/// <summary>
/// Builds from the given provider.
/// </summary>
/// <param name="provider">
/// The base <see cref="SharpMap.Data.Providers.IProvider"/>
/// from witch initialize the <see cref="NtsProvider"/> instance.
/// </param>
private void BuildFromProvider(SharpMap.Data.Providers.IProvider provider)
{
// Features list initialization
features = new List <GisSharpBlog.NetTopologySuite.Features.Feature>(provider.GetFeatureCount());
try
{
// Load all features from the given provider
provider.Open();
Collection <uint> ids = provider.GetObjectIDsInView(provider.GetExtents());
foreach (uint id in ids)
{
SharpMap.Data.FeatureDataRow dataRow = provider.GetFeature(id);
GisSharpBlog.NetTopologySuite.Geometries.Geometry geometry = GeometryConverter.ToNTSGeometry(dataRow.Geometry, geometryFactory);
GisSharpBlog.NetTopologySuite.Features.AttributesTable attributes = new GisSharpBlog.NetTopologySuite.Features.AttributesTable();
foreach (DataColumn column in dataRow.Table.Columns)
{
if (dataRow[column] == null || dataRow[column].GetType() == typeof(System.DBNull))
{
throw new ApplicationException("Null values not supported");
}
attributes.AddAttribute(column.ColumnName, dataRow[column]);
}
features.Add(new GisSharpBlog.NetTopologySuite.Features.Feature(geometry, attributes));
}
}
finally
{
if (provider.IsOpen)
{
provider.Close();
}
}
}
/// <summary>
/// Converts any <see cref="SharpMap.Geometries.Geometry"/> array to the correspondant
/// <see cref=GisSharpBlog.NetTopologySuite.Geometries.Geometry"/> array.
/// </summary>
/// <param name="geometries"></param>
/// <param name="factory"></param>
/// <returns></returns>
public static GisSharpBlog.NetTopologySuite.Geometries.Geometry[] ToNTSGeometry(SharpMap.Geometries.Geometry[] geometries,
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory factory)
{
GisSharpBlog.NetTopologySuite.Geometries.Geometry[] converted = new GisSharpBlog.NetTopologySuite.Geometries.Geometry[geometries.Length];
int index = 0;
foreach (SharpMap.Geometries.Geometry geometry in geometries)
converted[index++] = GeometryConverter.ToNTSGeometry(geometry, factory);
if((geometries.Length != converted.Length))
throw new ApplicationException("Conversion error");
return converted;
}
internal static GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection ToNTSGeometryCollection(SharpMap.Geometries.GeometryCollection geometryCollection,
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory factory)
{
GisSharpBlog.NetTopologySuite.Geometries.Geometry[] geometries = new GisSharpBlog.NetTopologySuite.Geometries.Geometry[geometryCollection.Collection.Count];
int index = 0;
foreach (SharpMap.Geometries.Geometry geometry in geometryCollection.Collection)
{
geometries[index++] = ToNTSGeometry(geometry, factory);
}
return(factory.CreateGeometryCollection(geometries) as GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection);
}
/// <summary>
///
/// </summary>
/// <param name="geom"></param>
/// <param name="ds"></param>
public void ExecuteIntersectionQuery(SharpMap.Geometries.Geometry geom, FeatureDataSet ds)
{
GisSharpBlog.NetTopologySuite.Geometries.Geometry geometry = GeometryConverter.ToNTSGeometry(geom, geometryFactory);
SharpMap.Data.FeatureDataTable dataTable = CreateFeatureDataTable();
foreach (GisSharpBlog.NetTopologySuite.Features.Feature feature in features)
{
if (feature.Geometry.Intersects(geometry))
{
CreateNewRow(dataTable, feature);
}
}
ds.Tables.Add(dataTable);
}
/// <summary>
/// Converts any <see cref="SharpMap.Geometries.Geometry"/> array to the correspondant
/// <see cref=GisSharpBlog.NetTopologySuite.Geometries.Geometry"/> array.
/// </summary>
/// <param name="geometries"></param>
/// <param name="factory"></param>
/// <returns></returns>
public static GisSharpBlog.NetTopologySuite.Geometries.Geometry[] ToNTSGeometry(SharpMap.Geometries.Geometry[] geometries,
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory factory)
{
GisSharpBlog.NetTopologySuite.Geometries.Geometry[] converted = new GisSharpBlog.NetTopologySuite.Geometries.Geometry[geometries.Length];
int index = 0;
foreach (SharpMap.Geometries.Geometry geometry in geometries)
{
converted[index++] = GeometryConverter.ToNTSGeometry(geometry, factory);
}
if ((geometries.Length != converted.Length))
{
throw new ApplicationException("Conversion error");
}
return(converted);
}
/// <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 SharpMap.Geometries.Geometry ToSharpMapGeometry(GisSharpBlog.NetTopologySuite.Geometries.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(GisSharpBlog.NetTopologySuite.Geometries.LineString))
{
return(ToSharpMapLineString(geometry as GisSharpBlog.NetTopologySuite.Geometries.LineString));
}
else if (geometry.GetType() == typeof(GisSharpBlog.NetTopologySuite.Geometries.Polygon))
{
return(ToSharpMapPolygon(geometry as GisSharpBlog.NetTopologySuite.Geometries.Polygon));
}
else if (geometry.GetType() == typeof(GisSharpBlog.NetTopologySuite.Geometries.MultiPoint))
{
return(ToSharpMapMultiPoint(geometry as GisSharpBlog.NetTopologySuite.Geometries.MultiPoint));
}
else if (geometry.GetType() == typeof(GisSharpBlog.NetTopologySuite.Geometries.MultiLineString))
{
return(ToSharpMapMultiLineString(geometry as GisSharpBlog.NetTopologySuite.Geometries.MultiLineString));
}
else if (geometry.GetType() == typeof(GisSharpBlog.NetTopologySuite.Geometries.MultiPolygon))
{
return(ToSharpMapMultiPolygon(geometry as GisSharpBlog.NetTopologySuite.Geometries.MultiPolygon));
}
else if (geometry.GetType() == typeof(GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection))
{
return(ToSharpMapGeometryCollection(geometry as GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection));
}
else
{
throw new NotSupportedException("Type " + geometry.GetType().FullName + " not supported");
}
}
internal static GisSharpBlog.NetTopologySuite.Geometries.GeometryCollection ToNTSGeometryCollection(SharpMap.Geometries.GeometryCollection geometryCollection,
GisSharpBlog.NetTopologySuite.Geometries.GeometryFactory factory)
{
GisSharpBlog.NetTopologySuite.Geometries.Geometry[] geometries = new GisSharpBlog.NetTopologySuite.Geometries.Geometry[geometryCollection.Collection.Count];
int index = 0;
foreach (SharpMap.Geometries.Geometry geometry in geometryCollection.Collection)
geometries[index++] = ToNTSGeometry(geometry, factory);
return factory.CreateGeometryCollection(geometries);
}