protected override InteractiveResult MouseUpCore(InteractionArguments interactionArguments)
{
if (IsShiftKeyDown == true)
{
PolygonShape newPolygonShape = (PolygonShape)EditShapesLayer.InternalFeatures[0].GetShape();
RingShape ringShape = new RingShape();
foreach (Feature feature in controlPoints)
{
PointShape controlPointShape = (PointShape)feature.GetShape();
if (feature.ColumnValues["nodetype"] == "special")
{
BaseShape baseShape = snappingFeature.GetShape();
PointShape pointShape = baseShape.GetClosestPointTo(controlPointShape, GeographyUnit.DecimalDegree);
ringShape.Vertices.Add(new Vertex(pointShape.X, pointShape.Y));
}
else
{
ringShape.Vertices.Add(new Vertex(controlPointShape.X, controlPointShape.Y));
}
}
newPolygonShape.OuterRing = ringShape;
Feature newFeature = new Feature(newPolygonShape, EditShapesLayer.InternalFeatures[0].ColumnValues);
EditShapesLayer.Open();
EditShapesLayer.EditTools.BeginTransaction();
EditShapesLayer.InternalFeatures.Clear();
EditShapesLayer.InternalFeatures.Add(newFeature);
EditShapesLayer.EditTools.CommitTransaction();
EditShapesLayer.Close();
}
return(base.MouseUpCore(interactionArguments));
}
private static IEnumerable <PointShape> CollectPoints(RingShape ring)
{
foreach (var vertex in ring.Vertices)
{
yield return(new PointShape(vertex));
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
Map1.MapBackground = new GeoSolidBrush(GeoColor.FromHtml("#E5E3DF"));
Map1.CurrentExtent = new RectangleShape(-10779959, 3909739, -10777699, 3908399);
Map1.MapUnit = GeographyUnit.Meter;
Map1.MapTools.OverlaySwitcher.Enabled = true;
Map1.MapTools.MouseCoordinate.Enabled = true;
//Adds the Google Map as an overlay
GoogleOverlay google = new GoogleOverlay("Google Map");
google.GoogleMapType = GoogleMapType.Normal;
Map1.CustomOverlays.Add(google);
//Creates polygon feature to be added to the EditOverlay
PolygonShape polygonShape = new PolygonShape();
RingShape ringShape = new RingShape();
ringShape.Vertices.Add(new Vertex(-10778968, 3909448));
ringShape.Vertices.Add(new Vertex(-10778686, 3909443));
ringShape.Vertices.Add(new Vertex(-10778691, 3909180));
ringShape.Vertices.Add(new Vertex(-10778982, 3909175));
ringShape.Vertices.Add(new Vertex(-10778968, 3909448));
polygonShape.OuterRing = ringShape;
Feature editFeature = new Feature(polygonShape);
Map1.EditOverlay.Features.Add(editFeature);
//Sets the properties so that the features can be only draggable.
//Notice that we don't set the style here. We set the style in javascript in TestForm.aspx under the script tag.
Map1.EditOverlay.TrackMode = TrackMode.Edit;
Map1.EditOverlay.EditSettings.IsDraggable = true;
Map1.EditOverlay.EditSettings.IsReshapable = false;
Map1.EditOverlay.EditSettings.IsResizable = false;
Map1.EditOverlay.EditSettings.IsRotatable = false;
}
}
private static void ProcessRingShape(int zoom, int tileSize, RectangleInt tileScreenBoundingBox, TileFeature tileFeature, RingShape ringShape, int simplificationFactor, RectangleShape tileBoundingBox)
{
PointInt[] tilePoints = new PointInt[ringShape.Vertices.Count];
for (int n = 0; n < ringShape.Vertices.Count; ++n)
{
tilePoints[n] = WorldPointToTilePoint(ringShape.Vertices[n].X, ringShape.Vertices[n].Y, zoom, tileSize, tileBoundingBox);
}
PointInt[] simplifiedTilePoints = SimplifyPointData(tilePoints, simplificationFactor);
//output count may be zero for short records at low zoom levels as
//the pixel coordinates wil be a single point after simplification
if (simplifiedTilePoints.Length > 3)
{
if (simplifiedTilePoints[0] != simplifiedTilePoints[simplifiedTilePoints.Length - 1])
{
Console.WriteLine("Not Closed");
}
List <PointInt> clippedRing = ClipRingShape(simplifiedTilePoints, tileScreenBoundingBox);
if (clippedRing.Count > 3)
{
tileFeature.Geometry.Add(clippedRing);
}
}
}
private static void CloseSplittedRing(Vertex vertex, RectangleShape closeArea, RingShape ring)
{
for (int i = 0; i < ring.Vertices.Count; i++)
{
var currentVertex = ring.Vertices[i];
if (closeArea.Contains(new PointShape(currentVertex)))
{
ring.Vertices[i] = new Vertex(vertex.X, vertex.Y);
}
}
}
