// REWORK ALL THIS LOGIC
private void doFrameInterloper(double elapsedSeconds)
{
double interloperSpeed = viewModel.InterloperSpeed / 3.6;
lock (interloperLayer.DataLock)
{
foreach (Interloper interloper in interloperLayer.Elements)
{
MapPoint newPos = interloper.UpdateUiPosition(interloperSpeed, elapsedSeconds);
Sensor nearestSensor = sensorLayer.GetNearestTo(newPos);
if (nearestSensor == null)
{
continue;
}
if (GeometryEngine.Within(newPos, nearestSensor.RangeGraphic.Geometry) == true)
{
handleAlarm(nearestSensor);
interloper.Graphic.IsVisible = true;
}
else
{
interloper.Graphic.IsVisible = (interloperLayer.ShowOnlyWithinSensorRange == false);
}
}
}
}
// Accepts two user shapes and adds them to the graphics layer
private async Task AcceptShapeAsync()
{
// Shape One
Geometry shapeOne = await mapView.Editor.RequestShapeAsync(
(DrawShape)comboShapeOne.SelectedValue, _symbols[comboShapeOne.SelectedIndex]);
_graphicsLayer.Graphics.Add(new Graphic(shapeOne, _symbols[comboShapeOne.SelectedIndex]));
// Shape Two
Geometry shapeTwo = await mapView.Editor.RequestShapeAsync(
(DrawShape)comboShapeTwo.SelectedValue, _symbols[comboShapeTwo.SelectedIndex]);
_graphicsLayer.Graphics.Add(new Graphic(shapeTwo, _symbols[comboShapeTwo.SelectedIndex]));
var relations = new List <Tuple <string, bool> >();
relations.Add(new Tuple <string, bool>("Contains", GeometryEngine.Contains(shapeOne, shapeTwo)));
relations.Add(new Tuple <string, bool>("Crosses", GeometryEngine.Crosses(shapeOne, shapeTwo)));
relations.Add(new Tuple <string, bool>("Disjoint", GeometryEngine.Disjoint(shapeOne, shapeTwo)));
relations.Add(new Tuple <string, bool>("Equals", GeometryEngine.Equals(shapeOne, shapeTwo)));
relations.Add(new Tuple <string, bool>("Intersects", GeometryEngine.Intersects(shapeOne, shapeTwo)));
relations.Add(new Tuple <string, bool>("Overlaps", GeometryEngine.Overlaps(shapeOne, shapeTwo)));
relations.Add(new Tuple <string, bool>("Touches", GeometryEngine.Touches(shapeOne, shapeTwo)));
relations.Add(new Tuple <string, bool>("Within", GeometryEngine.Within(shapeOne, shapeTwo)));
resultsListView.ItemsSource = relations;
resultsPanel.Visibility = Visibility.Visible;
}
// Cuts feature geometries with a user defined cut polyline.
private async void CutButton_Click(object sender, RoutedEventArgs e)
{
try
{
resultGraphics.Graphics.Clear();
// wait for user to draw cut line
var cutLine = await mapView.Editor.RequestShapeAsync(DrawShape.Polyline, _cutLineSymbol) as Polyline;
// get intersecting features from the feature layer
SpatialQueryFilter filter = new SpatialQueryFilter();
filter.Geometry = GeometryEngine.Project(cutLine, _statesLayer.FeatureTable.SpatialReference);
filter.SpatialRelationship = SpatialRelationship.Crosses;
filter.MaximumRows = 52;
var stateFeatures = await _statesLayer.FeatureTable.QueryAsync(filter);
// Cut the feature geometries and add to graphics layer
var states = stateFeatures.Select(feature => feature.Geometry);
var cutGraphics = states
.Where(geo => !GeometryEngine.Within(cutLine, geo))
.SelectMany(state => GeometryEngine.Cut(state, cutLine))
.Select(geo => new Graphic(geo, _cutFillSymbol));
resultGraphics.Graphics.AddRange(cutGraphics);
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
MessageBox.Show("Cut Error: " + ex.Message, "Cut Geometry");
}
}
/// <summary>
/// Returns a list of spatial relationships between two geometries
/// </summary>
/// <param name="a">The 'a' in "a contains b"</param>
/// <param name="b">The 'b' in "a contains b"</param>
/// <returns>A list of spatial relationships that are true for a and b.</returns>
private static List <SpatialRelationship> GetSpatialRelationships(Geometry a, Geometry b)
{
List <SpatialRelationship> relationships = new List <SpatialRelationship>();
if (GeometryEngine.Crosses(a, b))
{
relationships.Add(SpatialRelationship.Crosses);
}
if (GeometryEngine.Contains(a, b))
{
relationships.Add(SpatialRelationship.Contains);
}
if (GeometryEngine.Disjoint(a, b))
{
relationships.Add(SpatialRelationship.Disjoint);
}
if (GeometryEngine.Intersects(a, b))
{
relationships.Add(SpatialRelationship.Intersects);
}
if (GeometryEngine.Overlaps(a, b))
{
relationships.Add(SpatialRelationship.Overlaps);
}
if (GeometryEngine.Touches(a, b))
{
relationships.Add(SpatialRelationship.Touches);
}
if (GeometryEngine.Within(a, b))
{
relationships.Add(SpatialRelationship.Within);
}
return(relationships);
}
/// <summary>
/// The methods retrieves the outer ring(s) of the input polygon.
/// This method must be called on the MCT. Use QueuedTask.Run.
/// </summary>
/// <param name="inputPolygon">Input Polygon.</param>
/// <returns>The outer most (exterior, clockwise) ring(s) of the polygon. If the input is null or empty, a null pointer is returned.</returns>
/// <remarks>This method must be called on the MCT. Use QueuedTask.Run.</remarks>
public Polygon GetOutermostRings(Polygon inputPolygon)
{
if (inputPolygon == null || inputPolygon.IsEmpty)
{
return(null);
}
PolygonBuilder outerRings = new PolygonBuilder();
List <Polygon> internalRings = new List <Polygon>();
// explode the parts of the polygon into a list of individual geometries
var parts = MultipartToSinglePart(inputPolygon);
// get an enumeration of clockwise geometries (area > 0) ordered by the area
var clockwiseParts = parts.Where(geom => ((Polygon)geom).Area > 0).OrderByDescending(geom => ((Polygon)geom).Area);
// for each of the exterior rings
foreach (var part in clockwiseParts)
{
// add the first (the largest) ring into the internal collection
if (internalRings.Count == 0)
{
internalRings.Add(part as Polygon);
}
// use flag to indicate if current part is within the already selection polygons
bool isWithin = false;
foreach (var item in internalRings)
{
if (GeometryEngine.Within(part, item))
{
isWithin = true;
}
}
// if the current polygon is not within any polygon of the internal collection
// then it is disjoint and needs to be added to
if (isWithin == false)
{
internalRings.Add(part as Polygon);
}
}
// now assemble a new polygon geometry based on the internal polygon collection
foreach (var ring in internalRings)
{
outerRings.AddParts(ring.Parts);
}
// return the final geometry of the outer rings
return(outerRings.ToGeometry());
}
// Accepts two user shapes and adds them to the graphics layer
private async Task AcceptShapeAsync()
{
// Shape One
DrawShape drawShape1 = (DrawShape)comboShapeOne.SelectedItem;
Geometry shapeOne = null;
if (drawShape1 == DrawShape.Point)
{
shapeOne = await mapView.Editor.RequestPointAsync();
}
else
{
shapeOne = await mapView.Editor.RequestShapeAsync(drawShape1, _symbols[comboShapeOne.SelectedIndex]);
}
graphicsLayer.Graphics.Add(new Graphic(shapeOne, _symbols[comboShapeOne.SelectedIndex]));
// Shape Two
Geometry shapeTwo = await mapView.Editor.RequestShapeAsync(
(DrawShape)comboShapeTwo.SelectedItem, _symbols[comboShapeTwo.SelectedIndex]);
graphicsLayer.Graphics.Add(new Graphic(shapeTwo, _symbols[comboShapeTwo.SelectedIndex]));
Dictionary <string, bool> relations = new Dictionary <string, bool>();
relations["Contains"] = GeometryEngine.Contains(shapeOne, shapeTwo);
relations["Crosses"] = GeometryEngine.Crosses(shapeOne, shapeTwo);
relations["Disjoint"] = GeometryEngine.Disjoint(shapeOne, shapeTwo);
relations["Equals"] = GeometryEngine.Equals(shapeOne, shapeTwo);
relations["Intersects"] = GeometryEngine.Intersects(shapeOne, shapeTwo);
relations["Overlaps"] = GeometryEngine.Overlaps(shapeOne, shapeTwo);
relations["Touches"] = GeometryEngine.Touches(shapeOne, shapeTwo);
relations["Within"] = GeometryEngine.Within(shapeOne, shapeTwo);
resultsPanel.Visibility = Visibility.Visible;
resultsListView.ItemsSource = relations;
}
//SFS requires polygons to be ordered by outer and inner rings. Analyze multi polygons and split in individual polygons with one outer ring and internal rings
internal static IEnumerable <Tuple <ReadOnlyPart, IList <ReadOnlyPart> > > SplitMultiPolygon(Polygon p)
{
List <Tuple <ReadOnlyPart, IList <ReadOnlyPart> > > outerRings =
new List <Tuple <ReadOnlyPart, IList <ReadOnlyPart> > >();
List <ReadOnlyPart> innerRings = new List <ReadOnlyPart>();
foreach (var ring in p.Parts)
{
if (!IsCcw(ring.Points))
{
outerRings.Add(new Tuple <ReadOnlyPart, IList <ReadOnlyPart> >(ring, new List <ReadOnlyPart>()));
}
else
{
innerRings.Add(ring);
}
}
foreach (var ring in innerRings)
{
var inner = new Polygon(ring);
bool outerRingFound = false;
foreach (var outerRing in outerRings)
{
if (GeometryEngine.Within(inner, new Polygon(outerRing.Item1)))
{
outerRing.Item2.Add(ring);
outerRingFound = true;
break;
}
}
if (!outerRingFound)
{
throw new System.IO.InvalidDataException("Ring orientations are wrong - please simplify geometry first");
}
}
return(outerRings);
}
/// <summary>Get the Lat, Long from the Bing StreetSide View to set the location on the Pro Map</summary>
public static Task SetMapLocationFromBing(double?longitude, double?latitude, int heading)
{
#region Process Heading
var activeMapView = MapView.Active;
if (activeMapView == null)
{
return(null);
}
#endregion
return(QueuedTask.Run(() => {
try
{
var cam = activeMapView.Camera;
var bHeadingChange = Convert.ToInt32(cam.Heading) != heading;
cam.Heading = Convert.ToDouble(heading);
if (longitude.HasValue && latitude.HasValue)
{
var pt = MapPointBuilder.CreateMapPoint(longitude.Value, latitude.Value, SpatialReferences.WGS84);
var center = GeometryEngine.Project(pt, activeMapView.Map.SpatialReference) as MapPoint;
if (center == null)
{
return;
}
ShowCurrentBingMapCoord(center);
#region Update Map
// check if the center is outside the map view extent
var env = activeMapView.Extent.Expand(0.75, 0.75, true);
var bWithin = GeometryEngine.Within(center, env);
if (!bWithin)
{
cam.X = center.X;
cam.Y = center.Y;
}
if (_bFirst)
{
cam.Scale = 2000;
activeMapView.ZoomTo(cam, TimeSpan.FromMilliseconds(100));
_bFirst = false;
}
else
{
activeMapView.PanTo(cam, TimeSpan.FromMilliseconds(1000));
}
bHeadingChange = false;
#endregion
}
if (bHeadingChange)
{
activeMapView.PanTo(cam, TimeSpan.FromMilliseconds(300));
}
}
catch (Exception ex)
{
Debug.WriteLine($@"Error in SetMapLocationFromBing: {ex.Message}");
}
}));
}
public static bool IsWithin(this MapPoint geometry, Envelope envelope)
{
return(GeometryEngine.Within(geometry, envelope));
}
private void Geometry_OnviewTap(Graphic _graphic)
{
//var ree1 = graphic_collection.SelectMany(graphic => graphic.Attributes, (gr_key, gr_value) => new { gr_key, gr_value });
var ere = _graphic.Geometry.GeometryType.ToString();
List <GraphicsOverlay> grc = new List <GraphicsOverlay>();
// GraphicCollection tempgrc=
// GraphicsOverlayCollection grc=new GraphicsOverlayCollection() ;
foreach (var item in MyMapView.GraphicsOverlays)
{
if (item.Id != "seven")
{
grc.Add(item);
}
}
//var ree1 = grc.SelectMany(graphic => graphic.Attributes, (gr_key, gr_value) => new { gr_key, gr_value });
if (ere == "Polyline")
{
foreach (var ter in grc)
{
foreach (var item in ter.Graphics)
{
var textsymline = item.Symbol.ToString();
if (textsymline != "Esri.ArcGISRuntime.Symbology.TextSymbol")
{
if ((GeometryEngine.Intersects(item.Geometry, _graphic.Geometry) || GeometryEngine.Within(item.Geometry, _graphic.Geometry) || GeometryEngine.Overlaps(item.Geometry, _graphic.Geometry)))
{
item.IsSelected = true;
}
}
else
{
var se = item.Geometry;
}
}
}
}
if (ere == "Polygon")
{
foreach (var ter in grc)
{
foreach (var item in ter.Graphics)
{
var textsympolygon = item.Symbol.ToString();
if (textsympolygon != "Esri.ArcGISRuntime.Symbology.TextSymbol")
{
if ((GeometryEngine.Intersects(item.Geometry, _graphic.Geometry) || GeometryEngine.Within(item.Geometry, _graphic.Geometry) || GeometryEngine.Overlaps(item.Geometry, _graphic.Geometry)))
{
item.IsSelected = true;
}
}
else
{
var ett = item.Geometry;
}
}
}
}
}