/// <summary>
/// Returns a <see cref="SharpMap.Data.FeatureDataRow"/> based on a RowID
/// </summary>
/// <param name="rowId"></param>
/// <returns>datarow</returns>
public FeatureDataRow GetFeature(uint rowId)
{
var fdt = CreateTable(_esriTable);
fdt.BeginLoadData();
var where = string.Format(CultureInfo.InvariantCulture, "{0}={1}", fdt.PrimaryKey[0].ColumnName, rowId);
var fi = _esriTable.FieldInformation;
foreach (var row in _esriTable.Search("*", where, Esri.FileGDB.RowInstance.Recycle))
{
var tmp = new List <object>(_esriTable.FieldInformation.Count - 1);
for (var i = 0; i < fi.Count; i++)
{
if (fi.GetFieldType(i) == Esri.FileGDB.FieldType.Geometry)
{
continue;
}
tmp.Add(row[fi.GetFieldName(i)]);
}
var fdr = (FeatureDataRow)fdt.LoadDataRow(tmp.ToArray(), true);
fdr.Geometry = FileGdbGeometryConverter.ToSharpMapGeometry(row.GetGeometry());
}
fdt.EndLoadData();
return((FeatureDataRow)fdt.Rows[0]);
}
/// <summary>
/// Returns the data associated with all the geometries that are intersected by 'geom'
/// </summary>
/// <param name="box">Geometry to intersect with</param>
/// <param name="ds">FeatureDataSet to fill data into</param>
public void ExecuteIntersectionQuery(BoundingBox box, FeatureDataSet ds)
{
var fdt = CreateTable(_esriTable);
fdt.BeginLoadData();
var fi = _esriTable.FieldInformation;
foreach (var row in _esriTable.Search("*", string.Empty, FileGdbGeometryConverter.ToEsriExtent(box), Esri.FileGDB.RowInstance.Recycle))
{
var tmp = new List <object>(_esriTable.FieldInformation.Count - 1);
for (var i = 0; i < fi.Count; i++)
{
if (fi.GetFieldType(i) == Esri.FileGDB.FieldType.Geometry)
{
continue;
}
tmp.Add(row[fi.GetFieldName(i)]);
}
var fdr = (FeatureDataRow)fdt.LoadDataRow(tmp.ToArray(), true);
using (var buffer = row.GetGeometry())
fdr.Geometry = FileGdbGeometryConverter.ToSharpMapGeometry(buffer);
}
fdt.EndLoadData();
ds.Tables.Add(fdt);
}
/// <summary>
/// Returns all objects whose <see cref="SharpMap.Geometries.BoundingBox"/> intersects 'bbox'.
/// </summary>
/// <remarks>
/// This method is usually much faster than the QueryFeatures method, because intersection tests
/// are performed on objects simplifed by their <see cref="SharpMap.Geometries.BoundingBox"/>, and using the Spatial Index
/// </remarks>
/// <param name="bbox">Box that objects should intersect</param>
/// <returns></returns>
public Collection <uint> GetObjectIDsInView(BoundingBox bbox)
{
var res = new Collection <uint>();
foreach (var row in _esriTable.Search(string.Empty, string.Empty, FileGdbGeometryConverter.ToEsriExtent(bbox), Esri.FileGDB.RowInstance.Recycle))
{
res.Add((uint)row.GetOID());
}
return(res);
}
/// <summary>
/// Returns the geometry corresponding to the Object ID
/// </summary>
/// <param name="oid">Object ID</param>
/// <returns>geometry</returns>
public Geometry GetGeometryByID(uint oid)
{
var fdt = CreateTable(_esriTable);
var where = string.Format(CultureInfo.InvariantCulture, "{0}={1}", fdt.PrimaryKey[0].ColumnName, oid);
foreach (var row in _esriTable.Search("*", where, Esri.FileGDB.RowInstance.Recycle))
{
return(FileGdbGeometryConverter.ToSharpMapGeometry(row.GetGeometry()));
}
return(null);
}
/// <summary>
/// Gets the features within the specified <see cref="SharpMap.Geometries.BoundingBox"/>
/// </summary>
/// <param name="bbox"></param>
/// <returns>Features within the specified <see cref="SharpMap.Geometries.BoundingBox"/></returns>
public Collection <Geometry> GetGeometriesInView(BoundingBox bbox)
{
var res = new Collection <Geometry>();
foreach (var row in _esriTable.Search("*", string.Empty, FileGdbGeometryConverter.ToEsriExtent(bbox), Esri.FileGDB.RowInstance.Recycle))
{
using (var buffer = row.GetGeometry())
{
var geom = FileGdbGeometryConverter.ToSharpMapGeometry(buffer);
if (geom != null)
{
res.Add(geom);
}
}
}
return(res);
}
