internal static Geometries.Polygon ToSharpMapPolygon(NTSPolygon geom)
{
Geometries.LinearRing exteriorRing = ToSharpMapLinearRing((NTSLinearRing)geom.ExteriorRing);
Collection <Geometries.LinearRing> interiorRings = new Collection <Geometries.LinearRing>();
foreach (NTSLineString interiorRing in geom.InteriorRings)
{
interiorRings.Add(ToSharpMapLinearRing((NTSLinearRing)interiorRing));
}
return(new Geometries.Polygon(exteriorRing, interiorRings));
}
/// <summary>
/// Converts the <see cref="SharpMap.Geometries.BoundingBox"/> instance <paramref name="boundingBox"/>
/// into a correspondant <see cref="SharpMap.Geometries.Polygon"/>.
/// </summary>
public static Geometries.Geometry ToSharpMapGeometry(BoundingBox boundingBox)
{
Collection <Geometries.Point> vertices = new Collection <Geometries.Point>();
vertices.Add(new Geometries.Point(boundingBox.Min.X, boundingBox.Min.Y));
vertices.Add(new Geometries.Point(boundingBox.Max.X, boundingBox.Min.Y));
vertices.Add(new Geometries.Point(boundingBox.Max.X, boundingBox.Max.Y));
vertices.Add(new Geometries.Point(boundingBox.Min.X, boundingBox.Max.Y));
vertices.Add(new Geometries.Point(boundingBox.Min.X, boundingBox.Min.Y));
Geometries.LinearRing exterior = new Geometries.LinearRing(vertices);
return(new Geometries.Polygon(exterior));
}
internal static NTSLinearRing ToNTSLinearRing(Geometries.LinearRing geom,
IGeometryFactory factory)
{
NTSCoordinate[] coordinates = new NTSCoordinate[geom.NumPoints];
int index = 0;
foreach (Geometries.Point point in geom.Vertices)
{
coordinates[index++] = ToNTSCoordinate(point, factory);
}
return(factory.CreateLinearRing(coordinates) as NTSLinearRing);
}
protected override void OnMouseDoubleClick(MouseEventArgs e)
{
base.OnMouseDoubleClick(e);
if (_activeTool == Tools.DrawPolygon)
{
if (GeometryDefined != null)
{
Geometries.LinearRing extRing = new Geometries.LinearRing();
for (int i = 0; i < _pointArray.GetUpperBound(0); i++)
extRing.Vertices.Add(Map.ImageToWorld(new PointF(_pointArray[i].X, _pointArray[i].Y)));
extRing.Vertices.Add(Map.ImageToWorld(new PointF(_pointArray[0].X, _pointArray[0].Y)));
GeometryDefined(new Geometries.Polygon(extRing));
}
ActiveTool = Tools.None;
}
else if (_activeTool == Tools.DrawLine)
{
if (GeometryDefined != null)
{
Geometries.LineString line = new Geometries.LineString();
for (int i = 0; i <= _pointArray.GetUpperBound(0); i++)
line.Vertices.Add(Map.ImageToWorld(new PointF(_pointArray[i].X, _pointArray[i].Y)));
GeometryDefined(line);
}
ActiveTool = Tools.None;
}
}
/// <summary>
/// Converts the <see cref="SharpMap.Geometries.BoundingBox"/> instance <paramref name="boundingBox"/>
/// into a correspondant <see cref="SharpMap.Geometries.Polygon"/>.
/// </summary>
public static Geometries.Geometry ToSharpMapGeometry(BoundingBox boundingBox)
{
Collection<Geometries.Point> vertices = new Collection<Geometries.Point>();
vertices.Add(new Geometries.Point(boundingBox.Min.X, boundingBox.Min.Y));
vertices.Add(new Geometries.Point(boundingBox.Max.X, boundingBox.Min.Y));
vertices.Add(new Geometries.Point(boundingBox.Max.X, boundingBox.Max.Y));
vertices.Add(new Geometries.Point(boundingBox.Min.X, boundingBox.Max.Y));
vertices.Add(new Geometries.Point(boundingBox.Min.X, boundingBox.Min.Y));
Geometries.LinearRing exterior = new Geometries.LinearRing(vertices);
return new Geometries.Polygon(exterior);
}
