public static Geometry Union(Geometry g, params Geometry[] geometries)
{
SqlGeometry sg = SqlGeometryConverter.ToSqlGeometry(g);
foreach (SqlGeometry sgUnion in SqlGeometryConverter.ToSqlGeometries(geometries))
{
sg = sg.STUnion(sgUnion);
}
return(SqlGeometryConverter.ToSharpMapGeometry(sg));
}
/// <summary>
/// Computes the union of <paramref name="g"/> and <paramref name="geometries"/> using SqlServer spatial object algorithms
/// </summary>
/// <param name="g">A geometry/geography</param>
/// <param name="geometries">A (series of) geometry/geography objects</param>
/// <param name="spatialMode">Flag indicating if <paramref name="g"/> and <paramref name="geometries"/> are geometry or geography objects</param>
/// <returns>The union</returns>
public static Geometry Union(Geometry g, SqlServerSpatialObjectType spatialMode, params Geometry[] geometries)
{
if (spatialMode == SqlServerSpatialObjectType.Geometry)
{
SqlGeometry sg = SqlGeometryConverter.ToSqlGeometry(g);
foreach (SqlGeometry sgUnion in SqlGeometryConverter.ToSqlGeometries(geometries))
{
sg = sg.STUnion(sgUnion);
}
return(SqlGeometryConverter.ToSharpMapGeometry(sg));
}
else
{
SqlGeography sg = SqlGeographyConverter.ToSqlGeography(g);
foreach (SqlGeography sgUnion in SqlGeographyConverter.ToSqlGeographies(geometries))
{
sg = sg.STUnion(sgUnion);
}
return(SqlGeographyConverter.ToSharpMapGeometry(sg));
}
}
