/// <summary>
/// Converts any <see cref="SharpMap.Geometries.Geometry"/> to the correspondant
/// <see cref=GisSharpBlog.NetTopologySuite.Geometries.Geometry"/>.
/// </summary>
/// <param name="geometry"></param>
/// <returns></returns>
public static Geometries.Geometry ToSharpMapGeometry(Geometry geometry)
{
if (geometry == null)
{
throw new NullReferenceException("geometry");
}
if (geometry.GetType() == typeof(GisSharpBlog.NetTopologySuite.Geometries.Point))
{
return(ToSharpMapPoint(geometry as GisSharpBlog.NetTopologySuite.Geometries.Point));
}
else if (geometry.GetType() == typeof(LineString))
{
return(ToSharpMapLineString(geometry as LineString));
}
else if (geometry.GetType() == typeof(Polygon))
{
return(ToSharpMapPolygon(geometry as Polygon));
}
else if (geometry.GetType() == typeof(MultiPoint))
{
return(ToSharpMapMultiPoint(geometry as MultiPoint));
}
else if (geometry.GetType() == typeof(MultiLineString))
{
return(ToSharpMapMultiLineString(geometry as MultiLineString));
}
else if (geometry.GetType() == typeof(MultiPolygon))
{
return(ToSharpMapMultiPolygon(geometry as MultiPolygon));
}
else if (geometry.GetType() == typeof(GeometryCollection))
{
return(ToSharpMapGeometryCollection(geometry as GeometryCollection));
}
else
{
throw new NotSupportedException("Type " + geometry.GetType().FullName + " not supported");
}
}
private bool CompareGeometries(Geometry a, Geometry b)
{
if (a != null && b != null && a.GetType().Name == b.GetType().Name)
{
Geometry aClone = (Geometry)a.Clone();
Geometry bClone = (Geometry)b.Clone();
aClone.Normalize();
bClone.Normalize();
return aClone.EqualsExact(bClone, m_dTolerance);
}
return false;
}
/// <summary>
///
/// </summary>
/// <param name="geometry"></param>
/// <returns></returns>
protected ShapeGeometryType GetShapeType(Geometry geometry)
{
if (geometry is Point)
return ShapeGeometryType.Point;
else if (geometry is LinearRing)
return ShapeGeometryType.LineString;
else if (geometry is LineString)
return ShapeGeometryType.LineString;
else if (geometry is Polygon)
return ShapeGeometryType.Polygon;
else if (geometry is MultiPoint)
return ShapeGeometryType.MultiPoint;
else if (geometry is MultiLineString)
return ShapeGeometryType.LineString;
else if (geometry is MultiPolygon)
return ShapeGeometryType.Polygon;
else throw new NotSupportedException("Unsupported Geometry implementation:" + geometry.GetType());
}
/// <summary>
///
/// </summary>
/// <param name="geometry"></param>
/// <param name="leWriter"></param>
/// <param name="beWriter"></param>
protected void Write(Geometry geometry, BinaryWriter leWriter, BigEndianBinaryWriter beWriter)
{
WriteFeatureHeader(geometry, beWriter);
if (geometry is Point)
shapeWriter.Write(geometry as Point, leWriter);
else if (geometry is LineString)
shapeWriter.Write(geometry as LineString, leWriter);
else if (geometry is Polygon)
shapeWriter.Write(geometry as Polygon, leWriter);
else if (geometry is MultiPoint)
shapeWriter.Write(geometry as MultiPoint, leWriter);
else if (geometry is MultiLineString)
shapeWriter.Write(geometry as MultiLineString, leWriter);
else if (geometry is MultiPolygon)
shapeWriter.Write(geometry as MultiPolygon, leWriter);
else throw new NotSupportedException("Unsupported Geometry implementation:" + geometry.GetType());
}
/// <summary>
/// Converts any <see cref="SharpMap.Geometries.Geometry"/> to the correspondant
/// <see cref=GisSharpBlog.NetTopologySuite.Geometries.Geometry"/>.
/// </summary>
/// <param name="geometry"></param>
/// <returns></returns>
public static Geometries.Geometry ToSharpMapGeometry(Geometry geometry)
{
if (geometry == null)
throw new NullReferenceException("geometry");
if (geometry.GetType() == typeof (GisSharpBlog.NetTopologySuite.Geometries.Point))
return ToSharpMapPoint(geometry as GisSharpBlog.NetTopologySuite.Geometries.Point);
else if (geometry.GetType() == typeof (LineString))
return ToSharpMapLineString(geometry as LineString);
else if (geometry.GetType() == typeof (Polygon))
return ToSharpMapPolygon(geometry as Polygon);
else if (geometry.GetType() == typeof (MultiPoint))
return ToSharpMapMultiPoint(geometry as MultiPoint);
else if (geometry.GetType() == typeof (MultiLineString))
return ToSharpMapMultiLineString(geometry as MultiLineString);
else if (geometry.GetType() == typeof (MultiPolygon))
return ToSharpMapMultiPolygon(geometry as MultiPolygon);
else if (geometry.GetType() == typeof (GeometryCollection))
return ToSharpMapGeometryCollection(geometry as GeometryCollection);
else throw new NotSupportedException("Type " + geometry.GetType().FullName + " not supported");
}
