuteCompleted += queryTaskPoint_ExecuteCompleted; queryTask.Failed += queryTask_Failed; Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutSpatialReference = MyMap.SpatialReference; query.ReturnGeometry = true; query.OutFields.AddRange(new string[] { "POP2000", "AREANAME" }); query.Where = string.Format("(OBJECTID >= {0}) AND (OBJECTID <= {1})", minLimitRange, maxLimitRange); queryTask.ExecuteAsync(query); }
private void MyDrawObject_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args) { myDrawObject.IsEnabled = false; QueryTask queryTask = new QueryTask("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Portland/Aerial/ImageServer/query"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutFields.Add("*"); query.Geometry = args.Geometry; query.ReturnGeometry = true; query.OutSpatialReference = MyMap.SpatialReference; query.Where = "Category = 1"; queryTask.ExecuteAsync(query); }
private void LoadGraphics() { QueryTask queryTask = new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/World/FeatureServer/0"); queryTask.ExecuteCompleted += queryTask_ExecuteCompleted; queryTask.DisableClientCaching = true; Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutSpatialReference = MyMap.SpatialReference; query.ReturnGeometry = true; query.Where = "POP_RANK < 4"; // Note, query.Text is not supported for use with Spatial Data Services query.OutFields.AddRange(new string[] { "CITY_NAME" }); queryTask.ExecuteAsync(query); }
void ThematicLayerControl_Loaded(object sender, RoutedEventArgs e) { ClassCountCombo.ItemsSource = new int[] { 3, 4, 5, 6 }; ClassTypeCombo.ItemsSource = new string[] { "Quantile", "Equal Interval" }; ColorBlendCombo.SelectedIndex = ClassTypeCombo.SelectedIndex = ClassCountCombo.SelectedIndex = 0; // Get start value for number of classifications in XAML. _lastGeneratedClassCount = 3; // Set query where clause to include features with an area greater than 70 square miles. This // will effectively exclude the District of Columbia from attributes to avoid skewing classifications. ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Where = "SQMI > 70" }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" + "Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += (evtsender, args) => { if (args.FeatureSet == null) { return; } _featureSet = args.FeatureSet; if (_featureSet != null && _featureSet.Features.Count > 0) { // Clear previous graphic features Layer.ClearGraphics(); for (int i = 0; i < _featureSet.Features.Count; i++) { Layer.Graphics.Add(_featureSet.Features[i]); } SetRangeValues(); // RenderButton.IsEnabled = true; } }; queryTask.ExecuteAsync(query); CreateColorList(); CreateThematicList(); }
private void LoadGraphics() { QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0"); queryTask.ExecuteCompleted += queryTask_ExecuteCompleted; Query query = new ESRI.ArcGIS.Client.Tasks.Query() { OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true, Where = "1=1" }; query.OutFields.Add("CITY_NAME"); queryTask.ExecuteAsync(query); }
private string QueryRouteNameByUserName() { string routeName = null; while (String.IsNullOrEmpty(_username)) { _loginDialog.ShowDialog(); _username = _loginDialog.UserName; } try { string accountNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentAccountFieldAlias"); string accountNameFieldName = _flRouteAssignment.FieldAliasToName(accountNameFieldAlias); QueryTask queryTask = new QueryTask(_flRouteAssignment.Url); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.Where = accountNameFieldName + "='" + _username + "'"; query.ReturnGeometry = false; query.OutFields.AddRange(new string[] { "*" }); queryTask.Execute(query); if (queryTask.LastResult.Features.Count() > 0) { string routeNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentRouteFieldAlias"); string routeNameFieldName = _flRouteAssignment.FieldAliasToName(routeNameFieldAlias); Graphic feature = queryTask.LastResult.Features.First(); if (feature.Attributes.ContainsKey(routeNameFieldName)) { routeName = feature.Attributes[routeNameFieldName].ToString(); } } } catch (Exception ex) { System.Diagnostics.Debug.WriteLine(ex.Message); } if (routeName == null) { MessageBox.Show("Please make sure '" + _username + "' is listed in the '" + _flRouteAssignment.FeatureLayer.DisplayName + "' feature service layer.", "Error retreiving the Route Name for " + _username, MessageBoxButton.OK, MessageBoxImage.Error); Application.Current.Shutdown(); } return(routeName); }
private void LoadGraphics() { QueryTask queryTask = new QueryTask("http://mapit.cloudapp.net/databases/Demo/dbo.WorldCities"); queryTask.ExecuteCompleted += queryTask_ExecuteCompleted; queryTask.DisableClientCaching = true; Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutSpatialReference = MyMap.SpatialReference; query.ReturnGeometry = true; query.Where = "1=1"; // Note, query.Text is not supported for use with Spatial Data Services query.OutFields.AddRange(new string[] { "NAME", "POPULATION" }); queryTask.ExecuteAsync(query); }
public void setsource() { try { QueryTask queryTask = new QueryTask(); queryTask.Url = url; queryTask.ExecuteCompleted += new EventHandler <QueryEventArgs>(queryTask_ExecuteCompleted); Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.ReturnGeometry = true; query.Where = filter; // query.OutFields.Add("OBJECTID"); SDE 发布的需要这条 queryTask.ExecuteAsync(query); } catch { //throw; } }
public void refreshnow() { try { QueryTask queryTask = new QueryTask(); queryTask.Url = url; queryTask.ExecuteCompleted += new EventHandler <QueryEventArgs>(queryTask_ExecuteCompleted); Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.ReturnGeometry = true; query.Where = filter; // query.OutFields.Add("OBJECTID"); queryTask.ExecuteAsync(query); } catch { //throw;//LPY 2015-8-11 11:09:45 注释掉 } }
private void LoadPointGraphics(int minLimitRange, int maxLimitRange) { QueryTask queryTask = new QueryTask("http://serverapps.esri.com/SDS/databases/Demo/dbo.USCities_Mercator"); queryTask.ExecuteCompleted += queryTaskPoint_ExecuteCompleted; queryTask.Failed += queryTask_Failed; Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutSpatialReference = MyMap.SpatialReference; query.ReturnGeometry = true; query.OutFields.AddRange(new string[] { "POP2007", "NAME" }); query.Where = string.Format("(FID >= {0}) AND (FID <= {1})", minLimitRange, maxLimitRange); queryTask.ExecuteAsync(query); }
public AttributeQuery() { InitializeComponent(); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); // Specify fields to return from initial query query.OutFields.AddRange(new string[] { "STATE_NAME" }); // This query will just populate the drop-down, so no need to return geometry query.ReturnGeometry = false; // Return all features query.Where = "1=1"; queryTask.ExecuteAsync(query, "initial"); }
private void QueryComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { if (QueryComboBox.SelectedItem.ToString().Contains("Select...")) { return; } QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutFields.Add("*"); query.ReturnGeometry = true; query.Text = QueryComboBox.SelectedItem.ToString(); query.OutSpatialReference = MyMap.SpatialReference; queryTask.ExecuteAsync(query); }
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args) { ResultsDisplay.Visibility = Visibility.Collapsed; MyDrawObject.IsEnabled = false; selectionGraphicslayer.ClearGraphics(); // Bind data grid to query results Binding resultFeaturesBinding = new Binding("LastResult.Features"); resultFeaturesBinding.Source = MyQueryTask; QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding); Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2000", "SUB_REGION" }); query.OutSpatialReference = MyMap.SpatialReference; query.Geometry = args.Geometry; query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects; query.ReturnGeometry = true; MyQueryTask.ExecuteAsync(query); }
/* ****** Identify using Query Service ****** */ private void QueryIdentifyTask_ExecuteCompleted(object sender, QueryEventArgs args) { QueryItem queryItem = args.UserState as QueryItem; if (queryItem.Index == 0) { IdentifyComboBox.Items.Clear(); _layersIdentified.Clear(); IdentifyDetailsDataGrid.ItemsSource = null; } // display search results for this layers query. if (args.FeatureSet.Features.Count > 0) { foreach (Graphic feature in args.FeatureSet.Features) { string title = queryItem.IdentifyLayerName; feature.Attributes.Remove("Shape"); feature.Attributes.Remove("OBJECTID"); _dataItems.Add(new DataItem() { Title = title, Data = feature.Attributes }); IdentifyComboBox.Items.Add(title); if (_activeIdentifyLayer == title) queryItem.ActiveLayer = _layersIdentified.Count; _layersIdentified.Add(title); } } if (queryItem.Next()) // this increments the internal index { Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects; query.Geometry = queryItem.BufferedPoint; query.OutFields.AddRange(new string[] { "*" }); QueryTask queryTask = new QueryTask(queryItem.IdentifyLayerUrl); queryTask.ExecuteCompleted += QueryIdentifyTask_ExecuteCompleted; queryTask.Failed += QueryIdentifyTask_Failed; queryTask.ExecuteAsync(query, queryItem); } else // We are done with all our queries, display the result. { IdentifyComboBox.SelectedIndex = queryItem.ActiveLayer; Visibility = System.Windows.Visibility.Visible; if ((_dataItems == null) || (_dataItems.Count == 0)) { NoResult.Visibility = Visibility.Visible; Results.Visibility = Visibility.Collapsed; } else { NoResult.Visibility = Visibility.Collapsed; Results.Visibility = Visibility.Visible; } } }
private async void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e) { try { if (_cts != null) _cts.Cancel(); _cts = new CancellationTokenSource(); Graphic clickGraphic = new Graphic(); clickGraphic.Symbol = LayoutRoot.Resources["DefaultMarkerSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol; clickGraphic.Geometry = e.MapPoint; clickGraphic.Geometry.SpatialReference = MyMap.SpatialReference; _pointAndBufferGraphicsLayer.Graphics.Clear(); _resultsGraphicsLayer.Graphics.Clear(); clickGraphic.SetZIndex(2); _pointAndBufferGraphicsLayer.Graphics.Add(clickGraphic); ESRI.ArcGIS.Client.Tasks.BufferParameters bufferParams = new ESRI.ArcGIS.Client.Tasks.BufferParameters() { BufferSpatialReference = new SpatialReference(4326), OutSpatialReference = MyMap.SpatialReference, Unit = LinearUnit.Meter, }; bufferParams.Distances.Add(100); bufferParams.Features.Add(clickGraphic); BufferResult bufferResult = await _geometryService.BufferTaskAsync(bufferParams, _cts.Token); Graphic bufferGraphic = new Graphic(); bufferGraphic.Geometry = bufferResult.Results[0].Geometry; bufferGraphic.Symbol = LayoutRoot.Resources["BufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol; bufferGraphic.SetZIndex(1); _pointAndBufferGraphicsLayer.Graphics.Add(bufferGraphic); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.ReturnGeometry = true; query.OutSpatialReference = MyMap.SpatialReference; query.Geometry = bufferGraphic.Geometry; query.OutFields.Add("OWNERNME1"); QueryResult queryResult = await _queryTask.ExecuteTaskAsync(query, _cts.Token); if (queryResult.FeatureSet.Features.Count < 1) { MessageBox.Show("No features found"); return; } foreach (Graphic selectedGraphic in queryResult.FeatureSet.Features) { selectedGraphic.Symbol = LayoutRoot.Resources["ParcelSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol; _resultsGraphicsLayer.Graphics.Add(selectedGraphic); } } catch (Exception ex) { if (ex is ServiceException) { MessageBox.Show(String.Format("{0}: {1}", (ex as ServiceException).Code.ToString(), (ex as ServiceException).Details[0]), "Error", MessageBoxButton.OK); return; } } }
private string QueryRouteNameByUserName() { string routeName = null; while (String.IsNullOrEmpty(_username)) { _loginDialog.ShowDialog(); _username = _loginDialog.UserName; } try { string accountNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentAccountFieldAlias"); string accountNameFieldName = _flRouteAssignment.FieldAliasToName(accountNameFieldAlias); QueryTask queryTask = new QueryTask(_flRouteAssignment.Url); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.Where = accountNameFieldName + "='" + _username + "'"; query.ReturnGeometry = false; query.OutFields.AddRange(new string[] { "*" }); queryTask.Execute(query); if (queryTask.LastResult.Features.Count() > 0) { string routeNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentRouteFieldAlias"); string routeNameFieldName = _flRouteAssignment.FieldAliasToName(routeNameFieldAlias); Graphic feature = queryTask.LastResult.Features.First(); if (feature.Attributes.ContainsKey(routeNameFieldName)) routeName = feature.Attributes[routeNameFieldName].ToString(); } } catch (Exception ex) { System.Diagnostics.Debug.WriteLine(ex.Message); } if (routeName == null) { MessageBox.Show("Please make sure '" + _username + "' is listed in the '" + _flRouteAssignment.FeatureLayer.DisplayName + "' feature service layer.", "Error retreiving the Route Name for " + _username, MessageBoxButton.OK, MessageBoxImage.Error); Application.Current.Shutdown(); } return routeName; }
//Query Task void QueryButton_Click(object sender, RoutedEventArgs e) { QueryTask queryTask = new QueryTask("http://maverick.arcgis.com/ArcGIS/rest/services/World_WGS84/MapServer/0"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.Text = StateNameTextBox.Text; query.OutFields.Add("*"); queryTask.ExecuteAsync(query); }
/// <summary> /// Runs a test query against the specified date field to determine the type of data source. /// </summary> private static void QueryDate(string dataSetUrl, bool useProxy, SubLayerField dateField, string dataSource, EventHandler<DataSourceEventArgs> callback) { DateTime testDate = new DateTime(1977, 12, 01, 0, 0, 0, 0); QueryTask qT = new QueryTask(dataSetUrl); if (useProxy) qT.ProxyURL = ArcGISOnlineEnvironment.ConfigurationUrls.ProxyServerEncoded; ESRI.ArcGIS.Client.Tasks.Query q = new ESRI.ArcGIS.Client.Tasks.Query(); q.OutFields.Add(dateField.Name); q.Where = dateField.Name + " = " + Format(testDate, dataSource); q.ReturnGeometry = false; EventHandler<ESRI.ArcGIS.Client.Tasks.QueryEventArgs> completedHandler = null; completedHandler = (object sender, ESRI.ArcGIS.Client.Tasks.QueryEventArgs e) => { callback(null, new DataSourceEventArgs() { DataSource = dataSource }); }; qT.ExecuteCompleted += completedHandler; //execute the query // qT.ExecuteAsync(q); }
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args) { GraphicsLayer selectionGraphicslayer = Map.Layers["MySelectionGraphicsLayer"] as GraphicsLayer; selectionGraphicslayer.ClearGraphics(); // Bind data grid to query results Binding resultFeaturesBinding = new Binding("LastResult.Features"); resultFeaturesBinding.Source = _queryTask; QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding); Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.OutFields.AddRange(new string[] { "state_name", "pop2000", "sub_region" }); query.OutSpatialReference = Map.SpatialReference; query.Geometry = args.Geometry; query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects; query.ReturnGeometry = true; _queryTask.ExecuteAsync(query); }
void MyMap_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) { if (e.PropertyName == "SpatialReference") { MyMap.PropertyChanged -= MyMap_PropertyChanged; _legendGridCollapsed = false; _classGridCollapsed = false; LegendCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; LegendExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; ClassCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; ClassExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp; // Get start value for number of classifications in XAML. _lastGeneratedClassCount = Convert.ToInt32(((ComboBoxItem)ClassCountCombo.SelectedItem).Content); // Set query where clause to include features with an area greater than 70 square miles. This // will effectively exclude the District of Columbia from attributes to avoid skewing classifications. ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Where = "SQMI > 70", OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += (evtsender, args) => { if (args.FeatureSet == null) return; _featureSet = args.FeatureSet; SetRangeValues(); RenderButton.IsEnabled = true; }; queryTask.ExecuteAsync(query); CreateColorList(); CreateThematicList(); } }
/// <summary> /// Initializes the Data tab with a sample view of attributes of the layer. /// </summary> private void SetupPreview() { if (FeatureLayer == null) return; QueryTask qT = new QueryTask(FeatureLayer.Url); qT.ProxyURL = FeatureLayer.ProxyUrl; ESRI.ArcGIS.Client.Tasks.Query q = new ESRI.ArcGIS.Client.Tasks.Query(); foreach (var field in QueryProperties.SubLayerDescription.Fields) q.OutFields.Add(field.Name); q.Where = "1=1"; //query for features in the layer, todo: any way to limit the number of features returned? q.ReturnGeometry = false; EventHandler<ESRI.ArcGIS.Client.Tasks.QueryEventArgs> completedHandler = null; EventHandler<TaskFailedEventArgs> failedHandler = null; completedHandler = (object sender, ESRI.ArcGIS.Client.Tasks.QueryEventArgs e) => { PreviewDataGrid.Columns.Clear(); if (e.FeatureSet == null || e.FeatureSet.Features == null || e.FeatureSet.Features.Count == 0) return; //set up the columns of the table //if a field does not exist in the layer description don't add it to the table //this is the case for the geometry field // List<string> columns = new List<string>(); foreach (string key in e.FeatureSet.Features[0].Attributes.Keys) if (GetField(key) != null) columns.Add(key); int count = 0; Table table = new Table(columns.ToArray()); foreach (Graphic feature in e.FeatureSet) { List<object> cells = new List<object>(); foreach (var attribute in feature.Attributes) { SubLayerField field = GetField(attribute.Key); if (field == null) continue; if (field.AttributeDomain != null && field.AttributeDomain.Type == "codedValue" && attribute.Value != null) cells.Add(field.AttributeDomain[attribute.Value]); else { //if the field value is a date in milliseconds format it to a user readable date // string formattedDateString = null; if (field.Type == "esriFieldTypeDate" && attribute.Value != null && attribute.Value.ToString().TryParseToDateString(out formattedDateString)) cells.Add(formattedDateString); else cells.Add(attribute.Value); } } table.Rows.Add(new Row(cells.ToArray())); count++; if (count == 25) break; } //initialize the DataGrid columns // foreach (DataGridTextColumn column in table.Columns) { column.CanUserSort = true; PreviewDataGrid.Columns.Add(column); } //setting the table as the DataContext of the DataGrid initializes the rows via binding // PreviewDataGrid.DataContext = table; PreviewDataGrid.UpdateLayout(); if (table.Rows.Count > 0 && PreviewDataGrid.Columns.Count > 0) PreviewDataGrid.ScrollIntoView(table.Rows[0].Cells[0], PreviewDataGrid.Columns[0]); DataPreviewProgressIndicator.Visibility = Visibility.Collapsed; }; failedHandler = ((object sender, TaskFailedEventArgs e) => { FailedPreviewTextBlock.Visibility = Visibility.Visible; DataPreviewProgressIndicator.Visibility = Visibility.Collapsed; }); qT.ExecuteCompleted += completedHandler; qT.Failed += failedHandler; //execute the query // qT.ExecuteAsync(q); }
private void LoadGraphics() { // Set query where clause to include features with an area greater than 70 square miles. This // will effectively exclude the District of Columbia from attributes to avoid skewing classifications. ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Where = "SQMI > 70", ReturnGeometry = true, OutSpatialReference = MyMap.SpatialReference }; query.OutFields.Add("*"); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" + "Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += (evtsender, args) => { if (args.FeatureSet == null) return; _featureSet = args.FeatureSet; SetRangeValues(); RenderButton.IsEnabled = true; }; queryTask.ExecuteAsync(query); CreateColorList(); CreateThematicList(); }
private Graphic QueryRouteFeatureByName(String routeName) { LookupFieldNames(); if (_routesRouteNameFieldName == null) return null; // TODO: get the feature directly from the feature layer instead of querying for it QueryTask queryTask = new QueryTask(_flRoutes.Url); ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.Where = (_routesRouteNameFieldName + "='" + routeName + "'"); query.ReturnGeometry = true; query.OutFields.AddRange(new string[] { "*" }); queryTask.Execute(query); if (queryTask.LastResult.Features.Count() > 0) return queryTask.LastResult.Features.First(); else return null; }
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e) { MyInfoWindow.IsOpen = false; double mapScale = MyMap.Scale; ArcGISDynamicMapServiceLayer alayer = null; DataTemplate dt = null; int layid = 0; foreach (Layer layer in MyMap.Layers) { if (layer.GetValue(Document.PopupTemplatesProperty) != null) { alayer = layer as ArcGISDynamicMapServiceLayer; IDictionary<int, DataTemplate> idict = layer.GetValue(Document.PopupTemplatesProperty) as IDictionary<int, DataTemplate>; foreach (LayerInfo linfo in alayer.Layers) { if (((mapScale > linfo.MaxScale // in scale range && mapScale < linfo.MinScale) || (linfo.MaxScale == 0.0 // no scale dependency && linfo.MinScale == 0.0) || (mapScale > linfo.MaxScale // minscale = 0.0 = infinity && linfo.MinScale == 0.0)) && idict.ContainsKey(linfo.ID)) // id present in dictionary { layid = linfo.ID; dt = idict[linfo.ID]; break; } } } } if (dt != null) { QueryTask qt = new QueryTask(string.Format("{0}/{1}", alayer.Url, layid)); qt.ExecuteCompleted += (s, qe) => { if (qe.FeatureSet.Features.Count > 0) { Graphic g = qe.FeatureSet.Features[0]; MyInfoWindow.Anchor = e.MapPoint; MyInfoWindow.ContentTemplate = dt; MyInfoWindow.Content = g.Attributes; MyInfoWindow.IsOpen = true; } }; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query(); double contractRatio = MyMap.Extent.Width / 20; Envelope inputEnvelope = new Envelope(e.MapPoint.X - contractRatio, e.MapPoint.Y - contractRatio, e.MapPoint.X + contractRatio, e.MapPoint.Y + contractRatio); inputEnvelope.SpatialReference = MyMap.SpatialReference; query.Geometry = inputEnvelope; query.OutSpatialReference = MyMap.SpatialReference; query.OutFields.Add("*"); qt.ExecuteAsync(query); } }
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args) { selectionGraphicsLayer.ClearGraphics(); QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"); queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted; queryTask.Failed += QueryTask_Failed; Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = args.Geometry, OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true }; // Specify fields to return from query query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2000", "POP2007" }); queryTask.ExecuteAsync(query); }
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e) { GraphicsLayer glayer = MyMap.Layers["MySelectionGraphicsLayer"] as GraphicsLayer; glayer.Graphics.Clear(); MyInfoWindow.IsOpen = false; double mapScale = MyMap.Scale; ArcGISTiledMapServiceLayer alayer = null; DataTemplate dt = null; int layid = 0; foreach (Layer layer in MyMap.Layers) { if (layer.GetValue(Document.PopupTemplatesProperty) != null) { alayer = layer as ArcGISTiledMapServiceLayer; IDictionary<int, DataTemplate> idict = layer.GetValue(Document.PopupTemplatesProperty) as IDictionary<int, DataTemplate>; foreach (LayerInfo linfo in alayer.Layers) { if (((mapScale > linfo.MaxScale // in scale range && mapScale < linfo.MinScale) || (linfo.MaxScale == 0.0 // no scale dependency && linfo.MinScale == 0.0) || (mapScale > linfo.MaxScale // minscale = 0.0 = infinity && linfo.MinScale == 0.0)) && idict.ContainsKey(linfo.ID)) // id present in dictionary { layid = linfo.ID; dt = idict[linfo.ID]; break; } } } } if (dt != null) { QueryTask qt = new QueryTask(string.Format("{0}/{1}", alayer.Url, layid)); qt.ExecuteCompleted += (s, qe) => { if (qe.FeatureSet.Features.Count > 0) { Graphic g = qe.FeatureSet.Features[0]; MyInfoWindow.Anchor = e.MapPoint; MyInfoWindow.ContentTemplate = dt; MyInfoWindow.Content = g.Attributes; MyInfoWindow.IsOpen = true; SolidColorBrush symbolColor = new SolidColorBrush(Colors.Cyan); if (g.Geometry is Polygon || g.Geometry is Envelope) { g.Symbol = new SimpleFillSymbol() { BorderBrush = symbolColor, BorderThickness = 2 }; } else if (g.Geometry is Polyline) { g.Symbol = new SimpleLineSymbol() { Color = symbolColor }; } else // Point { g.Symbol = new SimpleMarkerSymbol() { Color = symbolColor, Size = 12 }; } glayer.Graphics.Add(g); } }; ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query() { Geometry = e.MapPoint, OutSpatialReference = MyMap.SpatialReference, ReturnGeometry = true }; query.OutFields.Add("*"); qt.ExecuteAsync(query); } }
void GeometryService_IdentifyPointBufferCompleted(object sender, GraphicsEventArgs args) { QueryItem queryItem = args.UserState as QueryItem; queryItem.BufferedPoint = args.Results[0].Geometry; // We now have a result for out buffered start point. // Issue a query to each identify layer. Query query = new ESRI.ArcGIS.Client.Tasks.Query(); query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects; query.Geometry = queryItem.BufferedPoint; query.OutFields.AddRange(new string[] { "*" }); QueryTask queryTask = new QueryTask(queryItem.IdentifyLayerUrl); queryTask.ExecuteCompleted += QueryIdentifyTask_ExecuteCompleted; queryTask.Failed += QueryIdentifyTask_Failed; queryTask.ExecuteAsync(query, queryItem); }