/// <summary>
/// Converts the geometry to WKB.
/// </summary>
/// <param name="geometry">The geometry</param>
/// <returns>WKB byte array</returns>
private static byte[] ConvertGeometryToWKB(IGeometry geometry)
{
IWkb wkb = geometry as IWkb;
ITopologicalOperator oper = geometry as ITopologicalOperator;
oper.Simplify();
IGeometryFactory3 factory = new GeometryEnvironment() as IGeometryFactory3;
byte[] b = factory.CreateWkbVariantFromGeometry(geometry) as byte[];
return(b);
}
public void Export(ILayer layer, OIDList oids, int srid, int commitinterval)
{
IGeometryFactory3 factory = new GeometryEnvironment() as IGeometryFactory3;
IFeatureLayer featureLayer = (IFeatureLayer)layer;
IDataset dataset = (IDataset)featureLayer.FeatureClass;
GeoDataTableAdapter.GeoAdapter adapter = new GeoDataTableAdapter.GeoAdapter(dataset.Workspace);
this.CommitInterval = commitinterval;
int i = 0;
string tableName = layer.Name.Replace(' ', '_');
while (i < oids.Count)
{
int elementcount;
if (i + this.CommitInterval > oids.Count)
{
elementcount = oids.Count - i;
}
else
{
elementcount = this.CommitInterval;
}
OIDList oidrange = oids.GetRange(i, elementcount);
object[] vals = oidrange.ToObjectArray();
DataTable table = adapter.GetAttributeTable(dataset.Name, featureLayer.FeatureClass.OIDFieldName, vals);
table.AddWKBColumn();
foreach (DataRow row in table.Rows)
{
int oid = Convert.ToInt32(row[featureLayer.FeatureClass.OIDFieldName]);
IFeature feature = featureLayer.FeatureClass.GetFeature(oid);
byte[] wkbgeometry = (byte[])factory.CreateWkbVariantFromGeometry(feature.ShapeCopy);
row["WKB"] = wkbgeometry;
}
Write(table, tableName, srid, featureLayer.FeatureClass);
i += this.CommitInterval;
}
}
/// <summary>
/// 将ArcGIS中的Geometry转换成wkb
/// </summary>
/// <param name="geometry">ArcGIS中的Geometry对象</param>
/// <returns></returns>
public static byte[] ConvertGeometryToWkb(IGeometry geometry)
{
var wkb = geometry as IWkb;
ITopologicalOperator oper = geometry as ITopologicalOperator;
if (oper != null)
{
oper.Simplify();
}
IGeometryFactory3 factory = new GeometryEnvironment() as IGeometryFactory3;
if (factory != null)
{
byte[] b = factory.CreateWkbVariantFromGeometry(geometry) as byte[];
return(b);
}
return(null);
}
public void Export(string spatialiteDatabasePath, int srid, ILayer layer)
{
try
{
this.DatabasePath = spatialiteDatabasePath;
if (srid > 0)
{
IGeometryFactory3 factory = new GeometryEnvironment() as IGeometryFactory3;
IFeatureLayer featureLayer = (IFeatureLayer)layer;
IDataset dataset = (IDataset)featureLayer.FeatureClass;
GeoDataTableAdapter.GeoAdapter adapter = new GeoDataTableAdapter.GeoAdapter(dataset.Workspace);
DataTable table = null;
ITable featureTable = (ITable)featureLayer.FeatureClass;
if (this.Extent != null)
{
ISpatialFilter filter = new SpatialFilterClass();
filter.Geometry = this.Extent;
filter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
filter.SubFields = featureLayer.FeatureClass.OIDFieldName;
IFeatureCursor cursor = featureLayer.FeatureClass.Search(filter, true);
IFeature feature = null;
object[] vals = new object[featureLayer.FeatureClass.FeatureCount(filter)];
int w = 0;
while ((feature = cursor.NextFeature()) != null)
{
vals[w++] = feature.OID;
}
table = adapter.GetAttributeTable(dataset.Name, featureLayer.FeatureClass.OIDFieldName, vals);
}
else
{
// no events for the adapter, so just 1 step for now.
// TODO: update GeoDataTableAdapter w/ events.
this.OnAttributeReadProgress(0, 1);
table = adapter.GetAttributeTable(featureTable, dataset.Name.Replace('.', '_'));
this.OnAttributeReadProgress(1, 1);
}
DataColumn wkbcolumn = new DataColumn("WKB", typeof(byte[]));
table.Columns.Add(wkbcolumn);
int totalRows = table.Rows.Count;
int i = 0;
this.OnGeometryReadProgress(i, totalRows);
foreach (DataRow row in table.Rows)
{
this.OnGeometryReadProgress(++i, totalRows);
int oid = Convert.ToInt32(row[featureLayer.FeatureClass.OIDFieldName]);
IFeature feature = featureLayer.FeatureClass.GetFeature(oid);
byte[] wkbgeometry = (byte[])factory.CreateWkbVariantFromGeometry(feature.ShapeCopy);
row["WKB"] = wkbgeometry;
}
WriteTable(this.SpatialiteDatabase, srid, table, featureLayer.FeatureClass);
}
else
{
}
// this.SpatialiteDatabase.Close();
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.StackTrace);
throw;
}
}