internal ShapeDatasetElement(SHPFile file, IDataset dataset, IIndexTree tree)
{
_file = file;
this.Title = _file.Title;
_class = new ShapeFeatureClass(_file, dataset, tree);
}
public ShapeFeatureClass(SHPFile file, IDataset dataset, IIndexTree tree)
{
if (file == null)
{
return;
}
_file = file;
_dataset = dataset;
_tree = tree;
_envelope = new Envelope(_file.Header.Xmin, _file.Header.Ymin, _file.Header.Xmax, _file.Header.Ymax);
ISpatialReference sRef = null;
if (file.PRJ_Exists)
{
StreamReader sr = new StreamReader(file.PRJ_Filename);
string esriWKT = sr.ReadToEnd();
sRef = gView.Framework.Geometry.SpatialReference.FromWKT(esriWKT);
sr.Close();
}
switch (_file.Header.ShapeType)
{
case ShapeType.Point:
case ShapeType.PointM:
case ShapeType.PointZ:
case ShapeType.MultiPoint:
case ShapeType.MultiPointM:
case ShapeType.MultiPointZ:
_geomDef = new GeometryDef(geometryType.Point, sRef);
break;
case ShapeType.PolyLine:
case ShapeType.PolyLineM:
case ShapeType.PolyLineZ:
_geomDef = new GeometryDef(geometryType.Polyline, sRef);
break;
case ShapeType.Polygon:
case ShapeType.PolygonM:
case ShapeType.PolygonZ:
_geomDef = new GeometryDef(geometryType.Polygon, sRef);
break;
case ShapeType.MultiPatch:
_geomDef = new GeometryDef(geometryType.Aggregate, sRef);
break;
default:
_geomDef = new GeometryDef(geometryType.Unknown, sRef);
break;
}
}
/// <summary>
/// 集合
/// </summary>
/// <param name="database">集合所属数据库</param>
/// <param name="settings">集合配置</param>
protected MagpieCollection(MagpieDatabase database, MagpieCollectionSettings settings)
{
if (database == null)
{
throw new ArgumentNullException("database");
}
if (settings == null)
{
throw new ArgumentNullException("settings");
}
if (!database.IsCollectionNameValid(settings.CollectionName))
{
throw new ArgumentException("Invalid collection name.");
}
_database = database;
_settings = settings;
_name = settings.CollectionName;
_tree = GetIndexTree();
_tree.Commit();
}
public ShapeFeatureCursor(IFeatureClass fc, SHPFile file, IQueryFilter filter, IIndexTree tree)
: base((fc != null) ? fc.SpatialReference : null,
(filter != null) ? filter.FeatureSpatialReference : null)
{
base.KnowsFunctions = false;
if (file == null)
{
return;
}
_file = new SHPFile(file);
_filter = filter;
if (filter is ISpatialFilter)
{
IEnvelope env = ((ISpatialFilter)filter).Geometry.Envelope;
if (tree != null)
{
_IDs = tree.FindShapeIds(env);
_IDs.Sort();
}
//_IDs = tree.FindShapeIds(env);
_bounds = new Envelope(env);
_spatialFilter = filter as ISpatialFilter;
_queryGeometry = ((ISpatialFilter)filter).Geometry;
_queryShape = true;
}
else
{
foreach (string fname in filter.SubFields.Split(' '))
{
if (fname == "SHAPE" || fname == "*")
{
_queryShape = true;
break;
}
}
}
if (filter.WhereClause != "" && _filter.SubFields != "*" && !(filter is IRowIDFilter))
{
//StringBuilder sb = new StringBuilder();
//sb.Append("FID");
QueryFilter f = new QueryFilter();
f.SubFields = _filter.SubFields;
foreach (IField field in _file.Fields.ToEnumerable())
{
if (field.name == "FID")
{
continue;
}
if (filter.WhereClause.IndexOf(" " + field.name + " ") != -1 ||
filter.WhereClause.IndexOf("(" + field.name + " ") != -1 ||
filter.WhereClause.IndexOf(" " + field.name + "=") != -1 ||
filter.WhereClause.IndexOf("(" + field.name + "=") != -1 ||
filter.WhereClause.IndexOf(" " + field.name + "<") != -1 ||
filter.WhereClause.IndexOf("(" + field.name + "<") != -1 ||
filter.WhereClause.IndexOf(" " + field.name + ">") != -1 ||
filter.WhereClause.IndexOf("(" + field.name + ">") != -1 ||
filter.WhereClause.IndexOf("[" + field.name + "]") != -1 ||
filter.WhereClause.IndexOf(field.name + " ") == 0 ||
filter.WhereClause.IndexOf(field.name + "=") == 0 ||
filter.WhereClause.IndexOf(field.name + "<") == 0 ||
filter.WhereClause.IndexOf(field.name + ">") == 0
)
{
f.AddField(field.name);
}
}
/*
* _dataReader = _file.DBFDataReader(sb.ToString());
* for (uint i = 1; i <= _file.Entities; i++)
* _dataReader.AddRecord(i);
*
* DataRow [] rows=_dataReader.Table.Select(_filter.WhereClause);
*
* _IDs = new ArrayList();
* foreach (DataRow row in rows)
* {
* uint id=_file.GetIndexFromRecNumber((uint)row["FID"]);
* _IDs.Add((int)id);
* }
* _dataReader.Dispose();
*/
_dataReader = _file.DBFDataReader(f.SubFields.Replace(" ", ",").Replace("DISTINCT(", "").Replace(")", ""));
}
else
{
_dataReader = _file.DBFDataReader(filter.SubFields.Replace(" ", ",").Replace("DISTINCT(", "").Replace(")", ""));
}
if (_filter is IDistinctFilter)
{
_unique = new List <object>();
_uniqueField = _filter.SubFields.Replace("DISTINCT(", "").Replace(")", "");
}
if (_filter is FunctionFilter)
{
}
/*
* if (!(filter is ISpatialFilter))
* {
* DataTable tab = _dataReader.AllRecords;
* tab = null;
* }*/
}
