protected MG_FeatureSet GetFeatureSet(MG_FieldSet fieldSet, string table)
{
NpgsqlDataReader reader = this.SelectAll(table);
if (reader == null || !reader.HasRows)
{
return(null);
}
MG_FeatureSet featureSet = new MG_FeatureSet();
int fc = reader.FieldCount; // 4
while (reader.Read())
{// oid f1,f2,f3... geom
MG_Feature f = new MG_Feature(fieldSet);
MG_ValueSet valueSet = new MG_ValueSet();
string oid = reader["oid"].ToString();
string geom = reader["geomtext"].ToString();
for (int i = 1; i < fc - 1; i++)
{
string str = reader[i].ToString();
MG_Value value = new MG_Value(i - 1, str);
valueSet.Add(value);
}
f.ValueSet = valueSet;
f.Geometry = MG_ShapeFileOper.AsGeometry(geom);
featureSet.Add(f);
}
reader.Close();
reader.Dispose();
return(featureSet);
}
public void ExportToFile(string table, string filePath)
{
MG_Layer layer = this.ExportLayer(table);
MG_ShapeFileOper.CreateShapeFile(layer, filePath);
}
public void ImportToDB(string filePath)
{
MG_Layer layer = MG_ShapeFileOper.LoadShapeFile(filePath);
this.ImportLayer(layer);
}
