public static GeometryType Convert(SmGeometries.GeometryType2 type)
{
switch (type)
{
case SmGeometries.GeometryType2.GeometryCollection:
return GeometryType.GeometryCollection;
case SmGeometries.GeometryType2.LineString:
return GeometryType.LineString;
case SmGeometries.GeometryType2.MultiLineString:
return GeometryType.MultiLineString;
case SmGeometries.GeometryType2.MultiPoint:
return GeometryType.MultiPoint;
case SmGeometries.GeometryType2.MultiPolygon:
return GeometryType.MultiPolygon;
case SmGeometries.GeometryType2.MultiSurface:
return GeometryType.Point;
case SmGeometries.GeometryType2.Polygon:
return GeometryType.Polygon;
}
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
type
)
);
}
/// <summary>Creates a new instance of the <see cref="SharpGeometry" /> class.</summary>
/// <param name="geometry">The <see cref="SmGeometries.Geometry" /> to encapsulate.
/// Its spatial reference must be initialized. </param>
/// <exception cref="ArgumentNullException">
/// <para>The <paramref name="geometry" /> is <c>null</c>.</para>
/// </exception>
/// <exception cref="ArgumentException">
/// <para>The spatial reference of the specified <paramref name="geometry" /> was
/// not initialized.</para>
/// </exception>
public SharpGeometry(SmGeometries.Geometry geometry)
{
Debug.Assert(geometry!=null);
if (geometry==null)
throw new ArgumentNullException("geometry");
Debug.Assert(geometry.SpatialReference!=null);
if (geometry.SpatialReference==null)
throw new ArgumentException(SR.SharpMapSpatialReferenceMustBeInitializedException, "geometry");
_Geometry=geometry;
}
/// <summary>
/// Creates an R-Tree query rectangle from a SharpMap bounding box
/// </summary>
/// <param name="bbox">The SharpMap bounding box</param>
/// <returns></returns>
public static Rectangle RectFromBoundingBox(Sm.BoundingBox bbox)
{
return new Rectangle((float)bbox.Left, (float)bbox.Bottom, (float)bbox.Right, (float)bbox.Top, (float)0.0, (float)0.0);
}
/// <summary>
/// Creates an FDO envelope from a SharpMap bounding box
/// </summary>
/// <param name="bbox">The SharpMap bounding box.</param>
/// <returns></returns>
public static Fdo.IEnvelope EnvelopeFromBoundingBox(Sm.BoundingBox bbox)
{
return FdoGeometryFactory.Instance.CreateEnvelopeXY(bbox.Left, bbox.Bottom, bbox.Right, bbox.Top);
}
/// <summary>
/// Converts an SharpMap Geometry to a FDO geometry
/// </summary>
/// <param name="geom">The SharpMap geometry</param>
/// <returns></returns>
public static FdoGeometry ToFdoGeometry(Sm.Geometry geom)
{
//Get the WKB form of the geometry
byte[] wkb = GeometryToWKB.Write(geom);
Fdo.IGeometry fg = FdoGeometryFactory.Instance.CreateGeometryFromWkb(wkb);
return new FdoGeometry(fg);
}
/// <summary>Converts the specified <paramref name="geometry" /> into a <see cref="SharpGeometry" />.</summary>
/// <param name="geometry">The geometry to convert.</param>
/// <returns>The converted geometry.</returns>
public static SharpGeometry ToSharpGeometry(SmGeometries.Geometry geometry)
{
return new SharpGeometry(geometry);
}
private static void _PopulateSimpleType(IGeometrySink sink, SmGeometries.Geometry geometry)
{
sink.BeginGeometry(GeometryTypeUtils.Convert(geometry.GeometryType));
switch (geometry.GeometryType)
{
case SmGeometries.GeometryType2.LineString:
CreateFigure(sink, ((SmGeometries.LineString)geometry).Vertices);
break;
case SmGeometries.GeometryType2.Point:
CreateFigure(sink, new SmGeometries.Point[] { (SmGeometries.Point)geometry });
break;
case SmGeometries.GeometryType2.Polygon:
{
var pol=(SmGeometries.Polygon)geometry;
CreateFigure(sink, pol.ExteriorRing.Vertices);
if (pol.InteriorRings!=null)
foreach (SmGeometries.LinearRing lr in pol.InteriorRings)
CreateFigure(sink, lr.Vertices);
}
break;
default:
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
geometry.GeometryType
)
);
}
sink.EndGeometry();
}
