void locator_FindCompleted(object sender, LocatorFindEventArgs e)
{
GraphicsLayer graphicsLayer = (MyMap.Layers["MyRouteGraphicsLayer"] as GraphicsLayer);
if (e.Result != null)
{
LocatorFindResult findResult = e.Result;
Graphic graphicLocation = findResult.Locations[0].Graphic;
graphicLocation.Geometry.SpatialReference = MyMap.SpatialReference;
graphicLocation.Attributes.Add("name", findResult.Locations[0].Name);
_stops.Add(graphicLocation);
if ((string)e.UserState == "from")
{
graphicLocation.Symbol = LayoutRoot.Resources["FromSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
//Geocode to address
_locator.FindAsync(ParseSearchText(ToTextBox.Text), "to");
}
else
{
graphicLocation.Symbol = LayoutRoot.Resources["ToSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
//Get route between from and to
_routeParams.OutSpatialReference = MyMap.SpatialReference;
_routeTask.SolveAsync(_routeParams);
}
graphicsLayer.Graphics.Add(graphicLocation);
}
}
private async void geocoording_Click(object sender, RoutedEventArgs e)
{
//マップが準備できていなければ処理を行わない
if (!isMapReady)
{
return;
}
//住所検索用のパラメータを作成
OnlineLocatorFindParameters parameters = new OnlineLocatorFindParameters(addressTextBox.Text)
{
MaxLocations = 5,
OutSpatialReference = SpatialReferences.WebMercator,
OutFields = OutFields.All
};
try
{
//住所の検索
IList <LocatorFindResult> resultCandidates = await onlineLocatorTask.FindAsync(parameters, CancellationToken.None);
//住所検索結果に対する処理（1つ以上候補が返されていれば処理を実行）
if (resultCandidates != null && resultCandidates.Count > 0)
{
//現在の結果を消去
geocodeResultGraphicsOverlay.Graphics.Clear();
//常に最初の候補を採用
LocatorFindResult candidate = resultCandidates.FirstOrDefault();
//最初の候補からグラフィックを作成
Graphic locatedPoint = new Graphic()
{
Geometry = candidate.Feature.Geometry,
};
//住所検索結果表示用のグラフィックスオーバーレイにグラフィックを追加
geocodeResultGraphicsOverlay.Graphics.Add(locatedPoint);
//追加したグラフィックの周辺に地図を拡大
await MyMapView.SetViewAsync((MapPoint)locatedPoint.Geometry, 36112);
}
//候補が一つも見つからない場合の処理
else
{
MessageBox.Show("住所検索：該当する場所がみつかりません。");
}
}
//エラーが発生した場合の処理
catch (Exception ex)
{
MessageBox.Show(string.Format("住所検索：{0}", ex.Message));
}
}
private void AddGraphicFromLocatorCandidate(LocatorFindResult candidate)
{
var location = GeometryEngine.Project(candidate.Feature.Geometry, SpatialReferences.Wgs84) as MapPoint;
var graphic = new Graphic(location);
graphic.Attributes["Name"] = candidate.Name;
graphic.Attributes["Address"] = candidate.Feature.Attributes["Place_addr"];
graphic.Attributes["LocationDisplay"] = string.Format("{0:0.000}, {1:0.000}", location.X, location.Y);
_addressOverlay.Graphics.Add(graphic);
}
private void FindButton_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(SearchTextBox.Text))
{
return;
}
// Clear existing graphics for a new search
FindResultLocationsGraphicsLayer.Graphics.Clear();
MyLocationGraphicsLayer.Graphics.Clear();
MyRoutesGraphicsLayer.Graphics.Clear();
// Initialize the LocatorTask with the Esri World Geocoding Service
var locatorTask = new Locator("http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer");
// In this sample, the center of the map is used as the location from which results will be ranked and distance calculated.
// The distance from the location is optional. Specifies the radius of an area around a point location which is used to boost
// the rank of geocoding candidates so that candidates closest to the location are returned first. The distance value is in meters.
LocatorFindParameters locatorFindParams = new LocatorFindParameters()
{
Text = SearchTextBox.Text,
Location = MyMap.Extent.GetCenter(),
Distance = MyMap.Extent.Width / 2,
MaxLocations = 5,
OutSpatialReference = MyMap.SpatialReference,
SearchExtent = MyMap.Extent
};
locatorFindParams.OutFields.AddRange(new string[] { "PlaceName", "City", "Region", "Country", "Score", "Distance", "Type" });
locatorTask.FindCompleted += (s, ee) =>
{
// When a Find operation is initiated, get the find results and add to a graphics layer for display in the map
LocatorFindResult locatorFindResult = ee.Result;
foreach (Location location in locatorFindResult.Locations)
{
// Make sure results have the right spatial reference
location.Graphic.Geometry.SpatialReference = MyMap.SpatialReference;
FindResultLocationsGraphicsLayer.Graphics.Add(location.Graphic);
}
};
locatorTask.Failed += (s, ee) =>
{
MessageBox.Show("Locator service failed: " + ee.Error);
};
locatorTask.FindAsync(locatorFindParams);
}
private string GetAttributes(LocatorFindResult result)
{
if (result == null || !result.Feature.Attributes.Any())
return "";
var v = result.Feature.Attributes;
// use the result "name" if the PlaceName attribute is empty.
// Reason: when searching for exact addresses and street intersections the attribute fields might
// be empty; in particular we don't want to show an empty PlaceName.
var placeName = (string)v["PlaceName"];
if (string.IsNullOrEmpty(placeName))
return Result.Name;
// use the Placename, Type, City, and Country
var s = string.Format("{0}{1}{2}{3}",
placeName,
string.IsNullOrEmpty((string)v["Type"]) ? "" : ", " + ((string)v["Type"]),
string.IsNullOrEmpty((string)v["City"]) ? "" : ", " + ((string)v["City"]),
string.IsNullOrEmpty((string)v["Country"]) ? "" : ", " + ((string)v["Country"]));
return s;
}
public WorldGeocoding()
{
InitializeComponent();
// Initialize Locator with ArcGIS Online World Geocoding Service. See http://geocode.arcgis.com for details and doc.
_locatorTask = new Locator("http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer");
_locatorTask.FindCompleted += (s, a) =>
{
// When a Find operation is initiated, get the find results and add to a graphics layer for display in the map
LocatorFindResult locatorFindResult = a.Result;
foreach (Location location in locatorFindResult.Locations)
{
FindResultLocationsGraphicsLayer.Graphics.Add(location.Graphic);
}
};
_locatorTask.Failed += (s, e) =>
{
MessageBox.Show("Locator service failed: " + e.Error);
};
FindResultLocationsGraphicsLayer = MyMap.Layers["FindResultLocationsGraphicsLayer"] as GraphicsLayer;
}
private void AddGraphicFromLocatorCandidate(LocatorFindResult candidate)
{
var location = GeometryEngine.Project(candidate.Feature.Geometry, SpatialReferences.Wgs84) as MapPoint;
var graphic = new Graphic(location);
graphic.Attributes["Name"] = candidate.Name;
graphic.Attributes["Address"] = candidate.Feature.Attributes["Place_addr"];
graphic.Attributes["LocationDisplay"] = string.Format("{0:0.000}, {1:0.000}", location.X, location.Y);
_addressOverlay.Graphics.Add(graphic);
}
internal Location(int index, LocatorFindResult result)
{
Index = index;
Result = result;
}
internal Location(int index, LocatorFindResult result)
{
Index = index;
Result = result;
}