public void SetInitialExtent()
{
// Set the initial extent.
Esri.ArcGISRuntime.Geometry.SpatialReference sr = Esri.ArcGISRuntime.Geometry.SpatialReferences.Wgs84;
Esri.ArcGISRuntime.Geometry.Envelope envelope = new Esri.ArcGISRuntime.Geometry.Envelope(10, 40, 14, 43, sr);
this.mapView.Map.InitialViewpoint = new Esri.ArcGISRuntime.Controls.Viewpoint(envelope);
}
/// <summary>
/// Erzeugt eine neue Instanz und verwendet den angegebenen Endpunkt.
/// </summary>
/// <param name="url">der Endpunkt eines Dienstes</param>
/// <param name="mapSpatialReference">der Raumbezug der Karte</param>
public TrafficLayer(string url, Esri.ArcGISRuntime.Geometry.SpatialReference mapSpatialReference)
{
// TODO: Dispose des Dienstes implementieren
_service = new TrafficService();
_url = url;
_mapSpatialReference = mapSpatialReference;
Overlay = CreateOverlay();
AreaOfInterest = new EnvelopeBuilder(mapSpatialReference).ToGeometry();
}
private static MapPoint CreatePoint(double[] coordinates, Esri.ArcGISRuntime.Geometry.SpatialReference spatialReference)
{
if (coordinates.Length < 1)
{
return(new MapPoint(double.NaN, double.NaN));
}
return(new MapPoint(coordinates[0], coordinates[1], spatialReference));
}
public async void GetAddressTest()
{
try
{
var mapPoint = await MyMapView.Editor.RequestPointAsync();
var geoSpatialRef = new Esri.ArcGISRuntime.Geometry.SpatialReference(4326);
var spatialRef = new Esri.ArcGISRuntime.Geometry.SpatialReference(102100);
//spatialRef.Wkt = "PROJCS[\"WGS_1984_Web_Mercator_Auxiliary_Sphere\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Mercator_Auxiliary_Sphere\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",0.0],PARAMETER[\"Auxiliary_Sphere_Type\",0.0],UNIT[\"Meter\",1.0]]";
//var mapPoint = new Esri.ArcGISRuntime.Geometry.MapPoint(this.mapPoint.X, this.mapPoint.Y, spatialRef);
var mapPointGeo = Esri.ArcGISRuntime.Geometry.GeometryEngine.Project(mapPoint, geoSpatialRef) as Esri.ArcGISRuntime.Geometry.MapPoint;
var uri = new Uri("http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer");
var token = String.Empty;
var locator = new Esri.ArcGISRuntime.Tasks.Geocoding.OnlineLocatorTask(uri, token);
var addressInfo = await locator.ReverseGeocodeAsync(mapPointGeo, 100, new System.Threading.CancellationToken());
}
catch (Exception e)
{
MessageBox.Show("Error: " + e.Message, "Error");
}
}
public Graphic MakeMapPointGraphic2(double X, double Y, int SR, int anAttributeValue1, string anAttributeValue2)
{
// This function constructs a new Graphic using:
// (1) coordinate pairs (X, Y)
// (2) a SpatialReference.WKID (SR)
// (3) some Attribute values (anAttributeValue, anAttributeValue2)
// Create a SpatialReference for the Graphic.
Esri.ArcGISRuntime.Geometry.SpatialReference aSpatialReference = new Esri.ArcGISRuntime.Geometry.SpatialReference(SR);
// Create a MapPoint object and set its SpatialReference and coordinate (X,Y) information.
Esri.ArcGISRuntime.Geometry.MapPoint aMapPoint = new Esri.ArcGISRuntime.Geometry.MapPoint(X, Y, aSpatialReference);
// Create a new instance of one Graphic and assign its Geometry.
Graphic aGraphic = new Graphic();
aGraphic.Geometry = (Esri.ArcGISRuntime.Geometry.Geometry)aMapPoint;
// Create a new instance of a SimpleMarkerSymbol and set its Color, Style, and Size Properties.
SimpleMarkerSymbol aSimpleMarkerySymbol = new SimpleMarkerSymbol();
aSimpleMarkerySymbol.Color = Colors.Red;
aSimpleMarkerySymbol.Style = SimpleMarkerStyle.Circle;
aSimpleMarkerySymbol.Size = 20;
aGraphic.Symbol = (Symbol)aSimpleMarkerySymbol;
// Add some Attributes to the Graphic.
aGraphic.Attributes.Add("Temperature", anAttributeValue1);
aGraphic.Attributes.Add("Location", anAttributeValue2);
// Dynamically wire-up the MouseRightButtonDown Event handler.
// Return the created Graphic.
return(aGraphic);
}
/// <summary>
/// Will calculate a
/// </summary>
/// <param name="inX"></param>
/// <param name="inY"></param>
/// <returns></returns>
public MapPoint CalculateGeographicCoordinate(int easting, int northing, SpatialReference inSR, SpatialReference outSR)
{
//Variables
MapPoint geoPoint = new MapPoint(0, 0, outSR);
//Transform
if (easting != 0.0 && northing != 0.0)
{
if (outSR != null)
{
DatumTransformation datumTransfo = null;
if ((outSR.Wkid > 26900 && outSR.Wkid < 27000))
{
outSR = new Esri.ArcGISRuntime.Geometry.SpatialReference(4617);
}
else
{
datumTransfo = TransformationCatalog.GetTransformation(inSR, outSR);
}
MapPoint proPoint = new MapPoint(easting, northing, inSR);
//Validate if transformation is needed.
if (datumTransfo != null)
{
geoPoint = (MapPoint)Esri.ArcGISRuntime.Geometry.GeometryEngine.Project(proPoint, outSR, datumTransfo);
}
else
{
geoPoint = (MapPoint)Esri.ArcGISRuntime.Geometry.GeometryEngine.Project(proPoint, outSR);
}
}
}
return(geoPoint);
}
/// <summary>
/// Will convert a given set of projected coordinates into geographic ones.
/// </summary>
public async void DisplayGeoCoordinatesAsync()
{
//XY
int x_value = 0;
int y_value = 0;
if (_locationEasting != string.Empty)
{
x_value = int.Parse(_locationEasting);
}
if (_locationNorthing != string.Empty)
{
y_value = int.Parse(_locationNorthing);
}
//Transform
if (x_value != 0.0 && y_value != 0.0)
{
//Bad system
bool isSystemValid = false;
if (_selectedLocationDatums != null)
{
//Detect a projected system
int selectedEPGS = 0;
int.TryParse(_selectedLocationDatums, out selectedEPGS);
if (selectedEPGS > 10000)
{
//Detect Datum difference
SpatialReference inSR = new Esri.ArcGISRuntime.Geometry.SpatialReference(selectedEPGS);
SpatialReference outSR = SpatialReferences.Wgs84; //Default
if ((selectedEPGS > 26900 && selectedEPGS < 27000) || selectedEPGS == 4617)
{
outSR = new Esri.ArcGISRuntime.Geometry.SpatialReference(4617);
}
//Get geographic point
MapPoint geoPoint = CalculateGeographicCoordinate(x_value, y_value, inSR, outSR);
double y = geoPoint.Y;
double x = geoPoint.X;
_locationLatitude = y.ToString();
_locationLongitude = x.ToString();
isSystemValid = true;
}
}
if (!isSystemValid && _selectedLocationDatums != null && _selectedLocationDatums != string.Empty)
{
//Show warning to select something
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.High, async() =>
{
ContentDialog defaultEventLocationDialog = new ContentDialog()
{
Title = local.GetString("LocationDialogDatumTitle"),
Content = local.GetString("LocationDialogDatumContent"),
CloseButtonText = local.GetString("GenericDialog_ButtonOK")
};
defaultEventLocationDialog.Style = (Style)Application.Current.Resources["WarningDialog"];
await Services.ContentDialogMaker.CreateContentDialogAsync(defaultEventLocationDialog, true);
}).AsTask();
}
}
else
{
_locationLongitude = x_value.ToString();
_locationLatitude = y_value.ToString();
}
RaisePropertyChanged("LocationLatitude");
RaisePropertyChanged("LocationLongitude");
}
/// <summary>
/// On save event
/// </summary>
public async void SaveDialogInfoAsync()
{
//Parse coordinate pairs
double _long = 0.0;
double _lat = 0.0;
int _easting = 0;
int _northing = 0;
double.TryParse(_locationLongitude, out _long);
double.TryParse(_locationLatitude, out _lat);
int.TryParse(_locationEasting, out _easting);
int.TryParse(_locationNorthing, out _northing);
//Detect a projected system
int selectedEPGS = 0;
int.TryParse(SelectedLocationDatums.ToString(), out selectedEPGS);
//Make sure that everything has been filled
if ((_long == 0 || _lat == 0) && (_easting != 0 || _northing != 0))
{
//Detect Datum difference
SpatialReference inSR = new Esri.ArcGISRuntime.Geometry.SpatialReference(selectedEPGS);
SpatialReference outSR = SpatialReferences.Wgs84; //Default
if ((selectedEPGS > 26900 && selectedEPGS < 27000) || selectedEPGS == 4617)
{
outSR = new Esri.ArcGISRuntime.Geometry.SpatialReference(4617);
}
MapPoint geoSave = CalculateGeographicCoordinate(_easting, _northing, inSR, outSR);
if (geoSave != null)
{
LocationLongitude = geoSave.X.ToString();
LocationLatitude = geoSave.Y.ToString();
RaisePropertyChanged("LocationLongitude");
RaisePropertyChanged("LocationLatitude");
}
}
//Get current class information and add to model
locationModel.LocationID = LocationID; //Prime key
locationModel.LocationAlias = LocationAlias;
locationModel.LocationLat = _lat;
locationModel.LocationLong = _long;
locationModel.LocationElev = Double.Parse(LocationElevation);
locationModel.MetaID = localSetting.GetSettingValue(Dictionaries.DatabaseLiterals.FieldUserInfoID).ToString(); //Foreign key
locationModel.LocationNotes = LocationNotes;
locationModel.LocationEasting = _easting;
locationModel.LocationNorthing = _northing;
if (SelectedLocationDatums != null)
{
locationModel.LocationDatum = SelectedLocationDatums;
}
if (entryType != null)
{
locationModel.LocationEntryType = entryType;
}
//Save model class
accessData.SaveFromSQLTableObject(locationModel, doLocationUpdate);
//Launch an event call for everyone that an earthmat has been edited.
if (newLocationEdit != null)
{
newLocationEdit(this);
}
}
private static Graphic CreateRoadGraphic(GeoJsonFeature <GeoJsonPolygon> roadFeature, Esri.ArcGISRuntime.Geometry.SpatialReference originalSpatialReference, Esri.ArcGISRuntime.Geometry.SpatialReference targetSpatialReference)
{
var roadPolyline = CreatePolyline(roadFeature.Geometry.Coordinates, originalSpatialReference);
if (!originalSpatialReference.IsEqual(targetSpatialReference))
{
// In den Raumbezug der Karte projezieren
roadPolyline = (Esri.ArcGISRuntime.Geometry.Polyline)GeometryEngine.Project(roadPolyline, targetSpatialReference);
}
var roadGraphic = new Graphic(roadPolyline, roadFeature.Properties);
return(roadGraphic);
}
private static Esri.ArcGISRuntime.Geometry.Polyline CreatePolyline(PointCollectionList parts, Esri.ArcGISRuntime.Geometry.SpatialReference spatialReference)
{
var builder = new PolylineBuilder(spatialReference);
foreach (var part in parts)
{
var roadPart = new Part(spatialReference);
foreach (var vertex in part)
{
var point = CreatePoint(vertex, spatialReference);
if (!point.IsEmpty)
{
roadPart.AddPoint(point);
}
}
builder.AddPart(roadPart);
}
return(builder.ToGeometry());
}
